diff --git a/src/rp2040/hardware_regs/include/hardware/platform_defs.h b/src/rp2040/hardware_regs/include/hardware/platform_defs.h index 01f9362..055ab1d 100644 --- a/src/rp2040/hardware_regs/include/hardware/platform_defs.h +++ b/src/rp2040/hardware_regs/include/hardware/platform_defs.h @@ -28,10 +28,11 @@ #define NUM_UARTS _u(2) #define NUM_I2CS _u(2) #define NUM_SPIS _u(2) - +#define NUM_TIMERS _u(4) #define NUM_ADC_CHANNELS _u(5) #define NUM_BANK0_GPIOS _u(30) +#define NUM_QSPI_GPIOS _u(6) #define PIO_INSTRUCTION_COUNT _u(32) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/adc.h b/src/rp2040/hardware_structs/include/hardware/structs/adc.h index 559b5f1..ad349c9 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/adc.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/adc.h @@ -1,27 +1,90 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ + #ifndef _HARDWARE_STRUCTS_ADC_H #define _HARDWARE_STRUCTS_ADC_H #include "hardware/address_mapped.h" #include "hardware/regs/adc.h" -typedef struct { - io_rw_32 cs; - io_rw_32 result; - io_rw_32 fcs; - io_rw_32 fifo; - io_rw_32 div; - io_rw_32 intr; - io_rw_32 inte; - io_rw_32 intf; - io_rw_32 ints; -} adc_hw_t; +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_adc +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/adc.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION -check_hw_layout(adc_hw_t, ints, ADC_INTS_OFFSET); +typedef struct { + _REG_(ADC_CS_OFFSET) // ADC_CS + // ADC Control and Status + // 0x001f0000 [20:16] : RROBIN (0): Round-robin sampling + // 0x00007000 [14:12] : AINSEL (0): Select analog mux input + // 0x00000400 [10] : ERR_STICKY (0): Some past ADC conversion encountered an error + // 0x00000200 [9] : ERR (0): The most recent ADC conversion encountered an error; result is undefined or noisy + // 0x00000100 [8] : READY (0): 1 if the ADC is ready to start a new conversion + // 0x00000008 [3] : START_MANY (0): Continuously perform conversions whilst this bit is 1 + // 0x00000004 [2] : START_ONCE (0): Start a single conversion + // 0x00000002 [1] : TS_EN (0): Power on temperature sensor + // 0x00000001 [0] : EN (0): Power on ADC and enable its clock + io_rw_32 cs; + + _REG_(ADC_RESULT_OFFSET) // ADC_RESULT + // Result of most recent ADC conversion + // 0x00000fff [11:0] : RESULT (0) + io_ro_32 result; + + _REG_(ADC_FCS_OFFSET) // ADC_FCS + // FIFO control and status + // 0x0f000000 [27:24] : THRESH (0): DREQ/IRQ asserted when level >= threshold + // 0x000f0000 [19:16] : LEVEL (0): The number of conversion results currently waiting in the FIFO + // 0x00000800 [11] : OVER (0): 1 if the FIFO has been overflowed + // 0x00000400 [10] : UNDER (0): 1 if the FIFO has been underflowed + // 0x00000200 [9] : FULL (0) + // 0x00000100 [8] : EMPTY (0) + // 0x00000008 [3] : DREQ_EN (0): If 1: assert DMA requests when FIFO contains data + // 0x00000004 [2] : ERR (0): If 1: conversion error bit appears in the FIFO alongside the result + // 0x00000002 [1] : SHIFT (0): If 1: FIFO results are right-shifted to be one byte in size + // 0x00000001 [0] : EN (0): If 1: write result to the FIFO after each conversion + io_rw_32 fcs; + + _REG_(ADC_FIFO_OFFSET) // ADC_FIFO + // Conversion result FIFO + // 0x00008000 [15] : ERR (0): 1 if this particular sample experienced a conversion error + // 0x00000fff [11:0] : VAL (0) + io_ro_32 fifo; + + _REG_(ADC_DIV_OFFSET) // ADC_DIV + // Clock divider + // 0x00ffff00 [23:8] : INT (0): Integer part of clock divisor + // 0x000000ff [7:0] : FRAC (0): Fractional part of clock divisor + io_rw_32 div; + + _REG_(ADC_INTR_OFFSET) // ADC_INTR + // Raw Interrupts + // 0x00000001 [0] : FIFO (0): Triggered when the sample FIFO reaches a certain level + io_ro_32 intr; + + _REG_(ADC_INTE_OFFSET) // ADC_INTE + // Interrupt Enable + // 0x00000001 [0] : FIFO (0): Triggered when the sample FIFO reaches a certain level + io_rw_32 inte; + + _REG_(ADC_INTF_OFFSET) // ADC_INTF + // Interrupt Force + // 0x00000001 [0] : FIFO (0): Triggered when the sample FIFO reaches a certain level + io_rw_32 intf; + + _REG_(ADC_INTS_OFFSET) // ADC_INTS + // Interrupt status after masking & forcing + // 0x00000001 [0] : FIFO (0): Triggered when the sample FIFO reaches a certain level + io_ro_32 ints; +} adc_hw_t; #define adc_hw ((adc_hw_t *const)ADC_BASE) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/bus_ctrl.h b/src/rp2040/hardware_structs/include/hardware/structs/bus_ctrl.h index ce95a7c..9cc6c2f 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/bus_ctrl.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/bus_ctrl.h @@ -1,14 +1,25 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ + #ifndef _HARDWARE_STRUCTS_BUS_CTRL_H #define _HARDWARE_STRUCTS_BUS_CTRL_H #include "hardware/address_mapped.h" #include "hardware/regs/busctrl.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_busctrl +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/busctrl.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + enum bus_ctrl_perf_counter { arbiter_rom_perf_event_access = 19, arbiter_rom_perf_event_access_contested = 18, @@ -33,15 +44,33 @@ enum bus_ctrl_perf_counter { }; typedef struct { - io_rw_32 priority; - io_ro_32 priority_ack; - struct { - io_rw_32 value; - io_rw_32 sel; - } counter[4]; -} bus_ctrl_hw_t; + _REG_(BUSCTRL_PERFCTR0_OFFSET) // BUSCTRL_PERFCTR0 + // Bus fabric performance counter 0 + // 0x00ffffff [23:0] : PERFCTR0 (0): Busfabric saturating performance counter 0 + io_rw_32 value; -check_hw_layout(bus_ctrl_hw_t, counter[0].value, BUSCTRL_PERFCTR0_OFFSET); + _REG_(BUSCTRL_PERFSEL0_OFFSET) // BUSCTRL_PERFSEL0 + // Bus fabric performance event select for PERFCTR0 + // 0x0000001f [4:0] : PERFSEL0 (0x1f): Select an event for PERFCTR0 + io_rw_32 sel; +} bus_ctrl_perf_hw_t; + +typedef struct { + _REG_(BUSCTRL_BUS_PRIORITY_OFFSET) // BUSCTRL_BUS_PRIORITY + // Set the priority of each master for bus arbitration + // 0x00001000 [12] : DMA_W (0): 0 - low priority, 1 - high priority + // 0x00000100 [8] : DMA_R (0): 0 - low priority, 1 - high priority + // 0x00000010 [4] : PROC1 (0): 0 - low priority, 1 - high priority + // 0x00000001 [0] : PROC0 (0): 0 - low priority, 1 - high priority + io_rw_32 priority; + + _REG_(BUSCTRL_BUS_PRIORITY_ACK_OFFSET) // BUSCTRL_BUS_PRIORITY_ACK + // Bus priority acknowledge + // 0x00000001 [0] : BUS_PRIORITY_ACK (0): Goes to 1 once all arbiters have registered the new global priority levels + io_ro_32 priority_ack; + + bus_ctrl_perf_hw_t counter[4]; +} bus_ctrl_hw_t; #define bus_ctrl_hw ((bus_ctrl_hw_t *const)BUSCTRL_BASE) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/clocks.h b/src/rp2040/hardware_structs/include/hardware/structs/clocks.h index 489876d..6e03c1c 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/clocks.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/clocks.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,9 +10,16 @@ #define _HARDWARE_STRUCTS_CLOCKS_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/clocks.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_clocks +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/clocks.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + /*! \brief Enumeration identifying a hardware clock * \ingroup hardware_clocks */ @@ -32,41 +41,286 @@ enum clock_index { /// \tag::clock_hw[] typedef struct { + _REG_(CLOCKS_CLK_GPOUT0_CTRL_OFFSET) // CLOCKS_CLK_GPOUT0_CTRL + // Clock control, can be changed on-the-fly (except for auxsrc) + // 0x00100000 [20] : NUDGE (0): An edge on this signal shifts the phase of the output by 1 cycle of the input clock + // 0x00030000 [17:16] : PHASE (0): This delays the enable signal by up to 3 cycles of the input clock + // 0x00001000 [12] : DC50 (0): Enables duty cycle correction for odd divisors + // 0x00000800 [11] : ENABLE (0): Starts and stops the clock generator cleanly + // 0x00000400 [10] : KILL (0): Asynchronously kills the clock generator + // 0x000001e0 [8:5] : AUXSRC (0): Selects the auxiliary clock source, will glitch when switching io_rw_32 ctrl; + + _REG_(CLOCKS_CLK_GPOUT0_DIV_OFFSET) // CLOCKS_CLK_GPOUT0_DIV + // Clock divisor, can be changed on-the-fly + // 0xffffff00 [31:8] : INT (1): Integer component of the divisor, 0 -> divide by 2^16 + // 0x000000ff [7:0] : FRAC (0): Fractional component of the divisor io_rw_32 div; - io_rw_32 selected; + + _REG_(CLOCKS_CLK_GPOUT0_SELECTED_OFFSET) // CLOCKS_CLK_GPOUT0_SELECTED + // Indicates which SRC is currently selected by the glitchless mux (one-hot) + io_ro_32 selected; } clock_hw_t; /// \end::clock_hw[] typedef struct { - io_rw_32 ref_khz; - io_rw_32 min_khz; - io_rw_32 max_khz; - io_rw_32 delay; - io_rw_32 interval; - io_rw_32 src; + _REG_(CLOCKS_CLK_SYS_RESUS_CTRL_OFFSET) // CLOCKS_CLK_SYS_RESUS_CTRL + // 0x00010000 [16] : CLEAR (0): For clearing the resus after the fault that triggered it has been corrected + // 0x00001000 [12] : FRCE (0): Force a resus, for test purposes only + // 0x00000100 [8] : ENABLE (0): Enable resus + // 0x000000ff [7:0] : TIMEOUT (0xff): This is expressed as a number of clk_ref cycles + io_rw_32 ctrl; + + _REG_(CLOCKS_CLK_SYS_RESUS_STATUS_OFFSET) // CLOCKS_CLK_SYS_RESUS_STATUS + // 0x00000001 [0] : RESUSSED (0): Clock has been resuscitated, correct the error then send ctrl_clear=1 io_ro_32 status; +} clock_resus_hw_t; + +typedef struct { + _REG_(CLOCKS_FC0_REF_KHZ_OFFSET) // CLOCKS_FC0_REF_KHZ + // Reference clock frequency in kHz + // 0x000fffff [19:0] : FC0_REF_KHZ (0) + io_rw_32 ref_khz; + + _REG_(CLOCKS_FC0_MIN_KHZ_OFFSET) // CLOCKS_FC0_MIN_KHZ + // Minimum pass frequency in kHz + // 0x01ffffff [24:0] : FC0_MIN_KHZ (0) + io_rw_32 min_khz; + + _REG_(CLOCKS_FC0_MAX_KHZ_OFFSET) // CLOCKS_FC0_MAX_KHZ + // Maximum pass frequency in kHz + // 0x01ffffff [24:0] : FC0_MAX_KHZ (0x1ffffff) + io_rw_32 max_khz; + + _REG_(CLOCKS_FC0_DELAY_OFFSET) // CLOCKS_FC0_DELAY + // Delays the start of frequency counting to allow the mux to settle + // 0x00000007 [2:0] : FC0_DELAY (1) + io_rw_32 delay; + + _REG_(CLOCKS_FC0_INTERVAL_OFFSET) // CLOCKS_FC0_INTERVAL + // The test interval is 0 + // 0x0000000f [3:0] : FC0_INTERVAL (0x8) + io_rw_32 interval; + + _REG_(CLOCKS_FC0_SRC_OFFSET) // CLOCKS_FC0_SRC + // Clock sent to frequency counter, set to 0 when not required + // 0x000000ff [7:0] : FC0_SRC (0) + io_rw_32 src; + + _REG_(CLOCKS_FC0_STATUS_OFFSET) // CLOCKS_FC0_STATUS + // Frequency counter status + // 0x10000000 [28] : DIED (0): Test clock stopped during test + // 0x01000000 [24] : FAST (0): Test clock faster than expected, only valid when status_done=1 + // 0x00100000 [20] : SLOW (0): Test clock slower than expected, only valid when status_done=1 + // 0x00010000 [16] : FAIL (0): Test failed + // 0x00001000 [12] : WAITING (0): Waiting for test clock to start + // 0x00000100 [8] : RUNNING (0): Test running + // 0x00000010 [4] : DONE (0): Test complete + // 0x00000001 [0] : PASS (0): Test passed + io_ro_32 status; + + _REG_(CLOCKS_FC0_RESULT_OFFSET) // CLOCKS_FC0_RESULT + // Result of frequency measurement, only valid when status_done=1 + // 0x3fffffe0 [29:5] : KHZ (0) + // 0x0000001f [4:0] : FRAC (0) io_ro_32 result; } fc_hw_t; typedef struct { - clock_hw_t clk[CLK_COUNT]; - struct { - io_rw_32 ctrl; - io_rw_32 status; - } resus; + clock_hw_t clk[CLK_COUNT]; // 10 + + clock_resus_hw_t resus; + fc_hw_t fc0; + + _REG_(CLOCKS_WAKE_EN0_OFFSET) // CLOCKS_WAKE_EN0 + // enable clock in wake mode + // 0x80000000 [31] : clk_sys_sram3 (1) + // 0x40000000 [30] : clk_sys_sram2 (1) + // 0x20000000 [29] : clk_sys_sram1 (1) + // 0x10000000 [28] : clk_sys_sram0 (1) + // 0x08000000 [27] : clk_sys_spi1 (1) + // 0x04000000 [26] : clk_peri_spi1 (1) + // 0x02000000 [25] : clk_sys_spi0 (1) + // 0x01000000 [24] : clk_peri_spi0 (1) + // 0x00800000 [23] : clk_sys_sio (1) + // 0x00400000 [22] : clk_sys_rtc (1) + // 0x00200000 [21] : clk_rtc_rtc (1) + // 0x00100000 [20] : clk_sys_rosc (1) + // 0x00080000 [19] : clk_sys_rom (1) + // 0x00040000 [18] : clk_sys_resets (1) + // 0x00020000 [17] : clk_sys_pwm (1) + // 0x00010000 [16] : clk_sys_psm (1) + // 0x00008000 [15] : clk_sys_pll_usb (1) + // 0x00004000 [14] : clk_sys_pll_sys (1) + // 0x00002000 [13] : clk_sys_pio1 (1) + // 0x00001000 [12] : clk_sys_pio0 (1) + // 0x00000800 [11] : clk_sys_pads (1) + // 0x00000400 [10] : clk_sys_vreg_and_chip_reset (1) + // 0x00000200 [9] : clk_sys_jtag (1) + // 0x00000100 [8] : clk_sys_io (1) + // 0x00000080 [7] : clk_sys_i2c1 (1) + // 0x00000040 [6] : clk_sys_i2c0 (1) + // 0x00000020 [5] : clk_sys_dma (1) + // 0x00000010 [4] : clk_sys_busfabric (1) + // 0x00000008 [3] : clk_sys_busctrl (1) + // 0x00000004 [2] : clk_sys_adc (1) + // 0x00000002 [1] : clk_adc_adc (1) + // 0x00000001 [0] : clk_sys_clocks (1) io_rw_32 wake_en0; + + _REG_(CLOCKS_WAKE_EN1_OFFSET) // CLOCKS_WAKE_EN1 + // enable clock in wake mode + // 0x00004000 [14] : clk_sys_xosc (1) + // 0x00002000 [13] : clk_sys_xip (1) + // 0x00001000 [12] : clk_sys_watchdog (1) + // 0x00000800 [11] : clk_usb_usbctrl (1) + // 0x00000400 [10] : clk_sys_usbctrl (1) + // 0x00000200 [9] : clk_sys_uart1 (1) + // 0x00000100 [8] : clk_peri_uart1 (1) + // 0x00000080 [7] : clk_sys_uart0 (1) + // 0x00000040 [6] : clk_peri_uart0 (1) + // 0x00000020 [5] : clk_sys_timer (1) + // 0x00000010 [4] : clk_sys_tbman (1) + // 0x00000008 [3] : clk_sys_sysinfo (1) + // 0x00000004 [2] : clk_sys_syscfg (1) + // 0x00000002 [1] : clk_sys_sram5 (1) + // 0x00000001 [0] : clk_sys_sram4 (1) io_rw_32 wake_en1; + + _REG_(CLOCKS_SLEEP_EN0_OFFSET) // CLOCKS_SLEEP_EN0 + // enable clock in sleep mode + // 0x80000000 [31] : clk_sys_sram3 (1) + // 0x40000000 [30] : clk_sys_sram2 (1) + // 0x20000000 [29] : clk_sys_sram1 (1) + // 0x10000000 [28] : clk_sys_sram0 (1) + // 0x08000000 [27] : clk_sys_spi1 (1) + // 0x04000000 [26] : clk_peri_spi1 (1) + // 0x02000000 [25] : clk_sys_spi0 (1) + // 0x01000000 [24] : clk_peri_spi0 (1) + // 0x00800000 [23] : clk_sys_sio (1) + // 0x00400000 [22] : clk_sys_rtc (1) + // 0x00200000 [21] : clk_rtc_rtc (1) + // 0x00100000 [20] : clk_sys_rosc (1) + // 0x00080000 [19] : clk_sys_rom (1) + // 0x00040000 [18] : clk_sys_resets (1) + // 0x00020000 [17] : clk_sys_pwm (1) + // 0x00010000 [16] : clk_sys_psm (1) + // 0x00008000 [15] : clk_sys_pll_usb (1) + // 0x00004000 [14] : clk_sys_pll_sys (1) + // 0x00002000 [13] : clk_sys_pio1 (1) + // 0x00001000 [12] : clk_sys_pio0 (1) + // 0x00000800 [11] : clk_sys_pads (1) + // 0x00000400 [10] : clk_sys_vreg_and_chip_reset (1) + // 0x00000200 [9] : clk_sys_jtag (1) + // 0x00000100 [8] : clk_sys_io (1) + // 0x00000080 [7] : clk_sys_i2c1 (1) + // 0x00000040 [6] : clk_sys_i2c0 (1) + // 0x00000020 [5] : clk_sys_dma (1) + // 0x00000010 [4] : clk_sys_busfabric (1) + // 0x00000008 [3] : clk_sys_busctrl (1) + // 0x00000004 [2] : clk_sys_adc (1) + // 0x00000002 [1] : clk_adc_adc (1) + // 0x00000001 [0] : clk_sys_clocks (1) io_rw_32 sleep_en0; + + _REG_(CLOCKS_SLEEP_EN1_OFFSET) // CLOCKS_SLEEP_EN1 + // enable clock in sleep mode + // 0x00004000 [14] : clk_sys_xosc (1) + // 0x00002000 [13] : clk_sys_xip (1) + // 0x00001000 [12] : clk_sys_watchdog (1) + // 0x00000800 [11] : clk_usb_usbctrl (1) + // 0x00000400 [10] : clk_sys_usbctrl (1) + // 0x00000200 [9] : clk_sys_uart1 (1) + // 0x00000100 [8] : clk_peri_uart1 (1) + // 0x00000080 [7] : clk_sys_uart0 (1) + // 0x00000040 [6] : clk_peri_uart0 (1) + // 0x00000020 [5] : clk_sys_timer (1) + // 0x00000010 [4] : clk_sys_tbman (1) + // 0x00000008 [3] : clk_sys_sysinfo (1) + // 0x00000004 [2] : clk_sys_syscfg (1) + // 0x00000002 [1] : clk_sys_sram5 (1) + // 0x00000001 [0] : clk_sys_sram4 (1) io_rw_32 sleep_en1; - io_rw_32 enabled0; - io_rw_32 enabled1; - io_rw_32 intr; + + _REG_(CLOCKS_ENABLED0_OFFSET) // CLOCKS_ENABLED0 + // indicates the state of the clock enable + // 0x80000000 [31] : clk_sys_sram3 (0) + // 0x40000000 [30] : clk_sys_sram2 (0) + // 0x20000000 [29] : clk_sys_sram1 (0) + // 0x10000000 [28] : clk_sys_sram0 (0) + // 0x08000000 [27] : clk_sys_spi1 (0) + // 0x04000000 [26] : clk_peri_spi1 (0) + // 0x02000000 [25] : clk_sys_spi0 (0) + // 0x01000000 [24] : clk_peri_spi0 (0) + // 0x00800000 [23] : clk_sys_sio (0) + // 0x00400000 [22] : clk_sys_rtc (0) + // 0x00200000 [21] : clk_rtc_rtc (0) + // 0x00100000 [20] : clk_sys_rosc (0) + // 0x00080000 [19] : clk_sys_rom (0) + // 0x00040000 [18] : clk_sys_resets (0) + // 0x00020000 [17] : clk_sys_pwm (0) + // 0x00010000 [16] : clk_sys_psm (0) + // 0x00008000 [15] : clk_sys_pll_usb (0) + // 0x00004000 [14] : clk_sys_pll_sys (0) + // 0x00002000 [13] : clk_sys_pio1 (0) + // 0x00001000 [12] : clk_sys_pio0 (0) + // 0x00000800 [11] : clk_sys_pads (0) + // 0x00000400 [10] : clk_sys_vreg_and_chip_reset (0) + // 0x00000200 [9] : clk_sys_jtag (0) + // 0x00000100 [8] : clk_sys_io (0) + // 0x00000080 [7] : clk_sys_i2c1 (0) + // 0x00000040 [6] : clk_sys_i2c0 (0) + // 0x00000020 [5] : clk_sys_dma (0) + // 0x00000010 [4] : clk_sys_busfabric (0) + // 0x00000008 [3] : clk_sys_busctrl (0) + // 0x00000004 [2] : clk_sys_adc (0) + // 0x00000002 [1] : clk_adc_adc (0) + // 0x00000001 [0] : clk_sys_clocks (0) + io_ro_32 enabled0; + + _REG_(CLOCKS_ENABLED1_OFFSET) // CLOCKS_ENABLED1 + // indicates the state of the clock enable + // 0x00004000 [14] : clk_sys_xosc (0) + // 0x00002000 [13] : clk_sys_xip (0) + // 0x00001000 [12] : clk_sys_watchdog (0) + // 0x00000800 [11] : clk_usb_usbctrl (0) + // 0x00000400 [10] : clk_sys_usbctrl (0) + // 0x00000200 [9] : clk_sys_uart1 (0) + // 0x00000100 [8] : clk_peri_uart1 (0) + // 0x00000080 [7] : clk_sys_uart0 (0) + // 0x00000040 [6] : clk_peri_uart0 (0) + // 0x00000020 [5] : clk_sys_timer (0) + // 0x00000010 [4] : clk_sys_tbman (0) + // 0x00000008 [3] : clk_sys_sysinfo (0) + // 0x00000004 [2] : clk_sys_syscfg (0) + // 0x00000002 [1] : clk_sys_sram5 (0) + // 0x00000001 [0] : clk_sys_sram4 (0) + io_ro_32 enabled1; + + _REG_(CLOCKS_INTR_OFFSET) // CLOCKS_INTR + // Raw Interrupts + // 0x00000001 [0] : CLK_SYS_RESUS (0) + io_ro_32 intr; + + _REG_(CLOCKS_INTE_OFFSET) // CLOCKS_INTE + // Interrupt Enable + // 0x00000001 [0] : CLK_SYS_RESUS (0) io_rw_32 inte; + + _REG_(CLOCKS_INTF_OFFSET) // CLOCKS_INTF + // Interrupt Force + // 0x00000001 [0] : CLK_SYS_RESUS (0) io_rw_32 intf; - io_rw_32 ints; + + _REG_(CLOCKS_INTS_OFFSET) // CLOCKS_INTS + // Interrupt status after masking & forcing + // 0x00000001 [0] : CLK_SYS_RESUS (0) + io_ro_32 ints; } clocks_hw_t; #define clocks_hw ((clocks_hw_t *const)CLOCKS_BASE) + +static_assert( CLK_COUNT == 10, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/dma.h b/src/rp2040/hardware_structs/include/hardware/structs/dma.h index 06cdf79..6d28056 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/dma.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/dma.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,46 +10,175 @@ #define _HARDWARE_STRUCTS_DMA_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/dma.h" -typedef struct { - io_rw_32 read_addr; - io_rw_32 write_addr; - io_rw_32 transfer_count; - io_rw_32 ctrl_trig; - io_rw_32 al1_ctrl; - io_rw_32 al1_read_addr; - io_rw_32 al1_write_addr; - io_rw_32 al1_transfer_count_trig; - io_rw_32 al2_ctrl; - io_rw_32 al2_transfer_count; - io_rw_32 al2_read_addr; - io_rw_32 al2_write_addr_trig; - io_rw_32 al3_ctrl; - io_rw_32 al3_write_addr; - io_rw_32 al3_transfer_count; - io_rw_32 al3_read_addr_trig; -} dma_channel_hw_t; +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_dma +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/dma.