From 94343e20e590473ff1e31bd31c654befa42307a7 Mon Sep 17 00:00:00 2001 From: iabdalkader Date: Tue, 10 Dec 2024 14:07:29 +0100 Subject: [PATCH] stm32/boards/STM32F429DISC: Fix SDRAM configuration. Define SDRAM frequency and refresh cycles. This was missed in commit 17808e7b749b269b58dcee67df599a0c61d455bd. Signed-off-by: iabdalkader --- ports/stm32/boards/STM32F429DISC/mpconfigboard.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/ports/stm32/boards/STM32F429DISC/mpconfigboard.h b/ports/stm32/boards/STM32F429DISC/mpconfigboard.h index 5d9287242b..92e8ca411b 100644 --- a/ports/stm32/boards/STM32F429DISC/mpconfigboard.h +++ b/ports/stm32/boards/STM32F429DISC/mpconfigboard.h @@ -100,6 +100,7 @@ #define MICROPY_HW_SDRAM_BURST_LENGTH 2 #define MICROPY_HW_SDRAM_CAS_LATENCY 3 +#define MICROPY_HW_SDRAM_FREQUENCY_KHZ (90000) // 90 MHz #define MICROPY_HW_SDRAM_COLUMN_BITS_NUM 8 #define MICROPY_HW_SDRAM_ROW_BITS_NUM 12 #define MICROPY_HW_SDRAM_MEM_BUS_WIDTH 16 @@ -109,6 +110,7 @@ #define MICROPY_HW_SDRAM_RBURST (0) #define MICROPY_HW_SDRAM_WRITE_PROTECTION (0) #define MICROPY_HW_SDRAM_AUTOREFRESH_NUM (4) +#define MICROPY_HW_SDRAM_REFRESH_CYCLES 8192 #define MICROPY_HW_FMC_SDCKE1 (pin_B5) #define MICROPY_HW_FMC_SDNE1 (pin_B6)