From: Patrice Chotard <patrice.chot...@st.com>
_ Add gpio compatible and aliases for stm32f429
_ Add FMC sdram node with associated new bindings value to
manage second bank (ie bank 1).
_ Add "u-boot,dm-pre-reloc" for rcc, fmc, fixed-clock, pinctrl,
pwrcfg and gpio nodes.
Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
---
arch/arm/dts/stm32f429-disco-u-boot.dtsi | 204 +++++++++++++++++++++++++++++++
include/dt-bindings/memory/stm32-sdram.h | 2 +
2 files changed, 206 insertions(+)
create mode 100644 arch/arm/dts/stm32f429-disco-u-boot.dtsi
diff --git a/arch/arm/dts/stm32f429-disco-u-boot.dtsi
b/arch/arm/dts/stm32f429-disco-u-boot.dtsi
new file mode 100644
index 0000000..59dda43
--- /dev/null
+++ b/arch/arm/dts/stm32f429-disco-u-boot.dtsi
@@ -0,0 +1,204 @@
+/*
+ * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
+ * Author(s): Patrice Chotard, <patrice.chot...@st.com> for STMicroelectronics.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <dt-bindings/memory/stm32-sdram.h>
+/{
+ clocks {
+ u-boot,dm-pre-reloc;
+ };
+
+ aliases {
+ /* Aliases for gpios so as to use sequence */
+ gpio0 = &gpioa;
+ gpio1 = &gpiob;
+ gpio2 = &gpioc;
+ gpio3 = &gpiod;
+ gpio4 = &gpioe;
+ gpio5 = &gpiof;
+ gpio6 = &gpiog;
+ gpio7 = &gpioh;
+ gpio8 = &gpioi;
+ gpio9 = &gpioj;
+ gpio10 = &gpiok;
+ };
+
+ soc {
+ u-boot,dm-pre-reloc;
+ pin-controller {
+ u-boot,dm-pre-reloc;
+ };
+
+ fmc: fmc@A0000000 {
+ compatible = "st,stm32-fmc";
+ reg = <0xA0000000 0x1000>;
+ clocks = <&rcc 0 STM32F4_AHB3_CLOCK(FMC)>;
+ pinctrl-0 = <&fmc_pins>;
+ pinctrl-names = "default";
+ u-boot,dm-pre-reloc;
+
+ /*
+ * Memory configuration from sdram datasheet
+ * IS42S16400J
+ */
+ bank1: bank@1 {
+ st,sdram-control = /bits/ 8 <NO_COL_8
+ NO_ROW_12
+ MWIDTH_16
+ BANKS_4
+ CAS_3
+ SDCLK_2
+ RD_BURST_EN
+ RD_PIPE_DL_0>;
+ st,sdram-timing = /bits/ 8 <TMRD_3
+ TXSR_7
+ TRAS_4
+ TRC_6
+ TWR_2
+ TRP_2 TRCD_2>;
+ st,sdram-refcount = < 1386 >;
+ };
+ };
+ };
+};
+
+&clk_hse {
+ u-boot,dm-pre-reloc;
+};
+
+&clk_lse {
+ u-boot,dm-pre-reloc;
+};
+
+&clk_i2s_ckin {
+ u-boot,dm-pre-reloc;
+};
+
+&pwrcfg {
+ u-boot,dm-pre-reloc;
+};
+
+&rcc {
+ u-boot,dm-pre-reloc;
+};
+
+&gpioa {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpiob {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpioc {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpiod {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpioe {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpiof {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpiog {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpioh {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpioi {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpioj {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&gpiok {
