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authorWolfgang Denk <wd@denx.de>2008-08-14 11:26:22 +0200
committerWolfgang Denk <wd@denx.de>2008-08-14 11:26:22 +0200
commit28ac6719108e989429de2b3dfa90312ba7c4d27b (patch)
tree876a26cd366f7bd80b88f02d6bf5b149f385dfa1 /cpu/arm920t/s3c24x0
parent2fd0aad443c966ce62008225e57b18e2dcf4e330 (diff)
parent68cf19aae48f2969ec70669604d0d776f02c8bc4 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-nand-flash
Diffstat (limited to 'cpu/arm920t/s3c24x0')
-rw-r--r--cpu/arm920t/s3c24x0/nand.c64
1 files changed, 32 insertions, 32 deletions
diff --git a/cpu/arm920t/s3c24x0/nand.c b/cpu/arm920t/s3c24x0/nand.c
index 14882cb..60174fb 100644
--- a/cpu/arm920t/s3c24x0/nand.c
+++ b/cpu/arm920t/s3c24x0/nand.c
@@ -31,6 +31,7 @@
#include <nand.h>
#include <s3c2410.h>
+#include <asm/io.h>
#define __REGb(x) (*(volatile unsigned char *)(x))
#define __REGi(x) (*(volatile unsigned int *)(x))
@@ -54,34 +55,33 @@
#define S3C2410_NFCONF_TWRPH0(x) ((x)<<4)
#define S3C2410_NFCONF_TWRPH1(x) ((x)<<0)
-static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd)
+#define S3C2410_ADDR_NALE 4
+#define S3C2410_ADDR_NCLE 8
+
+static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
struct nand_chip *chip = mtd->priv;
- DEBUGN("hwcontrol(): 0x%02x: ", cmd);
-
- switch (cmd) {
- case NAND_CTL_SETNCE:
- NFCONF &= ~S3C2410_NFCONF_nFCE;
- DEBUGN("NFCONF=0x%08x\n", NFCONF);
- break;
- case NAND_CTL_CLRNCE:
- NFCONF |= S3C2410_NFCONF_nFCE;
- DEBUGN("NFCONF=0x%08x\n", NFCONF);
- break;
- case NAND_CTL_SETALE:
- chip->IO_ADDR_W = NF_BASE + 0x8;
- DEBUGN("SETALE\n");
- break;
- case NAND_CTL_SETCLE:
- chip->IO_ADDR_W = NF_BASE + 0x4;
- DEBUGN("SETCLE\n");
- break;
- default:
- chip->IO_ADDR_W = NF_BASE + 0xc;
- break;
+ DEBUGN("hwcontrol(): 0x%02x 0x%02x\n", cmd, ctrl);
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ ulong IO_ADDR_W = NF_BASE;
+
+ if (!(ctrl & NAND_CLE))
+ IO_ADDR_W |= S3C2410_ADDR_NCLE;
+ if (!(ctrl & NAND_ALE))
+ IO_ADDR_W |= S3C2410_ADDR_NALE;
+
+ chip->IO_ADDR_W = (void *)IO_ADDR_W;
+
+ if (ctrl & NAND_NCE)
+ NFCONF &= ~S3C2410_NFCONF_nFCE;
+ else
+ NFCONF |= S3C2410_NFCONF_nFCE;
}
- return;
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, chip->IO_ADDR_W);
}
static int s3c2410_dev_ready(struct mtd_info *mtd)
@@ -93,7 +93,7 @@ static int s3c2410_dev_ready(struct mtd_info *mtd)
#ifdef CONFIG_S3C2410_NAND_HWECC
void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
{
- DEBUGN("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd ,mode);
+ DEBUGN("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd, mode);
NFCONF |= S3C2410_NFCONF_INITECC;
}
@@ -143,23 +143,23 @@ int board_nand_init(struct nand_chip *nand)
NFCONF = cfg;
/* initialize nand_chip data structure */
- nand->IO_ADDR_R = nand->IO_ADDR_W = 0x4e00000c;
+ nand->IO_ADDR_R = nand->IO_ADDR_W = (void *)0x4e00000c;
/* read_buf and write_buf are default */
/* read_byte and write_byte are default */
/* hwcontrol always must be implemented */
- nand->hwcontrol = s3c2410_hwcontrol;
+ nand->cmd_ctrl = s3c2410_hwcontrol;
nand->dev_ready = s3c2410_dev_ready;
#ifdef CONFIG_S3C2410_NAND_HWECC
- nand->enable_hwecc = s3c2410_nand_enable_hwecc;
- nand->calculate_ecc = s3c2410_nand_calculate_ecc;
- nand->correct_data = s3c2410_nand_correct_data;
- nand->eccmode = NAND_ECC_HW3_512;
+ 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;
#else
- nand->eccmode = NAND_ECC_SOFT;
+ nand->ecc.mode = NAND_ECC_SOFT;
#endif
#ifdef CONFIG_S3C2410_NAND_BBT