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION typedef struct { - dma_channel_hw_t ch[NUM_DMA_CHANNELS]; - uint32_t _pad0[16 * (16 - NUM_DMA_CHANNELS)]; + _REG_(DMA_CH0_READ_ADDR_OFFSET) // DMA_CH0_READ_ADDR + // DMA Channel 0 Read Address pointer + io_rw_32 read_addr; + + _REG_(DMA_CH0_WRITE_ADDR_OFFSET) // DMA_CH0_WRITE_ADDR + // DMA Channel 0 Write Address pointer + io_rw_32 write_addr; + + _REG_(DMA_CH0_TRANS_COUNT_OFFSET) // DMA_CH0_TRANS_COUNT + // DMA Channel 0 Transfer Count + io_rw_32 transfer_count; + + _REG_(DMA_CH0_CTRL_TRIG_OFFSET) // DMA_CH0_CTRL_TRIG + // DMA Channel 0 Control and Status + // 0x80000000 [31] : AHB_ERROR (0): Logical OR of the READ_ERROR and WRITE_ERROR flags + // 0x40000000 [30] : READ_ERROR (0): If 1, the channel received a read bus error + // 0x20000000 [29] : WRITE_ERROR (0): If 1, the channel received a write bus error + // 0x01000000 [24] : BUSY (0): This flag goes high when the channel starts a new transfer sequence, and low when the... + // 0x00800000 [23] : SNIFF_EN (0): If 1, this channel's data transfers are visible to the sniff hardware, and each... + // 0x00400000 [22] : BSWAP (0): Apply byte-swap transformation to DMA data + // 0x00200000 [21] : IRQ_QUIET (0): In QUIET mode, the channel does not generate IRQs at the end of every transfer block + // 0x001f8000 [20:15] : TREQ_SEL (0): Select a Transfer Request signal + // 0x00007800 [14:11] : CHAIN_TO (0): When this channel completes, it will trigger the channel indicated by CHAIN_TO + // 0x00000400 [10] : RING_SEL (0): Select whether RING_SIZE applies to read or write addresses + // 0x000003c0 [9:6] : RING_SIZE (0): Size of address wrap region + // 0x00000020 [5] : INCR_WRITE (0): If 1, the write address increments with each transfer + // 0x00000010 [4] : INCR_READ (0): If 1, the read address increments with each transfer + // 0x0000000c [3:2] : DATA_SIZE (0): Set the size of each bus transfer (byte/halfword/word) + // 0x00000002 [1] : HIGH_PRIORITY (0): HIGH_PRIORITY gives a channel preferential treatment in issue scheduling: in... + // 0x00000001 [0] : EN (0): DMA Channel Enable + io_rw_32 ctrl_trig; + + _REG_(DMA_CH0_AL1_CTRL_OFFSET) // DMA_CH0_AL1_CTRL + // Alias for channel 0 CTRL register + io_rw_32 al1_ctrl; + + _REG_(DMA_CH0_AL1_READ_ADDR_OFFSET) // DMA_CH0_AL1_READ_ADDR + // Alias for channel 0 READ_ADDR register + io_rw_32 al1_read_addr; + + _REG_(DMA_CH0_AL1_WRITE_ADDR_OFFSET) // DMA_CH0_AL1_WRITE_ADDR + // Alias for channel 0 WRITE_ADDR register + io_rw_32 al1_write_addr; + + _REG_(DMA_CH0_AL1_TRANS_COUNT_TRIG_OFFSET) // DMA_CH0_AL1_TRANS_COUNT_TRIG + // Alias for channel 0 TRANS_COUNT register + io_rw_32 al1_transfer_count_trig; + + _REG_(DMA_CH0_AL2_CTRL_OFFSET) // DMA_CH0_AL2_CTRL + // Alias for channel 0 CTRL register + io_rw_32 al2_ctrl; + + _REG_(DMA_CH0_AL2_TRANS_COUNT_OFFSET) // DMA_CH0_AL2_TRANS_COUNT + // Alias for channel 0 TRANS_COUNT register + io_rw_32 al2_transfer_count; + + _REG_(DMA_CH0_AL2_READ_ADDR_OFFSET) // DMA_CH0_AL2_READ_ADDR + // Alias for channel 0 READ_ADDR register + io_rw_32 al2_read_addr; + + _REG_(DMA_CH0_AL2_WRITE_ADDR_TRIG_OFFSET) // DMA_CH0_AL2_WRITE_ADDR_TRIG + // Alias for channel 0 WRITE_ADDR register + io_rw_32 al2_write_addr_trig; + + _REG_(DMA_CH0_AL3_CTRL_OFFSET) // DMA_CH0_AL3_CTRL + // Alias for channel 0 CTRL register + io_rw_32 al3_ctrl; + + _REG_(DMA_CH0_AL3_WRITE_ADDR_OFFSET) // DMA_CH0_AL3_WRITE_ADDR + // Alias for channel 0 WRITE_ADDR register + io_rw_32 al3_write_addr; + + _REG_(DMA_CH0_AL3_TRANS_COUNT_OFFSET) // DMA_CH0_AL3_TRANS_COUNT + // Alias for channel 0 TRANS_COUNT register + io_rw_32 al3_transfer_count; + + _REG_(DMA_CH0_AL3_READ_ADDR_TRIG_OFFSET) // DMA_CH0_AL3_READ_ADDR_TRIG + // Alias for channel 0 READ_ADDR register + io_rw_32 al3_read_addr_trig; +} dma_channel_hw_t; + +typedef struct { + dma_channel_hw_t ch[NUM_DMA_CHANNELS]; // 12 + + uint32_t _pad0[64]; + + _REG_(DMA_INTR_OFFSET) // DMA_INTR + // Interrupt Status (raw) + // 0x0000ffff [15:0] : INTR (0): Raw interrupt status for DMA Channels 0 io_ro_32 intr; + + _REG_(DMA_INTE0_OFFSET) // DMA_INTE0 + // Interrupt Enables for IRQ 0 + // 0x0000ffff [15:0] : INTE0 (0): Set bit n to pass interrupts from channel n to DMA IRQ 0 io_rw_32 inte0; + + _REG_(DMA_INTF0_OFFSET) // DMA_INTF0 + // Force Interrupts + // 0x0000ffff [15:0] : INTF0 (0): Write 1s to force the corresponding bits in INTE0 io_rw_32 intf0; + + _REG_(DMA_INTS0_OFFSET) // DMA_INTS0 + // Interrupt Status for IRQ 0 + // 0x0000ffff [15:0] : INTS0 (0): Indicates active channel interrupt requests which are currently causing IRQ 0 to be asserted io_rw_32 ints0; - uint32_t _pad1[1]; + + uint32_t _pad1; + + _REG_(DMA_INTE1_OFFSET) // DMA_INTE1 + // Interrupt Enables for IRQ 1 + // 0x0000ffff [15:0] : INTE1 (0): Set bit n to pass interrupts from channel n to DMA IRQ 1 io_rw_32 inte1; + + _REG_(DMA_INTF1_OFFSET) // DMA_INTF1 + // Force Interrupts for IRQ 1 + // 0x0000ffff [15:0] : INTF1 (0): Write 1s to force the corresponding bits in INTE0 io_rw_32 intf1; + + _REG_(DMA_INTS1_OFFSET) // DMA_INTS1 + // Interrupt Status (masked) for IRQ 1 + // 0x0000ffff [15:0] : INTS1 (0): Indicates active channel interrupt requests which are currently causing IRQ 1 to be asserted io_rw_32 ints1; - io_rw_32 timer[4]; - io_wo_32 multi_channel_trigger; + + _REG_(DMA_TIMER0_OFFSET) // DMA_TIMER0 + io_rw_32 timer[NUM_DMA_TIMERS]; // 4 + + _REG_(DMA_MULTI_CHAN_TRIGGER_OFFSET) // DMA_MULTI_CHAN_TRIGGER + // Trigger one or more channels simultaneously + // 0x0000ffff [15:0] : MULTI_CHAN_TRIGGER (0): Each bit in this register corresponds to a DMA channel + io_rw_32 multi_channel_trigger; + + _REG_(DMA_SNIFF_CTRL_OFFSET) // DMA_SNIFF_CTRL + // Sniffer Control + // 0x00000800 [11] : OUT_INV (0): If set, the result appears inverted (bitwise complement) when read + // 0x00000400 [10] : OUT_REV (0): If set, the result appears bit-reversed when read + // 0x00000200 [9] : BSWAP (0): Locally perform a byte reverse on the sniffed data, before feeding into checksum + // 0x000001e0 [8:5] : CALC (0) + // 0x0000001e [4:1] : DMACH (0): DMA channel for Sniffer to observe + // 0x00000001 [0] : EN (0): Enable sniffer io_rw_32 sniff_ctrl; + + _REG_(DMA_SNIFF_DATA_OFFSET) // DMA_SNIFF_DATA + // Data accumulator for sniff hardware io_rw_32 sniff_data; - uint32_t _pad2[1]; + + uint32_t _pad2; + + _REG_(DMA_FIFO_LEVELS_OFFSET) // DMA_FIFO_LEVELS + // Debug RAF, WAF, TDF levels + // 0x00ff0000 [23:16] : RAF_LVL (0): Current Read-Address-FIFO fill level + // 0x0000ff00 [15:8] : WAF_LVL (0): Current Write-Address-FIFO fill level + // 0x000000ff [7:0] : TDF_LVL (0): Current Transfer-Data-FIFO fill level io_ro_32 fifo_levels; - io_wo_32 abort; + + _REG_(DMA_CHAN_ABORT_OFFSET) // DMA_CHAN_ABORT + // Abort an in-progress transfer sequence on one or more channels + // 0x0000ffff [15:0] : CHAN_ABORT (0): Each bit corresponds to a channel + io_rw_32 abort; } dma_hw_t; typedef struct { @@ -61,4 +192,7 @@ typedef struct { #define dma_hw ((dma_hw_t *const)DMA_BASE) #define dma_debug_hw ((dma_debug_hw_t *const)(DMA_BASE + DMA_CH0_DBG_CTDREQ_OFFSET)) +static_assert( NUM_DMA_TIMERS == 4, ""); +static_assert( NUM_DMA_CHANNELS == 12, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/i2c.h b/src/rp2040/hardware_structs/include/hardware/structs/i2c.h index 1a58c50..86b6c63 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/i2c.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/i2c.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,125 +12,322 @@ #include "hardware/address_mapped.h" #include "hardware/regs/i2c.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_i2c +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/i2c.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(I2C_IC_CON_OFFSET) // I2C_IC_CON + // I2C Control Register + // 0x00000400 [10] : STOP_DET_IF_MASTER_ACTIVE (0): Master issues the STOP_DET interrupt irrespective of whether... + // 0x00000200 [9] : RX_FIFO_FULL_HLD_CTRL (0): This bit controls whether DW_apb_i2c should hold the bus when the Rx... + // 0x00000100 [8] : TX_EMPTY_CTRL (0): This bit controls the generation of the TX_EMPTY interrupt, as described in... + // 0x00000080 [7] : STOP_DET_IFADDRESSED (0): In slave mode: - 1'b1: issues the STOP_DET interrupt only when it is... + // 0x00000040 [6] : IC_SLAVE_DISABLE (1): This bit controls whether I2C has its slave disabled, which means once... + // 0x00000020 [5] : IC_RESTART_EN (1): Determines whether RESTART conditions may be sent when acting as a master + // 0x00000010 [4] : IC_10BITADDR_MASTER (0): Controls whether the DW_apb_i2c starts its transfers in 7- or 10-bit... + // 0x00000008 [3] : IC_10BITADDR_SLAVE (0): When acting as a slave, this bit controls whether the DW_apb_i2c... + // 0x00000006 [2:1] : SPEED (0x2): These bits control at which speed the DW_apb_i2c operates; its setting is relevant... + // 0x00000001 [0] : MASTER_MODE (1): This bit controls whether the DW_apb_i2c master is enabled io_rw_32 con; + + _REG_(I2C_IC_TAR_OFFSET) // I2C_IC_TAR + // I2C Target Address Register + // 0x00000800 [11] : SPECIAL (0): This bit indicates whether software performs a Device-ID or General Call or START... + // 0x00000400 [10] : GC_OR_START (0): If bit 11 (SPECIAL) is set to 1 and bit 13(Device-ID) is set to 0, then this... + // 0x000003ff [9:0] : IC_TAR (0x55): This is the target address for any master transaction io_rw_32 tar; + + _REG_(I2C_IC_SAR_OFFSET) // I2C_IC_SAR + // I2C Slave Address Register + // 0x000003ff [9:0] : IC_SAR (0x55): The IC_SAR holds the slave address when the I2C is operating as a slave io_rw_32 sar; + uint32_t _pad0; + + _REG_(I2C_IC_DATA_CMD_OFFSET) // I2C_IC_DATA_CMD + // I2C Rx/Tx Data Buffer and Command Register; this is the register the CPU writes to when filling the TX FIFO and the... + // 0x00000800 [11] : FIRST_DATA_BYTE (0): Indicates the first data byte received after the address phase for receive... + // 0x00000400 [10] : RESTART (0): This bit controls whether a RESTART is issued before the byte is sent or received + // 0x00000200 [9] : STOP (0): This bit controls whether a STOP is issued after the byte is sent or received + // 0x00000100 [8] : CMD (0): This bit controls whether a read or a write is performed + // 0x000000ff [7:0] : DAT (0): This register contains the data to be transmitted or received on the I2C bus io_rw_32 data_cmd; + + _REG_(I2C_IC_SS_SCL_HCNT_OFFSET) // I2C_IC_SS_SCL_HCNT + // Standard Speed I2C Clock SCL High Count Register + // 0x0000ffff [15:0] : IC_SS_SCL_HCNT (0x28): This register must be set before any I2C bus transaction can take place... io_rw_32 ss_scl_hcnt; + + _REG_(I2C_IC_SS_SCL_LCNT_OFFSET) // I2C_IC_SS_SCL_LCNT + // Standard Speed I2C Clock SCL Low Count Register + // 0x0000ffff [15:0] : IC_SS_SCL_LCNT (0x2f): This register must be set before any I2C bus transaction can take place... io_rw_32 ss_scl_lcnt; + + _REG_(I2C_IC_FS_SCL_HCNT_OFFSET) // I2C_IC_FS_SCL_HCNT + // Fast Mode or Fast Mode Plus I2C Clock SCL High Count Register + // 0x0000ffff [15:0] : IC_FS_SCL_HCNT (0x6): This register must be set before any I2C bus transaction can take place... io_rw_32 fs_scl_hcnt; + + _REG_(I2C_IC_FS_SCL_LCNT_OFFSET) // I2C_IC_FS_SCL_LCNT + // Fast Mode or Fast Mode Plus I2C Clock SCL Low Count Register + // 0x0000ffff [15:0] : IC_FS_SCL_LCNT (0xd): This register must be set before any I2C bus transaction can take place... io_rw_32 fs_scl_lcnt; + uint32_t _pad1[2]; - io_rw_32 intr_stat; + + _REG_(I2C_IC_INTR_STAT_OFFSET) // I2C_IC_INTR_STAT + // I2C Interrupt Status Register + // 0x00001000 [12] : R_RESTART_DET (0): See IC_RAW_INTR_STAT for a detailed description of R_RESTART_DET bit + // 0x00000800 [11] : R_GEN_CALL (0): See IC_RAW_INTR_STAT for a detailed description of R_GEN_CALL bit + // 0x00000400 [10] : R_START_DET (0): See IC_RAW_INTR_STAT for a detailed description of R_START_DET bit + // 0x00000200 [9] : R_STOP_DET (0): See IC_RAW_INTR_STAT for a detailed description of R_STOP_DET bit + // 0x00000100 [8] : R_ACTIVITY (0): See IC_RAW_INTR_STAT for a detailed description of R_ACTIVITY bit + // 0x00000080 [7] : R_RX_DONE (0): See IC_RAW_INTR_STAT for a detailed description of R_RX_DONE bit + // 0x00000040 [6] : R_TX_ABRT (0): See IC_RAW_INTR_STAT for a detailed description of R_TX_ABRT bit + // 0x00000020 [5] : R_RD_REQ (0): See IC_RAW_INTR_STAT for a detailed description of R_RD_REQ bit + // 0x00000010 [4] : R_TX_EMPTY (0): See IC_RAW_INTR_STAT for a detailed description of R_TX_EMPTY bit + // 0x00000008 [3] : R_TX_OVER (0): See IC_RAW_INTR_STAT for a detailed description of R_TX_OVER bit + // 0x00000004 [2] : R_RX_FULL (0): See IC_RAW_INTR_STAT for a detailed description of R_RX_FULL bit + // 0x00000002 [1] : R_RX_OVER (0): See IC_RAW_INTR_STAT for a detailed description of R_RX_OVER bit + // 0x00000001 [0] : R_RX_UNDER (0): See IC_RAW_INTR_STAT for a detailed description of R_RX_UNDER bit + io_ro_32 intr_stat; + + _REG_(I2C_IC_INTR_MASK_OFFSET) // I2C_IC_INTR_MASK + // I2C Interrupt Mask Register + // 0x00001000 [12] : M_RESTART_DET (0): This bit masks the R_RESTART_DET interrupt in IC_INTR_STAT register + // 0x00000800 [11] : M_GEN_CALL (1): This bit masks the R_GEN_CALL interrupt in IC_INTR_STAT register + // 0x00000400 [10] : M_START_DET (0): This bit masks the R_START_DET interrupt in IC_INTR_STAT register + // 0x00000200 [9] : M_STOP_DET (0): This bit masks the R_STOP_DET interrupt in IC_INTR_STAT register + // 0x00000100 [8] : M_ACTIVITY (0): This bit masks the R_ACTIVITY interrupt in IC_INTR_STAT register + // 0x00000080 [7] : M_RX_DONE (1): This bit masks the R_RX_DONE interrupt in IC_INTR_STAT register + // 0x00000040 [6] : M_TX_ABRT (1): This bit masks the R_TX_ABRT interrupt in IC_INTR_STAT register + // 0x00000020 [5] : M_RD_REQ (1): This bit masks the R_RD_REQ interrupt in IC_INTR_STAT register + // 0x00000010 [4] : M_TX_EMPTY (1): This bit masks the R_TX_EMPTY interrupt in IC_INTR_STAT register + // 0x00000008 [3] : M_TX_OVER (1): This bit masks the R_TX_OVER interrupt in IC_INTR_STAT register + // 0x00000004 [2] : M_RX_FULL (1): This bit masks the R_RX_FULL interrupt in IC_INTR_STAT register + // 0x00000002 [1] : M_RX_OVER (1): This bit masks the R_RX_OVER interrupt in IC_INTR_STAT register + // 0x00000001 [0] : M_RX_UNDER (1): This bit masks the R_RX_UNDER interrupt in IC_INTR_STAT register io_rw_32 intr_mask; - io_rw_32 raw_intr_stat; + + _REG_(I2C_IC_RAW_INTR_STAT_OFFSET) // I2C_IC_RAW_INTR_STAT + // I2C Raw Interrupt Status Register + // 0x00001000 [12] : RESTART_DET (0): Indicates whether a RESTART condition has occurred on the I2C interface when... + // 0x00000800 [11] : GEN_CALL (0): Set only when a General Call address is received and it is acknowledged + // 0x00000400 [10] : START_DET (0): Indicates whether a START or RESTART condition has occurred on the I2C interface... + // 0x00000200 [9] : STOP_DET (0): Indicates whether a STOP condition has occurred on the I2C interface regardless... + // 0x00000100 [8] : ACTIVITY (0): This bit captures DW_apb_i2c activity and stays set until it is cleared + // 0x00000080 [7] : RX_DONE (0): When the DW_apb_i2c is acting as a slave-transmitter, this bit is set to 1 if the... + // 0x00000040 [6] : TX_ABRT (0): This bit indicates if DW_apb_i2c, as an I2C transmitter, is unable to complete the... + // 0x00000020 [5] : RD_REQ (0): This bit is set to 1 when DW_apb_i2c is acting as a slave and another I2C master is... + // 0x00000010 [4] : TX_EMPTY (0): The behavior of the TX_EMPTY interrupt status differs based on the TX_EMPTY_CTRL... + // 0x00000008 [3] : TX_OVER (0): Set during transmit if the transmit buffer is filled to IC_TX_BUFFER_DEPTH and the... + // 0x00000004 [2] : RX_FULL (0): Set when the receive buffer reaches or goes above the RX_TL threshold in the... + // 0x00000002 [1] : RX_OVER (0): Set if the receive buffer is completely filled to IC_RX_BUFFER_DEPTH and an... + // 0x00000001 [0] : RX_UNDER (0): Set if the processor attempts to read the receive buffer when it is empty by... + io_ro_32 raw_intr_stat; + + _REG_(I2C_IC_RX_TL_OFFSET) // I2C_IC_RX_TL + // I2C Receive FIFO Threshold Register + // 0x000000ff [7:0] : RX_TL (0): Receive FIFO Threshold Level io_rw_32 rx_tl; + + _REG_(I2C_IC_TX_TL_OFFSET) // I2C_IC_TX_TL + // I2C Transmit FIFO Threshold Register + // 0x000000ff [7:0] : TX_TL (0): Transmit FIFO Threshold Level io_rw_32 tx_tl; - io_rw_32 clr_intr; - io_rw_32 clr_rx_under; - io_rw_32 clr_rx_over; - io_rw_32 clr_tx_over; - io_rw_32 clr_rd_req; - io_rw_32 clr_tx_abrt; - io_rw_32 clr_rx_done; - io_rw_32 clr_activity; - io_rw_32 clr_stop_det; - io_rw_32 clr_start_det; - io_rw_32 clr_gen_call; + + _REG_(I2C_IC_CLR_INTR_OFFSET) // I2C_IC_CLR_INTR + // Clear Combined and Individual Interrupt Register + // 0x00000001 [0] : CLR_INTR (0): Read this register to clear the combined interrupt, all individual interrupts,... + io_ro_32 clr_intr; + + _REG_(I2C_IC_CLR_RX_UNDER_OFFSET) // I2C_IC_CLR_RX_UNDER + // Clear RX_UNDER Interrupt Register + // 0x00000001 [0] : CLR_RX_UNDER (0): Read this register to clear the RX_UNDER interrupt (bit 0) of the... + io_ro_32 clr_rx_under; + + _REG_(I2C_IC_CLR_RX_OVER_OFFSET) // I2C_IC_CLR_RX_OVER + // Clear RX_OVER Interrupt Register + // 0x00000001 [0] : CLR_RX_OVER (0): Read this register to clear the RX_OVER interrupt (bit 1) of the... + io_ro_32 clr_rx_over; + + _REG_(I2C_IC_CLR_TX_OVER_OFFSET) // I2C_IC_CLR_TX_OVER + // Clear TX_OVER Interrupt Register + // 0x00000001 [0] : CLR_TX_OVER (0): Read this register to clear the TX_OVER interrupt (bit 3) of the... + io_ro_32 clr_tx_over; + + _REG_(I2C_IC_CLR_RD_REQ_OFFSET) // I2C_IC_CLR_RD_REQ + // Clear RD_REQ Interrupt Register + // 0x00000001 [0] : CLR_RD_REQ (0): Read this register to clear the RD_REQ interrupt (bit 5) of the... + io_ro_32 clr_rd_req; + + _REG_(I2C_IC_CLR_TX_ABRT_OFFSET) // I2C_IC_CLR_TX_ABRT + // Clear TX_ABRT Interrupt Register + // 0x00000001 [0] : CLR_TX_ABRT (0): Read this register to clear the TX_ABRT interrupt (bit 6) of the... + io_ro_32 clr_tx_abrt; + + _REG_(I2C_IC_CLR_RX_DONE_OFFSET) // I2C_IC_CLR_RX_DONE + // Clear RX_DONE Interrupt Register + // 0x00000001 [0] : CLR_RX_DONE (0): Read this register to clear the RX_DONE interrupt (bit 7) of the... + io_ro_32 clr_rx_done; + + _REG_(I2C_IC_CLR_ACTIVITY_OFFSET) // I2C_IC_CLR_ACTIVITY + // Clear ACTIVITY Interrupt Register + // 0x00000001 [0] : CLR_ACTIVITY (0): Reading this register clears the ACTIVITY interrupt if the I2C is not active anymore + io_ro_32 clr_activity; + + _REG_(I2C_IC_CLR_STOP_DET_OFFSET) // I2C_IC_CLR_STOP_DET + // Clear STOP_DET Interrupt Register + // 0x00000001 [0] : CLR_STOP_DET (0): Read this register to clear the STOP_DET interrupt (bit 9) of the... + io_ro_32 clr_stop_det; + + _REG_(I2C_IC_CLR_START_DET_OFFSET) // I2C_IC_CLR_START_DET + // Clear START_DET Interrupt Register + // 0x00000001 [0] : CLR_START_DET (0): Read this register to clear the START_DET interrupt (bit 10) of the... + io_ro_32 clr_start_det; + + _REG_(I2C_IC_CLR_GEN_CALL_OFFSET) // I2C_IC_CLR_GEN_CALL + // Clear GEN_CALL Interrupt Register + // 0x00000001 [0] : CLR_GEN_CALL (0): Read this register to clear the GEN_CALL interrupt (bit 11) of... + io_ro_32 clr_gen_call; + + _REG_(I2C_IC_ENABLE_OFFSET) // I2C_IC_ENABLE + // I2C Enable Register + // 0x00000004 [2] : TX_CMD_BLOCK (0): In Master mode: - 1'b1: Blocks the transmission of data on I2C bus even if Tx... + // 0x00000002 [1] : ABORT (0): When set, the controller initiates the transfer abort + // 0x00000001 [0] : ENABLE (0): Controls whether the DW_apb_i2c is enabled io_rw_32 enable; - io_rw_32 status; - io_rw_32 txflr; - io_rw_32 rxflr; + + _REG_(I2C_IC_STATUS_OFFSET) // I2C_IC_STATUS + // I2C Status Register + // 0x00000040 [6] : SLV_ACTIVITY (0): Slave FSM Activity Status + // 0x00000020 [5] : MST_ACTIVITY (0): Master FSM Activity Status + // 0x00000010 [4] : RFF (0): Receive FIFO Completely Full + // 0x00000008 [3] : RFNE (0): Receive FIFO Not Empty + // 0x00000004 [2] : TFE (1): Transmit FIFO Completely Empty + // 0x00000002 [1] : TFNF (1): Transmit FIFO Not Full + // 0x00000001 [0] : ACTIVITY (0): I2C Activity Status + io_ro_32 status; + + _REG_(I2C_IC_TXFLR_OFFSET) // I2C_IC_TXFLR + // I2C Transmit FIFO Level Register This register contains the number of valid data entries in the transmit FIFO buffer + // 0x0000001f [4:0] : TXFLR (0): Transmit FIFO Level + io_ro_32 txflr; + + _REG_(I2C_IC_RXFLR_OFFSET) // I2C_IC_RXFLR + // I2C Receive FIFO Level Register This register contains the number of valid data entries in the receive FIFO buffer + // 0x0000001f [4:0] : RXFLR (0): Receive FIFO Level + io_ro_32 rxflr; + + _REG_(I2C_IC_SDA_HOLD_OFFSET) // I2C_IC_SDA_HOLD + // I2C SDA Hold Time Length Register + // 0x00ff0000 [23:16] : IC_SDA_RX_HOLD (0): Sets the required SDA hold time in units of ic_clk period, when DW_apb_i2c... + // 0x0000ffff [15:0] : IC_SDA_TX_HOLD (1): Sets the required SDA hold time in units of ic_clk period, when DW_apb_i2c... io_rw_32 sda_hold; - io_rw_32 tx_abrt_source; + + _REG_(I2C_IC_TX_ABRT_SOURCE_OFFSET) // I2C_IC_TX_ABRT_SOURCE + // I2C Transmit Abort Source Register + // 0xff800000 [31:23] : TX_FLUSH_CNT (0): This field indicates the number of Tx FIFO Data Commands which are flushed... + // 0x00010000 [16] : ABRT_USER_ABRT (0): This is a master-mode-only bit + // 0x00008000 [15] : ABRT_SLVRD_INTX (0): 1: When the processor side responds to a slave mode request for data to be... + // 0x00004000 [14] : ABRT_SLV_ARBLOST (0): This field indicates that a Slave has lost the bus while transmitting... + // 0x00002000 [13] : ABRT_SLVFLUSH_TXFIFO (0): This field specifies that the Slave has received a read command and... + // 0x00001000 [12] : ARB_LOST (0): This field specifies that the Master has lost arbitration, or if... + // 0x00000800 [11] : ABRT_MASTER_DIS (0): This field indicates that the User tries to initiate a Master operation... + // 0x00000400 [10] : ABRT_10B_RD_NORSTRT (0): This field indicates that the restart is disabled (IC_RESTART_EN bit... + // 0x00000200 [9] : ABRT_SBYTE_NORSTRT (0): To clear Bit 9, the source of the ABRT_SBYTE_NORSTRT must be fixed... + // 0x00000100 [8] : ABRT_HS_NORSTRT (0): This field indicates that the restart is disabled (IC_RESTART_EN