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| author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2012-03-02 12:58:33 +0900 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2012-05-28 09:12:53 +0900 |
| commit | d74055596833ecf9c73babc97d9818093679e26c (patch) | |
| tree | 1d0a9189f1b622351a802ae01490e8fd8bafcd45 /board/renesas/r0p7734 | |
| parent | 1379c51ea5cbffe68016d61d37108750db26fc33 (diff) | |
| download | u-boot-imx-d74055596833ecf9c73babc97d9818093679e26c.zip u-boot-imx-d74055596833ecf9c73babc97d9818093679e26c.tar.gz u-boot-imx-d74055596833ecf9c73babc97d9818093679e26c.tar.bz2 | |
sh: r0p7734: Add support I2C controller
This read MAC address from Serial EEPROM and set.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas/r0p7734')
| -rw-r--r-- | board/renesas/r0p7734/r0p7734.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/board/renesas/r0p7734/r0p7734.c b/board/renesas/r0p7734/r0p7734.c index 80f4329..c1bde54 100644 --- a/board/renesas/r0p7734/r0p7734.c +++ b/board/renesas/r0p7734/r0p7734.c @@ -25,6 +25,7 @@ #include <asm/io.h> #include <asm/processor.h> #include <netdev.h> +#include <i2c.h> DECLARE_GLOBAL_DATA_PTR; @@ -55,6 +56,24 @@ int board_init(void) if (r & MSTPSR1_GETHER) writel((r & ~MSTPSR1_GETHER), MSTPCR1); #endif + + return 0; +} + +int board_late_init(void) +{ + u8 mac[6]; + + /* Read Mac Address and set*/ + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + i2c_set_bus_num(CONFIG_SYS_I2C_MODULE); + + /* Read MAC address */ + i2c_read(0x50, 0x10, 0, mac, 6); + + if (is_valid_ether_addr(mac)) + eth_setenv_enetaddr("ethaddr", mac); + return 0; } @@ -75,4 +94,3 @@ int board_eth_init(bd_t *bis) return rc; } #endif - |