ARM: dts: stm32: split sdram pin & timing parameter into specific board dts
As different boards has their own sdram hw connection, mount different
sdram modules, so move sdram timing parameter and pin configuration
to their board device tree.
Signed-off-by: dillon min <dillon.minfei@gmail.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/arch/arm/dts/stm32h743i-disco-u-boot.dtsi b/arch/arm/dts/stm32h743i-disco-u-boot.dtsi
index 5965afc..02e28c6 100644
--- a/arch/arm/dts/stm32h743i-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32h743i-disco-u-boot.dtsi
@@ -1,3 +1,101 @@
// SPDX-License-Identifier: GPL-2.0+
#include <stm32h7-u-boot.dtsi>
+
+&fmc {
+
+ /*
+ * Memory configuration from sdram datasheet IS42S32800G-6BLI
+ * first bank is bank@0
+ * second bank is bank@1
+ */
+ bank1: 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>;
+ };
+};
+
+&pinctrl {
+ fmc_pins: fmc@0 {
+ pins {
+ pinmux = <STM32_PINMUX('D', 0, AF12)>,
+ <STM32_PINMUX('D', 1, AF12)>,
+ <STM32_PINMUX('D', 8, AF12)>,
+ <STM32_PINMUX('D', 9, AF12)>,
+ <STM32_PINMUX('D',10, AF12)>,
+ <STM32_PINMUX('D',14, AF12)>,
+ <STM32_PINMUX('D',15, AF12)>,
+
+ <STM32_PINMUX('E', 0, AF12)>,
+ <STM32_PINMUX('E', 1, AF12)>,
+ <STM32_PINMUX('E', 7, AF12)>,
+ <STM32_PINMUX('E', 8, AF12)>,
+ <STM32_PINMUX('E', 9, AF12)>,
+ <STM32_PINMUX('E',10, AF12)>,
+ <STM32_PINMUX('E',11, AF12)>,
+ <STM32_PINMUX('E',12, AF12)>,
+ <STM32_PINMUX('E',13, AF12)>,
+ <STM32_PINMUX('E',14, AF12)>,
+ <STM32_PINMUX('E',15, AF12)>,
+
+ <STM32_PINMUX('F', 0, AF12)>,
+ <STM32_PINMUX('F', 1, AF12)>,
+ <STM32_PINMUX('F', 2, AF12)>,
+ <STM32_PINMUX('F', 3, AF12)>,
+ <STM32_PINMUX('F', 4, AF12)>,
+ <STM32_PINMUX('F', 5, AF12)>,
+ <STM32_PINMUX('F',11, AF12)>,
+ <STM32_PINMUX('F',12, AF12)>,
+ <STM32_PINMUX('F',13, AF12)>,
+ <STM32_PINMUX('F',14, AF12)>,
+ <STM32_PINMUX('F',15, AF12)>,
+
+ <STM32_PINMUX('G', 0, AF12)>,
+ <STM32_PINMUX('G', 1, AF12)>,
+ <STM32_PINMUX('G', 2, AF12)>,
+ <STM32_PINMUX('G', 4, AF12)>,
+ <STM32_PINMUX('G', 5, AF12)>,
+ <STM32_PINMUX('G', 8, AF12)>,
+ <STM32_PINMUX('G',15, AF12)>,
+
+ <STM32_PINMUX('H', 5, AF12)>,
+ <STM32_PINMUX('H', 6, AF12)>,
+ <STM32_PINMUX('H', 7, AF12)>,
+ <STM32_PINMUX('H', 8, AF12)>,
+ <STM32_PINMUX('H', 9, AF12)>,
+ <STM32_PINMUX('H',10, AF12)>,
+ <STM32_PINMUX('H',11, AF12)>,
+ <STM32_PINMUX('H',12, AF12)>,
+ <STM32_PINMUX('H',13, AF12)>,
+ <STM32_PINMUX('H',14, AF12)>,
+ <STM32_PINMUX('H',15, AF12)>,
+
+ <STM32_PINMUX('I', 0, AF12)>,
+ <STM32_PINMUX('I', 1, AF12)>,
+ <STM32_PINMUX('I', 2, AF12)>,
+ <STM32_PINMUX('I', 3, AF12)>,
+ <STM32_PINMUX('I', 4, AF12)>,
+ <STM32_PINMUX('I', 5, AF12)>,
+ <STM32_PINMUX('I', 6, AF12)>,
+ <STM32_PINMUX('I', 7, AF12)>,
+ <STM32_PINMUX('I', 9, AF12)>,
+ <STM32_PINMUX('I',10, AF12)>;
+
+ slew-rate = <3>;
+ };
+ };
+};