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Diffstat (limited to 'board/freescale/m5329evb/nand.c')
-rw-r--r--board/freescale/m5329evb/nand.c42
1 files changed, 16 insertions, 26 deletions
diff --git a/board/freescale/m5329evb/nand.c b/board/freescale/m5329evb/nand.c
index 344a614..f84912e 100644
--- a/board/freescale/m5329evb/nand.c
+++ b/board/freescale/m5329evb/nand.c
@@ -40,36 +40,26 @@ DECLARE_GLOBAL_DATA_PTR;
#define SET_ALE 0x08
#define CLR_ALE ~SET_ALE
-static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+static void nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
struct nand_chip *this = mtdinfo->priv;
- volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+/* volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; TODO: handle wp */
u32 nand_baseaddr = (u32) this->IO_ADDR_W;
- switch (cmd) {
- case NAND_CTL_SETNCE:
- case NAND_CTL_CLRNCE:
- break;
- case NAND_CTL_SETCLE:
- nand_baseaddr |= SET_CLE;
- break;
- case NAND_CTL_CLRCLE:
- nand_baseaddr &= CLR_CLE;
- break;
- case NAND_CTL_SETALE:
- nand_baseaddr |= SET_ALE;
- break;
- case NAND_CTL_CLRALE:
- nand_baseaddr |= CLR_ALE;
- break;
- case NAND_CTL_SETWP:
- fbcs->csmr2 |= FBCS_CSMR_WP;
- break;
- case NAND_CTL_CLRWP:
- fbcs->csmr2 &= ~FBCS_CSMR_WP;
- break;
+ if (ctrl & NAND_CTRL_CHANGE) {
+ if ( ctrl & NAND_CLE )
+ nand_baseaddr |= SET_CLE;
+ else
+ nand_baseaddr &= CLR_CLE;
+ if ( ctrl & NAND_ALE )
+ nand_baseaddr |= SET_ALE;
+ else
+ nand_baseaddr &= CLR_ALE;
}
this->IO_ADDR_W = (void __iomem *)(nand_baseaddr);
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, this->IO_ADDR_W);
}
static void nand_write_byte(struct mtd_info *mtdinfo, u_char byte)
@@ -103,8 +93,8 @@ int board_nand_init(struct nand_chip *nand)
gpio->podr_timer = 0;
nand->chip_delay = 50;
- nand->eccmode = NAND_ECC_SOFT;
- nand->hwcontrol = nand_hwcontrol;
+ nand->ecc.mode = NAND_ECC_SOFT;
+ nand->cmd_ctrl = nand_hwcontrol;
nand->read_byte = nand_read_byte;
nand->write_byte = nand_write_byte;
nand->dev_ready = nand_dev_ready;