diff options
| author | Jonas Karlman <jonas@kwiboo.se> | 2017-04-22 08:57:54 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-05-10 19:37:22 (GMT) |
| commit | ecc3bd73b35398d8337096b19493028a29ed038e (patch) | |
| tree | 439f3ba0ddc72f0a4aa1f9c5b77ea059d645f21e | |
| parent | 8880efbd1ffd54bcddb427229ff925151a054257 (diff) | |
| download | u-boot-ecc3bd73b35398d8337096b19493028a29ed038e.tar.xz | |
rockchip: tinker: set ethaddr in late init
Set ethernet mac address in late init for Tinker Board,
prevents getting a random mac address each boot.
Read mac address from eeprom, first 6 bytes from m24c08@50.
Same as /etc/init.d/rockchip.sh on Tinker OS.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | arch/arm/dts/rk3288-tinker.dts | 7 | ||||
| -rw-r--r-- | board/rockchip/tinker_rk3288/tinker-rk3288.c | 28 | ||||
| -rw-r--r-- | configs/tinker-rk3288_defconfig | 3 |
3 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/dts/rk3288-tinker.dts b/arch/arm/dts/rk3288-tinker.dts index 22881cb..ea2f715 100644 --- a/arch/arm/dts/rk3288-tinker.dts +++ b/arch/arm/dts/rk3288-tinker.dts @@ -67,3 +67,10 @@ &gpio8 { u-boot,dm-pre-reloc; }; + +&i2c2 { + m24c08@50 { + compatible = "at,24c08", "i2c-eeprom"; + reg = <0x50>; + }; +}; diff --git a/board/rockchip/tinker_rk3288/tinker-rk3288.c b/board/rockchip/tinker_rk3288/tinker-rk3288.c index 79541a3..c2872e7 100644 --- a/board/rockchip/tinker_rk3288/tinker-rk3288.c +++ b/board/rockchip/tinker_rk3288/tinker-rk3288.c @@ -5,3 +5,31 @@ */ #include <common.h> +#include <dm.h> +#include <i2c_eeprom.h> +#include <netdev.h> + +static int get_ethaddr_from_eeprom(u8 *addr) +{ + int ret; + struct udevice *dev; + + ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev); + if (ret) + return ret; + + return i2c_eeprom_read(dev, 0, addr, 6); +} + +int rk_board_late_init(void) +{ + u8 ethaddr[6]; + + if (get_ethaddr_from_eeprom(ethaddr)) + return 0; + + if (is_valid_ethaddr(ethaddr)) + eth_setenv_enetaddr("ethaddr", ethaddr); + + return 0; +} diff --git a/configs/tinker-rk3288_defconfig b/configs/tinker-rk3288_defconfig index ada5950..28a1fd8 100644 --- a/configs/tinker-rk3288_defconfig +++ b/configs/tinker-rk3288_defconfig @@ -11,6 +11,7 @@ CONFIG_CONSOLE_MUX=y # CONFIG_DISPLAY_CPUINFO is not set CONFIG_SPL_STACK_R=y CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000 +CONFIG_SPL_I2C_SUPPORT=y # CONFIG_CMD_IMLS is not set CONFIG_CMD_GPT=y CONFIG_CMD_MMC=y @@ -39,6 +40,8 @@ CONFIG_CLK=y CONFIG_SPL_CLK=y CONFIG_ROCKCHIP_GPIO=y CONFIG_SYS_I2C_ROCKCHIP=y +CONFIG_MISC=y +CONFIG_I2C_EEPROM=y CONFIG_MMC_DW=y CONFIG_MMC_DW_ROCKCHIP=y CONFIG_DM_ETH=y |