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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 | |
| 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>
| -rw-r--r-- | board/renesas/r0p7734/r0p7734.c | 20 | ||||
| -rw-r--r-- | include/configs/r0p7734.h | 17 |
2 files changed, 36 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 - diff --git a/include/configs/r0p7734.h b/include/configs/r0p7734.h index d73cc4d..aa3193d 100644 --- a/include/configs/r0p7734.h +++ b/include/configs/r0p7734.h @@ -34,6 +34,7 @@ #define CONFIG_400MHZ_MODE 1 /* #define CONFIG_533MHZ_MODE 1 */ +#define CONFIG_BOARD_LATE_INIT #define CONFIG_SYS_TEXT_BASE 0x8FFC0000 #define CONFIG_CMD_FLASH @@ -67,6 +68,22 @@ # define CONFIG_SMC911X_BASE (0x84000000) #endif + +/* I2C */ +#define CONFIG_CMD_I2C +#define CONFIG_SH_SH7734_I2C 1 +#define CONFIG_HARD_I2C 1 +#define CONFIG_I2C_MULTI_BUS 1 +#define CONFIG_SYS_MAX_I2C_BUS 2 +#define CONFIG_SYS_I2C_MODULE 0 +#define CONFIG_SYS_I2C_SPEED 100000 /* 100 kHz */ +#define CONFIG_SYS_I2C_SLAVE 0x50 +#define CONFIG_SH_I2C_DATA_HIGH 4 +#define CONFIG_SH_I2C_DATA_LOW 5 +#define CONFIG_SH_I2C_CLOCK 500000000 +#define CONFIG_SH_I2C_BASE0 0xFFC70000 +#define CONFIG_SH_I2C_BASE1 0xFFC7100 + /* undef to save memory */ #define CONFIG_SYS_LONGHELP /* Monitor Command Prompt */ |