8000 Some peripheral support for the Daisy Seed stm32H750 board. · adafruit/circuitpython@71962eb · GitHub
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Some peripheral support for the Daisy Seed stm32H750 board.
- Added the SDRAM controller and set up heap to use the 64 MB external RAM - Added the rest of the board pin definitions from the pinout - Did peripheral pins cleanup for the stm32H750 chip - Added SDMMC peripheral and sdioio module support - Added pwmio support and started work on audiopwmio
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-55
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15 files changed

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‎locale/circuitpython.pot

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@@ -1369,6 +1369,11 @@ msgstr ""
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msgid "MITM security not supported"
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msgstr ""
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#: ports/stm/common-hal/sdioio/SDCard.c
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#, c-format
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msgid "MMC/SDIO Clock Error %x"
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msgstr ""
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#: shared-bindings/is31fl3741/IS31FL3741.c
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msgid "Mapping must be a tuple"
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msgstr ""

‎ports/stm/Makefile

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@@ -169,6 +169,13 @@ ifeq ($(MCU_VARIANT),$(filter $(MCU_VARIANT),STM32F765xx STM32F767xx STM32F769xx
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SRC_STM32 += $(HAL_DIR)/Src/stm32$(MCU_SERIES_LOWER)xx_hal_uart_ex.c
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endif
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172+
ifeq ($(MCU_VARIANT),$(filter $(MCU_VARIANT),STM32H750xx))
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C_DEFS += -DHAL_SDRAM_MODULE_ENABLED
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SRC_STM32 += st_driver/stm32$(MCU_SERIES_LOWER)xx_hal_driver/Src/stm32h7xx_hal_sdram.c
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SRC_STM32 += st_driver/stm32$(MCU_SERIES_LOWER)xx_hal_driver/Src/stm32h7xx_ll_fmc.c
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SRC_C += peripherals/sdram.c
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endif
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SRC_STM32 += boards/system_stm32$(MCU_SERIES_LOWER)xx.c
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SRC_C += \

‎ports/stm/boards/daisy_seed_with_sdram/mpconfigboard.h

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@@ -31,3 +31,40 @@
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// for RNG not audio
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#define CPY_CLK_USB_USES_AUDIOPLL (1)
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// SDRAM -- on FMC controller
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#define CPY_SDRAM_REGION MPU_REGION_NUMBER10
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#define CPY_SDRAM_REGION_SIZE MPU_REGION_SIZE_64MB
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#define CIRCUITPY_HW_FMC_SDCKE0
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#define CIRCUITPY_HW_FMC_SDNE0
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#define CIRCUITPY_HW_SDRAM_SIZE (64 * 1024 * 1024) // 64 MByte
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#define CIRCUITPY_HW_SDRAM_STARTUP_TEST (1)
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#define CIRCUITPY_HW_FMC_SWAP_BANKS (0)
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#define CIRCUITPY_HW_SDRAM_CLOCK_PERIOD 2
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#define CIRCUITPY_HW_SDRAM_CAS_LATENCY 3
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#define CIRCUITPY_HW_SDRAM_FREQUENCY_KHZ (100000) // 100 MHz
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#define CIRCUITPY_HW_SDRAM_TIMING_TMRD (2)
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#define CIRCUITPY_HW_SDRAM_TIMING_TXSR (8)
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#define CIRCUITPY_HW_SDRAM_TIMING_TRAS (5)
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#define CIRCUITPY_HW_SDRAM_TIMING_TRC (6)
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#define CIRCUITPY_HW_SDRAM_TIMING_TWR (3)
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#define CIRCUITPY_HW_SDRAM_TIMING_TRP (2)
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#define CIRCUITPY_HW_SDRAM_TIMING_TRCD (2)
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#define CIRCUITPY_HW_SDRAM_ROW_BITS_NUM 13
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#define CIRCUITPY_HW_SDRAM_MEM_BUS_WIDTH 32
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#define CIRCUITPY_HW_SDRAM_REFRESH_CYCLES 8192
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#define CIRCUITPY_HW_SDRAM_COLUMN_BITS_NUM 9
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#define CIRCUITPY_HW_SDRAM_INTERN_BANKS_NUM 4
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#define CIRCUITPY_HW_SDRAM_RPIPE_DELAY 0
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#define CIRCUITPY_HW_SDRAM_RBURST (1)
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#define CIRCUITPY_HW_SDRAM_WRITE_PROTECTION (0)
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#define CIRCUITPY_HW_SDRAM_AUTOREFRESH_NUM (8)
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#define CIRCUITPY_HW_SDRAM_BURST_LENGTH 4
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#define CIRCUITPY_HW_SDRAM_REFRESH_RATE (64) // ms