bit... + // 0x00000080 [7] : ABRT_SBYTE_ACKDET (0): This field indicates that the Master has sent a START Byte and the START... + // 0x00000040 [6] : ABRT_HS_ACKDET (0): This field indicates that the Master is in High Speed mode and the High... + // 0x00000020 [5] : ABRT_GCALL_READ (0): This field indicates that DW_apb_i2c in the master mode has sent a General... + // 0x00000010 [4] : ABRT_GCALL_NOACK (0): This field indicates that DW_apb_i2c in master mode has sent a General... + // 0x00000008 [3] : ABRT_TXDATA_NOACK (0): This field indicates the master-mode only bit + // 0x00000004 [2] : ABRT_10ADDR2_NOACK (0): This field indicates that the Master is in 10-bit address mode and that... + // 0x00000002 [1] : ABRT_10ADDR1_NOACK (0): This field indicates that the Master is in 10-bit address mode and the... + // 0x00000001 [0] : ABRT_7B_ADDR_NOACK (0): This field indicates that the Master is in 7-bit addressing mode and... + io_ro_32 tx_abrt_source; + + _REG_(I2C_IC_SLV_DATA_NACK_ONLY_OFFSET) // I2C_IC_SLV_DATA_NACK_ONLY + // Generate Slave Data NACK Register + // 0x00000001 [0] : NACK (0): Generate NACK io_rw_32 slv_data_nack_only; + + _REG_(I2C_IC_DMA_CR_OFFSET) // I2C_IC_DMA_CR + // DMA Control Register + // 0x00000002 [1] : TDMAE (0): Transmit DMA Enable + // 0x00000001 [0] : RDMAE (0): Receive DMA Enable io_rw_32 dma_cr; + + _REG_(I2C_IC_DMA_TDLR_OFFSET) // I2C_IC_DMA_TDLR + // DMA Transmit Data Level Register + // 0x0000000f [3:0] : DMATDL (0): Transmit Data Level io_rw_32 dma_tdlr; + + _REG_(I2C_IC_DMA_RDLR_OFFSET) // I2C_IC_DMA_RDLR + // I2C Receive Data Level Register + // 0x0000000f [3:0] : DMARDL (0): Receive Data Level io_rw_32 dma_rdlr; + + _REG_(I2C_IC_SDA_SETUP_OFFSET) // I2C_IC_SDA_SETUP + // I2C SDA Setup Register + // 0x000000ff [7:0] : SDA_SETUP (0x64): SDA Setup io_rw_32 sda_setup; + + _REG_(I2C_IC_ACK_GENERAL_CALL_OFFSET) // I2C_IC_ACK_GENERAL_CALL + // I2C ACK General Call Register + // 0x00000001 [0] : ACK_GEN_CALL (1): ACK General Call io_rw_32 ack_general_call; - io_rw_32 enable_status; + + _REG_(I2C_IC_ENABLE_STATUS_OFFSET) // I2C_IC_ENABLE_STATUS + // I2C Enable Status Register + // 0x00000004 [2] : SLV_RX_DATA_LOST (0): Slave Received Data Lost + // 0x00000002 [1] : SLV_DISABLED_WHILE_BUSY (0): Slave Disabled While Busy (Transmit, Receive) + // 0x00000001 [0] : IC_EN (0): ic_en Status + io_ro_32 enable_status; + + _REG_(I2C_IC_FS_SPKLEN_OFFSET) // I2C_IC_FS_SPKLEN + // I2C SS, FS or FM+ spike suppression limit + // 0x000000ff [7:0] : IC_FS_SPKLEN (0x7): This register must be set before any I2C bus transaction can take place to... io_rw_32 fs_spklen; + uint32_t _pad2; - io_rw_32 clr_restart_det; + + _REG_(I2C_IC_CLR_RESTART_DET_OFFSET) // I2C_IC_CLR_RESTART_DET + // Clear RESTART_DET Interrupt Register + // 0x00000001 [0] : CLR_RESTART_DET (0): Read this register to clear the RESTART_DET interrupt (bit 12) of... + io_ro_32 clr_restart_det; + + uint32_t _pad3[18]; + + _REG_(I2C_IC_COMP_PARAM_1_OFFSET) // I2C_IC_COMP_PARAM_1 + // Component Parameter Register 1 + // 0x00ff0000 [23:16] : TX_BUFFER_DEPTH (0): TX Buffer Depth = 16 + // 0x0000ff00 [15:8] : RX_BUFFER_DEPTH (0): RX Buffer Depth = 16 + // 0x00000080 [7] : ADD_ENCODED_PARAMS (0): Encoded parameters not visible + // 0x00000040 [6] : HAS_DMA (0): DMA handshaking signals are enabled + // 0x00000020 [5] : INTR_IO (0): COMBINED Interrupt outputs + // 0x00000010 [4] : HC_COUNT_VALUES (0): Programmable count values for each mode + // 0x0000000c [3:2] : MAX_SPEED_MODE (0): MAX SPEED MODE = FAST MODE + // 0x00000003 [1:0] : APB_DATA_WIDTH (0): APB data bus width is 32 bits + io_ro_32 comp_param_1; + + _REG_(I2C_IC_COMP_VERSION_OFFSET) // I2C_IC_COMP_VERSION + // I2C Component Version Register + // 0xffffffff [31:0] : IC_COMP_VERSION (0x3230312a) + io_ro_32 comp_version; + + _REG_(I2C_IC_COMP_TYPE_OFFSET) // I2C_IC_COMP_TYPE + // I2C Component Type Register + // 0xffffffff [31:0] : IC_COMP_TYPE (0x44570140): Designware Component Type number = 0x44_57_01_40 + io_ro_32 comp_type; } i2c_hw_t; #define i2c0_hw ((i2c_hw_t *const)I2C0_BASE) #define i2c1_hw ((i2c_hw_t *const)I2C1_BASE) -// List of configuration constants for the Synopsys I2C hardware (you may see -// references to these in I2C register header; these are *fixed* values, -// set at hardware design time): - -// IC_ULTRA_FAST_MODE ................ 0x0 -// IC_UFM_TBUF_CNT_DEFAULT ........... 0x8 -// IC_UFM_SCL_LOW_COUNT .............. 0x0008 -// IC_UFM_SCL_HIGH_COUNT ............. 0x0006 -// IC_TX_TL .......................... 0x0 -// IC_TX_CMD_BLOCK ................... 0x1 -// IC_HAS_DMA ........................ 0x1 -// IC_HAS_ASYNC_FIFO ................. 0x0 -// IC_SMBUS_ARP ...................... 0x0 -// IC_FIRST_DATA_BYTE_STATUS ......... 0x1 -// IC_INTR_IO ........................ 0x1 -// IC_MASTER_MODE .................... 0x1 -// IC_DEFAULT_ACK_GENERAL_CALL ....... 0x1 -// IC_INTR_POL ....................... 0x1 -// IC_OPTIONAL_SAR ................... 0x0 -// IC_DEFAULT_TAR_SLAVE_ADDR ......... 0x055 -// IC_DEFAULT_SLAVE_ADDR ............. 0x055 -// IC_DEFAULT_HS_SPKLEN .............. 0x1 -// IC_FS_SCL_HIGH_COUNT .............. 0x0006 -// IC_HS_SCL_LOW_COUNT ............... 0x0008 -// IC_DEVICE_ID_VALUE ................ 0x0 -// IC_10BITADDR_MASTER ............... 0x0 -// IC_CLK_FREQ_OPTIMIZATION .......... 0x0 -// IC_DEFAULT_FS_SPKLEN .............. 0x7 -// IC_ADD_ENCODED_PARAMS ............. 0x0 -// IC_DEFAULT_SDA_HOLD ............... 0x000001 -// IC_DEFAULT_SDA_SETUP .............. 0x64 -// IC_AVOID_RX_FIFO_FLUSH_ON_TX_ABRT . 0x0 -// IC_CLOCK_PERIOD ................... 100 -// IC_EMPTYFIFO_HOLD_MASTER_EN ....... 1 -// IC_RESTART_EN ..................... 0x1 -// IC_TX_CMD_BLOCK_DEFAULT ........... 0x0 -// IC_BUS_CLEAR_FEATURE .............. 0x0 -// IC_CAP_LOADING .................... 100 -// IC_FS_SCL_LOW_COUNT ............... 0x000d -// APB_DATA_WIDTH .................... 32 -// IC_SDA_STUCK_TIMEOUT_DEFAULT ...... 0xffffffff -// IC_SLV_DATA_NACK_ONLY ............. 0x1 -// IC_10BITADDR_SLAVE ................ 0x0 -// IC_CLK_TYPE ....................... 0x0 -// IC_SMBUS_UDID_MSB ................. 0x0 -// IC_SMBUS_SUSPEND_ALERT ............ 0x0 -// IC_HS_SCL_HIGH_COUNT .............. 0x0006 -// IC_SLV_RESTART_DET_EN ............. 0x1 -// IC_SMBUS .......................... 0x0 -// IC_OPTIONAL_SAR_DEFAULT ........... 0x0 -// IC_PERSISTANT_SLV_ADDR_DEFAULT .... 0x0 -// IC_USE_COUNTS ..................... 0x0 -// IC_RX_BUFFER_DEPTH ................ 16 -// IC_SCL_STUCK_TIMEOUT_DEFAULT ...... 0xffffffff -// IC_RX_FULL_HLD_BUS_EN ............. 0x1 -// IC_SLAVE_DISABLE .................. 0x1 -// IC_RX_TL .......................... 0x0 -// IC_DEVICE_ID ...................... 0x0 -// IC_HC_COUNT_VALUES ................ 0x0 -// I2C_DYNAMIC_TAR_UPDATE ............ 0 -// IC_SMBUS_CLK_LOW_MEXT_DEFAULT ..... 0xffffffff -// IC_SMBUS_CLK_LOW_SEXT_DEFAULT ..... 0xffffffff -// IC_HS_MASTER_CODE ................. 0x1 -// IC_SMBUS_RST_IDLE_CNT_DEFAULT ..... 0xffff -// IC_SMBUS_UDID_LSB_DEFAULT ......... 0xffffffff -// IC_SS_SCL_HIGH_COUNT .............. 0x0028 -// IC_SS_SCL_LOW_COUNT ............... 0x002f -// IC_MAX_SPEED_MODE ................. 0x2 -// IC_STAT_FOR_CLK_STRETCH ........... 0x0 -// IC_STOP_DET_IF_MASTER_ACTIVE ...... 0x0 -// IC_DEFAULT_UFM_SPKLEN ............. 0x1 -// IC_TX_BUFFER_DEPTH ................ 16 - #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/interp.h b/src/rp2040/hardware_structs/include/hardware/structs/interp.h index 6837507..5c5998d 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/interp.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/interp.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,16 +10,37 @@ #define _HARDWARE_STRUCTS_INTERP_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/sio.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_sio +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/sio.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(SIO_INTERP0_ACCUM0_OFFSET) // SIO_INTERP0_ACCUM0 io_rw_32 accum[2]; + + _REG_(SIO_INTERP0_BASE0_OFFSET) // SIO_INTERP0_BASE0 io_rw_32 base[3]; + + _REG_(SIO_INTERP0_POP_LANE0_OFFSET) // SIO_INTERP0_POP_LANE0 io_ro_32 pop[3]; + + _REG_(SIO_INTERP0_PEEK_LANE0_OFFSET) // SIO_INTERP0_PEEK_LANE0 io_ro_32 peek[3]; + + _REG_(SIO_INTERP0_CTRL_LANE0_OFFSET) // SIO_INTERP0_CTRL_LANE0 io_rw_32 ctrl[2]; + + _REG_(SIO_INTERP0_ACCUM0_ADD_OFFSET) // SIO_INTERP0_ACCUM0_ADD io_rw_32 add_raw[2]; + + _REG_(SIO_INTERP0_BASE_1AND0_OFFSET) // SIO_INTERP0_BASE_1AND0 + // On write, the lower 16 bits go to BASE0, upper bits to BASE1 simultaneously io_wo_32 base01; } interp_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/iobank0.h b/src/rp2040/hardware_structs/include/hardware/structs/iobank0.h index b19800f..b07a038 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/iobank0.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/iobank0.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,28 +10,67 @@ #define _HARDWARE_STRUCTS_IOBANK0_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/io_bank0.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_io_bank0 +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/io_bank0.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(IO_BANK0_GPIO0_STATUS_OFFSET) // IO_BANK0_GPIO0_STATUS + // GPIO status + // 0x04000000 [26] : IRQTOPROC (0): interrupt to processors, after override is applied + // 0x01000000 [24] : IRQFROMPAD (0): interrupt from pad before override is applied + // 0x00080000 [19] : INTOPERI (0): input signal to peripheral, after override is applied + // 0x00020000 [17] : INFROMPAD (0): input signal from pad, before override is applied + // 0x00002000 [13] : OETOPAD (0): output enable to pad after register override is applied + // 0x00001000 [12] : OEFROMPERI (0): output enable from selected peripheral, before register override is applied + // 0x00000200 [9] : OUTTOPAD (0): output signal to pad after register override is applied + // 0x00000100 [8] : OUTFROMPERI (0): output signal from selected peripheral, before register override is applied + io_ro_32 status; + + _REG_(IO_BANK0_GPIO0_CTRL_OFFSET) // IO_BANK0_GPIO0_CTRL + // GPIO control including function select and overrides + // 0x30000000 [29:28] : IRQOVER (0) + // 0x00030000 [17:16] : INOVER (0) + // 0x00003000 [13:12] : OEOVER (0) + // 0x00000300 [9:8] : OUTOVER (0) + // 0x0000001f [4:0] : FUNCSEL (0x1f): 0-31 -> selects pin function according to the gpio table + io_rw_32 ctrl; +} io_status_ctrl_hw_t; + +typedef struct { + _REG_(IO_BANK0_PROC0_INTE0_OFFSET) // IO_BANK0_PROC0_INTE0 io_rw_32 inte[4]; + + _REG_(IO_BANK0_PROC0_INTF0_OFFSET) // IO_BANK0_PROC0_INTF0 io_rw_32 intf[4]; - io_rw_32 ints[4]; + + _REG_(IO_BANK0_PROC0_INTS0_OFFSET) // IO_BANK0_PROC0_INTS0 + io_ro_32 ints[4]; } io_irq_ctrl_hw_t; /// \tag::iobank0_hw[] typedef struct { - struct { - io_rw_32 status; - io_rw_32 ctrl; - } io[30]; + io_status_ctrl_hw_t io[NUM_BANK0_GPIOS]; // 30 + + _REG_(IO_BANK0_INTR0_OFFSET) // IO_BANK0_INTR0 io_rw_32 intr[4]; + io_irq_ctrl_hw_t proc0_irq_ctrl; + io_irq_ctrl_hw_t proc1_irq_ctrl; + io_irq_ctrl_hw_t dormant_wake_irq_ctrl; } iobank0_hw_t; -/// \end::iobank0_hw[] #define iobank0_hw ((iobank0_hw_t *const)IO_BANK0_BASE) +/// \end::iobank0_hw[] + +static_assert( NUM_BANK0_GPIOS == 30, ""); #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/ioqspi.h b/src/rp2040/hardware_structs/include/hardware/structs/ioqspi.h index 48d08a7..63ef3ba 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/ioqspi.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/ioqspi.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,16 +10,165 @@ #define _HARDWARE_STRUCTS_IOQSPI_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/io_qspi.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_io_qspi +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/io_qspi.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { - struct { - io_rw_32 status; - io_rw_32 ctrl; - } io[6]; + _REG_(IO_QSPI_GPIO_QSPI_SCLK_STATUS_OFFSET) // IO_QSPI_GPIO_QSPI_SCLK_STATUS + // GPIO status + // 0x04000000 [26] : IRQTOPROC (0): interrupt to processors, after override is applied + // 0x01000000 [24] : IRQFROMPAD (0): interrupt from pad before override is applied + // 0x00080000 [19] : INTOPERI (0): input signal to peripheral, after override is applied + // 0x00020000 [17] : INFROMPAD (0): input signal from pad, before override is applied + // 0x00002000 [13] : OETOPAD (0): output enable to pad after register override is applied + // 0x00001000 [12] : OEFROMPERI (0): output enable from selected peripheral, before register override is applied + // 0x00000200 [9] : OUTTOPAD (0): output signal to pad after register override is applied + // 0x00000100 [8] : OUTFROMPERI (0): output signal from selected peripheral, before register override is applied + io_ro_32 status; + + _REG_(IO_QSPI_GPIO_QSPI_SCLK_CTRL_OFFSET) // IO_QSPI_GPIO_QSPI_SCLK_CTRL + // GPIO control including function select and overrides + // 0x30000000 [29:28] : IRQOVER (0) + // 0x00030000 [17:16] : INOVER (0) + // 0x00003000 [13:12] : OEOVER (0) + // 0x00000300 [9:8] : OUTOVER (0) + // 0x0000001f [4:0] : FUNCSEL (0x1f): 0-31 -> selects pin function according to the gpio table + io_rw_32 ctrl; +} io_status_ctrl_hw_t; + +typedef struct { + _REG_(IO_QSPI_PROC0_INTE_OFFSET) // IO_QSPI_PROC0_INTE + // Interrupt Enable for proc0 + // 0x00800000 [23] : GPIO_QSPI_SD3_EDGE_HIGH (0) + // 0x00400000 [22] : GPIO_QSPI_SD3_EDGE_LOW (0) + // 0x00200000 [21] : GPIO_QSPI_SD3_LEVEL_HIGH (0) + // 0x00100000 [20] : GPIO_QSPI_SD3_LEVEL_LOW (0) + // 0x00080000 [19] : GPIO_QSPI_SD2_EDGE_HIGH (0) + // 0x00040000 [18] : GPIO_QSPI_SD2_EDGE_LOW (0) + // 0x00020000 [17] : GPIO_QSPI_SD2_LEVEL_HIGH (0) + // 0x00010000 [16] : GPIO_QSPI_SD2_LEVEL_LOW (0) + // 0x00008000 [15] : GPIO_QSPI_SD1_EDGE_HIGH (0) + // 0x00004000 [14] : GPIO_QSPI_SD1_EDGE_LOW (0) + // 0x00002000 [13] : GPIO_QSPI_SD1_LEVEL_HIGH (0) + // 0x00001000 [12] : GPIO_QSPI_SD1_LEVEL_LOW (0) + // 0x00000800 [11] : GPIO_QSPI_SD0_EDGE_HIGH (0) + // 0x00000400 [10] : GPIO_QSPI_SD0_EDGE_LOW (0) + // 0x00000200 [9] : GPIO_QSPI_SD0_LEVEL_HIGH (0) + // 0x00000100 [8] : GPIO_QSPI_SD0_LEVEL_LOW (0) + // 0x00000080 [7] : GPIO_QSPI_SS_EDGE_HIGH (0) + // 0x00000040 [6] : GPIO_QSPI_SS_EDGE_LOW (0) + // 0x00000020 [5] : GPIO_QSPI_SS_LEVEL_HIGH (0) + // 0x00000010 [4] : GPIO_QSPI_SS_LEVEL_LOW (0) + // 0x00000008 [3] : GPIO_QSPI_SCLK_EDGE_HIGH (0) + // 0x00000004 [2] : GPIO_QSPI_SCLK_EDGE_LOW (0) + // 0x00000002 [1] : GPIO_QSPI_SCLK_LEVEL_HIGH (0) + // 0x00000001 [0] : GPIO_QSPI_SCLK_LEVEL_LOW (0) + io_rw_32 inte; + + _REG_(IO_QSPI_PROC0_INTF_OFFSET) // IO_QSPI_PROC0_INTF + // Interrupt Force for proc0 + // 0x00800000 [23] : GPIO_QSPI_SD3_EDGE_HIGH (0) + // 0x00400000 [22] : GPIO_QSPI_SD3_EDGE_LOW (0) + // 0x00200000 [21] : GPIO_QSPI_SD3_LEVEL_HIGH (0) + // 0x00100000 [20] : GPIO_QSPI_SD3_LEVEL_LOW (0) + // 0x00080000 [19] : GPIO_QSPI_SD2_EDGE_HIGH (0) + // 0x00040000 [18] : GPIO_QSPI_SD2_EDGE_LOW (0) + // 0x00020000 [17] : GPIO_QSPI_SD2_LEVEL_HIGH (0) + // 0x00010000 [16] : GPIO_QSPI_SD2_LEVEL_LOW (0) + // 0x00008000 [15] : GPIO_QSPI_SD1_EDGE_HIGH (0) + // 0x00004000 [14] : GPIO_QSPI_SD1_EDGE_LOW (0) + // 0x00002000 [13] : GPIO_QSPI_SD1_LEVEL_HIGH (0) + // 0x00001000 [12] : GPIO_QSPI_SD1_LEVEL_LOW (0) + // 0x00000800 [11] : GPIO_QSPI_SD0_EDGE_HIGH (0) + // 0x00000400 [10] : GPIO_QSPI_SD0_EDGE_LOW (0) + // 0x00000200 [9] : GPIO_QSPI_SD0_LEVEL_HIGH (0) + // 0x00000100 [8] : GPIO_QSPI_SD0_LEVEL_LOW (0) + // 0x00000080 [7] : GPIO_QSPI_SS_EDGE_HIGH (0) + // 0x00000040 [6] : GPIO_QSPI_SS_EDGE_LOW (0) + // 0x00000020 [5] : GPIO_QSPI_SS_LEVEL_HIGH (0) + // 0x00000010 [4] : GPIO_QSPI_SS_LEVEL_LOW (0) + // 0x00000008 [3] : GPIO_QSPI_SCLK_EDGE_HIGH (0) + // 0x00000004 [2] : GPIO_QSPI_SCLK_EDGE_LOW (0) + // 0x00000002 [1] : GPIO_QSPI_SCLK_LEVEL_HIGH (0) + // 0x00000001 [0] : GPIO_QSPI_SCLK_LEVEL_LOW (0) + io_rw_32 intf; + + _REG_(IO_QSPI_PROC0_INTS_OFFSET) // IO_QSPI_PROC0_INTS + // Interrupt status after masking & forcing for proc0 + // 0x00800000 [23] : GPIO_QSPI_SD3_EDGE_HIGH (0) + // 0x00400000 [22] : GPIO_QSPI_SD3_EDGE_LOW (0) + // 0x00200000 [21] : GPIO_QSPI_SD3_LEVEL_HIGH (0) + // 0x00100000 [20] : GPIO_QSPI_SD3_LEVEL_LOW (0) + // 0x00080000 [19] : GPIO_QSPI_SD2_EDGE_HIGH (0) + // 0x00040000 [18] : GPIO_QSPI_SD2_EDGE_LOW (0) + // 0x00020000 [17] : GPIO_QSPI_SD2_LEVEL_HIGH (0) + // 0x00010000 [16] : GPIO_QSPI_SD2_LEVEL_LOW (0) + // 0x00008000 [15] : GPIO_QSPI_SD1_EDGE_HIGH (0) + // 0x00004000 [14] : GPIO_QSPI_SD1_EDGE_LOW (0) + // 0x00002000 [13] : GPIO_QSPI_SD1_LEVEL_HIGH (0) + // 0x00001000 [12] : GPIO_QSPI_SD1_LEVEL_LOW (0) + // 0x00000800 [11] : GPIO_QSPI_SD0_EDGE_HIGH (0) + // 0x00000400 [10] : GPIO_QSPI_SD0_EDGE_LOW (0) + // 0x00000200 [9] : GPIO_QSPI_SD0_LEVEL_HIGH (0) + // 0x00000100 [8] : GPIO_QSPI_SD0_LEVEL_LOW (0) + // 0x00000080 [7] : GPIO_QSPI_SS_EDGE_HIGH (0) + // 0x00000040 [6] : GPIO_QSPI_SS_EDGE_LOW (0) + // 0x00000020 [5] : GPIO_QSPI_SS_LEVEL_HIGH (0) + // 0x00000010 [4] : GPIO_QSPI_SS_LEVEL_LOW (0) + // 0x00000008 [3] : GPIO_QSPI_SCLK_EDGE_HIGH (0) + // 0x00000004 [2] : GPIO_QSPI_SCLK_EDGE_LOW (0) + // 0x00000002 [1] : GPIO_QSPI_SCLK_LEVEL_HIGH (0) + // 0x00000001 [0] : GPIO_QSPI_SCLK_LEVEL_LOW (0) + io_ro_32 ints; +} io_qspi_ctrl_hw_t; + +typedef struct { + io_status_ctrl_hw_t io[NUM_QSPI_GPIOS]; // 6 + + _REG_(IO_QSPI_INTR_OFFSET) // IO_QSPI_INTR + // Raw Interrupts + // 0x00800000 [23] : GPIO_QSPI_SD3_EDGE_HIGH (0) + // 0x00400000 [22] : GPIO_QSPI_SD3_EDGE_LOW (0) + // 0x00200000 [21] : GPIO_QSPI_SD3_LEVEL_HIGH (0) + // 0x00100000 [20] : GPIO_QSPI_SD3_LEVEL_LOW (0) + // 0x00080000 [19] : GPIO_QSPI_SD2_EDGE_HIGH (0) + // 0x00040000 [18] : GPIO_QSPI_SD2_EDGE_LOW (0) + // 0x00020000 [17] : GPIO_QSPI_SD2_LEVEL_HIGH (0) + // 0x00010000 [16] : GPIO_QSPI_SD2_LEVEL_LOW (0) + // 0x00008000 [15] : GPIO_QSPI_SD1_EDGE_HIGH (0) + // 0x00004000 [14] : GPIO_QSPI_SD1_EDGE_LOW (0) + // 0x00002000 [13] : GPIO_QSPI_SD1_LEVEL_HIGH (0) + // 0x00001000 [12] : GPIO_QSPI_SD1_LEVEL_LOW (0) + // 0x00000800 [11] : GPIO_QSPI_SD0_EDGE_HIGH (0) + // 0x00000400 [10] : GPIO_QSPI_SD0_EDGE_LOW (0) + // 0x00000200 [9] : GPIO_QSPI_SD0_LEVEL_HIGH (0) + // 0x00000100 [8] : GPIO_QSPI_SD0_LEVEL_LOW (0) + // 0x00000080 [7] : GPIO_QSPI_SS_EDGE_HIGH (0) + // 0x00000040 [6] : GPIO_QSPI_SS_EDGE_LOW (0) + // 0x00000020 [5] : GPIO_QSPI_SS_LEVEL_HIGH (0) + // 0x00000010 [4] : GPIO_QSPI_SS_LEVEL_LOW (0) + // 0x00000008 [3] : GPIO_QSPI_SCLK_EDGE_HIGH (0) + // 0x00000004 [2] : GPIO_QSPI_SCLK_EDGE_LOW (0) + // 0x00000002 [1] : GPIO_QSPI_SCLK_LEVEL_HIGH (0) + // 0x00000001 [0] : GPIO_QSPI_SCLK_LEVEL_LOW (0) + io_rw_32 intr; + + io_qspi_ctrl_hw_t proc0_qspi_ctrl; + + io_qspi_ctrl_hw_t proc1_qspi_ctrl; + + io_qspi_ctrl_hw_t dormant_wake_qspi_ctrl; } ioqspi_hw_t; #define ioqspi_hw ((ioqspi_hw_t *const)IO_QSPI_BASE) +static_assert( NUM_QSPI_GPIOS == 6, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/mpu.h b/src/rp2040/hardware_structs/include/hardware/structs/mpu.h index 34e5c39..6c9d868 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/mpu.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/mpu.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,11 +12,47 @@ #include "hardware/address_mapped.h" #include "hardware/regs/m0plus.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_m0plus +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/m0plus.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(M0PLUS_MPU_TYPE_OFFSET) // M0PLUS_MPU_TYPE + // Read the MPU Type Register to determine if the processor implements an MPU, and how many regions the MPU supports + // 0x00ff0000 [23:16] : IREGION (0): Instruction region + // 0x0000ff00 [15:8] : DREGION (0x8): Number of regions supported by the MPU + // 0x00000001 [0] : SEPARATE (0): Indicates support for separate instruction and data address maps io_ro_32 type; + + _REG_(M0PLUS_MPU_CTRL_OFFSET) // M0PLUS_MPU_CTRL + // Use the MPU Control Register to enable and disable the MPU, and to control whether the default memory map is enabled... + // 0x00000004 [2] : PRIVDEFENA (0): Controls whether the default memory map is enabled as a background region for... + // 0x00000002 [1] : HFNMIENA (0): Controls the use of the MPU for HardFaults and NMIs + // 0x00000001 [0] : ENABLE (0): Enables the MPU io_rw_32 ctrl; + + _REG_(M0PLUS_MPU_RNR_OFFSET) // M0PLUS_MPU_RNR + // Use the MPU Region Number Register to select the region currently accessed by MPU_RBAR and MPU_RASR + // 0x0000000f [3:0] : REGION (0): Indicates the MPU region referenced by the MPU_RBAR and MPU_RASR registers io_rw_32 rnr; + + _REG_(M0PLUS_MPU_RBAR_OFFSET) // M0PLUS_MPU_RBAR + // Read the MPU Region Base Address Register to determine the base address of the region identified by MPU_RNR + // 0xffffff00 [31:8] : ADDR (0): Base address of the region + // 0x00000010 [4] : VALID (0): On writes, indicates whether the write must update the base address of the region... + // 0x0000000f [3:0] : REGION (0): On writes, specifies the number of the region whose base address to update provided... io_rw_32 rbar; + + _REG_(M0PLUS_MPU_RASR_OFFSET) // M0PLUS_MPU_RASR + // Use the MPU Region Attribute and Size Register to define the size, access behaviour and memory type of the region... + // 0xffff0000 [31:16] : ATTRS (0): The MPU Region Attribute field + // 0x0000ff00 [15:8] : SRD (0): Subregion Disable + // 0x0000003e [5:1] : SIZE (0): Indicates the region size + // 0x00000001 [0] : ENABLE (0): Enables the region io_rw_32 rasr; } mpu_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/pads_qspi.h b/src/rp2040/hardware_structs/include/hardware/structs/pads_qspi.h index 451d7eb..02a694a 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/pads_qspi.