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ColdFire: Fix M5329EVB and M5373EVB nand issue

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The Nand flash was unable to read and write properly
due to Nand Chip Select (nCE) setup was in reverse
order. Also, increase the Nand time out value to 60.

Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
This commit is contained in:
TsiChung Liew 2009-03-02 19:16:45 +00:00 committed by John Rigby
parent 42b68af106
commit 9017d9325a
2 changed files with 8 additions and 4 deletions
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6
board/freescale/m5329evb/nand.c
View File

@ -47,10 +47,12 @@ static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd, unsigned int ctrl)
ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
IO_ADDR_W &= ~(SET_ALE | SET_CLE);
*nCE &= 0xFFFB;
if (ctrl & NAND_NCE)
*nCE &= 0xFFFB;
else
*nCE |= 0x0004;
if (ctrl & NAND_CLE)
IO_ADDR_W |= SET_CLE;
if (ctrl & NAND_ALE)
@ -78,7 +80,7 @@ int board_nand_init(struct nand_chip *nand)
gpio->pclrr_timer = 0;
gpio->podr_timer = 0;
nand->chip_delay = 50;
nand->chip_delay = 60;
nand->ecc.mode = NAND_ECC_SOFT;
nand->cmd_ctrl = nand_hwcontrol;

6
board/freescale/m5373evb/nand.c
View File

@ -47,10 +47,12 @@ static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd, unsigned int ctrl)
ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
IO_ADDR_W &= ~(SET_ALE | SET_CLE);
*nCE &= 0xFFFB;
if (ctrl & NAND_NCE)
*nCE &= 0xFFFB;
else
*nCE |= 0x0004;
if (ctrl & NAND_CLE)
IO_ADDR_W |= SET_CLE;
if (ctrl & NAND_ALE)
@ -82,7 +84,7 @@ int board_nand_init(struct nand_chip *nand)
gpio->pclrr_timer = 0;
gpio->podr_timer = 0;
nand->chip_delay = 50;
nand->chip_delay = 60;
nand->ecc.mode = NAND_ECC_SOFT;
nand->cmd_ctrl = nand_hwcontrol;