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| author | Naveen Krishna CH <ch.naveen@samsung.com> | 2010-03-05 17:16:05 +0900 |
|---|---|---|
| committer | trix <trix@windriver.com> | 2010-04-03 15:24:26 -0500 |
| commit | 2528dc52361bea49e6bd4a95ce2374d0004ca56f (patch) | |
| tree | 5ab4c3b5acfa177d3821d9bc9a04d925bdcd9e62 | |
| parent | 01802e0d22a4bb3903b342ff2357ea3bbcccd289 (diff) | |
| download | u-boot-imx-2528dc52361bea49e6bd4a95ce2374d0004ca56f.zip u-boot-imx-2528dc52361bea49e6bd4a95ce2374d0004ca56f.tar.gz u-boot-imx-2528dc52361bea49e6bd4a95ce2374d0004ca56f.tar.bz2 | |
SAMSUNG: SMDKC100: Adds ethernet support.
Add setup for ethernet on SMDKC100, allowing kernel/ramdisk to be
loaded over tftp.
The preinit function will configure GPIO (GPK0CON) & SROMC to look
for environment in SROM Bank 3.
Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| -rw-r--r-- | board/samsung/smdkc100/smdkc100.c | 39 | ||||
| -rw-r--r-- | include/configs/smdkc100.h | 12 |
2 files changed, 50 insertions, 1 deletions
diff --git a/board/samsung/smdkc100/smdkc100.c b/board/samsung/smdkc100/smdkc100.c index 15a1a27..fb466c6 100644 --- a/board/samsung/smdkc100/smdkc100.c +++ b/board/samsung/smdkc100/smdkc100.c @@ -23,10 +23,40 @@ */ #include <common.h> +#include <asm/io.h> +#include <asm/arch/smc.h> +#include <asm/arch/gpio.h> +#include <netdev.h> + DECLARE_GLOBAL_DATA_PTR; +/* + * Miscellaneous platform dependent initialisations + */ +static void smc9115_pre_init(void) +{ + u32 smc_bw_conf, smc_bc_conf; + + struct s5pc100_gpio *const gpio = + (struct s5pc100_gpio *)S5PC100_GPIO_BASE; + + /* gpio configuration GPK0CON */ + gpio_cfg_pin(&gpio->gpio_k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); + + /* Ethernet needs bus width of 16 bits */ + smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK); + smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe) + | SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4) + | SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0); + + /* Select and configure the SROMC bank */ + s5pc1xx_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); +} + int board_init(void) { + smc9115_pre_init(); + gd->bd->bi_arch_number = MACH_TYPE_SMDKC100; gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; @@ -49,3 +79,12 @@ int checkboard(void) return 0; } #endif + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} diff --git a/include/configs/smdkc100.h b/include/configs/smdkc100.h index a8ba052..09bce6d 100644 --- a/include/configs/smdkc100.h +++ b/include/configs/smdkc100.h @@ -83,7 +83,6 @@ #undef CONFIG_CMD_FLASH #undef CONFIG_CMD_IMLS #undef CONFIG_CMD_NAND -#undef CONFIG_CMD_NET #define CONFIG_CMD_CACHE #define CONFIG_CMD_REGINFO @@ -235,4 +234,15 @@ #define CONFIG_DOS_PARTITION 1 +/* + * Ethernet Contoller driver + */ +#ifdef CONFIG_CMD_NET +#define CONFIG_NET_MULTI +#define CONFIG_SMC911X 1 /* we have a SMC9115 on-board */ +#define CONFIG_SMC911X_16_BIT 1 /* SMC911X_16_BIT Mode */ +#define CONFIG_SMC911X_BASE 0x98800300 /* SMC911X Drive Base */ +#define CONFIG_ENV_SROM_BANK 3 /* Select SROM Bank-3 for Ethernet*/ +#endif /* CONFIG_CMD_NET */ + #endif /* __CONFIG_H */ |