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@@ -31,6 +31,7 @@
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#include <nand.h>
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#include <s3c2410.h>
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+#include <asm/io.h>
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#define __REGb(x) (*(volatile unsigned char *)(x))
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#define __REGi(x) (*(volatile unsigned int *)(x))
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@@ -54,34 +55,33 @@
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#define S3C2410_NFCONF_TWRPH0(x) ((x)<<4)
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#define S3C2410_NFCONF_TWRPH1(x) ((x)<<0)
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-static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd)
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+#define S3C2410_ADDR_NALE 4
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+#define S3C2410_ADDR_NCLE 8
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+
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+static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
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{
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struct nand_chip *chip = mtd->priv;
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- DEBUGN("hwcontrol(): 0x%02x: ", cmd);
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-
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- switch (cmd) {
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- case NAND_CTL_SETNCE:
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- NFCONF &= ~S3C2410_NFCONF_nFCE;
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- DEBUGN("NFCONF=0x%08x\n", NFCONF);
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- break;
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- case NAND_CTL_CLRNCE:
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- NFCONF |= S3C2410_NFCONF_nFCE;
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- DEBUGN("NFCONF=0x%08x\n", NFCONF);
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- break;
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- case NAND_CTL_SETALE:
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- chip->IO_ADDR_W = NF_BASE + 0x8;
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- DEBUGN("SETALE\n");
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- break;
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- case NAND_CTL_SETCLE:
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- chip->IO_ADDR_W = NF_BASE + 0x4;
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- DEBUGN("SETCLE\n");
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- break;
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- default:
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- chip->IO_ADDR_W = NF_BASE + 0xc;
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- break;
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+ DEBUGN("hwcontrol(): 0x%02x 0x%02x\n", cmd, ctrl);
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+
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+ if (ctrl & NAND_CTRL_CHANGE) {
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+ ulong IO_ADDR_W = NF_BASE;
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+
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+ if (!(ctrl & NAND_CLE))
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+ IO_ADDR_W |= S3C2410_ADDR_NCLE;
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+ if (!(ctrl & NAND_ALE))
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+ IO_ADDR_W |= S3C2410_ADDR_NALE;
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+
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+ chip->IO_ADDR_W = (void *)IO_ADDR_W;
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+
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+ if (ctrl & NAND_NCE)
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+ NFCONF &= ~S3C2410_NFCONF_nFCE;
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+ else
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+ NFCONF |= S3C2410_NFCONF_nFCE;
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}
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- return;
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+
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+ if (cmd != NAND_CMD_NONE)
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+ writeb(cmd, chip->IO_ADDR_W);
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}
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static int s3c2410_dev_ready(struct mtd_info *mtd)
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@@ -93,7 +93,7 @@ static int s3c2410_dev_ready(struct mtd_info *mtd)
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#ifdef CONFIG_S3C2410_NAND_HWECC
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void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
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{
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- DEBUGN("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd ,mode);
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+ DEBUGN("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd, mode);
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NFCONF |= S3C2410_NFCONF_INITECC;
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}
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@@ -143,23 +143,23 @@ int board_nand_init(struct nand_chip *nand)
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NFCONF = cfg;
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/* initialize nand_chip data structure */
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- nand->IO_ADDR_R = nand->IO_ADDR_W = 0x4e00000c;
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+ nand->IO_ADDR_R = nand->IO_ADDR_W = (void *)0x4e00000c;
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/* read_buf and write_buf are default */
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/* read_byte and write_byte are default */
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/* hwcontrol always must be implemented */
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- nand->hwcontrol = s3c2410_hwcontrol;
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+ nand->cmd_ctrl = s3c2410_hwcontrol;
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nand->dev_ready = s3c2410_dev_ready;
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#ifdef CONFIG_S3C2410_NAND_HWECC
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- nand->enable_hwecc = s3c2410_nand_enable_hwecc;
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- nand->calculate_ecc = s3c2410_nand_calculate_ecc;
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- nand->correct_data = s3c2410_nand_correct_data;
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- nand->eccmode = NAND_ECC_HW3_512;
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+ nand->ecc.hwctl = s3c2410_nand_enable_hwecc;
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+ nand->ecc.calculate = s3c2410_nand_calculate_ecc;
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+ nand->ecc.correct = s3c2410_nand_correct_data;
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+ nand->ecc.mode = NAND_ECC_HW3_512;
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#else
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- nand->eccmode = NAND_ECC_SOFT;
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+ nand->ecc.mode = NAND_ECC_SOFT;
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#endif
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#ifdef CONFIG_S3C2410_NAND_BBT
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