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/pads_qspi.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,14 +10,28 @@ #define _HARDWARE_STRUCTS_PADS_QSPI_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/pads_qspi.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_pads_qspi +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/pads_qspi.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(PADS_QSPI_VOLTAGE_SELECT_OFFSET) // PADS_QSPI_VOLTAGE_SELECT + // Voltage select + // 0x00000001 [0] : VOLTAGE_SELECT (0) io_rw_32 voltage_select; - io_rw_32 io[6]; + + _REG_(PADS_QSPI_GPIO_QSPI_SCLK_OFFSET) // PADS_QSPI_GPIO_QSPI_SCLK + io_rw_32 io[NUM_QSPI_GPIOS]; // 6 } pads_qspi_hw_t; #define pads_qspi_hw ((pads_qspi_hw_t *const)PADS_QSPI_BASE) +static_assert( NUM_QSPI_GPIOS == 6, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/padsbank0.h b/src/rp2040/hardware_structs/include/hardware/structs/padsbank0.h index f56dc40..57d0442 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/padsbank0.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/padsbank0.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,14 +10,28 @@ #define _HARDWARE_STRUCTS_PADSBANK0_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/pads_bank0.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_pads_bank0 +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/pads_bank0.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(PADS_BANK0_VOLTAGE_SELECT_OFFSET) // PADS_BANK0_VOLTAGE_SELECT + // Voltage select + // 0x00000001 [0] : VOLTAGE_SELECT (0) io_rw_32 voltage_select; - io_rw_32 io[30]; + + _REG_(PADS_BANK0_GPIO0_OFFSET) // PADS_BANK0_GPIO0 + io_rw_32 io[NUM_BANK0_GPIOS]; // 30 } padsbank0_hw_t; -#define padsbank0_hw ((padsbank0_hw_t *)PADS_BANK0_BASE) +#define padsbank0_hw ((padsbank0_hw_t *const)PADS_BANK0_BASE) + +static_assert( NUM_BANK0_GPIOS == 30, ""); #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/pio.h b/src/rp2040/hardware_structs/include/hardware/structs/pio.h index 176863b..925a06f 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/pio.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/pio.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,41 +10,265 @@ #define _HARDWARE_STRUCTS_PIO_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/pio.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_pio +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/pio.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + +typedef struct pio_sm_hw { + _REG_(PIO_SM0_CLKDIV_OFFSET) // PIO_SM0_CLKDIV + // Clock divisor register for state machine 0 + // 0xffff0000 [31:16] : INT (1): Effective frequency is sysclk/(int + frac/256) + // 0x0000ff00 [15:8] : FRAC (0): Fractional part of clock divisor + io_rw_32 clkdiv; + + _REG_(PIO_SM0_EXECCTRL_OFFSET) // PIO_SM0_EXECCTRL + // Execution/behavioural settings for state machine 0 + // 0x80000000 [31] : EXEC_STALLED (0): If 1, an instruction written to SMx_INSTR is stalled, and latched by the state machine + // 0x40000000 [30] : SIDE_EN (0): If 1, the MSB of the Delay/Side-set instruction field is used as side-set enable,... + // 0x20000000 [29] : SIDE_PINDIR (0): If 1, side-set data is asserted to pin directions, instead of pin values + // 0x1f000000 [28:24] : JMP_PIN (0): The GPIO number to use as condition for JMP PIN + // 0x00f80000 [23:19] : OUT_EN_SEL (0): Which data bit to use for inline OUT enable + // 0x00040000 [18] : INLINE_OUT_EN (0): If 1, use a bit of OUT data as an auxiliary write enable + // 0x00020000 [17] : OUT_STICKY (0): Continuously assert the most recent OUT/SET to the pins + // 0x0001f000 [16:12] : WRAP_TOP (0x1f): After reaching this address, execution is wrapped to wrap_bottom + // 0x00000f80 [11:7] : WRAP_BOTTOM (0): After reaching wrap_top, execution is wrapped to this address + // 0x00000010 [4] : STATUS_SEL (0): Comparison used for the MOV x, STATUS instruction + // 0x0000000f [3:0] : STATUS_N (0): Comparison level for the MOV x, STATUS instruction + io_rw_32 execctrl; + + _REG_(PIO_SM0_SHIFTCTRL_OFFSET) // PIO_SM0_SHIFTCTRL + // Control behaviour of the input/output shift registers for state machine 0 + // 0x80000000 [31] : FJOIN_RX (0): When 1, RX FIFO steals the TX FIFO's storage, and becomes twice as deep + // 0x40000000 [30] : FJOIN_TX (0): When 1, TX FIFO steals the RX FIFO's storage, and becomes twice as deep + // 0x3e000000 [29:25] : PULL_THRESH (0): Number of bits shifted out of OSR before autopull, or conditional pull (PULL... + // 0x01f00000 [24:20] : PUSH_THRESH (0): Number of bits shifted into ISR before autopush, or conditional push (PUSH... + // 0x00080000 [19] : OUT_SHIFTDIR (1): 1 = shift out of output shift register to right + // 0x00040000 [18] : IN_SHIFTDIR (1): 1 = shift input shift register to right (data enters from left) + // 0x00020000 [17] : AUTOPULL (0): Pull automatically when the output shift register is emptied, i + // 0x00010000 [16] : AUTOPUSH (0): Push automatically when the input shift register is filled, i + io_rw_32 shiftctrl; + + _REG_(PIO_SM0_ADDR_OFFSET) // PIO_SM0_ADDR + // Current instruction address of state machine 0 + // 0x0000001f [4:0] : SM0_ADDR (0) + io_ro_32 addr; + + _REG_(PIO_SM0_INSTR_OFFSET) // PIO_SM0_INSTR + // Read to see the instruction currently addressed by state machine 0's program counter + // 0x0000ffff [15:0] : SM0_INSTR (0) + io_rw_32 instr; + + _REG_(PIO_SM0_PINCTRL_OFFSET) // PIO_SM0_PINCTRL + // State machine pin control + // 0xe0000000 [31:29] : SIDESET_COUNT (0): The number of MSBs of the Delay/Side-set instruction field which are used... + // 0x1c000000 [28:26] : SET_COUNT (0x5): The number of pins asserted by a SET + // 0x03f00000 [25:20] : OUT_COUNT (0): The number of pins asserted by an OUT PINS, OUT PINDIRS or MOV PINS instruction + // 0x000f8000 [19:15] : IN_BASE (0): The pin which is mapped to the least-significant bit of a state machine's IN data bus + // 0x00007c00 [14:10] : SIDESET_BASE (0): The lowest-numbered pin that will be affected by a side-set operation + // 0x000003e0 [9:5] : SET_BASE (0): The lowest-numbered pin that will be affected by a SET PINS or SET PINDIRS instruction + // 0x0000001f [4:0] : OUT_BASE (0): The lowest-numbered pin that will be affected by an OUT PINS, OUT PINDIRS or MOV... + io_rw_32 pinctrl; +} pio_sm_hw_t; + typedef struct { + _REG_(PIO_CTRL_OFFSET) // PIO_CTRL + // PIO control register + // 0x00000f00 [11:8] : CLKDIV_RESTART (0): Restart a state machine's clock divider from an initial phase of 0 + // 0x000000f0 [7:4] : SM_RESTART (0): Write 1 to instantly clear internal SM state which may be otherwise difficult... + // 0x0000000f [3:0] : SM_ENABLE (0): Enable/disable each of the four state machines by writing 1/0 to each of these four bits io_rw_32 ctrl; + + _REG_(PIO_FSTAT_OFFSET) // PIO_FSTAT + // FIFO status register + // 0x0f000000 [27:24] : TXEMPTY (0xf): State machine TX FIFO is empty + // 0x000f0000 [19:16] : TXFULL (0): State machine TX FIFO is full + // 0x00000f00 [11:8] : RXEMPTY (0xf): State machine RX FIFO is empty + // 0x0000000f [3:0] : RXFULL (0): State machine RX FIFO is full io_ro_32 fstat; + + _REG_(PIO_FDEBUG_OFFSET) // PIO_FDEBUG + // FIFO debug register + // 0x0f000000 [27:24] : TXSTALL (0): State machine has stalled on empty TX FIFO during a blocking PULL, or an OUT with... + // 0x000f0000 [19:16] : TXOVER (0): TX FIFO overflow (i + // 0x00000f00 [11:8] : RXUNDER (0): RX FIFO underflow (i + // 0x0000000f [3:0] : RXSTALL (0): State machine has stalled on full RX FIFO during a blocking PUSH, or an IN with... io_rw_32 fdebug; + + _REG_(PIO_FLEVEL_OFFSET) // PIO_FLEVEL + // FIFO levels + // 0xf0000000 [31:28] : RX3 (0) + // 0x0f000000 [27:24] : TX3 (0) + // 0x00f00000 [23:20] : RX2 (0) + // 0x000f0000 [19:16] : TX2 (0) + // 0x0000f000 [15:12] : RX1 (0) + // 0x00000f00 [11:8] : TX1 (0) + // 0x000000f0 [7:4] : RX0 (0) + // 0x0000000f [3:0] : TX0 (0) io_ro_32 flevel; - io_wo_32 txf[NUM_PIO_STATE_MACHINES]; - io_ro_32 rxf[NUM_PIO_STATE_MACHINES]; + + _REG_(PIO_TXF0_OFFSET) // PIO_TXF0 + io_wo_32 txf[NUM_PIO_STATE_MACHINES]; // 4 + + _REG_(PIO_RXF0_OFFSET) // PIO_RXF0 + io_ro_32 rxf[NUM_PIO_STATE_MACHINES]; // 4 + + _REG_(PIO_IRQ_OFFSET) // PIO_IRQ + // State machine IRQ flags register + // 0x000000ff [7:0] : IRQ (0) io_rw_32 irq; + + _REG_(PIO_IRQ_FORCE_OFFSET) // PIO_IRQ_FORCE + // Writing a 1 to each of these bits will forcibly assert the corresponding IRQ + // 0x000000ff [7:0] : IRQ_FORCE (0) io_wo_32 irq_force; + + _REG_(PIO_INPUT_SYNC_BYPASS_OFFSET) // PIO_INPUT_SYNC_BYPASS + // There is a 2-flipflop synchronizer on each GPIO input, which protects PIO logic from metastabilities io_rw_32 input_sync_bypass; - io_rw_32 dbg_padout; - io_rw_32 dbg_padoe; - io_rw_32 dbg_cfginfo; - io_wo_32 instr_mem[32]; - struct pio_sm_hw { - io_rw_32 clkdiv; - io_rw_32 execctrl; - io_rw_32 shiftctrl; - io_ro_32 addr; - io_rw_32 instr; - io_rw_32 pinctrl; - } sm[NUM_PIO_STATE_MACHINES]; - io_rw_32 intr; + + _REG_(PIO_DBG_PADOUT_OFFSET) // PIO_DBG_PADOUT + // Read to sample the pad output values PIO is currently driving to the GPIOs + io_ro_32 dbg_padout; + + _REG_(PIO_DBG_PADOE_OFFSET) // PIO_DBG_PADOE + // Read to sample the pad output enables (direction) PIO is currently driving to the GPIOs + io_ro_32 dbg_padoe; + + _REG_(PIO_DBG_CFGINFO_OFFSET) // PIO_DBG_CFGINFO + // The PIO hardware has some free parameters that may vary between chip products + // 0x003f0000 [21:16] : IMEM_SIZE (0): The size of the instruction memory, measured in units of one instruction + // 0x00000f00 [11:8] : SM_COUNT (0): The number of state machines this PIO instance is equipped with + // 0x0000003f [5:0] : FIFO_DEPTH (0): The depth of the state machine TX/RX FIFOs, measured in words + io_ro_32 dbg_cfginfo; + + _REG_(PIO_INSTR_MEM0_OFFSET) // PIO_INSTR_MEM0 + io_wo_32 instr_mem[PIO_INSTRUCTION_COUNT]; // 32 + + pio_sm_hw_t sm[NUM_PIO_STATE_MACHINES]; // 4 + + _REG_(PIO_INTR_OFFSET) // PIO_INTR + // Raw Interrupts + // 0x00000800 [11] : SM3 (0) + // 0x00000400 [10] : SM2 (0) + // 0x00000200 [9] : SM1 (0) + // 0x00000100 [8] : SM0 (0) + // 0x00000080 [7] : SM3_TXNFULL (0) + // 0x00000040 [6] : SM2_TXNFULL (0) + // 0x00000020 [5] : SM1_TXNFULL (0) + // 0x00000010 [4] : SM0_TXNFULL (0) + // 0x00000008 [3] : SM3_RXNEMPTY (0) + // 0x00000004 [2] : SM2_RXNEMPTY (0) + // 0x00000002 [1] : SM1_RXNEMPTY (0) + // 0x00000001 [0] : SM0_RXNEMPTY (0) + io_ro_32 intr; + + _REG_(PIO_IRQ0_INTE_OFFSET) // PIO_IRQ0_INTE + // Interrupt Enable for irq0 + // 0x00000800 [11] : SM3 (0) + // 0x00000400 [10] : SM2 (0) + // 0x00000200 [9] : SM1 (0) + // 0x00000100 [8] : SM0 (0) + // 0x00000080 [7] : SM3_TXNFULL (0) + // 0x00000040 [6] : SM2_TXNFULL (0) + // 0x00000020 [5] : SM1_TXNFULL (0) + // 0x00000010 [4] : SM0_TXNFULL (0) + // 0x00000008 [3] : SM3_RXNEMPTY (0) + // 0x00000004 [2] : SM2_RXNEMPTY (0) + // 0x00000002 [1] : SM1_RXNEMPTY (0) + // 0x00000001 [0] : SM0_RXNEMPTY (0) io_rw_32 inte0; + + _REG_(PIO_IRQ0_INTF_OFFSET) // PIO_IRQ0_INTF + // Interrupt Force for irq0 + // 0x00000800 [11] : SM3 (0) + // 0x00000400 [10] : SM2 (0) + // 0x00000200 [9] : SM1 (0) + // 0x00000100 [8] : SM0 (0) + // 0x00000080 [7] : SM3_TXNFULL (0) + // 0x00000040 [6] : SM2_TXNFULL (0) + // 0x00000020 [5] : SM1_TXNFULL (0) + // 0x00000010 [4] : SM0_TXNFULL (0) + // 0x00000008 [3] : SM3_RXNEMPTY (0) + // 0x00000004 [2] : SM2_RXNEMPTY (0) + // 0x00000002 [1] : SM1_RXNEMPTY (0) + // 0x00000001 [0] : SM0_RXNEMPTY (0) io_rw_32 intf0; + + _REG_(PIO_IRQ0_INTS_OFFSET) // PIO_IRQ0_INTS + // Interrupt status after masking & forcing for irq0 + // 0x00000800 [11] : SM3 (0) + // 0x00000400 [10] : SM2 (0) + // 0x00000200 [9] : SM1 (0) + // 0x00000100 [8] : SM0 (0) + // 0x00000080 [7] : SM3_TXNFULL (0) + // 0x00000040 [6] : SM2_TXNFULL (0) + // 0x00000020 [5] : SM1_TXNFULL (0) + // 0x00000010 [4] : SM0_TXNFULL (0) + // 0x00000008 [3] : SM3_RXNEMPTY (0) + // 0x00000004 [2] : SM2_RXNEMPTY (0) + // 0x00000002 [1] : SM1_RXNEMPTY (0) + // 0x00000001 [0] : SM0_RXNEMPTY (0) io_ro_32 ints0; + + _REG_(PIO_IRQ1_INTE_OFFSET) // PIO_IRQ1_INTE + // Interrupt Enable for irq1 + // 0x00000800 [11] : SM3 (0) + // 0x00000400 [10] : SM2 (0) + // 0x00000200 [9] : SM1 (0) + // 0x00000100 [8] : SM0 (0) + // 0x00000080 [7] : SM3_TXNFULL (0) + // 0x00000040 [6] : SM2_TXNFULL (0) + // 0x00000020 [5] : SM1_TXNFULL (0) + // 0x00000010 [4] : SM0_TXNFULL (0) + // 0x00000008 [3] : SM3_RXNEMPTY (0) + // 0x00000004 [2] : SM2_RXNEMPTY (0) + // 0x00000002 [1] : SM1_RXNEMPTY (0) + // 0x00000001 [0] : SM0_RXNEMPTY (0) io_rw_32 inte1; + + _REG_(PIO_IRQ1_INTF_OFFSET) // PIO_IRQ1_INTF + // Interrupt Force for irq1 + // 0x00000800 [11] : SM3 (0) + // 0x00000400 [10] : SM2 (0) + // 0x00000200 [9] : SM1 (0) + // 0x00000100 [8] : SM0 (0) + // 0x00000080 [7] : SM3_TXNFULL (0) + // 0x00000040 [6] : SM2_TXNFULL (0) + // 0x00000020 [5] : SM1_TXNFULL (0) + // 0x00000010 [4] : SM0_TXNFULL (0) + // 0x00000008 [3] : SM3_RXNEMPTY (0) + // 0x00000004 [2] : SM2_RXNEMPTY (0) + // 0x00000002 [1] : SM1_RXNEMPTY (0) + // 0x00000001 [0] : SM0_RXNEMPTY (0) io_rw_32 intf1; + + _REG_(PIO_IRQ1_INTS_OFFSET) // PIO_IRQ1_INTS + // Interrupt status after masking & forcing for irq1 + // 0x00000800 [11] : SM3 (0) + // 0x00000400 [10] : SM2 (0) + // 0x00000200 [9] : SM1 (0) + // 0x00000100 [8] : SM0 (0) + // 0x00000080 [7] : SM3_TXNFULL (0) + // 0x00000040 [6] : SM2_TXNFULL (0) + // 0x00000020 [5] : SM1_TXNFULL (0) + // 0x00000010 [4] : SM0_TXNFULL (0) + // 0x00000008 [3] : SM3_RXNEMPTY (0) + // 0x00000004 [2] : SM2_RXNEMPTY (0) + // 0x00000002 [1] : SM1_RXNEMPTY (0) + // 0x00000001 [0] : SM0_RXNEMPTY (0) io_ro_32 ints1; } pio_hw_t; #define pio0_hw ((pio_hw_t *const)PIO0_BASE) #define pio1_hw ((pio_hw_t *const)PIO1_BASE) +static_assert( NUM_PIO_STATE_MACHINES == 4, ""); +static_assert( PIO_INSTRUCTION_COUNT == 32, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/pll.h b/src/rp2040/hardware_structs/include/hardware/structs/pll.h index 4d5b5b7..2b1bd95 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/pll.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/pll.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,11 +12,40 @@ #include "hardware/address_mapped.h" #include "hardware/regs/pll.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_pll +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/pll.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + /// \tag::pll_hw[] typedef struct { + _REG_(PLL_CS_OFFSET) // PLL_CS + // Control and Status + // 0x80000000 [31] : LOCK (0): PLL is locked + // 0x00000100 [8] : BYPASS (0): Passes the reference clock to the output instead of the divided VCO + // 0x0000003f [5:0] : REFDIV (1): Divides the PLL input reference clock io_rw_32 cs; + + _REG_(PLL_PWR_OFFSET) // PLL_PWR + // Controls the PLL power modes + // 0x00000020 [5] : VCOPD (1): PLL VCO powerdown + // 0x00000008 [3] : POSTDIVPD (1): PLL post divider powerdown + // 0x00000004 [2] : DSMPD (1): PLL DSM powerdown + // 0x00000001 [0] : PD (1): PLL powerdown io_rw_32 pwr; + + _REG_(PLL_FBDIV_INT_OFFSET) // PLL_FBDIV_INT + // Feedback divisor + // 0x00000fff [11:0] : FBDIV_INT (0): see ctrl reg description for constraints io_rw_32 fbdiv_int; + + _REG_(PLL_PRIM_OFFSET) // PLL_PRIM + // Controls the PLL post dividers for the primary output + // 0x00070000 [18:16] : POSTDIV1 (0x7): divide by 1-7 + // 0x00007000 [14:12] : POSTDIV2 (0x7): divide by 1-7 io_rw_32 prim; } pll_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/psm.h b/src/rp2040/hardware_structs/include/hardware/structs/psm.h index cc9fb97..240fbe2 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/psm.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/psm.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,14 +10,100 @@ #define _HARDWARE_STRUCTS_PSM_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/psm.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_psm +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/psm.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(PSM_FRCE_ON_OFFSET) // PSM_FRCE_ON + // Force block out of reset (i + // 0x00010000 [16] : proc1 (0) + // 0x00008000 [15] : proc0 (0) + // 0x00004000 [14] : sio (0) + // 0x00002000 [13] : vreg_and_chip_reset (0) + // 0x00001000 [12] : xip (0) + // 0x00000800 [11] : sram5 (0) + // 0x00000400 [10] : sram4 (0) + // 0x00000200 [9] : sram3 (0) + // 0x00000100 [8] : sram2 (0) + // 0x00000080 [7] : sram1 (0) + // 0x00000040 [6] : sram0 (0) + // 0x00000020 [5] : rom (0) + // 0x00000010 [4] : busfabric (0) + // 0x00000008 [3] : resets (0) + // 0x00000004 [2] : clocks (0) + // 0x00000002 [1] : xosc (0) + // 0x00000001 [0] : rosc (0) io_rw_32 frce_on; + + _REG_(PSM_FRCE_OFF_OFFSET) // PSM_FRCE_OFF + // Force into reset (i + // 0x00010000 [16] : proc1 (0) + // 0x00008000 [15] : proc0 (0) + // 0x00004000 [14] : sio (0) + // 0x00002000 [13] : vreg_and_chip_reset (0) + // 0x00001000 [12] : xip (0) + // 0x00000800 [11] : sram5 (0) + // 0x00000400 [10] : sram4 (0) + // 0x00000200 [9] : sram3 (0) + // 0x00000100 [8] : sram2 (0) + // 0x00000080 [7] : sram1 (0) + // 0x00000040 [6] : sram0 (0) + // 0x00000020 [5] : rom (0) + // 0x00000010 [4] : busfabric (0) + // 0x00000008 [3] : resets (0) + // 0x00000004 [2] : clocks (0) + // 0x00000002 [1] : xosc (0) + // 0x00000001 [0] : rosc (0) io_rw_32 frce_off; + + _REG_(PSM_WDSEL_OFFSET) // PSM_WDSEL + // Set to 1 if this peripheral should be reset when the watchdog fires + // 0x00010000 [16] : proc1 (0) + // 0x00008000 [15] : proc0 (0) + // 0x00004000 [14] : sio (0) + // 0x00002000 [13] : vreg_and_chip_reset (0) + // 0x00001000 [12] : xip (0) + // 0x00000800 [11] : sram5 (0) + // 0x00000400 [10] : sram4 (0) + // 0x00000200 [9] : sram3 (0) + // 0x00000100 [8] : sram2 (0) + // 0x00000080 [7] : sram1 (0) + // 0x00000040 [6] : sram0 (0) + // 0x00000020 [5] : rom (0) + // 0x00000010 [4] : busfabric (0) + // 0x00000008 [3] : resets (0) + // 0x00000004 [2] : clocks (0) + // 0x00000002 [1] : xosc (0) + // 0x00000001 [0] : rosc (0) io_rw_32 wdsel; - io_rw_32 done; + + _REG_(PSM_DONE_OFFSET) // PSM_DONE + // Indicates the peripheral's registers are ready to access + // 0x00010000 [16] : proc1 (0) + // 0x00008000 [15] : proc0 (0) + // 0x00004000 [14] : sio (0) + // 0x00002000 [13] : vreg_and_chip_reset (0) + // 0x00001000 [12] : xip (0) + // 0x00000800 [11] : sram5 (0) + // 0x00000400 [10] : sram4 (0) + // 0x00000200 [9] : sram3 (0) + // 0x00000100 [8] : sram2 (0) + // 0x00000080 [7] : sram1 (0) + // 0x00000040 [6] : sram0 (0) + // 0x00000020 [5] : rom (0) + // 0x00000010 [4] : busfabric (0) + // 0x00000008 [3] : resets (0) + // 0x00000004 [2] : clocks (0) + // 0x00000002 [1] : xosc (0) + // 0x00000001 [0] : rosc (0) + io_ro_32 done; } psm_hw_t; #define psm_hw ((psm_hw_t *const)PSM_BASE) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/pwm.h b/src/rp2040/hardware_structs/include/hardware/structs/pwm.h index 5499561..259e7d1 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/pwm.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/pwm.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,26 +10,117 @@ #define _HARDWARE_STRUCTS_PWM_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/pwm.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_pwm +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/pwm.