‎ports/stm/boards/daisy_seed_with_sdram/mpconfigboard.mk

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@@ -12,3 +12,7 @@ MCU_PACKAGE = UFBGA176
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LD_COMMON = boards/common_tcm.ld
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LD_FILE = boards/STM32H750.ld
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CIRCUITPY_SDIOIO = 1
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CIRCUITPY_PWMIO = 1
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CIRCUITPY_AUDIOPWMIO = 1

‎ports/stm/boards/daisy_seed_with_sdram/pins.c

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@@ -6,8 +6,56 @@
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#include "shared-bindings/board/__init__.h"
88

9+
// See pinout on Daisy Seed product page
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// https://electro-smith.com/products/daisy-seed?variant=45234245108004
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static const mp_rom_map_elem_t board_module_globals_table[] = {
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{MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_PC07)},
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{MP_ROM_QSTR(MP_QSTR_BOOT), MP_ROM_PTR(&pin_PG03)},
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{MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_PB12)},
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{MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_PC11)},
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{MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_PC10)},
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{MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_PC09)},
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{MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_PC08)},
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{MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_PD02)},
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{MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_PC12)},
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{MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_PG10)},
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{MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_PG11)},
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{MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_PB04)},
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{MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_PB05)},
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{MP_ROM_QSTR(MP_QSTR_D11), MP_ROM_PTR(&pin_PB08)},
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{MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_PB09)},
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{MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PB06)},
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{MP_ROM_QSTR(MP_QSTR_D14), MP_ROM_PTR(&pin_PB07)},
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{MP_ROM_QSTR(MP_QSTR_D15), MP_ROM_PTR(&pin_PC00)},
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{MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_PC00)},
32+
{MP_ROM_QSTR(MP_QSTR_D16), MP_ROM_PTR(&pin_PA03)},
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{MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PA03)},
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{MP_ROM_QSTR(MP_QSTR_D17), MP_ROM_PTR(&pin_PB01)},
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{MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_PB01)},
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{MP_ROM_QSTR(MP_QSTR_D18), MP_ROM_PTR(&pin_PA07)},
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{MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_PA07)},
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{MP_ROM_QSTR(MP_QSTR_D19), MP_ROM_PTR(&pin_PA06)},
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{MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_PA06)},
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{MP_ROM_QSTR(MP_QSTR_D20), MP_ROM_PTR(&pin_PC01)},
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{MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_PC01)},
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{MP_ROM_QSTR(MP_QSTR_D21), MP_ROM_PTR(&pin_PC04)},
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{MP_ROM_QSTR(MP_QSTR_A6), MP_ROM_PTR(&pin_PC04)},
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{MP_ROM_QSTR(MP_QSTR_D22), MP_ROM_PTR(&pin_PA05)},
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{MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_PA05)},
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{MP_ROM_QSTR(MP_QSTR_D23), MP_ROM_PTR(&pin_PA04)},
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{MP_ROM_QSTR(MP_QSTR_A8), MP_ROM_PTR(&pin_PA04)},
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{MP_ROM_QSTR(MP_QSTR_D24), MP_ROM_PTR(&pin_PA01)},
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{MP_ROM_QSTR(MP_QSTR_A9), MP_ROM_PTR(&pin_PA01)},
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{MP_ROM_QSTR(MP_QSTR_D25), MP_ROM_PTR(&pin_PA00)},
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{MP_ROM_QSTR(MP_QSTR_A10), MP_ROM_PTR(&pin_PA00)},
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{MP_ROM_QSTR(MP_QSTR_D26), MP_ROM_PTR(&pin_PD11)},
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{MP_ROM_QSTR(MP_QSTR_D27), MP_ROM_PTR(&pin_PG09)},
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{MP_ROM_QSTR(MP_QSTR_D28), MP_ROM_PTR(&pin_PA02)},
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{MP_ROM_QSTR(MP_QSTR_A11), MP_ROM_PTR(&pin_PA02)},
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{MP_ROM_QSTR(MP_QSTR_D29), MP_ROM_PTR(&pin_PB14)},
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{MP_ROM_QSTR(MP_QSTR_D30), MP_ROM_PTR(&pin_PB15)},
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

‎ports/stm/common-hal/sdioio/SDCard.c

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Original file line numberDiff line numberDiff line change
@@ -104,7 +104,11 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
104104
uint8_t num_data, const mcu_pin_obj_t **data, uint32_t frequency) {
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106106
int periph_index = check_pins(self, clock, command, num_data, data);
107+
#ifdef STM32H750xx
108+
SDMMC_TypeDef *SDMMCx = mcu_sdio_banks[periph_index - 1];
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#else
107110
SDIO_TypeDef *SDIOx = mcu_sdio_banks[periph_index - 1];
111+
#endif
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109113
GPIO_InitTypeDef GPIO_InitStruct = {0};
110114

