/dts-v1/;
#include "stm32h743.dtsi"
#include "stm32h743-pinctrl.dtsi"
+#include <dt-bindings/memory/stm32-sdram.h>
/ {
model = "STMicroelectronics STM32H743i-EVAL board";
aliases {
serial0 = &usart1;
+ gpio0 = &gpioa;
+ gpio1 = &gpiob;
+ gpio2 = &gpioc;
+ gpio3 = &gpiod;
+ gpio4 = &gpioe;
+ gpio5 = &gpiof;
+ gpio6 = &gpiog;
+ gpio7 = &gpioh;
+ gpio8 = &gpioi;
+ gpio9 = &gpioj;
+ gpio10 = &gpiok;
};
};
-&clk_hse {
- clock-frequency = <125000000>;
-};
-
&usart1 {
pinctrl-0 = <&usart1_pins>;
pinctrl-names = "default";
status = "okay";
};
+&fmc {
+ pinctrl-0 = <&fmc_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ /*
+ * Memory configuration from sdram datasheet IS42S32800G-6BLI
+ * firsct bank is bank@0
+ * second bank is bank@1
+ */
+ bank2: bank@1 {
+ st,sdram-control = /bits/ 8 <NO_COL_9 NO_ROW_12 MWIDTH_32 BANKS_4
+ CAS_2 SDCLK_3 RD_BURST_EN RD_PIPE_DL_0>;
+ st,sdram-timing = /bits/ 8 <TMRD_1 TXSR_1 TRAS_1 TRC_6 TRP_2
+ TWR_1 TRCD_1>;
+ st,sdram-refcount = <1539>;
+ };
+};
+
+&sdmmc1 {
+ status = "okay";
+ pinctrl-0 = <&sdmmc1_pins>,
+ <&pinctrl_sdmmc1_level_shifter>;
+ pinctrl-names = "default";
+ bus-width = <4>;
+ st,dirpol;
+};