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct pwm_slice_hw { + _REG_(PWM_CH0_CSR_OFFSET) // PWM_CH0_CSR + // Control and status register + // 0x00000080 [7] : PH_ADV (0): Advance the phase of the counter by 1 count, while it is running + // 0x00000040 [6] : PH_RET (0): Retard the phase of the counter by 1 count, while it is running + // 0x00000030 [5:4] : DIVMODE (0) + // 0x00000008 [3] : B_INV (0): Invert output B + // 0x00000004 [2] : A_INV (0): Invert output A + // 0x00000002 [1] : PH_CORRECT (0): 1: Enable phase-correct modulation + // 0x00000001 [0] : EN (0): Enable the PWM channel io_rw_32 csr; + + _REG_(PWM_CH0_DIV_OFFSET) // PWM_CH0_DIV + // INT and FRAC form a fixed-point fractional number + // 0x00000ff0 [11:4] : INT (1) + // 0x0000000f [3:0] : FRAC (0) io_rw_32 div; + + _REG_(PWM_CH0_CTR_OFFSET) // PWM_CH0_CTR + // Direct access to the PWM counter + // 0x0000ffff [15:0] : CH0_CTR (0) io_rw_32 ctr; + + _REG_(PWM_CH0_CC_OFFSET) // PWM_CH0_CC + // Counter compare values + // 0xffff0000 [31:16] : B (0) + // 0x0000ffff [15:0] : A (0) io_rw_32 cc; + + _REG_(PWM_CH0_TOP_OFFSET) // PWM_CH0_TOP + // Counter wrap value + // 0x0000ffff [15:0] : CH0_TOP (0xffff) io_rw_32 top; } pwm_slice_hw_t; typedef struct { - pwm_slice_hw_t slice[NUM_PWM_SLICES]; + pwm_slice_hw_t slice[NUM_PWM_SLICES]; // 8 + + _REG_(PWM_EN_OFFSET) // PWM_EN + // This register aliases the CSR_EN bits for all channels + // 0x00000080 [7] : CH7 (0) + // 0x00000040 [6] : CH6 (0) + // 0x00000020 [5] : CH5 (0) + // 0x00000010 [4] : CH4 (0) + // 0x00000008 [3] : CH3 (0) + // 0x00000004 [2] : CH2 (0) + // 0x00000002 [1] : CH1 (0) + // 0x00000001 [0] : CH0 (0) io_rw_32 en; + + _REG_(PWM_INTR_OFFSET) // PWM_INTR + // Raw Interrupts + // 0x00000080 [7] : CH7 (0) + // 0x00000040 [6] : CH6 (0) + // 0x00000020 [5] : CH5 (0) + // 0x00000010 [4] : CH4 (0) + // 0x00000008 [3] : CH3 (0) + // 0x00000004 [2] : CH2 (0) + // 0x00000002 [1] : CH1 (0) + // 0x00000001 [0] : CH0 (0) io_rw_32 intr; + + _REG_(PWM_INTE_OFFSET) // PWM_INTE + // Interrupt Enable + // 0x00000080 [7] : CH7 (0) + // 0x00000040 [6] : CH6 (0) + // 0x00000020 [5] : CH5 (0) + // 0x00000010 [4] : CH4 (0) + // 0x00000008 [3] : CH3 (0) + // 0x00000004 [2] : CH2 (0) + // 0x00000002 [1] : CH1 (0) + // 0x00000001 [0] : CH0 (0) io_rw_32 inte; + + _REG_(PWM_INTF_OFFSET) // PWM_INTF + // Interrupt Force + // 0x00000080 [7] : CH7 (0) + // 0x00000040 [6] : CH6 (0) + // 0x00000020 [5] : CH5 (0) + // 0x00000010 [4] : CH4 (0) + // 0x00000008 [3] : CH3 (0) + // 0x00000004 [2] : CH2 (0) + // 0x00000002 [1] : CH1 (0) + // 0x00000001 [0] : CH0 (0) io_rw_32 intf; - io_rw_32 ints; + + _REG_(PWM_INTS_OFFSET) // PWM_INTS + // Interrupt status after masking & forcing + // 0x00000080 [7] : CH7 (0) + // 0x00000040 [6] : CH6 (0) + // 0x00000020 [5] : CH5 (0) + // 0x00000010 [4] : CH4 (0) + // 0x00000008 [3] : CH3 (0) + // 0x00000004 [2] : CH2 (0) + // 0x00000002 [1] : CH1 (0) + // 0x00000001 [0] : CH0 (0) + io_ro_32 ints; } pwm_hw_t; #define pwm_hw ((pwm_hw_t *const)PWM_BASE) +static_assert( NUM_PWM_SLICES == 8, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/resets.h b/src/rp2040/hardware_structs/include/hardware/structs/resets.h index a96ddeb..bbb33e5 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/resets.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/resets.h @@ -1,19 +1,113 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ + #ifndef _HARDWARE_STRUCTS_RESETS_H #define _HARDWARE_STRUCTS_RESETS_H #include "hardware/address_mapped.h" #include "hardware/regs/resets.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_resets +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/resets.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + /// \tag::resets_hw[] typedef struct { + _REG_(RESETS_RESET_OFFSET) // RESETS_RESET + // Reset control + // 0x01000000 [24] : usbctrl (1) + // 0x00800000 [23] : uart1 (1) + // 0x00400000 [22] : uart0 (1) + // 0x00200000 [21] : timer (1) + // 0x00100000 [20] : tbman (1) + // 0x00080000 [19] : sysinfo (1) + // 0x00040000 [18] : syscfg (1) + // 0x00020000 [17] : spi1 (1) + // 0x00010000 [16] : spi0 (1) + // 0x00008000 [15] : rtc (1) + // 0x00004000 [14] : pwm (1) + // 0x00002000 [13] : pll_usb (1) + // 0x00001000 [12] : pll_sys (1) + // 0x00000800 [11] : pio1 (1) + // 0x00000400 [10] : pio0 (1) + // 0x00000200 [9] : pads_qspi (1) + // 0x00000100 [8] : pads_bank0 (1) + // 0x00000080 [7] : jtag (1) + // 0x00000040 [6] : io_qspi (1) + // 0x00000020 [5] : io_bank0 (1) + // 0x00000010 [4] : i2c1 (1) + // 0x00000008 [3] : i2c0 (1) + // 0x00000004 [2] : dma (1) + // 0x00000002 [1] : busctrl (1) + // 0x00000001 [0] : adc (1) io_rw_32 reset; + + _REG_(RESETS_WDSEL_OFFSET) // RESETS_WDSEL + // Watchdog select + // 0x01000000 [24] : usbctrl (0) + // 0x00800000 [23] : uart1 (0) + // 0x00400000 [22] : uart0 (0) + // 0x00200000 [21] : timer (0) + // 0x00100000 [20] : tbman (0) + // 0x00080000 [19] : sysinfo (0) + // 0x00040000 [18] : syscfg (0) + // 0x00020000 [17] : spi1 (0) + // 0x00010000 [16] : spi0 (0) + // 0x00008000 [15] : rtc (0) + // 0x00004000 [14] : pwm (0) + // 0x00002000 [13] : pll_usb (0) + // 0x00001000 [12] : pll_sys (0) + // 0x00000800 [11] : pio1 (0) + // 0x00000400 [10] : pio0 (0) + // 0x00000200 [9] : pads_qspi (0) + // 0x00000100 [8] : pads_bank0 (0) + // 0x00000080 [7] : jtag (0) + // 0x00000040 [6] : io_qspi (0) + // 0x00000020 [5] : io_bank0 (0) + // 0x00000010 [4] : i2c1 (0) + // 0x00000008 [3] : i2c0 (0) + // 0x00000004 [2] : dma (0) + // 0x00000002 [1] : busctrl (0) + // 0x00000001 [0] : adc (0) io_rw_32 wdsel; - io_rw_32 reset_done; + + _REG_(RESETS_RESET_DONE_OFFSET) // RESETS_RESET_DONE + // Reset done + // 0x01000000 [24] : usbctrl (0) + // 0x00800000 [23] : uart1 (0) + // 0x00400000 [22] : uart0 (0) + // 0x00200000 [21] : timer (0) + // 0x00100000 [20] : tbman (0) + // 0x00080000 [19] : sysinfo (0) + // 0x00040000 [18] : syscfg (0) + // 0x00020000 [17] : spi1 (0) + // 0x00010000 [16] : spi0 (0) + // 0x00008000 [15] : rtc (0) + // 0x00004000 [14] : pwm (0) + // 0x00002000 [13] : pll_usb (0) + // 0x00001000 [12] : pll_sys (0) + // 0x00000800 [11] : pio1 (0) + // 0x00000400 [10] : pio0 (0) + // 0x00000200 [9] : pads_qspi (0) + // 0x00000100 [8] : pads_bank0 (0) + // 0x00000080 [7] : jtag (0) + // 0x00000040 [6] : io_qspi (0) + // 0x00000020 [5] : io_bank0 (0) + // 0x00000010 [4] : i2c1 (0) + // 0x00000008 [3] : i2c0 (0) + // 0x00000004 [2] : dma (0) + // 0x00000002 [1] : busctrl (0) + // 0x00000001 [0] : adc (0) + io_ro_32 reset_done; } resets_hw_t; #define resets_hw ((resets_hw_t *const)RESETS_BASE) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/rosc.h b/src/rp2040/hardware_structs/include/hardware/structs/rosc.h index 1054393..713ab56 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/rosc.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/rosc.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,20 +10,75 @@ #define _HARDWARE_STRUCTS_ROSC_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/rosc.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_rosc +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/rosc.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(ROSC_CTRL_OFFSET) // ROSC_CTRL + // Ring Oscillator control + // 0x00fff000 [23:12] : ENABLE (0): On power-up this field is initialised to ENABLE + // 0x00000fff [11:0] : FREQ_RANGE (0xaa0): Controls the number of delay stages in the ROSC ring io_rw_32 ctrl; + + _REG_(ROSC_FREQA_OFFSET) // ROSC_FREQA + // The FREQA & FREQB registers control the frequency by controlling the drive strength of each stage + // 0xffff0000 [31:16] : PASSWD (0): Set to 0x9696 to apply the settings + // 0x00007000 [14:12] : DS3 (0): Stage 3 drive strength + // 0x00000700 [10:8] : DS2 (0): Stage 2 drive strength + // 0x00000070 [6:4] : DS1 (0): Stage 1 drive strength + // 0x00000007 [2:0] : DS0 (0): Stage 0 drive strength io_rw_32 freqa; + + _REG_(ROSC_FREQB_OFFSET) // ROSC_FREQB + // For a detailed description see freqa register + // 0xffff0000 [31:16] : PASSWD (0): Set to 0x9696 to apply the settings + // 0x00007000 [14:12] : DS7 (0): Stage 7 drive strength + // 0x00000700 [10:8] : DS6 (0): Stage 6 drive strength + // 0x00000070 [6:4] : DS5 (0): Stage 5 drive strength + // 0x00000007 [2:0] : DS4 (0): Stage 4 drive strength io_rw_32 freqb; + + _REG_(ROSC_DORMANT_OFFSET) // ROSC_DORMANT + // Ring Oscillator pause control io_rw_32 dormant; + + _REG_(ROSC_DIV_OFFSET) // ROSC_DIV + // Controls the output divider + // 0x00000fff [11:0] : DIV (0): set to 0xaa0 + div where io_rw_32 div; + + _REG_(ROSC_PHASE_OFFSET) // ROSC_PHASE + // Controls the phase shifted output + // 0x00000ff0 [11:4] : PASSWD (0): set to 0xaa + // 0x00000008 [3] : ENABLE (1): enable the phase-shifted output + // 0x00000004 [2] : FLIP (0): invert the phase-shifted output + // 0x00000003 [1:0] : SHIFT (0): phase shift the phase-shifted output by SHIFT input clocks io_rw_32 phase; + + _REG_(ROSC_STATUS_OFFSET) // ROSC_STATUS + // Ring Oscillator Status + // 0x80000000 [31] : STABLE (0): Oscillator is running and stable + // 0x01000000 [24] : BADWRITE (0): An invalid value has been written to CTRL_ENABLE or CTRL_FREQ_RANGE or FREQA or... + // 0x00010000 [16] : DIV_RUNNING (0): post-divider is running + // 0x00001000 [12] : ENABLED (0): Oscillator is enabled but not necessarily running and stable io_rw_32 status; - io_rw_32 randombit; + + _REG_(ROSC_RANDOMBIT_OFFSET) // ROSC_RANDOMBIT + // This just reads the state of the oscillator output so randomness is compromised if the ring oscillator is stopped or... + // 0x00000001 [0] : RANDOMBIT (1) + io_ro_32 randombit; + + _REG_(ROSC_COUNT_OFFSET) // ROSC_COUNT + // A down counter running at the ROSC frequency which counts to zero and stops + // 0x000000ff [7:0] : COUNT (0) io_rw_32 count; - io_rw_32 dftx; } rosc_hw_t; #define rosc_hw ((rosc_hw_t *const)ROSC_BASE) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/rtc.h b/src/rp2040/hardware_structs/include/hardware/structs/rtc.h index 276bd7a..095131f 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/rtc.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/rtc.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,22 +10,103 @@ #define _HARDWARE_STRUCTS_RTC_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/rtc.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_rtc +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/rtc.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(RTC_CLKDIV_M1_OFFSET) // RTC_CLKDIV_M1 + // Divider minus 1 for the 1 second counter + // 0x0000ffff [15:0] : CLKDIV_M1 (0) io_rw_32 clkdiv_m1; + + _REG_(RTC_SETUP_0_OFFSET) // RTC_SETUP_0 + // RTC setup register 0 + // 0x00fff000 [23:12] : YEAR (0): Year + // 0x00000f00 [11:8] : MONTH (0): Month (1 + // 0x0000001f [4:0] : DAY (0): Day of the month (1 io_rw_32 setup_0; + + _REG_(RTC_SETUP_1_OFFSET) // RTC_SETUP_1 + // RTC setup register 1 + // 0x07000000 [26:24] : DOTW (0): Day of the week: 1-Monday + // 0x001f0000 [20:16] : HOUR (0): Hours + // 0x00003f00 [13:8] : MIN (0): Minutes + // 0x0000003f [5:0] : SEC (0): Seconds io_rw_32 setup_1; + + _REG_(RTC_CTRL_OFFSET) // RTC_CTRL + // RTC Control and status + // 0x00000100 [8] : FORCE_NOTLEAPYEAR (0): If set, leapyear is forced off + // 0x00000010 [4] : LOAD (0): Load RTC + // 0x00000002 [1] : RTC_ACTIVE (0): RTC enabled (running) + // 0x00000001 [0] : RTC_ENABLE (0): Enable RTC io_rw_32 ctrl; + + _REG_(RTC_IRQ_SETUP_0_OFFSET) // RTC_IRQ_SETUP_0 + // Interrupt setup register 0 + // 0x20000000 [29] : MATCH_ACTIVE (0) + // 0x10000000 [28] : MATCH_ENA (0): Global match enable + // 0x04000000 [26] : YEAR_ENA (0): Enable year matching + // 0x02000000 [25] : MONTH_ENA (0): Enable month matching + // 0x01000000 [24] : DAY_ENA (0): Enable day matching + // 0x00fff000 [23:12] : YEAR (0): Year + // 0x00000f00 [11:8] : MONTH (0): Month (1 + // 0x0000001f [4:0] : DAY (0): Day of the month (1 io_rw_32 irq_setup_0; + + _REG_(RTC_IRQ_SETUP_1_OFFSET) // RTC_IRQ_SETUP_1 + // Interrupt setup register 1 + // 0x80000000 [31] : DOTW_ENA (0): Enable day of the week matching + // 0x40000000 [30] : HOUR_ENA (0): Enable hour matching + // 0x20000000 [29] : MIN_ENA (0): Enable minute matching + // 0x10000000 [28] : SEC_ENA (0): Enable second matching + // 0x07000000 [26:24] : DOTW (0): Day of the week + // 0x001f0000 [20:16] : HOUR (0): Hours + // 0x00003f00 [13:8] : MIN (0): Minutes + // 0x0000003f [5:0] : SEC (0): Seconds io_rw_32 irq_setup_1; - io_rw_32 rtc_1; - io_rw_32 rtc_0; - io_rw_32 intr; + + _REG_(RTC_RTC_1_OFFSET) // RTC_RTC_1 + // RTC register 1 + // 0x00fff000 [23:12] : YEAR (0): Year + // 0x00000f00 [11:8] : MONTH (0): Month (1 + // 0x0000001f [4:0] : DAY (0): Day of the month (1 + io_ro_32 rtc_1; + + _REG_(RTC_RTC_0_OFFSET) // RTC_RTC_0 + // RTC register 0 + // 0x07000000 [26:24] : DOTW (0): Day of the week + // 0x001f0000 [20:16] : HOUR (0): Hours + // 0x00003f00 [13:8] : MIN (0): Minutes + // 0x0000003f [5:0] : SEC (0): Seconds + io_ro_32 rtc_0; + + _REG_(RTC_INTR_OFFSET) // RTC_INTR + // Raw Interrupts + // 0x00000001 [0] : RTC (0) + io_ro_32 intr; + + _REG_(RTC_INTE_OFFSET) // RTC_INTE + // Interrupt Enable + // 0x00000001 [0] : RTC (0) io_rw_32 inte; + + _REG_(RTC_INTF_OFFSET) // RTC_INTF + // Interrupt Force + // 0x00000001 [0] : RTC (0) io_rw_32 intf; - io_rw_32 ints; + + _REG_(RTC_INTS_OFFSET) // RTC_INTS + // Interrupt status after masking & forcing + // 0x00000001 [0] : RTC (0) + io_ro_32 ints; } rtc_hw_t; #define rtc_hw ((rtc_hw_t *const)RTC_BASE) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/scb.h b/src/rp2040/hardware_structs/include/hardware/structs/scb.h index b48a872..742bd53 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/scb.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/scb.h @@ -1,22 +1,67 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ + #ifndef _HARDWARE_STRUCTS_SCB_H #define _HARDWARE_STRUCTS_SCB_H #include "hardware/address_mapped.h" #include "hardware/regs/m0plus.h" -// SCB == System Control Block +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_m0plus +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/m0plus.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(M0PLUS_CPUID_OFFSET) // M0PLUS_CPUID + // Read the CPU ID Base Register to determine: the ID number of the processor core, the version number of the processor... + // 0xff000000 [31:24] : IMPLEMENTER (0x41): Implementor code: 0x41 = ARM + // 0x00f00000 [23:20] : VARIANT (0): Major revision number n in the rnpm revision status: + // 0x000f0000 [19:16] : ARCHITECTURE (0xc): Constant that defines the architecture of the processor: + // 0x0000fff0 [15:4] : PARTNO (0xc60): Number of processor within family: 0xC60 = Cortex-M0+ + // 0x0000000f [3:0] : REVISION (1): Minor revision number m in the rnpm revision status: io_ro_32 cpuid; + + _REG_(M0PLUS_ICSR_OFFSET) // M0PLUS_ICSR + // Use the Interrupt Control State Register to set a pending Non-Maskable Interrupt (NMI), set or clear a pending... + // 0x80000000 [31] : NMIPENDSET (0): Setting this bit will activate an NMI + // 0x10000000 [28] : PENDSVSET (0): PendSV set-pending bit + // 0x08000000 [27] : PENDSVCLR (0): PendSV clear-pending bit + // 0x04000000 [26] : PENDSTSET (0): SysTick exception set-pending bit + // 0x02000000 [25] : PENDSTCLR (0): SysTick exception clear-pending bit + // 0x00800000 [23] : ISRPREEMPT (0): The system can only access this bit when the core is halted + // 0x00400000 [22] : ISRPENDING (0): External interrupt pending flag + // 0x001ff000 [20:12] : VECTPENDING (0): Indicates the exception number for the highest priority pending exception: 0 =... + // 0x000001ff [8:0] : VECTACTIVE (0): Active exception number field io_rw_32 icsr; + + _REG_(M0PLUS_VTOR_OFFSET) // M0PLUS_VTOR + // The VTOR holds the vector table offset address + // 0xffffff00 [31:8] : TBLOFF (0): Bits [31:8] of the indicate the vector table offset address io_rw_32 vtor; + + _REG_(M0PLUS_AIRCR_OFFSET) // M0PLUS_AIRCR + // Use the Application Interrupt and Reset Control Register to: determine data endianness, clear all active state... + // 0xffff0000 [31:16] : VECTKEY (0): Register key: + // 0x00008000 [15] : ENDIANESS (0): Data endianness implemented: + // 0x00000004 [2] : SYSRESETREQ (0): Writing 1 to this bit causes the SYSRESETREQ signal to the outer system to be... + // 0x00000002 [1] : VECTCLRACTIVE (0): Clears all active state information for fixed and configurable exceptions io_rw_32 aircr; + + _REG_(M0PLUS_SCR_OFFSET) // M0PLUS_SCR + // System Control Register + // 0x00000010 [4] : SEVONPEND (0): Send Event on Pending bit: + // 0x00000004 [2] : SLEEPDEEP (0): Controls whether the processor uses sleep or deep sleep as its low power mode: + // 0x00000002 [1] : SLEEPONEXIT (0): Indicates sleep-on-exit when returning from Handler mode to Thread mode: io_rw_32 scr; - // ... } armv6m_scb_t; #define scb_hw ((armv6m_scb_t *const)(PPB_BASE + M0PLUS_CPUID_OFFSET)) diff --git a/src/rp2040/hardware_structs/include/hardware/structs/sio.h b/src/rp2040/hardware_structs/include/hardware/structs/sio.h index bc277af..aeca542 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/sio.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/sio.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -11,51 +13,164 @@ #include "hardware/regs/sio.h" #include "hardware/structs/interp.h" -typedef struct { - io_ro_32 cpuid; - io_ro_32 gpio_in; - io_ro_32 gpio_hi_in; - uint32_t _pad; +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_sio +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/sio.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION +typedef struct { + _REG_(SIO_CPUID_OFFSET) // SIO_CPUID + // Processor core identifier + io_ro_32 cpuid; + + _REG_(SIO_GPIO_IN_OFFSET) // SIO_GPIO_IN + // Input value for GPIO pins + // 0x3fffffff [29:0] : GPIO_IN (0): Input value for GPIO0 + io_ro_32 gpio_in; + + _REG_(SIO_GPIO_HI_IN_OFFSET) // SIO_GPIO_HI_IN + // Input value for QSPI pins + // 0x0000003f [5:0] : GPIO_HI_IN (0): Input value on QSPI IO in order 0 + io_ro_32 gpio_hi_in; + + uint32_t _pad0; + + _REG_(SIO_GPIO_OUT_OFFSET) // SIO_GPIO_OUT + // GPIO output value + // 0x3fffffff [29:0] : GPIO_OUT (0): Set output level (1/0 -> high/low) for GPIO0 io_rw_32 gpio_out; + + _REG_(SIO_GPIO_OUT_SET_OFFSET) // SIO_GPIO_OUT_SET + // GPIO output value set + // 0x3fffffff [29:0] : GPIO_OUT_SET (0): Perform an atomic bit-set on GPIO_OUT, i io_wo_32 gpio_set; + + _REG_(SIO_GPIO_OUT_CLR_OFFSET) // SIO_GPIO_OUT_CLR + // GPIO output value clear + // 0x3fffffff [29:0] : GPIO_OUT_CLR (0): Perform an atomic bit-clear on GPIO_OUT, i io_wo_32 gpio_clr; + + _REG_(SIO_GPIO_OUT_XOR_OFFSET) // SIO_GPIO_OUT_XOR + // GPIO output value XOR + // 0x3fffffff [29:0] : GPIO_OUT_XOR (0): Perform an atomic bitwise XOR on GPIO_OUT, i io_wo_32 gpio_togl; - io_wo_32 gpio_oe; + _REG_(SIO_GPIO_OE_OFFSET) // SIO_GPIO_OE + // GPIO output enable + // 0x3fffffff [29:0] : GPIO_OE (0): Set output enable (1/0 -> output/input) for GPIO0 + io_rw_32 gpio_oe; + + _REG_(SIO_GPIO_OE_SET_OFFSET) // SIO_GPIO_OE_SET + // GPIO output enable set + // 0x3fffffff [29:0] : GPIO_OE_SET (0): Perform an atomic bit-set on GPIO_OE, i io_wo_32 gpio_oe_set; + + _REG_(SIO_GPIO_OE_CLR_OFFSET) // SIO_GPIO_OE_CLR + // GPIO output enable clear + // 0x3fffffff [29:0] : GPIO_OE_CLR (0): Perform an atomic bit-clear on GPIO_OE, i io_wo_32 gpio_oe_clr; + + _REG_(SIO_GPIO_OE_XOR_OFFSET) // SIO_GPIO_OE_XOR + // GPIO output enable XOR + // 0x3fffffff [29:0] : GPIO_OE_XOR (0): Perform an atomic bitwise XOR on GPIO_OE, i io_wo_32 gpio_oe_togl; + _REG_(SIO_GPIO_HI_OUT_OFFSET) // SIO_GPIO_HI_OUT + // QSPI output value + // 0x0000003f [5:0] : GPIO_HI_OUT (0): Set output level (1/0 -> high/low) for QSPI IO0 io_rw_32 gpio_hi_out; + + _REG_(SIO_GPIO_HI_OUT_SET_OFFSET) // SIO_GPIO_HI_OUT_SET + // QSPI output value set + // 0x0000003f [5:0] : GPIO_HI_OUT_SET (0): Perform an atomic bit-set on GPIO_HI_OUT, i io_wo_32 gpio_hi_set; + + _REG_(SIO_GPIO_HI_OUT_CLR_OFFSET) // SIO_GPIO_HI_OUT_CLR + // QSPI output value clear + // 0x0000003f [5:0] : GPIO_HI_OUT_CLR (0): Perform an atomic bit-clear on GPIO_HI_OUT, i io_wo_32 gpio_hi_clr; + + _REG_(SIO_GPIO_HI_OUT_XOR_OFFSET) // SIO_GPIO_HI_OUT_XOR + // QSPI output value XOR + // 0x0000003f [5:0] : GPIO_HI_OUT_XOR (0): Perform an atomic bitwise XOR on GPIO_HI_OUT, i io_wo_32 gpio_hi_togl; - io_wo_32 gpio_hi_oe; + _REG_(SIO_GPIO_HI_OE_OFFSET) // SIO_GPIO_HI_OE + // QSPI output enable + // 0x0000003f [5:0] : GPIO_HI_OE (0): Set output enable (1/0 -> output/input) for QSPI IO0 + io_rw_32 gpio_hi_oe; + + _REG_(SIO_GPIO_HI_OE_SET_OFFSET) // SIO_GPIO_HI_OE_SET + // QSPI output enable set + // 0x0000003f [5:0] : GPIO_HI_OE_SET (0): Perform an atomic bit-set on GPIO_HI_OE, i io_wo_32 gpio_hi_oe_set; + + _REG_(SIO_GPIO_HI_OE_CLR_OFFSET) // SIO_GPIO_HI_OE_CLR + // QSPI output enable clear + // 0x0000003f [5:0] : GPIO_HI_OE_CLR (0): Perform an atomic bit-clear on GPIO_HI_OE, i io_wo_32 gpio_hi_oe_clr; + + _REG_(SIO_GPIO_HI_OE_XOR_OFFSET) // SIO_GPIO_HI_OE_XOR + // QSPI output enable XOR + // 0x0000003f [5:0] : GPIO_HI_OE_XOR (0): Perform an atomic bitwise XOR on GPIO_HI_OE, i io_wo_32 gpio_hi_oe_togl; + _REG_(SIO_FIFO_ST_OFFSET) // SIO_FIFO_ST + // Status register for inter-core FIFOs (mailboxes) + // 0x00000008 [3] : ROE (0): Sticky flag indicating the RX FIFO was read when empty + // 0x00000004 [2] : WOF (0): Sticky flag indicating the TX FIFO was written when full + // 0x00000002 [1] : RDY (1): Value is 1 if this core's TX FIFO is not full (i + // 0x00000001 [0] : VLD (0): Value is 1 if this core's RX FIFO is not empty (i io_rw_32 fifo_st; + + _REG_(SIO_FIFO_WR_OFFSET) // SIO_FIFO_WR + // Write access to this core's TX FIFO io_wo_32 fifo_wr; + + _REG_(SIO_FIFO_RD_OFFSET) // SIO_FIFO_RD + // Read access to this core's RX FIFO io_ro_32 fifo_rd; + + _REG_(SIO_SPINLOCK_ST_OFFSET) // SIO_SPINLOCK_ST + // Spinlock state io_ro_32 spinlock_st; + _REG_(SIO_DIV_UDIVIDEND_OFFSET) // SIO_DIV_UDIVIDEND + // Divider unsigned dividend io_rw_32 div_udividend; + + _REG_(SIO_DIV_UDIVISOR_OFFSET) // SIO_DIV_UDIVISOR + // Divider unsigned divisor io_rw_32 div_udivisor; + + _REG_(SIO_DIV_SDIVIDEND_OFFSET) // SIO_DIV_SDIVIDEND + // Divider signed dividend io_rw_32 div_sdividend; + + _REG_(SIO_DIV_SDIVISOR_OFFSET) // SIO_DIV_SDIVISOR + // Divider signed divisor io_rw_32 div_sdivisor; + _REG_(SIO_DIV_QUOTIENT_OFFSET) // SIO_DIV_QUOTIENT + // Divider result quotient io_rw_32 div_quotient; + + _REG_(SIO_DIV_REMAINDER_OFFSET) // SIO_DIV_REMAINDER + // Divider result remainder io_rw_32 div_remainder; - io_rw_32 div_csr; - - uint32_t _pad2; + _REG_(SIO_DIV_CSR_OFFSET) // SIO_DIV_CSR + // Control and status register for divider + // 0x00000002 [1] : DIRTY (0): Changes to 1 when any register is written, and back to 0 when QUOTIENT is read + // 0x00000001 [0] : READY (1): Reads as 0 when a calculation is in progress, 1 otherwise + io_ro_32 div_csr; + uint32_t _pad1; interp_hw_t interp[2]; } sio_hw_t; -#define sio_hw ((sio_hw_t *)SIO_BASE) +#define sio_hw ((sio_hw_t *const)SIO_BASE) #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/spi.h b/src/rp2040/hardware_structs/include/hardware/structs/spi.h index 5b3b2ba..69343c8 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/spi.