Merge branch 'next' of git://git.denx.de/u-boot-nand-flash into next

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index eabaf3e..41a9568 100644 (file)
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -182,13 +182,7 @@ static int nand_davinci_correct_data(struct mtd_info *mtd, u_char *dat, u_char *
 
 #ifdef CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
 static struct nand_ecclayout nand_davinci_4bit_layout_oobfirst = {
-/*
- * TI uses a different layout for 4K page deviecs. Since the
- * eccpos filed can hold only a limited number of entries, adding
- * support for 4K page will result in compilation warnings
- * 4K Support will be added later
- */
-#ifdef CONFIG_SYS_NAND_PAGE_2K
+#if defined(CONFIG_SYS_NAND_PAGE_2K)
        .eccbytes = 40,
        .eccpos = {
                24, 25, 26, 27, 28,
@@ -200,6 +194,21 @@ static struct nand_ecclayout nand_davinci_4bit_layout_oobfirst = {
        .oobfree = {
                {.offset = 2, .length = 22, },
        },
+#elif defined(CONFIG_SYS_NAND_PAGE_4K)
+       .eccbytes = 80,
+       .eccpos = {
+               48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
+               58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
+               68, 69, 70, 71, 72, 73, 74, 75, 76, 77,
+               78, 79, 80, 81, 82, 83, 84, 85, 86, 87,
+               88, 89, 90, 91, 92, 93, 94, 95, 96, 97,
+               98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
+               108, 109, 110, 111, 112, 113, 114, 115, 116, 117,
+               118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
+               },
+       .oobfree = {
+               {.offset = 2, .length = 46, },
+       },
 #endif
 };
 

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 6da261c..7171bdd 100644 (file)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1061,7 +1061,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint3
                int stat;
 
                stat = chip->ecc.correct(mtd, p, &chip->buffers->ecccode[i], &chip->buffers->ecccalc[i]);
-               if (stat < 0)
+               if (stat == -1)
                        mtd->ecc_stats.failed++;
                else
                        mtd->ecc_stats.corrected += stat;

diff --git a/drivers/mtd/nand/s3c2410_nand.c b/drivers/mtd/nand/s3c2410_nand.c
index f2f3e72..815c78e 100644 (file)
--- a/drivers/mtd/nand/s3c2410_nand.c
+++ b/drivers/mtd/nand/s3c2410_nand.c
@@ -36,6 +36,21 @@
 #define S3C2410_ADDR_NALE 4
 #define S3C2410_ADDR_NCLE 8
 
+#ifdef CONFIG_NAND_SPL
+
+/* in the early stage of NAND flash booting, printf() is not available */
+#define printf(fmt, args...)
+
+static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+{
+       int i;
+       struct nand_chip *this = mtd->priv;
+
+       for (i = 0; i < len; i++)
+               buf[i] = readb(this->IO_ADDR_R);
+}
+#endif
+
 static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
        struct nand_chip *chip = mtd->priv;
@@ -83,9 +98,10 @@ void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
 static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
                                      u_char *ecc_code)
 {
-       ecc_code[0] = NFECC0;
-       ecc_code[1] = NFECC1;
-       ecc_code[2] = NFECC2;
+       struct s3c2410_nand *nand = s3c2410_get_base_nand();
+       ecc_code[0] = readb(&nand->NFECC);
+       ecc_code[1] = readb(&nand->NFECC + 1);
+       ecc_code[2] = readb(&nand->NFECC + 2);
        debugX(1, "s3c2410_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n",
               mtd , ecc_code[0], ecc_code[1], ecc_code[2]);
 
@@ -130,8 +146,13 @@ int board_nand_init(struct nand_chip *nand)
        /* initialize nand_chip data structure */
        nand->IO_ADDR_R = nand->IO_ADDR_W = (void *)&nand_reg->NFDATA;
 
+       nand->select_chip = NULL;
+
        /* read_buf and write_buf are default */
        /* read_byte and write_byte are default */
+#ifdef CONFIG_NAND_SPL
+       nand->read_buf = nand_read_buf;
+#endif
 
        /* hwcontrol always must be implemented */
        nand->cmd_ctrl = s3c2410_hwcontrol;
@@ -142,7 +163,9 @@ int board_nand_init(struct nand_chip *nand)
        nand->ecc.hwctl = s3c2410_nand_enable_hwecc;
        nand->ecc.calculate = s3c2410_nand_calculate_ecc;
        nand->ecc.correct = s3c2410_nand_correct_data;
-       nand->ecc.mode = NAND_ECC_HW3_512;
+       nand->ecc.mode = NAND_ECC_HW;
+       nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
+       nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
 #else
        nand->ecc.mode = NAND_ECC_SOFT;
 #endif

diff --git a/include/linux/mtd/mtd-abi.h b/include/linux/mtd/mtd-abi.h
index 410c5dd..8d5f60c 100644 (file)
--- a/include/linux/mtd/mtd-abi.h
+++ b/include/linux/mtd/mtd-abi.h
@@ -123,7 +123,7 @@ struct nand_oobfree {
  */
 struct nand_ecclayout {
        uint32_t eccbytes;
-       uint32_t eccpos[64];
+       uint32_t eccpos[128];
        uint32_t oobavail;
        struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
 };