diff options
Diffstat (limited to 'drivers/mtd/nand/davinci_nand.c')
| -rw-r--r-- | drivers/mtd/nand/davinci_nand.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 9e7b9dd9b..ca40c6ac0 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -47,8 +47,6 @@ #include <asm/arch/nand_defs.h> #include <asm/arch/emif_defs.h> -extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE]; - static emif_registers *const emif_regs = (void *) DAVINCI_ASYNC_EMIF_CNTRL_BASE; static void nand_davinci_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) @@ -70,21 +68,6 @@ static void nand_davinci_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int c writeb(cmd, this->IO_ADDR_W); } -/* Set WP on deselect, write enable on select */ -static void nand_davinci_select_chip(struct mtd_info *mtd, int chip) -{ -#define GPIO_SET_DATA01 0x01c67018 -#define GPIO_CLR_DATA01 0x01c6701c -#define GPIO_NAND_WP (1 << 4) -#ifdef SONATA_BOARD_GPIOWP - if (chip < 0) { - REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP; - } else { - REG(GPIO_SET_DATA01) |= GPIO_NAND_WP; - } -#endif -} - #ifdef CONFIG_SYS_NAND_HW_ECC static void nand_davinci_enable_hwecc(struct mtd_info *mtd, int mode) @@ -228,10 +211,9 @@ static void nand_flash_init(void) #endif } -int board_nand_init(struct nand_chip *nand) +void davinci_nand_init(struct nand_chip *nand) { nand->chip_delay = 0; - nand->select_chip = nand_davinci_select_chip; #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT nand->options = NAND_USE_FLASH_BBT; #endif @@ -252,6 +234,12 @@ int board_nand_init(struct nand_chip *nand) nand->dev_ready = nand_davinci_dev_ready; nand_flash_init(); +} - return(0); +int board_nand_init(struct nand_chip *chip) __attribute__((weak)); + +int board_nand_init(struct nand_chip *chip) +{ + davinci_nand_init(chip); + return 0; } |