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/spi.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,16 +12,85 @@ #include "hardware/address_mapped.h" #include "hardware/regs/spi.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_spi +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/spi.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(SPI_SSPCR0_OFFSET) // SPI_SSPCR0 + // Control register 0, SSPCR0 on page 3-4 + // 0x0000ff00 [15:8] : SCR (0): Serial clock rate + // 0x00000080 [7] : SPH (0): SSPCLKOUT phase, applicable to Motorola SPI frame format only + // 0x00000040 [6] : SPO (0): SSPCLKOUT polarity, applicable to Motorola SPI frame format only + // 0x00000030 [5:4] : FRF (0): Frame format: 00 Motorola SPI frame format + // 0x0000000f [3:0] : DSS (0): Data Size Select: 0000 Reserved, undefined operation io_rw_32 cr0; + + _REG_(SPI_SSPCR1_OFFSET) // SPI_SSPCR1 + // Control register 1, SSPCR1 on page 3-5 + // 0x00000008 [3] : SOD (0): Slave-mode output disable + // 0x00000004 [2] : MS (0): Master or slave mode select + // 0x00000002 [1] : SSE (0): Synchronous serial port enable: 0 SSP operation disabled + // 0x00000001 [0] : LBM (0): Loop back mode: 0 Normal serial port operation enabled io_rw_32 cr1; + + _REG_(SPI_SSPDR_OFFSET) // SPI_SSPDR + // Data register, SSPDR on page 3-6 + // 0x0000ffff [15:0] : DATA (0): Transmit/Receive FIFO: Read Receive FIFO io_rw_32 dr; - io_rw_32 sr; + + _REG_(SPI_SSPSR_OFFSET) // SPI_SSPSR + // Status register, SSPSR on page 3-7 + // 0x00000010 [4] : BSY (0): PrimeCell SSP busy flag, RO: 0 SSP is idle + // 0x00000008 [3] : RFF (0): Receive FIFO full, RO: 0 Receive FIFO is not full + // 0x00000004 [2] : RNE (0): Receive FIFO not empty, RO: 0 Receive FIFO is empty + // 0x00000002 [1] : TNF (1): Transmit FIFO not full, RO: 0 Transmit FIFO is full + // 0x00000001 [0] : TFE (1): Transmit FIFO empty, RO: 0 Transmit FIFO is not empty + io_ro_32 sr; + + _REG_(SPI_SSPCPSR_OFFSET) // SPI_SSPCPSR + // Clock prescale register, SSPCPSR on page 3-8 + // 0x000000ff [7:0] : CPSDVSR (0): Clock prescale divisor io_rw_32 cpsr; + + _REG_(SPI_SSPIMSC_OFFSET) // SPI_SSPIMSC + // Interrupt mask set or clear register, SSPIMSC on page 3-9 + // 0x00000008 [3] : TXIM (0): Transmit FIFO interrupt mask: 0 Transmit FIFO half empty or less condition interrupt is masked + // 0x00000004 [2] : RXIM (0): Receive FIFO interrupt mask: 0 Receive FIFO half full or less condition interrupt is masked + // 0x00000002 [1] : RTIM (0): Receive timeout interrupt mask: 0 Receive FIFO not empty and no read prior to timeout... + // 0x00000001 [0] : RORIM (0): Receive overrun interrupt mask: 0 Receive FIFO written to while full condition... io_rw_32 imsc; - io_rw_32 ris; - io_rw_32 mis; + + _REG_(SPI_SSPRIS_OFFSET) // SPI_SSPRIS + // Raw interrupt status register, SSPRIS on page 3-10 + // 0x00000008 [3] : TXRIS (1): Gives the raw interrupt state, prior to masking, of the SSPTXINTR interrupt + // 0x00000004 [2] : RXRIS (0): Gives the raw interrupt state, prior to masking, of the SSPRXINTR interrupt + // 0x00000002 [1] : RTRIS (0): Gives the raw interrupt state, prior to masking, of the SSPRTINTR interrupt + // 0x00000001 [0] : RORRIS (0): Gives the raw interrupt state, prior to masking, of the SSPRORINTR interrupt + io_ro_32 ris; + + _REG_(SPI_SSPMIS_OFFSET) // SPI_SSPMIS + // Masked interrupt status register, SSPMIS on page 3-11 + // 0x00000008 [3] : TXMIS (0): Gives the transmit FIFO masked interrupt state, after masking, of the SSPTXINTR interrupt + // 0x00000004 [2] : RXMIS (0): Gives the receive FIFO masked interrupt state, after masking, of the SSPRXINTR interrupt + // 0x00000002 [1] : RTMIS (0): Gives the receive timeout masked interrupt state, after masking, of the SSPRTINTR interrupt + // 0x00000001 [0] : RORMIS (0): Gives the receive over run masked interrupt status, after masking, of the... + io_ro_32 mis; + + _REG_(SPI_SSPICR_OFFSET) // SPI_SSPICR + // Interrupt clear register, SSPICR on page 3-11 + // 0x00000002 [1] : RTIC (0): Clears the SSPRTINTR interrupt + // 0x00000001 [0] : RORIC (0): Clears the SSPRORINTR interrupt io_rw_32 icr; + + _REG_(SPI_SSPDMACR_OFFSET) // SPI_SSPDMACR + // DMA control register, SSPDMACR on page 3-12 + // 0x00000002 [1] : TXDMAE (0): Transmit DMA Enable + // 0x00000001 [0] : RXDMAE (0): Receive DMA Enable io_rw_32 dmacr; } spi_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/ssi.h b/src/rp2040/hardware_structs/include/hardware/structs/ssi.h index 80779fe..e342a28 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/ssi.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/ssi.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,40 +10,201 @@ #define _HARDWARE_STRUCTS_SSI_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/ssi.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_ssi +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/ssi.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(SSI_CTRLR0_OFFSET) // SSI_CTRLR0 + // Control register 0 + // 0x01000000 [24] : SSTE (0): Slave select toggle enable + // 0x00600000 [22:21] : SPI_FRF (0): SPI frame format + // 0x001f0000 [20:16] : DFS_32 (0): Data frame size in 32b transfer mode + // 0x0000f000 [15:12] : CFS (0): Control frame size + // 0x00000800 [11] : SRL (0): Shift register loop (test mode) + // 0x00000400 [10] : SLV_OE (0): Slave output enable + // 0x00000300 [9:8] : TMOD (0): Transfer mode + // 0x00000080 [7] : SCPOL (0): Serial clock polarity + // 0x00000040 [6] : SCPH (0): Serial clock phase + // 0x00000030 [5:4] : FRF (0): Frame format + // 0x0000000f [3:0] : DFS (0): Data frame size io_rw_32 ctrlr0; + + _REG_(SSI_CTRLR1_OFFSET) // SSI_CTRLR1 + // Master Control register 1 + // 0x0000ffff [15:0] : NDF (0): Number of data frames io_rw_32 ctrlr1; + + _REG_(SSI_SSIENR_OFFSET) // SSI_SSIENR + // SSI Enable + // 0x00000001 [0] : SSI_EN (0): SSI enable io_rw_32 ssienr; + + _REG_(SSI_MWCR_OFFSET) // SSI_MWCR + // Microwire Control + // 0x00000004 [2] : MHS (0): Microwire handshaking + // 0x00000002 [1] : MDD (0): Microwire control + // 0x00000001 [0] : MWMOD (0): Microwire transfer mode io_rw_32 mwcr; + + _REG_(SSI_SER_OFFSET) // SSI_SER + // Slave enable + // 0x00000001 [0] : SER (0): For each bit: io_rw_32 ser; + + _REG_(SSI_BAUDR_OFFSET) // SSI_BAUDR + // Baud rate + // 0x0000ffff [15:0] : SCKDV (0): SSI clock divider io_rw_32 baudr; + + _REG_(SSI_TXFTLR_OFFSET) // SSI_TXFTLR + // TX FIFO threshold level + // 0x000000ff [7:0] : TFT (0): Transmit FIFO threshold io_rw_32 txftlr; + + _REG_(SSI_RXFTLR_OFFSET) // SSI_RXFTLR + // RX FIFO threshold level + // 0x000000ff [7:0] : RFT (0): Receive FIFO threshold io_rw_32 rxftlr; - io_rw_32 txflr; - io_rw_32 rxflr; - io_rw_32 sr; + + _REG_(SSI_TXFLR_OFFSET) // SSI_TXFLR + // TX FIFO level + // 0x000000ff [7:0] : TFTFL (0): Transmit FIFO level + io_ro_32 txflr; + + _REG_(SSI_RXFLR_OFFSET) // SSI_RXFLR + // RX FIFO level + // 0x000000ff [7:0] : RXTFL (0): Receive FIFO level + io_ro_32 rxflr; + + _REG_(SSI_SR_OFFSET) // SSI_SR + // Status register + // 0x00000040 [6] : DCOL (0): Data collision error + // 0x00000020 [5] : TXE (0): Transmission error + // 0x00000010 [4] : RFF (0): Receive FIFO full + // 0x00000008 [3] : RFNE (0): Receive FIFO not empty + // 0x00000004 [2] : TFE (0): Transmit FIFO empty + // 0x00000002 [1] : TFNF (0): Transmit FIFO not full + // 0x00000001 [0] : BUSY (0): SSI busy flag + io_ro_32 sr; + + _REG_(SSI_IMR_OFFSET) // SSI_IMR + // Interrupt mask + // 0x00000020 [5] : MSTIM (0): Multi-master contention interrupt mask + // 0x00000010 [4] : RXFIM (0): Receive FIFO full interrupt mask + // 0x00000008 [3] : RXOIM (0): Receive FIFO overflow interrupt mask + // 0x00000004 [2] : RXUIM (0): Receive FIFO underflow interrupt mask + // 0x00000002 [1] : TXOIM (0): Transmit FIFO overflow interrupt mask + // 0x00000001 [0] : TXEIM (0): Transmit FIFO empty interrupt mask io_rw_32 imr; - io_rw_32 isr; - io_rw_32 risr; - io_rw_32 txoicr; - io_rw_32 rxoicr; - io_rw_32 rxuicr; - io_rw_32 msticr; - io_rw_32 icr; + + _REG_(SSI_ISR_OFFSET) // SSI_ISR + // Interrupt status + // 0x00000020 [5] : MSTIS (0): Multi-master contention interrupt status + // 0x00000010 [4] : RXFIS (0): Receive FIFO full interrupt status + // 0x00000008 [3] : RXOIS (0): Receive FIFO overflow interrupt status + // 0x00000004 [2] : RXUIS (0): Receive FIFO underflow interrupt status + // 0x00000002 [1] : TXOIS (0): Transmit FIFO overflow interrupt status + // 0x00000001 [0] : TXEIS (0): Transmit FIFO empty interrupt status + io_ro_32 isr; + + _REG_(SSI_RISR_OFFSET) // SSI_RISR + // Raw interrupt status + // 0x00000020 [5] : MSTIR (0): Multi-master contention raw interrupt status + // 0x00000010 [4] : RXFIR (0): Receive FIFO full raw interrupt status + // 0x00000008 [3] : RXOIR (0): Receive FIFO overflow raw interrupt status + // 0x00000004 [2] : RXUIR (0): Receive FIFO underflow raw interrupt status + // 0x00000002 [1] : TXOIR (0): Transmit FIFO overflow raw interrupt status + // 0x00000001 [0] : TXEIR (0): Transmit FIFO empty raw interrupt status + io_ro_32 risr; + + _REG_(SSI_TXOICR_OFFSET) // SSI_TXOICR + // TX FIFO overflow interrupt clear + // 0x00000001 [0] : TXOICR (0): Clear-on-read transmit FIFO overflow interrupt + io_ro_32 txoicr; + + _REG_(SSI_RXOICR_OFFSET) // SSI_RXOICR + // RX FIFO overflow interrupt clear + // 0x00000001 [0] : RXOICR (0): Clear-on-read receive FIFO overflow interrupt + io_ro_32 rxoicr; + + _REG_(SSI_RXUICR_OFFSET) // SSI_RXUICR + // RX FIFO underflow interrupt clear + // 0x00000001 [0] : RXUICR (0): Clear-on-read receive FIFO underflow interrupt + io_ro_32 rxuicr; + + _REG_(SSI_MSTICR_OFFSET) // SSI_MSTICR + // Multi-master interrupt clear + // 0x00000001 [0] : MSTICR (0): Clear-on-read multi-master contention interrupt + io_ro_32 msticr; + + _REG_(SSI_ICR_OFFSET) // SSI_ICR + // Interrupt clear + // 0x00000001 [0] : ICR (0): Clear-on-read all active interrupts + io_ro_32 icr; + + _REG_(SSI_DMACR_OFFSET) // SSI_DMACR + // DMA control + // 0x00000002 [1] : TDMAE (0): Transmit DMA enable + // 0x00000001 [0] : RDMAE (0): Receive DMA enable io_rw_32 dmacr; + + _REG_(SSI_DMATDLR_OFFSET) // SSI_DMATDLR + // DMA TX data level + // 0x000000ff [7:0] : DMATDL (0): Transmit data watermark level io_rw_32 dmatdlr; + + _REG_(SSI_DMARDLR_OFFSET) // SSI_DMARDLR + // DMA RX data level + // 0x000000ff [7:0] : DMARDL (0): Receive data watermark level (DMARDLR+1) io_rw_32 dmardlr; - io_rw_32 idr; - io_rw_32 ssi_version_id; + + _REG_(SSI_IDR_OFFSET) // SSI_IDR + // Identification register + // 0xffffffff [31:0] : IDCODE (0x51535049): Peripheral dentification code + io_ro_32 idr; + + _REG_(SSI_SSI_VERSION_ID_OFFSET) // SSI_SSI_VERSION_ID + // Version ID + // 0xffffffff [31:0] : SSI_COMP_VERSION (0x3430312a): SNPS component version (format X + io_ro_32 ssi_version_id; + + _REG_(SSI_DR0_OFFSET) // SSI_DR0 + // Data Register 0 (of 36) + // 0xffffffff [31:0] : DR (0): First data register of 36 io_rw_32 dr0; - uint32_t _pad[(0xf0 - 0x60) / 4 - 1]; + + uint32_t _pad0[35]; + + _REG_(SSI_RX_SAMPLE_DLY_OFFSET) // SSI_RX_SAMPLE_DLY + // RX sample delay + // 0x000000ff [7:0] : RSD (0): RXD sample delay (in SCLK cycles) io_rw_32 rx_sample_dly; + + _REG_(SSI_SPI_CTRLR0_OFFSET) // SSI_SPI_CTRLR0 + // SPI control + // 0xff000000 [31:24] : XIP_CMD (0x3): SPI Command to send in XIP mode (INST_L = 8-bit) or to append to Address (INST_L = 0-bit) + // 0x00040000 [18] : SPI_RXDS_EN (0): Read data strobe enable + // 0x00020000 [17] : INST_DDR_EN (0): Instruction DDR transfer enable + // 0x00010000 [16] : SPI_DDR_EN (0): SPI DDR transfer enable + // 0x0000f800 [15:11] : WAIT_CYCLES (0): Wait cycles between control frame transmit and data reception (in SCLK cycles) + // 0x00000300 [9:8] : INST_L (0): Instruction length (0/4/8/16b) + // 0x0000003c [5:2] : ADDR_L (0): Address length (0b-60b in 4b increments) + // 0x00000003 [1:0] : TRANS_TYPE (0): Address and instruction transfer format io_rw_32 spi_ctrlr0; + + _REG_(SSI_TXD_DRIVE_EDGE_OFFSET) // SSI_TXD_DRIVE_EDGE + // TX drive edge + // 0x000000ff [7:0] : TDE (0): TXD drive edge io_rw_32 txd_drive_edge; } ssi_hw_t; #define ssi_hw ((ssi_hw_t *const)XIP_SSI_BASE) + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/syscfg.h b/src/rp2040/hardware_structs/include/hardware/structs/syscfg.h index 0bfc729..99c3635 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/syscfg.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/syscfg.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,16 +10,65 @@ #define _HARDWARE_STRUCTS_SYSCFG_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/syscfg.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_syscfg +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/syscfg.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(SYSCFG_PROC0_NMI_MASK_OFFSET) // SYSCFG_PROC0_NMI_MASK + // Processor core 0 NMI source mask io_rw_32 proc0_nmi_mask; + + _REG_(SYSCFG_PROC1_NMI_MASK_OFFSET) // SYSCFG_PROC1_NMI_MASK + // Processor core 1 NMI source mask io_rw_32 proc1_nmi_mask; + + _REG_(SYSCFG_PROC_CONFIG_OFFSET) // SYSCFG_PROC_CONFIG + // Configuration for processors + // 0xf0000000 [31:28] : PROC1_DAP_INSTID (1): Configure proc1 DAP instance ID + // 0x0f000000 [27:24] : PROC0_DAP_INSTID (0): Configure proc0 DAP instance ID + // 0x00000002 [1] : PROC1_HALTED (0): Indication that proc1 has halted + // 0x00000001 [0] : PROC0_HALTED (0): Indication that proc0 has halted io_rw_32 proc_config; + + _REG_(SYSCFG_PROC_IN_SYNC_BYPASS_OFFSET) // SYSCFG_PROC_IN_SYNC_BYPASS + // For each bit, if 1, bypass the input synchronizer between that GPIO + // 0x3fffffff [29:0] : PROC_IN_SYNC_BYPASS (0) io_rw_32 proc_in_sync_bypass; + + _REG_(SYSCFG_PROC_IN_SYNC_BYPASS_HI_OFFSET) // SYSCFG_PROC_IN_SYNC_BYPASS_HI + // For each bit, if 1, bypass the input synchronizer between that GPIO + // 0x0000003f [5:0] : PROC_IN_SYNC_BYPASS_HI (0) io_rw_32 proc_in_sync_bypass_hi; + + _REG_(SYSCFG_DBGFORCE_OFFSET) // SYSCFG_DBGFORCE + // Directly control the SWD debug port of either processor + // 0x00000080 [7] : PROC1_ATTACH (0): Attach processor 1 debug port to syscfg controls, and disconnect it from... + // 0x00000040 [6] : PROC1_SWCLK (1): Directly drive processor 1 SWCLK, if PROC1_ATTACH is set + // 0x00000020 [5] : PROC1_SWDI (1): Directly drive processor 1 SWDIO input, if PROC1_ATTACH is set + // 0x00000010 [4] : PROC1_SWDO (0): Observe the value of processor 1 SWDIO output + // 0x00000008 [3] : PROC0_ATTACH (0): Attach processor 0 debug port to syscfg controls, and disconnect it from... + // 0x00000004 [2] : PROC0_SWCLK (1): Directly drive processor 0 SWCLK, if PROC0_ATTACH is set + // 0x00000002 [1] : PROC0_SWDI (1): Directly drive processor 0 SWDIO input, if PROC0_ATTACH is set + // 0x00000001 [0] : PROC0_SWDO (0): Observe the value of processor 0 SWDIO output io_rw_32 dbgforce; + + _REG_(SYSCFG_MEMPOWERDOWN_OFFSET) // SYSCFG_MEMPOWERDOWN + // Control power downs to memories + // 0x00000080 [7] : ROM (0) + // 0x00000040 [6] : USB (0) + // 0x00000020 [5] : SRAM5 (0) + // 0x00000010 [4] : SRAM4 (0) + // 0x00000008 [3] : SRAM3 (0) + // 0x00000004 [2] : SRAM2 (0) + // 0x00000002 [1] : SRAM1 (0) + // 0x00000001 [0] : SRAM0 (0) io_rw_32 mempowerdown; } syscfg_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/systick.h b/src/rp2040/hardware_structs/include/hardware/structs/systick.h index 24673fb..980ac41 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/systick.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/systick.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,10 +12,38 @@ #include "hardware/address_mapped.h" #include "hardware/regs/m0plus.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_m0plus +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/m0plus.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(M0PLUS_SYST_CSR_OFFSET) // M0PLUS_SYST_CSR + // Use the SysTick Control and Status Register to enable the SysTick features + // 0x00010000 [16] : COUNTFLAG (0): Returns 1 if timer counted to 0 since last time this was read + // 0x00000004 [2] : CLKSOURCE (0): SysTick clock source + // 0x00000002 [1] : TICKINT (0): Enables SysTick exception request: + // 0x00000001 [0] : ENABLE (0): Enable SysTick counter: io_rw_32 csr; + + _REG_(M0PLUS_SYST_RVR_OFFSET) // M0PLUS_SYST_RVR + // Use the SysTick Reload Value Register to specify the start value to load into the current value register when the... + // 0x00ffffff [23:0] : RELOAD (0): Value to load into the SysTick Current Value Register when the counter reaches 0 io_rw_32 rvr; + + _REG_(M0PLUS_SYST_CVR_OFFSET) // M0PLUS_SYST_CVR + // Use the SysTick Current Value Register to find the current value in the register + // 0x00ffffff [23:0] : CURRENT (0): Reads return the current value of the SysTick counter io_rw_32 cvr; + + _REG_(M0PLUS_SYST_CALIB_OFFSET) // M0PLUS_SYST_CALIB + // Use the SysTick Calibration Value Register to enable software to scale to any required speed using divide and multiply + // 0x80000000 [31] : NOREF (0): If reads as 1, the Reference clock is not provided - the CLKSOURCE bit of the... + // 0x40000000 [30] : SKEW (0): If reads as 1, the calibration value for 10ms is inexact (due to clock frequency) + // 0x00ffffff [23:0] : TENMS (0): An optional Reload value to be used for 10ms (100Hz) timing, subject to system clock... io_ro_32 calib; } systick_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/timer.h b/src/rp2040/hardware_structs/include/hardware/structs/timer.h index e051a06..e07e81a 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/timer.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/timer.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,28 +10,95 @@ #define _HARDWARE_STRUCTS_TIMER_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/timer.h" -#define NUM_TIMERS 4 +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_timer +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/timer.