92 lines
2.4 KiB
Diff
92 lines
2.4 KiB
Diff
From 244f8753744eefbd7cd1307c0bd8f7b297486211 Mon Sep 17 00:00:00 2001
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From: Jonas Karlman <jonas@kwiboo.se>
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Date: Sat, 22 Apr 2017 08:57:54 +0000
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Subject: [PATCH] rockchip: tinker: set ethaddr in late init
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Set ethernet mac address in late init for Tinker Board,
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prevents getting a random mac address each boot.
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Read mac address from eeprom, first 6 bytes from m24c08@50.
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Same as /etc/init.d/rockchip.sh on Tinker OS.
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Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
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Reviewed-by: Simon Glass <sjg@chromium.org>
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---
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arch/arm/dts/rk3288-tinker.dts | 7 +++++++
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board/rockchip/tinker_rk3288/tinker-rk3288.c | 28 ++++++++++++++++++++++++++++
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configs/tinker-rk3288_defconfig | 3 +++
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3 files changed, 38 insertions(+)
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diff --git a/arch/arm/dts/rk3288-tinker.dts b/arch/arm/dts/rk3288-tinker.dts
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index f1bef94..4efba50 100644
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--- a/arch/arm/dts/rk3288-tinker.dts
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+++ b/arch/arm/dts/rk3288-tinker.dts
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@@ -67,3 +67,10 @@
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&gpio8 {
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u-boot,dm-pre-reloc;
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};
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+
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+&i2c2 {
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+ m24c08@50 {
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+ compatible = "at,24c08", "i2c-eeprom";
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+ reg = <0x50>;
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+ };
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+};
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diff --git a/board/rockchip/tinker_rk3288/tinker-rk3288.c b/board/rockchip/tinker_rk3288/tinker-rk3288.c
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index 79541a3..c2872e7 100644
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--- a/board/rockchip/tinker_rk3288/tinker-rk3288.c
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+++ b/board/rockchip/tinker_rk3288/tinker-rk3288.c
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@@ -5,3 +5,31 @@
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*/
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#include <common.h>
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+#include <dm.h>
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+#include <i2c_eeprom.h>
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+#include <netdev.h>
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+
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+static int get_ethaddr_from_eeprom(u8 *addr)
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+{
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+ int ret;
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+ struct udevice *dev;
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+
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+ ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
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+ if (ret)
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+ return ret;
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+
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+ return i2c_eeprom_read(dev, 0, addr, 6);
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+}
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+
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+int rk_board_late_init(void)
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+{
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+ u8 ethaddr[6];
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+
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+ if (get_ethaddr_from_eeprom(ethaddr))
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+ return 0;
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+
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+ if (is_valid_ethaddr(ethaddr))
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+ eth_setenv_enetaddr("ethaddr", ethaddr);
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+
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+ return 0;
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+}
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diff --git a/configs/tinker-rk3288_defconfig b/configs/tinker-rk3288_defconfig
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index 6e98480..0530121 100644
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--- a/configs/tinker-rk3288_defconfig
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+++ b/configs/tinker-rk3288_defconfig
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@@ -11,6 +11,7 @@ CONFIG_CONSOLE_MUX=y
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# CONFIG_DISPLAY_CPUINFO is not set
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CONFIG_SPL_STACK_R=y
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CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000
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+CONFIG_SPL_I2C_SUPPORT=y
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# CONFIG_CMD_IMLS is not set
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CONFIG_CMD_GPT=y
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CONFIG_CMD_MMC=y
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@@ -39,6 +40,8 @@ CONFIG_CLK=y
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CONFIG_SPL_CLK=y
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CONFIG_ROCKCHIP_GPIO=y
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CONFIG_SYS_I2C_ROCKCHIP=y
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+CONFIG_MISC=y
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+CONFIG_I2C_EEPROM=y
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CONFIG_MMC_DW=y
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CONFIG_MMC_DW_ROCKCHIP=y
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CONFIG_DM_ETH=y
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