From c1db8dd62b337372a08942e1c5945a8590afbc58 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Beno=C3=AEt=20Th=C3=A9baudeau?= Date: Mon, 13 Aug 2012 22:49:42 +0200 Subject: [PATCH] mxc nand: Access all ecc_status_result fields MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit On the NFC IP 1.1, the 32-bit ecc_status_result value comes from 2 consecutive 16-bit registers. This patch reads all the fields of this value, which makes a difference for 4-kiB NF pages. Signed-off-by: Benoît Thébaudeau Cc: Scott Wood Cc: Stefano Babic Signed-off-by: Scott Wood --- drivers/mtd/nand/mxc_nand.c | 2 +- include/fsl_nfc.h | 3 +-- nand_spl/nand_boot_fsl_nfc.c | 4 ++++ 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 62d8c6b38c..4564b2509c 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -653,7 +653,7 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, { struct nand_chip *nand_chip = mtd->priv; struct mxc_nand_host *host = nand_chip->priv; - uint16_t ecc_status = readw(&host->regs->ecc_status_result); + uint32_t ecc_status = readl(&host->regs->ecc_status_result); int subpages = mtd->writesize / nand_chip->subpagesize; int pg2blk_shift = nand_chip->phys_erase_shift - nand_chip->page_shift; diff --git a/include/fsl_nfc.h b/include/fsl_nfc.h index 1c16c71d45..c248cef654 100644 --- a/include/fsl_nfc.h +++ b/include/fsl_nfc.h @@ -94,8 +94,7 @@ struct fsl_nfc_regs { u16 flash_addr; u16 flash_cmd; u16 config; - u16 ecc_status_result; - u16 ecc_status_result2; + u32 ecc_status_result; u16 spare_area_size; u16 wrprot; u16 reserved3[2]; diff --git a/nand_spl/nand_boot_fsl_nfc.c b/nand_spl/nand_boot_fsl_nfc.c index 842943c651..4c5a7feec1 100644 --- a/nand_spl/nand_boot_fsl_nfc.c +++ b/nand_spl/nand_boot_fsl_nfc.c @@ -139,7 +139,11 @@ static void nfc_nand_data_output(void) static int nfc_nand_check_ecc(void) { +#if defined(MXC_NFC_V1) return readw(&nfc->ecc_status_result); +#elif defined(MXC_NFC_V1_1) + return readl(&nfc->ecc_status_result); +#endif } static void nfc_nand_read_page(unsigned int page_address) -- 2.30.2