+ compatible = "st,stm32-gpio";
+ u-boot,dm-pre-reloc;
+};
+
+&pinctrl {
+ usart1_pins_a: usart1@0 {
+ u-boot,dm-pre-reloc;
+ pins1 {
+ u-boot,dm-pre-reloc;
+ };
+ pins2 {
+ u-boot,dm-pre-reloc;
+ };
+ };
+
+ fmc_pins: fmc@0 {
+ u-boot,dm-pre-reloc;
+ pins
+ {
+ pinmux = <STM32_PINMUX('D',10, AF12)>, /* D15 */
+ <STM32_PINMUX('D', 9, AF12)>, /* D14 */
+ <STM32_PINMUX('D', 8, AF12)>, /* D13 */
+ <STM32_PINMUX('E',15, AF12)>, /* D12 */
+ <STM32_PINMUX('E',14, AF12)>, /* D11 */
+ <STM32_PINMUX('E',13, AF12)>, /* D10 */
+ <STM32_PINMUX('E',12, AF12)>, /* D09 */
+ <STM32_PINMUX('E',11, AF12)>, /* D08 */
+ <STM32_PINMUX('E',10, AF12)>, /* D07 */
+ <STM32_PINMUX('E', 9, AF12)>, /* D06 */
+ <STM32_PINMUX('E', 8, AF12)>, /* D05 */
+ <STM32_PINMUX('E', 7, AF12)>, /* D04 */
+ <STM32_PINMUX('D', 1, AF12)>, /* D03 */
+ <STM32_PINMUX('D', 0, AF12)>, /* D02 */
+ <STM32_PINMUX('D',15, AF12)>, /* D01 */
+ <STM32_PINMUX('D',14, AF12)>, /* D00 */
+
+ <STM32_PINMUX('E', 0, AF12)>, /* NBL0 */
+ <STM32_PINMUX('E', 1, AF12)>, /* NBL1 */
+
+ <STM32_PINMUX('G', 5, AF12)>, /* BA1 */
+ <STM32_PINMUX('G', 4, AF12)>, /* BA0 */
+
+ <STM32_PINMUX('G', 1, AF12)>, /* A11 */
+ <STM32_PINMUX('G', 0, AF12)>, /* A10 */
+ <STM32_PINMUX('F',15, AF12)>, /* A09 */
+ <STM32_PINMUX('F',14, AF12)>, /* A08 */
+ <STM32_PINMUX('F',13, AF12)>, /* A07 */
+ <STM32_PINMUX('F',12, AF12)>, /* A06 */
+ <STM32_PINMUX('F', 5, AF12)>, /* A05 */
+ <STM32_PINMUX('F', 4, AF12)>, /* A04 */
+ <STM32_PINMUX('F', 3, AF12)>, /* A03 */
+ <STM32_PINMUX('F', 2, AF12)>, /* A02 */
+ <STM32_PINMUX('F', 1, AF12)>, /* A01 */
+ <STM32_PINMUX('F', 0, AF12)>, /* A00 */
+
+ <STM32_PINMUX('B', 6, AF12)>, /* SDNE1 */
+ <STM32_PINMUX('C', 0, AF12)>, /* SDNWE */
+ <STM32_PINMUX('F',11, AF12)>, /* SDNRAS */
+ <STM32_PINMUX('G',15, AF12)>, /* SDNCAS */
+ <STM32_PINMUX('B', 5, AF12)>, /* SDCKE1 */
+ <STM32_PINMUX('G', 8, AF12)>; /* SDCLK */
+ slew-rate = <2>;
+ u-boot,dm-pre-reloc;
+ };
+ };
+};
diff --git a/include/dt-bindings/memory/stm32-sdram.h
b/include/dt-bindings/memory/stm32-sdram.h
index c2b911f..ab91d2b 100644
--- a/include/dt-bindings/memory/stm32-sdram.h
+++ b/include/dt-bindings/memory/stm32-sdram.h
@@ -30,8 +30,10 @@
/* Timing = value +1 cycles */
#define TMRD_1 (1 - 1)
#define TMRD_2 (2 - 1)
+#define TMRD_3 (3 - 1)
#define TXSR_1 (1 - 1)
#define TXSR_6 (6 - 1)
+#define TXSR_7 (7 - 1)
#define TRAS_1 (1 - 1)
#define TRAS_4 (4 - 1)
#define TRC_6 (6 - 1)
--
1.9.1
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