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION typedef struct { + _REG_(TIMER_TIMEHW_OFFSET) // TIMER_TIMEHW + // Write to bits 63:32 of time io_wo_32 timehw; + + _REG_(TIMER_TIMELW_OFFSET) // TIMER_TIMELW + // Write to bits 31:0 of time io_wo_32 timelw; + + _REG_(TIMER_TIMEHR_OFFSET) // TIMER_TIMEHR + // Read from bits 63:32 of time io_ro_32 timehr; + + _REG_(TIMER_TIMELR_OFFSET) // TIMER_TIMELR + // Read from bits 31:0 of time io_ro_32 timelr; - io_rw_32 alarm[NUM_TIMERS]; + + _REG_(TIMER_ALARM0_OFFSET) // TIMER_ALARM0 + io_rw_32 alarm[NUM_TIMERS]; // 4 + + _REG_(TIMER_ARMED_OFFSET) // TIMER_ARMED + // Indicates the armed/disarmed status of each alarm + // 0x0000000f [3:0] : ARMED (0) io_rw_32 armed; + + _REG_(TIMER_TIMERAWH_OFFSET) // TIMER_TIMERAWH + // Raw read from bits 63:32 of time (no side effects) io_ro_32 timerawh; + + _REG_(TIMER_TIMERAWL_OFFSET) // TIMER_TIMERAWL + // Raw read from bits 31:0 of time (no side effects) io_ro_32 timerawl; + + _REG_(TIMER_DBGPAUSE_OFFSET) // TIMER_DBGPAUSE + // Set bits high to enable pause when the corresponding debug ports are active + // 0x00000004 [2] : DBG1 (1): Pause when processor 1 is in debug mode + // 0x00000002 [1] : DBG0 (1): Pause when processor 0 is in debug mode io_rw_32 dbgpause; + + _REG_(TIMER_PAUSE_OFFSET) // TIMER_PAUSE + // Set high to pause the timer + // 0x00000001 [0] : PAUSE (0) io_rw_32 pause; + + _REG_(TIMER_INTR_OFFSET) // TIMER_INTR + // Raw Interrupts + // 0x00000008 [3] : ALARM_3 (0) + // 0x00000004 [2] : ALARM_2 (0) + // 0x00000002 [1] : ALARM_1 (0) + // 0x00000001 [0] : ALARM_0 (0) io_rw_32 intr; + + _REG_(TIMER_INTE_OFFSET) // TIMER_INTE + // Interrupt Enable + // 0x00000008 [3] : ALARM_3 (0) + // 0x00000004 [2] : ALARM_2 (0) + // 0x00000002 [1] : ALARM_1 (0) + // 0x00000001 [0] : ALARM_0 (0) io_rw_32 inte; + + _REG_(TIMER_INTF_OFFSET) // TIMER_INTF + // Interrupt Force + // 0x00000008 [3] : ALARM_3 (0) + // 0x00000004 [2] : ALARM_2 (0) + // 0x00000002 [1] : ALARM_1 (0) + // 0x00000001 [0] : ALARM_0 (0) io_rw_32 intf; + + _REG_(TIMER_INTS_OFFSET) // TIMER_INTS + // Interrupt status after masking & forcing + // 0x00000008 [3] : ALARM_3 (0) + // 0x00000004 [2] : ALARM_2 (0) + // 0x00000002 [1] : ALARM_1 (0) + // 0x00000001 [0] : ALARM_0 (0) io_ro_32 ints; } timer_hw_t; #define timer_hw ((timer_hw_t *const)TIMER_BASE) +static_assert( NUM_TIMERS == 4, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/uart.h b/src/rp2040/hardware_structs/include/hardware/structs/uart.h index 42fe8e8..c8a8615 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/uart.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/uart.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,22 +12,162 @@ #include "hardware/address_mapped.h" #include "hardware/regs/uart.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_uart +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/uart.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(UART_UARTDR_OFFSET) // UART_UARTDR + // Data Register, UARTDR + // 0x00000800 [11] : OE (0): Overrun error + // 0x00000400 [10] : BE (0): Break error + // 0x00000200 [9] : PE (0): Parity error + // 0x00000100 [8] : FE (0): Framing error + // 0x000000ff [7:0] : DATA (0): Receive (read) data character io_rw_32 dr; + + _REG_(UART_UARTRSR_OFFSET) // UART_UARTRSR + // Receive Status Register/Error Clear Register, UARTRSR/UARTECR + // 0x00000008 [3] : OE (0): Overrun error + // 0x00000004 [2] : BE (0): Break error + // 0x00000002 [1] : PE (0): Parity error + // 0x00000001 [0] : FE (0): Framing error io_rw_32 rsr; + uint32_t _pad0[4]; - io_rw_32 fr; + + _REG_(UART_UARTFR_OFFSET) // UART_UARTFR + // Flag Register, UARTFR + // 0x00000100 [8] : RI (0): Ring indicator + // 0x00000080 [7] : TXFE (1): Transmit FIFO empty + // 0x00000040 [6] : RXFF (0): Receive FIFO full + // 0x00000020 [5] : TXFF (0): Transmit FIFO full + // 0x00000010 [4] : RXFE (1): Receive FIFO empty + // 0x00000008 [3] : BUSY (0): UART busy + // 0x00000004 [2] : DCD (0): Data carrier detect + // 0x00000002 [1] : DSR (0): Data set ready + // 0x00000001 [0] : CTS (0): Clear to send + io_ro_32 fr; + uint32_t _pad1; + + _REG_(UART_UARTILPR_OFFSET) // UART_UARTILPR + // IrDA Low-Power Counter Register, UARTILPR + // 0x000000ff [7:0] : ILPDVSR (0): 8-bit low-power divisor value io_rw_32 ilpr; + + _REG_(UART_UARTIBRD_OFFSET) // UART_UARTIBRD + // Integer Baud Rate Register, UARTIBRD + // 0x0000ffff [15:0] : BAUD_DIVINT (0): The integer baud rate divisor io_rw_32 ibrd; + + _REG_(UART_UARTFBRD_OFFSET) // UART_UARTFBRD + // Fractional Baud Rate Register, UARTFBRD + // 0x0000003f [5:0] : BAUD_DIVFRAC (0): The fractional baud rate divisor io_rw_32 fbrd; + + _REG_(UART_UARTLCR_H_OFFSET) // UART_UARTLCR_H + // Line Control Register, UARTLCR_H + // 0x00000080 [7] : SPS (0): Stick parity select + // 0x00000060 [6:5] : WLEN (0): Word length + // 0x00000010 [4] : FEN (0): Enable FIFOs: 0 = FIFOs are disabled (character mode) that is, the FIFOs become... + // 0x00000008 [3] : STP2 (0): Two stop bits select + // 0x00000004 [2] : EPS (0): Even parity select + // 0x00000002 [1] : PEN (0): Parity enable: 0 = parity is disabled and no parity bit added to the data frame 1 =... + // 0x00000001 [0] : BRK (0): Send break io_rw_32 lcr_h; + + _REG_(UART_UARTCR_OFFSET) // UART_UARTCR + // Control Register, UARTCR + // 0x00008000 [15] : CTSEN (0): CTS hardware flow control enable + // 0x00004000 [14] : RTSEN (0): RTS hardware flow control enable + // 0x00002000 [13] : OUT2 (0): This bit is the complement of the UART Out2 (nUARTOut2) modem status output + // 0x00001000 [12] : OUT1 (0): This bit is the complement of the UART Out1 (nUARTOut1) modem status output + // 0x00000800 [11] : RTS (0): Request to send + // 0x00000400 [10] : DTR (0): Data transmit ready + // 0x00000200 [9] : RXE (1): Receive enable + // 0x00000100 [8] : TXE (1): Transmit enable + // 0x00000080 [7] : LBE (0): Loopback enable + // 0x00000004 [2] : SIRLP (0): SIR low-power IrDA mode + // 0x00000002 [1] : SIREN (0): SIR enable: 0 = IrDA SIR ENDEC is disabled + // 0x00000001 [0] : UARTEN (0): UART enable: 0 = UART is disabled io_rw_32 cr; + + _REG_(UART_UARTIFLS_OFFSET) // UART_UARTIFLS + // Interrupt FIFO Level Select Register, UARTIFLS + // 0x00000038 [5:3] : RXIFLSEL (0x2): Receive interrupt FIFO level select + // 0x00000007 [2:0] : TXIFLSEL (0x2): Transmit interrupt FIFO level select io_rw_32 ifls; + + _REG_(UART_UARTIMSC_OFFSET) // UART_UARTIMSC + // Interrupt Mask Set/Clear Register, UARTIMSC + // 0x00000400 [10] : OEIM (0): Overrun error interrupt mask + // 0x00000200 [9] : BEIM (0): Break error interrupt mask + // 0x00000100 [8] : PEIM (0): Parity error interrupt mask + // 0x00000080 [7] : FEIM (0): Framing error interrupt mask + // 0x00000040 [6] : RTIM (0): Receive timeout interrupt mask + // 0x00000020 [5] : TXIM (0): Transmit interrupt mask + // 0x00000010 [4] : RXIM (0): Receive interrupt mask + // 0x00000008 [3] : DSRMIM (0): nUARTDSR modem interrupt mask + // 0x00000004 [2] : DCDMIM (0): nUARTDCD modem interrupt mask + // 0x00000002 [1] : CTSMIM (0): nUARTCTS modem interrupt mask + // 0x00000001 [0] : RIMIM (0): nUARTRI modem interrupt mask io_rw_32 imsc; - io_rw_32 ris; - io_rw_32 mis; + + _REG_(UART_UARTRIS_OFFSET) // UART_UARTRIS + // Raw Interrupt Status Register, UARTRIS + // 0x00000400 [10] : OERIS (0): Overrun error interrupt status + // 0x00000200 [9] : BERIS (0): Break error interrupt status + // 0x00000100 [8] : PERIS (0): Parity error interrupt status + // 0x00000080 [7] : FERIS (0): Framing error interrupt status + // 0x00000040 [6] : RTRIS (0): Receive timeout interrupt status + // 0x00000020 [5] : TXRIS (0): Transmit interrupt status + // 0x00000010 [4] : RXRIS (0): Receive interrupt status + // 0x00000008 [3] : DSRRMIS (0): nUARTDSR modem interrupt status + // 0x00000004 [2] : DCDRMIS (0): nUARTDCD modem interrupt status + // 0x00000002 [1] : CTSRMIS (0): nUARTCTS modem interrupt status + // 0x00000001 [0] : RIRMIS (0): nUARTRI modem interrupt status + io_ro_32 ris; + + _REG_(UART_UARTMIS_OFFSET) // UART_UARTMIS + // Masked Interrupt Status Register, UARTMIS + // 0x00000400 [10] : OEMIS (0): Overrun error masked interrupt status + // 0x00000200 [9] : BEMIS (0): Break error masked interrupt status + // 0x00000100 [8] : PEMIS (0): Parity error masked interrupt status + // 0x00000080 [7] : FEMIS (0): Framing error masked interrupt status + // 0x00000040 [6] : RTMIS (0): Receive timeout masked interrupt status + // 0x00000020 [5] : TXMIS (0): Transmit masked interrupt status + // 0x00000010 [4] : RXMIS (0): Receive masked interrupt status + // 0x00000008 [3] : DSRMMIS (0): nUARTDSR modem masked interrupt status + // 0x00000004 [2] : DCDMMIS (0): nUARTDCD modem masked interrupt status + // 0x00000002 [1] : CTSMMIS (0): nUARTCTS modem masked interrupt status + // 0x00000001 [0] : RIMMIS (0): nUARTRI modem masked interrupt status + io_ro_32 mis; + + _REG_(UART_UARTICR_OFFSET) // UART_UARTICR + // Interrupt Clear Register, UARTICR + // 0x00000400 [10] : OEIC (0): Overrun error interrupt clear + // 0x00000200 [9] : BEIC (0): Break error interrupt clear + // 0x00000100 [8] : PEIC (0): Parity error interrupt clear + // 0x00000080 [7] : FEIC (0): Framing error interrupt clear + // 0x00000040 [6] : RTIC (0): Receive timeout interrupt clear + // 0x00000020 [5] : TXIC (0): Transmit interrupt clear + // 0x00000010 [4] : RXIC (0): Receive interrupt clear + // 0x00000008 [3] : DSRMIC (0): nUARTDSR modem interrupt clear + // 0x00000004 [2] : DCDMIC (0): nUARTDCD modem interrupt clear + // 0x00000002 [1] : CTSMIC (0): nUARTCTS modem interrupt clear + // 0x00000001 [0] : RIMIC (0): nUARTRI modem interrupt clear io_rw_32 icr; + + _REG_(UART_UARTDMACR_OFFSET) // UART_UARTDMACR + // DMA Control Register, UARTDMACR + // 0x00000004 [2] : DMAONERR (0): DMA on error + // 0x00000002 [1] : TXDMAE (0): Transmit DMA enable + // 0x00000001 [0] : RXDMAE (0): Receive DMA enable io_rw_32 dmacr; } uart_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/usb.h b/src/rp2040/hardware_structs/include/hardware/structs/usb.h index 0254e61..4f4077d 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/usb.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/usb.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -10,6 +12,14 @@ #include "hardware/address_mapped.h" #include "hardware/regs/usb.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_usb +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/usb.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + // 0-15 #define USB_NUM_ENDPOINTS 16 @@ -112,38 +122,450 @@ static_assert(sizeof(usb_host_dpram_t) == USB_DPRAM_MAX, ""); static_assert(offsetof(usb_host_dpram_t, epx_data) == 0x180, ""); typedef struct { + _REG_(USB_ADDR_ENDP_OFFSET) // USB_ADDR_ENDP + // Device address and endpoint control + // 0x000f0000 [19:16] : ENDPOINT (0): Device endpoint to send data to + // 0x0000007f [6:0] : ADDRESS (0): In device mode, the address that the device should respond to io_rw_32 dev_addr_ctrl; - io_rw_32 int_ep_addr_ctrl[USB_HOST_INTERRUPT_ENDPOINTS]; + + _REG_(USB_ADDR_ENDP1_OFFSET) // USB_ADDR_ENDP1 + io_rw_32 int_ep_addr_ctrl[USB_HOST_INTERRUPT_ENDPOINTS]; // 15 + + _REG_(USB_MAIN_CTRL_OFFSET) // USB_MAIN_CTRL + // Main control register + // 0x80000000 [31] : SIM_TIMING (0): Reduced timings for simulation + // 0x00000002 [1] : HOST_NDEVICE (0): Device mode = 0, Host mode = 1 + // 0x00000001 [0] : CONTROLLER_EN (0): Enable controller io_rw_32 main_ctrl; - io_rw_32 sof_rw; + + _REG_(USB_SOF_WR_OFFSET) // USB_SOF_WR + // Set the SOF (Start of Frame) frame number in the host controller + // 0x000007ff [10:0] : COUNT (0) + io_wo_32 sof_rw; + + _REG_(USB_SOF_RD_OFFSET) // USB_SOF_RD + // Read the last SOF (Start of Frame) frame number seen + // 0x000007ff [10:0] : COUNT (0) io_ro_32 sof_rd; + + _REG_(USB_SIE_CTRL_OFFSET) // USB_SIE_CTRL + // SIE control register + // 0x80000000 [31] : EP0_INT_STALL (0): Device: Set bit in EP_STATUS_STALL_NAK when EP0 sends a STALL + // 0x40000000 [30] : EP0_DOUBLE_BUF (0): Device: EP0 single buffered = 0, double buffered = 1 + // 0x20000000 [29] : EP0_INT_1BUF (0): Device: Set bit in BUFF_STATUS for every buffer completed on EP0 + // 0x10000000 [28] : EP0_INT_2BUF (0): Device: Set bit in BUFF_STATUS for every 2 buffers completed on EP0 + // 0x08000000 [27] : EP0_INT_NAK (0): Device: Set bit in EP_STATUS_STALL_NAK when EP0 sends a NAK + // 0x04000000 [26] : DIRECT_EN (0): Direct bus drive enable + // 0x02000000 [25] : DIRECT_DP (0): Direct control of DP + // 0x01000000 [24] : DIRECT_DM (0): Direct control of DM + // 0x00040000 [18] : TRANSCEIVER_PD (0): Power down bus transceiver + // 0x00020000 [17] : RPU_OPT (0): Device: Pull-up strength (0=1K2, 1=2k3) + // 0x00010000 [16] : PULLUP_EN (0): Device: Enable pull up resistor + // 0x00008000 [15] : PULLDOWN_EN (0): Host: Enable pull down resistors + // 0x00002000 [13] : RESET_BUS (0): Host: Reset bus + // 0x00001000 [12] : RESUME (0): Device: Remote wakeup + // 0x00000800 [11] : VBUS_EN (0): Host: Enable VBUS + // 0x00000400 [10] : KEEP_ALIVE_EN (0): Host: Enable keep alive packet (for low speed bus) + // 0x00000200 [9] : SOF_EN (0): Host: Enable SOF generation (for full speed bus) + // 0x00000100 [8] : SOF_SYNC (0): Host: Delay packet(s) until after SOF + // 0x00000040 [6] : PREAMBLE_EN (0): Host: Preable enable for LS device on FS hub + // 0x00000010 [4] : STOP_TRANS (0): Host: Stop transaction + // 0x00000008 [3] : RECEIVE_DATA (0): Host: Receive transaction (IN to host) + // 0x00000004 [2] : SEND_DATA (0): Host: Send transaction (OUT from host) + // 0x00000002 [1] : SEND_SETUP (0): Host: Send Setup packet + // 0x00000001 [0] : START_TRANS (0): Host: Start transaction io_rw_32 sie_ctrl; + + _REG_(USB_SIE_STATUS_OFFSET) // USB_SIE_STATUS + // SIE status register + // 0x80000000 [31] : DATA_SEQ_ERROR (0): Data Sequence Error + // 0x40000000 [30] : ACK_REC (0): ACK received + // 0x20000000 [29] : STALL_REC (0): Host: STALL received + // 0x10000000 [28] : NAK_REC (0): Host: NAK received + // 0x08000000 [27] : RX_TIMEOUT (0): RX timeout is raised by both the host and device if an ACK is not received in... + // 0x04000000 [26] : RX_OVERFLOW (0): RX overflow is raised by the Serial RX engine if the incoming data is too fast + // 0x02000000 [25] : BIT_STUFF_ERROR (0): Bit Stuff Error + // 0x01000000 [24] : CRC_ERROR (0): CRC Error + // 0x00080000 [19] : BUS_RESET (0): Device: bus reset received + // 0x00040000 [18] : TRANS_COMPLETE (0): Transaction complete + // 0x00020000 [17] : SETUP_REC (0): Device: Setup packet received + // 0x00010000 [16] : CONNECTED (0): Device: connected + // 0x00000800 [11] : RESUME (0): Host: Device has initiated a remote resume + // 0x00000400 [10] : VBUS_OVER_CURR (0): VBUS over current detected + // 0x00000300 [9:8] : SPEED (0): Host: device speed + // 0x00000010 [4] : SUSPENDED (0): Bus in suspended state + // 0x0000000c [3:2] : LINE_STATE (0): USB bus line state + // 0x00000001 [0] : VBUS_DETECTED (0): Device: VBUS Detected io_rw_32 sie_status; + + _REG_(USB_INT_EP_CTRL_OFFSET) // USB_INT_EP_CTRL + // interrupt endpoint control register + // 0x0000fffe [15:1] : INT_EP_ACTIVE (0): Host: Enable interrupt endpoint 1 -> 15 io_rw_32 int_ep_ctrl; + + _REG_(USB_BUFF_STATUS_OFFSET) // USB_BUFF_STATUS + // Buffer status register + // 0x80000000 [31] : EP15_OUT (0) + // 0x40000000 [30] : EP15_IN (0) + // 0x20000000 [29] : EP14_OUT (0) + // 0x10000000 [28] : EP14_IN (0) + // 0x08000000 [27] : EP13_OUT (0) + // 0x04000000 [26] : EP13_IN (0) + // 0x02000000 [25] : EP12_OUT (0) + // 0x01000000 [24] : EP12_IN (0) + // 0x00800000 [23] : EP11_OUT (0) + // 0x00400000 [22] : EP11_IN (0) + // 0x00200000 [21] : EP10_OUT (0) + // 0x00100000 [20] : EP10_IN (0) + // 0x00080000 [19] : EP9_OUT (0) + // 0x00040000 [18] : EP9_IN (0) + // 0x00020000 [17] : EP8_OUT (0) + // 0x00010000 [16] : EP8_IN (0) + // 0x00008000 [15] : EP7_OUT (0) + // 0x00004000 [14] : EP7_IN (0) + // 0x00002000 [13] : EP6_OUT (0) + // 0x00001000 [12] : EP6_IN (0) + // 0x00000800 [11] : EP5_OUT (0) + // 0x00000400 [10] : EP5_IN (0) + // 0x00000200 [9] : EP4_OUT (0) + // 0x00000100 [8] : EP4_IN (0) + // 0x00000080 [7] : EP3_OUT (0) + // 0x00000040 [6] : EP3_IN (0) + // 0x00000020 [5] : EP2_OUT (0) + // 0x00000010 [4] : EP2_IN (0) + // 0x00000008 [3] : EP1_OUT (0) + // 0x00000004 [2] : EP1_IN (0) + // 0x00000002 [1] : EP0_OUT (0) + // 0x00000001 [0] : EP0_IN (0) io_rw_32 buf_status; - io_rw_32 buf_cpu_should_handle; // for double buff + + _REG_(USB_BUFF_CPU_SHOULD_HANDLE_OFFSET) // USB_BUFF_CPU_SHOULD_HANDLE + // Which of the double buffers should be handled + // 0x80000000 [31] : EP15_OUT (0) + // 0x40000000 [30] : EP15_IN (0) + // 0x20000000 [29] : EP14_OUT (0) + // 0x10000000 [28] : EP14_IN (0) + // 0x08000000 [27] : EP13_OUT (0) + // 0x04000000 [26] : EP13_IN (0) + // 0x02000000 [25] : EP12_OUT (0) + // 0x01000000 [24] : EP12_IN (0) + // 0x00800000 [23] : EP11_OUT (0) + // 0x00400000 [22] : EP11_IN (0) + // 0x00200000 [21] : EP10_OUT (0) + // 0x00100000 [20] : EP10_IN (0) + // 0x00080000 [19] : EP9_OUT (0) + // 0x00040000 [18] : EP9_IN (0) + // 0x00020000 [17] : EP8_OUT (0) + // 0x00010000 [16] : EP8_IN (0) + // 0x00008000 [15] : EP7_OUT (0) + // 0x00004000 [14] : EP7_IN (0) + // 0x00002000 [13] : EP6_OUT (0) + // 0x00001000 [12] : EP6_IN (0) + // 0x00000800 [11] : EP5_OUT (0) + // 0x00000400 [10] : EP5_IN (0) + // 0x00000200 [9] : EP4_OUT (0) + // 0x00000100 [8] : EP4_IN (0) + // 0x00000080 [7] : EP3_OUT (0) + // 0x00000040 [6] : EP3_IN (0) + // 0x00000020 [5] : EP2_OUT (0) + // 0x00000010 [4] : EP2_IN (0) + // 0x00000008 [3] : EP1_OUT (0) + // 0x00000004 [2] : EP1_IN (0) + // 0x00000002 [1] : EP0_OUT (0) + // 0x00000001 [0] : EP0_IN (0) + io_ro_32 buf_cpu_should_handle; + + _REG_(USB_EP_ABORT_OFFSET) // USB_EP_ABORT + // Device only: Can be set to ignore the buffer control register for this endpoint in case you would like to revoke a buffer + // 0x80000000 [31] : EP15_OUT (0) + // 0x40000000 [30] : EP15_IN (0) + // 0x20000000 [29] : EP14_OUT (0) + // 0x10000000 [28] : EP14_IN (0) + // 0x08000000 [27] : EP13_OUT (0) + // 0x04000000 [26] : EP13_IN (0) + // 0x02000000 [25] : EP12_OUT (0) + // 0x01000000 [24] : EP12_IN (0) + // 0x00800000 [23] : EP11_OUT (0) + // 0x00400000 [22] : EP11_IN (0) + // 0x00200000 [21] : EP10_OUT (0) + // 0x00100000 [20] : EP10_IN (0) + // 0x00080000 [19] : EP9_OUT (0) + // 0x00040000 [18] : EP9_IN (0) + // 0x00020000 [17] : EP8_OUT (0) + // 0x00010000 [16] : EP8_IN (0) + // 0x00008000 [15] : EP7_OUT (0) + // 0x00004000 [14] : EP7_IN (0) + // 0x00002000 [13] : EP6_OUT (0) + // 0x00001000 [12] : EP6_IN (0) + // 0x00000800 [11] : EP5_OUT (0) + // 0x00000400 [10] : EP5_IN (0) + // 0x00000200 [9] : EP4_OUT (0) + // 0x00000100 [8] : EP4_IN (0) + // 0x00000080 [7] : EP3_OUT (0) + // 0x00000040 [6] : EP3_IN (0) + // 0x00000020 [5] : EP2_OUT (0) + // 0x00000010 [4] : EP2_IN (0) + // 0x00000008 [3] : EP1_OUT (0) + // 0x00000004 [2] : EP1_IN (0) + // 0x00000002 [1] : EP0_OUT (0) + // 0x00000001 [0] : EP0_IN (0) io_rw_32 abort; + + _REG_(USB_EP_ABORT_DONE_OFFSET) // USB_EP_ABORT_DONE + // Device only: Used in conjunction with `EP_ABORT` + // 0x80000000 [31] : EP15_OUT (0) + // 0x40000000 [30] : EP15_IN (0) + // 0x20000000 [29] : EP14_OUT (0) + // 0x10000000 [28] : EP14_IN (0) + // 0x08000000 [27] : EP13_OUT (0) + // 0x04000000 [26] : EP13_IN (0) + // 0x02000000 [25] : EP12_OUT (0) + // 0x01000000 [24] : EP12_IN (0) + // 0x00800000 [23] : EP11_OUT (0) + // 0x00400000 [22] : EP11_IN (0) + // 0x00200000 [21] : EP10_OUT (0) + // 0x00100000 [20] : EP10_IN (0) + // 0x00080000 [19] : EP9_OUT (0) + // 0x00040000 [18] : EP9_IN (0) + // 0x00020000 [17] : EP8_OUT (0) + // 0x00010000 [16] : EP8_IN (0) + // 0x00008000 [15] : EP7_OUT (0) + // 0x00004000 [14] : EP7_IN (0) + // 0x00002000 [13] : EP6_OUT (0) + // 0x00001000 [12] : EP6_IN (0) + // 0x00000800 [11] : EP5_OUT (0) + // 0x00000400 [10] : EP5_IN (0) + // 0x00000200 [9] : EP4_OUT (0) + // 0x00000100 [8] : EP4_IN (0) + // 0x00000080 [7] : EP3_OUT (0) + // 0x00000040 [6] : EP3_IN (0) + // 0x00000020 [5] : EP2_OUT (0) + // 0x00000010 [4] : EP2_IN (0) + // 0x00000008 [3] : EP1_OUT (0) + // 0x00000004 [2] : EP1_IN (0) + // 0x00000002 [1] : EP0_OUT (0) + // 0x00000001 [0] : EP0_IN (0) io_rw_32 abort_done; + + _REG_(USB_EP_STALL_ARM_OFFSET) // USB_EP_STALL_ARM + // Device: this bit must be set in conjunction with the `STALL` bit in the buffer control register to send a STALL on EP0 + // 0x00000002 [1] : EP0_OUT (0) + // 0x00000001 [0] : EP0_IN (0) io_rw_32 ep_stall_arm; + + _REG_(USB_NAK_POLL_OFFSET) // USB_NAK_POLL + // Used by the host controller + // 0x03ff0000 [25:16] : DELAY_FS (0x10): NAK polling interval for a full speed device + // 0x000003ff [9:0] : DELAY_LS (0x10): NAK polling interval for a low speed device io_rw_32 nak_poll; + + _REG_(USB_EP_STATUS_STALL_NAK_OFFSET) // USB_EP_STATUS_STALL_NAK + // Device: bits are set when the `IRQ_ON_NAK` or `IRQ_ON_STALL` bits are set + // 0x80000000 [31] : EP15_OUT (0) + // 0x40000000 [30] : EP15_IN (0) + // 0x20000000 [29] : EP14_OUT (0) + // 0x10000000 [28] : EP14_IN (0) + // 0x08000000 [27] : EP13_OUT (0) + // 0x04000000 [26] : EP13_IN (0) + // 0x02000000 [25] : EP12_OUT (0) + // 0x01000000 [24] : EP12_IN (0) + // 0x00800000 [23] : EP11_OUT (0) + // 0x00400000 [22] : EP11_IN (0) + // 0x00200000 [21] : EP10_OUT (0) + // 0x00100000 [20] : EP10_IN (0) + // 0x00080000 [19] : EP9_OUT (0) + // 0x00040000 [18] : EP9_IN (0) + // 0x00020000 [17] : EP8_OUT (0) + // 0x00010000 [16] : EP8_IN (0) + // 0x00008000 [15] : EP7_OUT (0) + // 0x00004000 [14] : EP7_IN (0) + // 0x00002000 [13] : EP6_OUT (0) + // 0x00001000 [12] : EP6_IN (0) + // 0x00000800 [11] : EP5_OUT (0) + // 0x00000400 [10] : EP5_IN (0) + // 0x00000200 [9] : EP4_OUT (0) + // 0x00000100 [8] : EP4_IN (0) + // 0x00000080 [7] : EP3_OUT (0) + // 0x00000040 [6] : EP3_IN (0) + // 0x00000020 [5] : EP2_OUT (0) + // 0x00000010 [4] : EP2_IN (0) + // 0x00000008 [3] : EP1_OUT (0) + // 0x00000004 [2] : EP1_IN (0) + // 0x00000002 [1] : EP0_OUT (0) + // 0x00000001 [0] : EP0_IN (0) io_rw_32 ep_nak_stall_status; + + _REG_(USB_USB_MUXING_OFFSET) // USB_USB_MUXING + // Where to connect the USB controller + // 0x00000008 [3] : SOFTCON (0) + // 0x00000004 [2] : TO_DIGITAL_PAD (0) + // 0x00000002 [1] : TO_EXTPHY (0) + // 0x00000001 [0] : TO_PHY (0) io_rw_32 muxing; + + _REG_(USB_USB_PWR_OFFSET) // USB_USB_PWR + // Overrides for the power signals in the event that the VBUS signals are not hooked up to GPIO + // 0x00000020 [5] : OVERCURR_DETECT_EN (0) + // 0x00000010 [4] : OVERCURR_DETECT (0) + // 0x00000008 [3] : VBUS_DETECT_OVERRIDE_EN (0) + // 0x00000004 [2] : VBUS_DETECT (0) + // 0x00000002 [1] : VBUS_EN_OVERRIDE_EN (0) + // 0x00000001 [0] : VBUS_EN (0) io_rw_32 pwr; + + _REG_(USB_USBPHY_DIRECT_OFFSET) // USB_USBPHY_DIRECT + // This register allows for direct control of the USB phy + // 0x00400000 [22] : DM_OVV (0): DM over voltage + // 0x00200000 [21] : DP_OVV (0): DP over voltage + // 0x00100000 [20] : DM_OVCN (0): DM overcurrent + // 0x00080000 [19] : DP_OVCN (0): DP overcurrent + // 0x00040000 [18] : RX_DM (0): DPM pin state + // 0x00020000 [17] : RX_DP (0): DPP pin state + // 0x00010000 [16] : RX_DD (0): Differential RX + // 0x00008000 [15] : TX_DIFFMODE (0): TX_DIFFMODE=0: Single ended mode + // 0x00004000 [14] : TX_FSSLEW (0): TX_FSSLEW=0: Low speed slew rate + // 0x00002000 [13] : TX_PD (0): TX power down override (if override enable is set) + // 0x00001000 [12] : RX_PD (0): RX power down override (if override enable is set) + // 0x00000800 [11] : TX_DM (0): Output data + // 0x00000400 [10] : TX_DP (0): Output data + // 0x00000200 [9] : TX_DM_OE (0): Output enable + // 0x00000100 [8] : TX_DP_OE (0): Output enable + // 0x00000040 [6] : DM_PULLDN_EN (0): DM pull down enable + // 0x00000020 [5] : DM_PULLUP_EN (0): DM pull up enable + // 0x00000010 [4] : DM_PULLUP_HISEL (0): Enable the second DM pull up resistor + // 0x00000004 [2] : DP_PULLDN_EN (0): DP pull down enable + // 0x00000002 [1] : DP_PULLUP_EN (0): DP pull up enable + // 0x00000001 [0] : DP_PULLUP_HISEL (0): Enable the second DP pull up resistor io_rw_32 phy_direct; + + _REG_(USB_USBPHY_DIRECT_OVERRIDE_OFFSET) // USB_USBPHY_DIRECT_OVERRIDE + // Override enable for each control in usbphy_direct + // 0x00008000 [15] : TX_DIFFMODE_OVERRIDE_EN (0) + // 0x00001000 [12] : DM_PULLUP_OVERRIDE_EN (0) + // 0x00000800 [11] : TX_FSSLEW_OVERRIDE_EN (0) + // 0x00000400 [10] : TX_PD_OVERRIDE_EN (0) + // 0x00000200 [9] : RX_PD_OVERRIDE_EN (0) + // 0x00000100 [8] : TX_DM_OVERRIDE_EN (0) + // 0x00000080 [7] : TX_DP_OVERRIDE_EN (0) + // 0x00000040 [6] : TX_DM_OE_OVERRIDE_EN (0) + // 0x00000020 [5] : TX_DP_OE_OVERRIDE_EN (0) + // 0x00000010 [4] : DM_PULLDN_EN_OVERRIDE_EN (0) + // 0x00000008 [3] : DP_PULLDN_EN_OVERRIDE_EN (0) + // 0x00000004 [2] : DP_PULLUP_EN_OVERRIDE_EN (0) + // 0x00000002 [1] : DM_PULLUP_HISEL_OVERRIDE_EN (0) + // 0x00000001 [0] : DP_PULLUP_HISEL_OVERRIDE_EN (0) io_rw_32 phy_direct_override; + + _REG_(USB_USBPHY_TRIM_OFFSET) // USB_USBPHY_TRIM + // Used to adjust trim values of USB phy pull down resistors + // 0x00001f00 [12:8] : DM_PULLDN_TRIM (0x1f): Value to drive to USB PHY + // 0x0000001f [4:0] : DP_PULLDN_TRIM (0x1f): Value to drive to USB PHY io_rw_32 phy_trim; - io_rw_32 linestate_tuning; - io_rw_32 intr; + + uint32_t _pad0; + + _REG_(USB_INTR_OFFSET) // USB_INTR + // Raw Interrupts + // 0x00080000 [19] : EP_STALL_NAK (0): Raised when any bit in EP_STATUS_STALL_NAK is set + // 0x00040000 [18] : ABORT_DONE (0): Raised when any bit in ABORT_DONE is set + // 0x00020000 [17] : DEV_SOF (0): Set every time the device receives a SOF (Start of Frame) packet + // 0x00010000 [16] : SETUP_REQ (0): Device + // 0x00008000 [15] : DEV_RESUME_FROM_HOST (0): Set when the device receives a resume from the host + // 0x00004000 [14] : DEV_SUSPEND (0): Set when the device suspend state changes + // 0x00002000 [13] : DEV_CONN_DIS (0): Set when the device connection state changes + // 0x00001000 [12] : BUS_RESET (0): Source: SIE_STATUS + // 0x00000800 [11] : VBUS_DETECT (0): Source: SIE_STATUS + // 0x00000400 [10] : STALL (0): Source: SIE_STATUS + // 0x00000200 [9] : ERROR_CRC (0): Source: SIE_STATUS + // 0x00000100 [8] : ERROR_BIT_STUFF (0): Source: SIE_STATUS + // 0x00000080 [7] : ERROR_RX_OVERFLOW (0): Source: SIE_STATUS + // 0x00000040 [6] : ERROR_RX_TIMEOUT (0): Source: SIE_STATUS + // 0x00000020 [5] : ERROR_DATA_SEQ (0): Source: SIE_STATUS + // 0x00000010 [4] : BUFF_STATUS (0): Raised when any bit in BUFF_STATUS is set + // 0x00000008 [3] : TRANS_COMPLETE (0): Raised every time SIE_STATUS + // 0x00000004 [2] : HOST_SOF (0): Host: raised every time the host sends a SOF (Start of Frame) + // 0x00000002 [1] : HOST_RESUME (0): Host: raised when a device wakes up the host + // 0x00000001 [0] : HOST_CONN_DIS (0): Host: raised when a device is connected or disconnected (i + io_ro_32 intr; + + _REG_(USB_INTE_OFFSET) // USB_INTE + // Interrupt Enable + // 0x00080000 [19] : EP_STALL_NAK (0): Raised when any bit in EP_STATUS_STALL_NAK is set + // 0x00040000 [18] : ABORT_DONE (0): Raised when any bit in ABORT_DONE is set + // 0x00020000 [17] : DEV_SOF (0): Set every time the device receives a SOF (Start of Frame) packet + // 0x00010000 [16] : SETUP_REQ (0): Device + // 0x00008000 [15] : DEV_RESUME_FROM_HOST (0): Set when the device receives a resume from the host + // 0x00004000 [14] : DEV_SUSPEND (0): Set when the device suspend state changes + // 0x00002000 [13] : DEV_CONN_DIS (0): Set when the device connection state changes + // 0x00001000 [12] : BUS_RESET (0): Source: SIE_STATUS + // 0x00000800 [11] : VBUS_DETECT (0): Source: SIE_STATUS + // 0x00000400 [10] : STALL (0): Source: SIE_STATUS + // 0x00000200 [9] : ERROR_CRC (0): Source: SIE_STATUS + // 0x00000100 [8] : ERROR_BIT_STUFF (0): Source: SIE_STATUS + // 0x00000080 [7] : ERROR_RX_OVERFLOW (0): Source: SIE_STATUS + // 0x00000040 [6] : ERROR_RX_TIMEOUT (0): Source: SIE_STATUS + // 0x00000020 [5] : ERROR_DATA_SEQ (0): Source: SIE_STATUS + // 0x00000010 [4] : BUFF_STATUS (0): Raised when any bit in BUFF_STATUS is set + // 0x00000008 [3] : TRANS_COMPLETE (0): Raised every time SIE_STATUS + // 0x00000004 [2] : HOST_SOF (0): Host: raised every time the host sends a SOF (Start of Frame) + // 0x00000002 [1] : HOST_RESUME (0): Host: raised when a device wakes up the host + // 0x00000001 [0] : HOST_CONN_DIS (0): Host: raised when a device is connected or disconnected (i io_rw_32 inte; + + _REG_(USB_INTF_OFFSET) // USB_INTF + // Interrupt Force + // 0x00080000 [19] : EP_STALL_NAK (0): Raised when any bit in EP_STATUS_STALL_NAK is set + // 0x00040000 [18] : ABORT_DONE (0): Raised when any bit in ABORT_DONE is set + // 0x00020000 [17] : DEV_SOF (0): Set every time the device receives a SOF (Start of Frame) packet + // 0x00010000 [16] : SETUP_REQ (0): Device + // 0x00008000 [15] : DEV_RESUME_FROM_HOST (0): Set when the device receives a resume from the host + // 0x00004000 [14] : DEV_SUSPEND (0): Set when the device suspend state changes + // 0x00002000 [13] : DEV_CONN_DIS (0): Set when the device connection state changes + // 0x00001000 [12] : BUS_RESET (0): Source: SIE_STATUS + // 0x00000800 [11] : VBUS_DETECT (0): Source: SIE_STATUS + // 0x00000400 [10] : STALL (0): Source: SIE_STATUS + // 0x00000200 [9] : ERROR_CRC (0): Source: SIE_STATUS + // 0x00000100 [8] : ERROR_BIT_STUFF (0): Source: SIE_STATUS + // 0x00000080 [7] : ERROR_RX_OVERFLOW (0): Source: SIE_STATUS + // 0x00000040 [6] : ERROR_RX_TIMEOUT (0): Source: SIE_STATUS + // 0x00000020 [5] : ERROR_DATA_SEQ (0): Source: SIE_STATUS + // 0x00000010 [4] : BUFF_STATUS (0): Raised when any bit in BUFF_STATUS is set + // 0x00000008 [3] : TRANS_COMPLETE (0): Raised every time SIE_STATUS + // 0x00000004 [2] : HOST_SOF (0): Host: raised every time the host sends a SOF (Start of Frame) + // 0x00000002 [1] : HOST_RESUME (0): Host: raised when a device wakes up the host + // 0x00000001 [0] : HOST_CONN_DIS (0): Host: raised when a device is connected or disconnected (i io_rw_32 intf; - io_rw_32 ints; + + _REG_(USB_INTS_OFFSET) // USB_INTS + // Interrupt status after masking & forcing + // 0x00080000 [19] : EP_STALL_NAK (0): Raised when any bit in EP_STATUS_STALL_NAK is set + // 0x00040000 [18] : ABORT_DONE (0): Raised when any bit in ABORT_DONE is set + // 0x00020000 [17] : DEV_SOF (0): Set every time the device receives a SOF (Start of Frame) packet + // 0x00010000 [16] : SETUP_REQ (0): Device + // 0x00008000 [15] : DEV_RESUME_FROM_HOST (0): Set when the device receives a resume from the host + // 0x00004000 [14] : DEV_SUSPEND (0): Set when the device suspend state changes + // 0x00002000 [13] : DEV_CONN_DIS (0): Set when the device connection state changes + // 0x00001000 [12] : BUS_RESET (0): Source: SIE_STATUS + // 0x00000800 [11] : VBUS_DETECT (0): Source: SIE_STATUS + // 0x00000400 [10] : STALL (0): Source: SIE_STATUS + // 0x00000200 [9] : ERROR_CRC (0): Source: SIE_STATUS + // 0x00000100 [8] : ERROR_BIT_STUFF (0): Source: SIE_STATUS + // 0x00000080 [7] : ERROR_RX_OVERFLOW (0): Source: SIE_STATUS + // 0x00000040 [6] : ERROR_RX_TIMEOUT (0): Source: SIE_STATUS + // 0x00000020 [5] : ERROR_DATA_SEQ (0): Source: SIE_STATUS + // 0x00000010 [4] : BUFF_STATUS (0): Raised when any bit in BUFF_STATUS is set + // 0x00000008 [3] : TRANS_COMPLETE (0): Raised every time SIE_STATUS + // 0x00000004 [2] : HOST_SOF (0): Host: raised every time the host sends a SOF (Start of Frame) + // 0x00000002 [1] : HOST_RESUME (0): Host: raised when a device wakes up the host + // 0x00000001 [0] : HOST_CONN_DIS (0): Host: raised when a device is connected or disconnected (i + io_ro_32 ints; } usb_hw_t; -check_hw_layout(usb_hw_t, ints, USB_INTS_OFFSET); - -#define usb_hw ((usb_hw_t *)USBCTRL_REGS_BASE) +#define usb_hw ((usb_hw_t *const)USBCTRL_REGS_BASE) #define usb_dpram ((usb_device_dpram_t *)USBCTRL_DPRAM_BASE) #define usbh_dpram ((usb_host_dpram_t *)USBCTRL_DPRAM_BASE) +static_assert( USB_HOST_INTERRUPT_ENDPOINTS == 15, ""); + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/vreg_and_chip_reset.h b/src/rp2040/hardware_structs/include/hardware/structs/vreg_and_chip_reset.h index 9956d68..1a3ba62 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/vreg_and_chip_reset.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/vreg_and_chip_reset.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,12 +10,37 @@ #define _HARDWARE_STRUCTS_VREG_AND_CHIP_RESET_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/vreg_and_chip_reset.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_vreg_and_chip_reset +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/vreg_and_chip_reset.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(VREG_AND_CHIP_RESET_VREG_OFFSET) // VREG_AND_CHIP_RESET_VREG + // Voltage regulator control and status + // 0x00001000 [12] : ROK (0): regulation status + // 0x000000f0 [7:4] : VSEL (0xb): output voltage select + // 0x00000002 [1] : HIZ (0): high impedance mode select + // 0x00000001 [0] : EN (1): enable io_rw_32 vreg; + + _REG_(VREG_AND_CHIP_RESET_BOD_OFFSET) // VREG_AND_CHIP_RESET_BOD + // brown-out detection control + // 0x000000f0 [7:4] : VSEL (0x9): threshold select + // 0x00000001 [0] : EN (1): enable io_rw_32 bod; + + _REG_(VREG_AND_CHIP_RESET_CHIP_RESET_OFFSET) // VREG_AND_CHIP_RESET_CHIP_RESET + // Chip reset control and status + // 0x01000000 [24] : PSM_RESTART_FLAG (0): This is set by psm_restart from the debugger + // 0x00100000 [20] : HAD_PSM_RESTART (0): Last reset was from the debug port + // 0x00010000 [16] : HAD_RUN (0): Last reset was from the RUN pin + // 0x00000100 [8] : HAD_POR (0): Last reset was from the power-on reset or brown-out detection blocks io_rw_32 chip_reset; } vreg_and_chip_reset_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/watchdog.h b/src/rp2040/hardware_structs/include/hardware/structs/watchdog.h index 2cf05f1..de17cca 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/watchdog.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/watchdog.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,14 +10,47 @@ #define _HARDWARE_STRUCTS_WATCHDOG_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/watchdog.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_watchdog +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/watchdog.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + typedef struct { + _REG_(WATCHDOG_CTRL_OFFSET) // WATCHDOG_CTRL + // Watchdog control + // 0x80000000 [31] : TRIGGER (0): Trigger a watchdog reset + // 0x40000000 [30] : ENABLE (0): When not enabled the watchdog timer is paused + // 0x04000000 [26] : PAUSE_DBG1 (1): Pause the watchdog timer when processor 1 is in debug mode + // 0x02000000 [25] : PAUSE_DBG0 (1): Pause the watchdog timer when processor 0 is in debug mode + // 0x01000000 [24] : PAUSE_JTAG (1): Pause the watchdog timer when JTAG is accessing the bus fabric + // 0x00ffffff [23:0] : TIME (0): Indicates the number of ticks / 2 (see errata RP2040-E1) before a watchdog reset will... io_rw_32 ctrl; + + _REG_(WATCHDOG_LOAD_OFFSET) // WATCHDOG_LOAD + // Load the watchdog timer + // 0x00ffffff [23:0] : LOAD (0) io_wo_32 load; + + _REG_(WATCHDOG_REASON_OFFSET) // WATCHDOG_REASON + // Logs the reason for the last reset + // 0x00000002 [1] : FORCE (0) + // 0x00000001 [0] : TIMER (0) io_ro_32 reason; + + _REG_(WATCHDOG_SCRATCH0_OFFSET) // WATCHDOG_SCRATCH0 io_rw_32 scratch[8]; + + _REG_(WATCHDOG_TICK_OFFSET) // WATCHDOG_TICK + // Controls the tick generator + // 0x000ff800 [19:11] : COUNT (0): Count down timer: the remaining number clk_tick cycles before the next tick is generated + // 0x00000400 [10] : RUNNING (0): Is the tick generator running? + // 0x00000200 [9] : ENABLE (1): start / stop tick generation + // 0x000001ff [8:0] : CYCLES (0): Total number of clk_tick cycles before the next tick io_rw_32 tick; } watchdog_hw_t; diff --git a/src/rp2040/hardware_structs/include/hardware/structs/xip_ctrl.h b/src/rp2040/hardware_structs/include/hardware/structs/xip_ctrl.h index bfa5b1c..79642a5 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/xip_ctrl.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/xip_ctrl.h @@ -1,29 +1,72 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ + #ifndef _HARDWARE_STRUCTS_XIP_CTRL_H #define _HARDWARE_STRUCTS_XIP_CTRL_H #include "hardware/address_mapped.h" #include "hardware/regs/xip.h" -typedef struct { - io_rw_32 ctrl; - io_rw_32 flush; - io_rw_32 stat; - io_rw_32 ctr_hit; - io_rw_32 ctr_acc; - io_rw_32 stream_addr; - io_rw_32 stream_ctr; - io_rw_32 stream_fifo; -} xip_ctrl_hw_t; +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_xip +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/xip.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION -#define XIP_STAT_FIFO_FULL 0x4u -#define XIP_STAT_FIFO_EMPTY 0x2u -#define XIP_STAT_FLUSH_RDY 0x1u +typedef struct { + _REG_(XIP_CTRL_OFFSET) // XIP_CTRL + // Cache control + // 0x00000008 [3] : POWER_DOWN (0): When 1, the cache memories are powered down + // 0x00000002 [1] : ERR_BADWRITE (1): When 1, writes to any alias other than 0x0 (caching, allocating) + // 0x00000001 [0] : EN (1): When 1, enable the cache + io_rw_32 ctrl; + + _REG_(XIP_FLUSH_OFFSET) // XIP_FLUSH + // Cache Flush control + // 0x00000001 [0] : FLUSH (0): Write 1 to flush the cache + io_rw_32 flush; + + _REG_(XIP_STAT_OFFSET) // XIP_STAT + // Cache Status + // 0x00000004 [2] : FIFO_FULL (0): When 1, indicates the XIP streaming FIFO is completely full + // 0x00000002 [1] : FIFO_EMPTY (1): When 1, indicates the XIP streaming FIFO is completely empty + // 0x00000001 [0] : FLUSH_READY (0): Reads as 0 while a cache flush is in progress, and 1 otherwise + io_ro_32 stat; + + _REG_(XIP_CTR_HIT_OFFSET) // XIP_CTR_HIT + // Cache Hit counter + io_rw_32 ctr_hit; + + _REG_(XIP_CTR_ACC_OFFSET) // XIP_CTR_ACC + // Cache Access counter + io_rw_32 ctr_acc; + + _REG_(XIP_STREAM_ADDR_OFFSET) // XIP_STREAM_ADDR + // FIFO stream address + // 0xfffffffc [31:2] : STREAM_ADDR (0): The address of the next word to be streamed from flash to the streaming FIFO + io_rw_32 stream_addr; + + _REG_(XIP_STREAM_CTR_OFFSET) // XIP_STREAM_CTR + // FIFO stream control + // 0x003fffff [21:0] : STREAM_CTR (0): Write a nonzero value to start a streaming read + io_rw_32 stream_ctr; + + _REG_(XIP_STREAM_FIFO_OFFSET) // XIP_STREAM_FIFO + // FIFO stream data + io_ro_32 stream_fifo; +} xip_ctrl_hw_t; #define xip_ctrl_hw ((xip_ctrl_hw_t *const)XIP_CTRL_BASE) +#define XIP_STAT_FIFO_FULL XIP_STAT_FIFO_FULL_BITS +#define XIP_STAT_FIFO_EMPTY XIP_STAT_FIFO_EMPTY_BITS +#define XIP_STAT_FLUSH_RDY XIP_STAT_FLUSH_READY_BITS + #endif diff --git a/src/rp2040/hardware_structs/include/hardware/structs/xosc.h b/src/rp2040/hardware_structs/include/hardware/structs/xosc.h index 698e6a2..ae3c0d9 100644 --- a/src/rp2040/hardware_structs/include/hardware/structs/xosc.h +++ b/src/rp2040/hardware_structs/include/hardware/structs/xosc.h @@ -1,5 +1,7 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + /* - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -8,16 +10,47 @@ #define _HARDWARE_STRUCTS_XOSC_H #include "hardware/address_mapped.h" -#include "hardware/platform_defs.h" #include "hardware/regs/xosc.h" +// Reference to datasheet: https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf#tab-registerlist_xosc +// +// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) +// _REG_(x) will link to the corresponding register in hardware/regs/xosc.h. +// +// Bit-field descriptions are of the form: +// BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION + /// \tag::xosc_hw[] typedef struct { + _REG_(XOSC_CTRL_OFFSET) // XOSC_CTRL + // Crystal Oscillator Control + // 0x00fff000 [23:12] : ENABLE (0): On power-up this field is initialised to DISABLE and the chip runs from the ROSC + // 0x00000fff [11:0] : FREQ_RANGE (0): Frequency range io_rw_32 ctrl; + + _REG_(XOSC_STATUS_OFFSET) // XOSC_STATUS + // Crystal Oscillator Status + // 0x80000000 [31] : STABLE (0): Oscillator is running and stable + // 0x01000000 [24] : BADWRITE (0): An invalid value has been written to CTRL_ENABLE or CTRL_FREQ_RANGE or DORMANT + // 0x00001000 [12] : ENABLED (0): Oscillator is enabled but not necessarily running and stable, resets to 0 + // 0x00000003 [1:0] : FREQ_RANGE (0): The current frequency range setting, always reads 0 io_rw_32 status; + + _REG_(XOSC_DORMANT_OFFSET) // XOSC_DORMANT + // Crystal Oscillator pause control io_rw_32 dormant; + + _REG_(XOSC_STARTUP_OFFSET) // XOSC_STARTUP + // Controls the startup delay + // 0x00100000 [20] : X4 (0): Multiplies the startup_delay by 4 + // 0x00003fff [13:0] : DELAY (0xc4): in multiples of 256*xtal_period io_rw_32 startup; - io_rw_32 _reserved[3]; + + uint32_t _pad0[3]; + + _REG_(XOSC_COUNT_OFFSET) // XOSC_COUNT + // A down counter running at the xosc frequency which counts to zero and stops + // 0x000000ff [7:0] : COUNT (0) io_rw_32 count; } xosc_hw_t; diff --git a/src/rp2_common/hardware_base/include/hardware/address_mapped.h b/src/rp2_common/hardware_base/include/hardware/address_mapped.h index 9f5846a..156939f 100644 --- a/src/rp2_common/hardware_base/include/hardware/address_mapped.h +++ b/src/rp2_common/hardware_base/include/hardware/address_mapped.h @@ -73,6 +73,13 @@ typedef volatile uint8_t io_wo_8; typedef volatile uint8_t *const ioptr; typedef ioptr const const_ioptr; +// A non-functional (empty) helper macro to help IDEs follow links from the autogenerated +// hardware struct headers in hardware/structs/xxx.h to the raw register definitions +// in hardware/regs/xxx.h. A preprocessor define such as TIMER_TIMEHW_OFFSET (a timer register offset) +// is not generally clickable (in an IDE) if placed in a C comment, so _REG_(TIMER_TIMEHW_OFFSET) is +// included outside of a comment instead +#define _REG_(x) + // Helper method used by hw_alias macros to optionally check input validity static __force_inline uint32_t hw_alias_check_addr(volatile void *addr) { uint32_t rc = (uintptr_t)addr; diff --git a/src/rp2_common/hardware_gpio/gpio.c b/src/rp2_common/hardware_gpio/gpio.c index 10b1502..2816b97 100644 --- a/src/rp2_common/hardware_gpio/gpio.c +++ b/src/rp2_common/hardware_gpio/gpio.c @@ -142,7 +142,7 @@ static void gpio_irq_handler(void) { io_irq_ctrl_hw_t *irq_ctrl_base = get_core_num() ? &iobank0_hw->proc1_irq_ctrl : &iobank0_hw->proc0_irq_ctrl; for (uint gpio = 0; gpio < NUM_BANK0_GPIOS; gpio++) { - io_rw_32 *status_reg = &irq_ctrl_base->ints[gpio / 8]; + io_ro_32 *status_reg = &irq_ctrl_base->ints[gpio / 8]; uint events = (*status_reg >> 4 * (gpio % 8)) & 0xf; if (events) { // TODO: If both cores care about this event then the second core won't get the irq?