diff options
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/mxc_nand.c | 53 |
1 files changed, 23 insertions, 30 deletions
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 2ae41dc..e743796 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -1137,24 +1137,6 @@ void mxc_nand_command(struct mtd_info *mtd, unsigned command, } } -#ifdef MXC_NFC_V1_1 -static void mxc_setup_config1(void) -{ - uint16_t tmp; - - tmp = readw(&host->regs->config1); - tmp |= NFC_ONE_CYCLE; - tmp |= NFC_4_8N_ECC; - writew(tmp, &host->regs->config1); - if (host->pagesize_2k) - writew(64/2, &host->regs->spare_area_size); - else - writew(16/2, &host->regs->spare_area_size); -} -#else -#define mxc_setup_config1() -#endif - #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT static u8 bbt_pattern[] = {'B', 'b', 't', '0' }; @@ -1244,6 +1226,29 @@ int board_nand_init(struct nand_chip *this) /* Reset NAND */ this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); + /* NAND bus width determines access functions used by upper layer */ + if (is_16bit_nand()) + this->options |= NAND_BUSWIDTH_16; + +#ifdef CONFIG_SYS_NAND_LARGEPAGE + host->pagesize_2k = 1; + this->ecc.layout = &nand_hw_eccoob2k; +#else + host->pagesize_2k = 0; + this->ecc.layout = &nand_hw_eccoob; +#endif + +#ifdef MXC_NFC_V1_1 + tmp = readw(&host->regs->config1); + tmp |= NFC_ONE_CYCLE; + tmp |= NFC_4_8N_ECC; + writew(tmp, &host->regs->config1); + if (host->pagesize_2k) + writew(64/2, &host->regs->spare_area_size); + else + writew(16/2, &host->regs->spare_area_size); +#endif + /* * preset operation * Unlock the internal RAM Buffer @@ -1268,17 +1273,5 @@ int board_nand_init(struct nand_chip *this) /* Unlock Block Command for given address range */ writew(0x4, &host->regs->wrprot); - /* NAND bus width determines access functions used by upper layer */ - if (is_16bit_nand()) - this->options |= NAND_BUSWIDTH_16; - -#ifdef CONFIG_SYS_NAND_LARGEPAGE - host->pagesize_2k = 1; - this->ecc.layout = &nand_hw_eccoob2k; -#else - host->pagesize_2k = 0; - this->ecc.layout = &nand_hw_eccoob; -#endif - mxc_setup_config1(); return 0; } |