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https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
stm32mp1: add support for stm32mp157c-ev1 board
Add support of stm32mp157c-ev1, the evaluation board with pmic stpmu1
(ev1 = mother board + daughter ed1) with device tree.
EV1 is the selected board by default in basic defconfig.
PS: CONFIG_PINCTRL_FULL activation avoid to increase
SYS_MALLOC_F_LEN (Early malloc usage: 2034)
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay
Tom Rini
parent
bc06134e17
commit
5f16f655cc
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@ -541,7 +541,8 @@ dtb-$(CONFIG_ARCH_ASPEED) += ast2500-evb.dtb
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dtb-$(CONFIG_ARCH_STI) += stih410-b2260.dtb
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dtb-$(CONFIG_TARGET_STM32MP1) += \
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stm32mp157c-ed1.dtb
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stm32mp157c-ed1.dtb \
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stm32mp157c-ev1.dtb
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targets += $(dtb-y)
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62
arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi
Normal file
62
arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi
Normal file
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@ -0,0 +1,62 @@
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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright : STMicroelectronics 2018
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*/
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#include "stm32mp157c-ed1-u-boot.dtsi"
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/ {
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aliases {
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spi0 = &qspi;
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i2c1 = &i2c2;
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i2c4 = &i2c5;
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};
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};
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&flash0 {
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compatible = "spi-flash";
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};
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&flash1 {
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compatible = "spi-flash";
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};
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&v3v3 {
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regulator-always-on;
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};
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/* SPL part **************************************/
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&qspi {
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u-boot,dm-spl;
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};
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&qspi_clk_pins_a {
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u-boot,dm-spl;
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pins {
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u-boot,dm-spl;
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};
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};
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&qspi_bk1_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&qspi_bk2_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&flash0 {
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u-boot,dm-spl;
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};
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101
arch/arm/dts/stm32mp157c-ev1.dts
Normal file
101
arch/arm/dts/stm32mp157c-ev1.dts
Normal file
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@ -0,0 +1,101 @@
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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
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/*
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* Copyright (C) STMicroelectronics 2017 - All Rights Reserved
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* Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
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*/
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/dts-v1/;
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#include "stm32mp157c-ed1.dts"
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/ {
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model = "STMicroelectronics STM32MP157C eval daughter on eval mother";
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compatible = "st,stm32mp157c-ev1", "st,stm32mp157c-ed1", "st,stm32mp157";
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};
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&cec {
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pinctrl-names = "default";
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pinctrl-0 = <&cec_pins_a>;
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status = "okay";
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};
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&i2c2 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_pins_a>;
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i2c-scl-rising-time-ns = <185>;
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i2c-scl-falling-time-ns = <20>;
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status = "okay";
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};
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&i2c5 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c5_pins_a>;
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i2c-scl-rising-time-ns = <185>;
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i2c-scl-falling-time-ns = <20>;
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status = "okay";
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};
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&qspi {
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pinctrl-names = "default";
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pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a &qspi_bk2_pins_a>;
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reg = <0x58003000 0x1000>, <0x70000000 0x4000000>;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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flash0: mx66l51235l@0 {
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reg = <0>;
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spi-rx-bus-width = <4>;
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spi-max-frequency = <108000000>;
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#address-cells = <1>;
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#size-cells = <1>;
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};
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flash1: mx66l51235l@1 {
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reg = <1>;
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spi-rx-bus-width = <4>;
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spi-max-frequency = <108000000>;
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#address-cells = <1>;
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#size-cells = <1>;
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};
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};
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&timers2 {
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm2_pins_a>;
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pinctrl-names = "default";
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status = "okay";
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};
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timer@1 {
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status = "okay";
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};
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};
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&timers8 {
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm8_pins_a>;
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pinctrl-names = "default";
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status = "okay";
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};
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timer@7 {
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status = "okay";
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};
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};
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&timers12 {
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm12_pins_a>;
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pinctrl-names = "default";
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status = "okay";
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};
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timer@11 {
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status = "okay";
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};
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};
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&usbphyc {
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status = "okay";
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};
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@ -29,9 +29,12 @@ Everything is supported in Linux but U-Boot is limited to:
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And the necessary drivers
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1. I2C
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2. STPMU1
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3. Clock, Reset
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2. STPMU1 (PMIC and regulator)
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3. Clock, Reset, Sysreset
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4. Fuse
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Currently the following boards are supported:
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+ stm32mp157c-ev1
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+ stm32mp157c-ed1
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3. Boot Sequences
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@ -61,6 +64,9 @@ Each board is configurated only with the associated device tree.
