8000 stm32/sdram: Enable onboard SDRAM for STM32F429DISC target · micropython/micropython@f8f9680 · GitHub
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stm32/sdram: Enable onboard SDRAM for STM32F429DISC target
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‎ports/stm32/boards/STM32F429DISC/mpconfigboard.h

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@@ -72,3 +72,66 @@
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#define MICROPY_HW_USB_HS_IN_FS (1)
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#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_B13)
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#define MICROPY_HW_USB_OTG_ID_PIN (pin_B12)
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// SDRAM
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#define MICROPY_HW_SDRAM_SIZE (64 / 8 * 1024 * 1024) // 64 Mbit
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#define MICROPY_HW_SDRAM_STARTUP_TEST (1)
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/* Timing configuration for 90 Mhz (11.90ns) of SD clock frequency (180Mhz/2) */
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#define MICROPY_HW_SDRAM_TIMING_TMRD 2
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#define MICROPY_HW_SDRAM_TIMING_TXSR 7
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#define MICROPY_HW_SDRAM_TIMING_TRAS 4
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#define MICROPY_HW_SDRAM_TIMING_TRC 7
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#define MICROPY_HW_SDRAM_TIMING_TWR 2
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#define MICROPY_HW_SDRAM_TIMING_TRP 2
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#define MICROPY_HW_SDRAM_TIMING_TRCD 2
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#define MICROPY_HW_SDRAM_REFRESH_RATE 64 /* ms */
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#define MICROPY_HW_SDRAM_CAS_LATENCY 3
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#define MICROPY_HW_SDRAM_COLUMN_BITS_NUM 8
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#define MICROPY_HW_SDRAM_ROW_BITS_NUM 12
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#define MICROPY_HW_SDRAM_MEM_BUS_WIDTH 16
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#define MICROPY_HW_SDRAM_INTERN_BANKS_NUM 4
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#define MICROPY_HW_SDRAM_CLOCK_PERIOD 2
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#define MICROPY_HW_SDRAM_RPIPE_DELAY 1
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#define MICROPY_HW_SDRAM_RBURST (0)
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#define MICROPY_HW_SDRAM_WRITE_PROTECTION (0)
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#define MICROPY_HW_FMC_SDCKE1 (pin_B5)
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#define MICROPY_HW_FMC_SDNE1 (pin_B6)
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#define MICROPY_HW_FMC_SDCLK (pin_G8)
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#define MICROPY_HW_FMC_SDNCAS (pin_G15)
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#define MICROPY_HW_FMC_SDNRAS (pin_F11)
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#define MICROPY_HW_FMC_SDNWE (pin_C0)
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#define MICROPY_HW_FMC_BA0 (pin_G4)
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#define MICROPY_HW_FMC_BA1 (pin_G5)
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#define MICROPY_HW_FMC_NBL0 (pin_E0)
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#define MICROPY_HW_FMC_NBL1 (pin_E1)
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#define MICROPY_HW_FMC_A0 (pin_F0)
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#define MICROPY_HW_FMC_A1 (pin_F1)
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#define MICROPY_HW_FMC_A2 (pin_F2)
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#define MICROPY_HW_FMC_A3 (pin_F3)
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#define MICROPY_HW_FMC_A4 (pin_F4)
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#define MICROPY_HW_FMC_A5 (pin_F5)
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#define MICROPY_HW_FMC_A6 (pin_F12)
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#define MICROPY_HW_FMC_A7 (pin_F13)
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#define MICROPY_HW_FMC_A8 (pin_F14)
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#define MICROPY_HW_FMC_A9 (pin_F15)
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#define MICROPY_HW_FMC_A10 (pin_G0)
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#define MICROPY_HW_FMC_A11 (pin_G1)
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#define MICROPY_HW_FMC_D0 (pin_D14)
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#define MICROPY_HW_FMC_D1 (pin_D15)
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#define MICROPY_HW_FMC_D2 (pin_D0)
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#define MICROPY_HW_FMC_D3 (pin_D1)
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#define MICROPY_HW_FMC_D4 (pin_E7)
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#define MICROPY_HW_FMC_D5 (pin_E8)
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#define MICROPY_HW_FMC_D6 (pin_E9)
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#define MICROPY_HW_FMC_D7 (pin_E10)
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#define MICROPY_HW_FMC_D8 (pin_E11)
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#define MICROPY_HW_FMC_D9 (pin_E12)
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#define MICROPY_HW_FMC_D10 (pin_E13)
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#define MICROPY_HW_FMC_D11 (pin_E14)
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#define MICROPY_HW_FMC_D12 (pin_E15)
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#define MICROPY_HW_FMC_D13 (pin_D8)
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#define MICROPY_HW_FMC_D14 (pin_D9)
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#define MICROPY_HW_FMC_D15 (pin_D10)

‎ports/stm32/boards/STM32F429DISC/stm32f4xx_hal_conf.h

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@@ -65,7 +65,7 @@
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/* #define HAL_NOR_MODULE_ENABLED */
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/* #define HAL_PCCARD_MODULE_ENABLED */
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/* #define HAL_SRAM_MODULE_ENABLED */
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/* #define HAL_SDRAM_MODULE_ENABLED */
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#define HAL_SDRAM_MODULE_ENABLED
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/* #define HAL_HASH_MODULE_ENABLED */
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#define HAL_GPIO_MODULE_ENABLED
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#define HAL_I2C_MODULE_ENABLED

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