diff options
Diffstat (limited to 'board/netstar/netstar.c')
| -rw-r--r-- | board/netstar/netstar.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/board/netstar/netstar.c b/board/netstar/netstar.c index f52afe5..ee4f2cd 100644 --- a/board/netstar/netstar.c +++ b/board/netstar/netstar.c @@ -21,6 +21,11 @@ */ #include <common.h> +#include <i2c.h> +#include <flash.h> +#include <nand.h> + +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -52,6 +57,10 @@ int dram_init(void) int misc_init_r(void) { +#if defined(CONFIG_RTC_DS1307) + /* enable trickle charge */ + i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, 0x10, 0xaa); +#endif return 0; } @@ -59,3 +68,50 @@ int board_late_init(void) { return 0; } + +#if defined(CONFIG_CMD_FLASH) +ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t * info) +{ + if (banknum == 0) { /* AM29LV800 boot flash */ + info->portwidth = FLASH_CFI_16BIT; + info->chipwidth = FLASH_CFI_BY16; + info->interface = FLASH_CFI_X16; + return 1; + } + + return 0; +} +#endif + +#if defined(CONFIG_CMD_NAND) +/* + * hardware specific access to control-lines + * + * NAND_NCE: bit 0 - don't care + * NAND_CLE: bit 1 -> bit 1 (0x0002) + * NAND_ALE: bit 2 -> bit 2 (0x0004) + */ +static void netstar_nand_hwcontrol(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + struct nand_chip *chip = mtd->priv; + unsigned long mask; + + if (cmd == NAND_CMD_NONE) + return; + + mask = (ctrl & NAND_CLE) ? 0x02 : 0; + if (ctrl & NAND_ALE) + mask |= 0x04; + writeb(cmd, (unsigned long)chip->IO_ADDR_W | mask); +} + +int board_nand_init(struct nand_chip *nand) +{ + nand->options = NAND_SAMSUNG_LP_OPTIONS; + nand->ecc.mode = NAND_ECC_SOFT; + nand->cmd_ctrl = netstar_nand_hwcontrol; + nand->chip_delay = 400; + return 0; +} +#endif |