@@ -128,6 +132,25 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
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GPIO_InitStruct.Pin = pin_mask(clock->number);
129133
HAL_GPIO_Init(pin_port(clock->port), &GPIO_InitStruct);
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135+
#ifdef STM32H750xx
136+
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
137+
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SDMMC;
138+
PeriphClkInitStruct.SdmmcClockSelection = RCC_SDMMCCLKSOURCE_PLL;
139+
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
140+
mp_raise_ValueError_varg(MP_ERROR_TEXT("MMC/SDIO Clock Error %x"));
141+
}
142+
__HAL_RCC_SDMMC1_CLK_ENABLE();
143+
144+
self->handle.Init.ClockDiv = SDMMC_NSPEED_CLK_DIV;
145+
self->handle.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
146+
self->handle.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
147+
self->handle.Init.BusWide = SDMMC_BUS_WIDE_1B;
148+
// For the SDMMC controller Hardware Flow Control needs to be enabled
149+
// at the default speed of 25MHz, in order to avoid FIFO underrun (TX mode)
150+
// and overrun (RX mode) errors.
151+
self->handle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_ENABLE;
152+
self->handle.Instance = SDMMCx;
153+
#else
131154
__HAL_RCC_SDIO_CLK_ENABLE();
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133156
self->handle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
@@ -137,6 +160,7 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
137160
self->handle.Init.BusWide = SDIO_BUS_WIDE_1B;
138161
self->handle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
139162
self->handle.Instance = SDIOx;
163+
#endif
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141165
HAL_StatusTypeDef r = HAL_SD_Init(&self->handle);
142166
if (r != HAL_OK) {
@@ -150,9 +174,14 @@ void common_hal_sdioio_sdcard_construct(sdioio_sdcard_obj_t *self,
150174
}
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152176
self->num_data = 1;
177+
#ifdef STM32H750xx
178+
uint32_t bus_wide_opt = SDMMC_BUS_WIDE_4B;
179+
#else
180+
uint32_t bus_wide_opt = SDIO_BUS_WIDE_4B;
181+
#endif
153182
if (num_data == 4) {
154-
if ((r = HAL_SD_ConfigWideBusOperation(&self->handle, SDIO_BUS_WIDE_4B)) == HAL_SD_ERROR_NONE) {
155-
self->handle.Init.BusWide = SDIO_BUS_WIDE_4B;
183+
if ((r = HAL_SD_ConfigWideBusOperation(&self->handle, bus_wide_opt)) == HAL_SD_ERROR_NONE) {
184+
self->handle.Init.BusWide = bus_wide_opt;
156185
self->num_data = 4;
157186
} else {
158187
}
@@ -216,7 +245,13 @@ int common_hal_sdioio_sdcard_writeblocks(sdioio_sdcard_obj_t *self, uint32_t sta
216245
wait_write_complete(self);
217246
self->state_programming = true;
218247
common_hal_mcu_disable_interrupts();
219-
HAL_StatusTypeDef r = HAL_SD_WriteBlocks(&self->handle, bufinfo->buf, start_block, bufinfo->len / 512, 1000);
248+
#ifdef STM32H750xx
249+
// longer timeouts needed because 10BB1 code executing from QSPI is slower
250+
uint32_t time_out = SDMMC_DATATIMEOUT;
251+
#else
252+
uint32_t time_out = 1000;
253+
#endif
254+
HAL_StatusTypeDef r = HAL_SD_WriteBlocks(&self->handle, bufinfo->buf, start_block, bufinfo->len / 512, time_out);
220255
common_hal_mcu_enable_interrupts();
221256
if (r != HAL_OK) {
222257
return -EIO;
@@ -229,7 +264,13 @@ int common_hal_sdioio_sdcard_readblocks(sdioio_sdcard_obj_t *self, uint32_t star
229264
check_whole_block(bufinfo);
230265
wait_write_complete(self);
231266
common_hal_mcu_disable_interrupts();
232-
HAL_StatusTypeDef r = HAL_SD_ReadBlocks(&self->handle, bufinfo->buf, start_block, bufinfo->len / 512, 1000);
267+
#ifdef STM32H750xx
268+
// longer timeouts needed because code executing from QSPI is slower
269+
uint32_t time_out = SDMMC_DATATIMEOUT;
270+
#else
271+
uint32_t time_out = 1000;
272+
#endif
273+
HAL_StatusTypeDef r = HAL_SD_ReadBlocks(&self->handle, bufinfo->buf, start_block, bufinfo->len / 512, time_out);
233274
common_hal_mcu_enable_interrupts();
234275
if (r != HAL_OK) {
235276
return -EIO;

‎ports/stm/peripherals/periph.h

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@@ -30,7 +30,7 @@ typedef struct {
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// Timer Peripheral
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typedef struct {
33-
uint8_t tim_index : 4;
33+
uint8_t tim_index : 5;
3434
uint8_t altfn_index : 4;
3535
uint8_t channel_index : 4;
3636
const mcu_pin_obj_t *pin;

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