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You need to select the appropriate device tree for your board,
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the supported device trees for stm32mp157 are:
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+ ev1: eval board with pmic stpmu1 (ev1 = mother board + daughter ed1)
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dts: stm32mp157c-ev1
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+ ed1: daughter board with pmic stpmu1
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dts: stm32mp157c-ed1
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@ -98,6 +104,11 @@ the supported device trees for stm32mp157 are:
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example:
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basic boot on ev1
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# export KBUILD_OUTPUT=stm32mp15_basic
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# make stm32mp15_basic_defconfig
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# make DEVICE_TREE=stm32mp157c-ev1 all
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basic boot on ed1
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# export KBUILD_OUTPUT=stm32mp15_basic
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# make stm32mp15_basic_defconfig
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@ -105,7 +116,7 @@ the supported device trees for stm32mp157 are:
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6. Output files
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BootRom and ATF expect binaries with STM32 image header
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BootRom and TF-A expect binaries with STM32 image header
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SPL expects file with U-Boot uImage header
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So in the output directory (selected by KBUILD_OUTPUT),
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@ -150,8 +161,8 @@ Then the minimal GPT partition is:
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----- ------- --------- -------------
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| Num | Name | Size | Content |
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----- ------- -------- --------------
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| 1 | fsbl1 | 256 KiB | ATF or SPL |
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| 2 | fsbl2 | 256 KiB | ATF or SPL |
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| 1 | fsbl1 | 256 KiB | TF-A or SPL |
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| 2 | fsbl2 | 256 KiB | TF-A or SPL |
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| 3 | ssbl | enought | U-Boot |
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| * | - | - | Boot/Rootfs|
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----- ------- --------- -------------
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@ -176,7 +187,9 @@ for example: with gpt table with 128 entries
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-n 3:1058:5153 -c 3:ssbl \
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-p /dev/<SDCard dev>
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you can add other partition for kernel (rootfs for example)
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you can add other partitions for kernel
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one partition rootfs for example:
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-n 3:5154: -c 4:rootfs
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c) copy the FSBL (2 times) and SSBL file on the correct partition.
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in this example in partition 1 to 3
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@ -223,3 +236,33 @@ b) copy U-Boot in first GPT partition of eMMC
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# mmc write ${fileaddr} ${partstart} ${partsize}
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To boot from eMMC, select BootPinMode = 0 1 0 and reset.
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9. MAC Address
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==============
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Please read doc/README.enetaddr for the implementation guidelines for mac id
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usage. Basically, environment has precedence over board specific storage.
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Mac id storage and retrieval in stm32mp otp :
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- OTP_57[31:0] = MAC_ADDR[31:0]
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- OTP_58[15:0] = MAC_ADDR[47:32]
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To program a MAC address on virgin OTP words above, you can use the fuse command
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on bank 0 to access to internal OTP:
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example to set mac address "12:34:56:78:9a:bc"
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1- Write OTP
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STM32MP> fuse prog -y 0 57 0x78563412 0x0000bc9a
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2- Read OTP
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STM32MP> fuse sense 0 57 2
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Sensing bank 0:
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Word 0x00000039: 78563412 0000bc9a
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3- next REBOOT :
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### Setting environment from OTP MAC address = "12:34:56:78:9a:bc"
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4 check env update
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STM32MP> print ethaddr
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ethaddr=12:34:56:78:9a:bc
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@ -4,7 +4,7 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
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CONFIG_SPL_MMC_SUPPORT=y
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CONFIG_SPL=y
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CONFIG_TARGET_STM32MP1=y
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CONFIG_DEFAULT_DEVICE_TREE="stm32mp157c-ed1"
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CONFIG_DEFAULT_DEVICE_TREE="stm32mp157c-ev1"
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CONFIG_DISTRO_DEFAULTS=y
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CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION=y
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CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION=3
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@ -31,6 +31,7 @@ CONFIG_DM_I2C=y
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CONFIG_SYS_I2C_STM32F7=y
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CONFIG_DM_MMC=y
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CONFIG_STM32_SDMMC2=y
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# CONFIG_PINCTRL_FULL is not set
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# CONFIG_SPL_PINCTRL_FULL is not set
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CONFIG_DM_PMIC=y
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# CONFIG_SPL_PMIC_CHILDREN is not set
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