diff options
| author | Justin Waters <justin.waters@timesys.com> | 2008-06-16 13:31:33 -0400 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2008-06-16 13:31:33 -0400 |
| commit | 251484cfb845d5d54c652a1801270ede1521ca6d (patch) | |
| tree | d89611f0f7d9f1cd468c53d2cb122041db75b74a /board/at91sam9260ek/nand.c | |
| parent | fc0717dc30824a3e0b9115c44787af7483e5aaa7 (diff) | |
Update to Atmel's 1.7 patch for 1.1.51.1.5-at91-200806161731
This patch came from Atmel. It fixes a number of NAND issues, as well as the
9263 rev B SPI bug.
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Diffstat (limited to 'board/at91sam9260ek/nand.c')
| -rw-r--r-- | board/at91sam9260ek/nand.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/board/at91sam9260ek/nand.c b/board/at91sam9260ek/nand.c index 2a339a9ed7..53da6fd108 100644 --- a/board/at91sam9260ek/nand.c +++ b/board/at91sam9260ek/nand.c @@ -52,7 +52,7 @@ void at91sam9260ek_nand_init (struct nand_chip *nand) if ((nand->options & NAND_BUSWIDTH_16) == NAND_BUSWIDTH_16) { - AT91C_BASE_SMC->SMC_CTRL3 = (AT91C_SMC_READMODE | AT91C_SMC_WRITEMODE | AT91C_SMC_NWAITM_NWAIT_DISABLE | + AT91C_BASE_SMC->SMC_CTRL3 = (AT91C_SMC_READMODE | AT91C_SMC_WRITEMODE | AT91C_SMC_NWAITM_NWAIT_DISABLE | AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS | AT91C_SM_TDF); } else { AT91C_BASE_SMC->SMC_CTRL3 = (AT91C_SMC_READMODE | AT91C_SMC_WRITEMODE | AT91C_SMC_NWAITM_NWAIT_DISABLE | @@ -65,8 +65,9 @@ void at91sam9260ek_nand_init (struct nand_chip *nand) AT91C_BASE_PIOC->PIO_ODR = AT91C_PIO_PC13; AT91C_BASE_PIOC->PIO_PER = AT91C_PIO_PC13; - AT91C_BASE_PIOC->PIO_PPUER = AT91C_PIO_PC13; /* Enable pull-up */ - + /* Enable pull-up */ + AT91C_BASE_PIOC->PIO_PPUER = AT91C_PIO_PC13; + /* Enable NandFlash */ AT91C_BASE_PIOC->PIO_PER = AT91C_PIO_PC14; AT91C_BASE_PIOC->PIO_OER = AT91C_PIO_PC14; @@ -97,6 +98,19 @@ static int at91sam9260ek_nand_ready(struct mtd_info *mtd) void board_nand_init(struct nand_chip *nand) { + /* Init due to switch 8/16 bits mode */ + + if (nand->write_byte) + nand->write_byte = NULL; + if (nand->read_byte) + nand->read_byte = NULL; + if (nand->write_buf) + nand->write_buf = NULL; + if (nand->read_buf) + nand->read_buf = NULL; + if (nand->verify_buf) + nand->verify_buf = NULL; + nand->eccmode = NAND_ECC_SOFT; nand->hwcontrol = at91sam9260ek_nand_hwcontrol; nand->dev_ready = at91sam9260ek_nand_ready; |