diff options
| author | Stefan Roese <sr@denx.de> | 2009-06-09 16:57:47 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-06-12 20:47:19 +0200 |
| commit | 229549a56d9ae413c00f64fd7c728c6879a1b54b (patch) | |
| tree | b54d564c106d61aaf6fba762bb5c479e8e929893 /board | |
| parent | 35f2edbb6cad043ccd5ea6e78fe9b7aa21d8395f (diff) | |
mpc512x: MPC5121ADS: Add NAND support
This patch adds NAND support to the MPC5121ADS board. Please
note that the image size increased since NAND support didn't
fit in the current image size (256k).
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mpc5121ads/mpc5121ads.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/board/freescale/mpc5121ads/mpc5121ads.c b/board/freescale/mpc5121ads/mpc5121ads.c index 102e6ff8be..ec74fd35d2 100644 --- a/board/freescale/mpc5121ads/mpc5121ads.c +++ b/board/freescale/mpc5121ads/mpc5121ads.c @@ -31,6 +31,9 @@ #include <i2c.h> #endif +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> + DECLARE_GLOBAL_DATA_PTR; extern int mpc5121_diu_init(void); @@ -38,24 +41,48 @@ extern void ide_set_reset(int idereset); /* Clocks in use */ #define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \ - CLOCK_SCCR1_LPC_EN | \ - CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) | \ - CLOCK_SCCR1_PSCFIFO_EN | \ CLOCK_SCCR1_DDR_EN | \ CLOCK_SCCR1_FEC_EN | \ + CLOCK_SCCR1_LPC_EN | \ + CLOCK_SCCR1_NFC_EN | \ CLOCK_SCCR1_PATA_EN | \ CLOCK_SCCR1_PCI_EN | \ + CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) | \ + CLOCK_SCCR1_PSCFIFO_EN | \ CLOCK_SCCR1_TPR_EN) -#define SCCR2_CLOCKS_EN (CLOCK_SCCR2_MEM_EN | \ - CLOCK_SCCR2_SPDIF_EN | \ - CLOCK_SCCR2_DIU_EN | \ - CLOCK_SCCR2_I2C_EN) +#define SCCR2_CLOCKS_EN (CLOCK_SCCR2_DIU_EN | \ + CLOCK_SCCR2_I2C_EN | \ + CLOCK_SCCR2_MEM_EN | \ + CLOCK_SCCR2_SPDIF_EN) #define CSAW_START(start) ((start) & 0xFFFF0000) #define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16) long int fixed_sdram(void); +void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip); + +/* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */ +extern int mpc5121_nfc_chip; + +/* Control chips select signal on MPC5121ADS board */ +void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip) +{ + unsigned char *csreg = (u8 *)CONFIG_SYS_CPLD_BASE + 0x09; + u8 v; + + v = in_8(csreg); + v |= 0x0F; + + if (chip >= 0) { + __mpc5121_nfc_select_chip(mtd, 0); + v &= ~(1 << mpc5121_nfc_chip); + } else { + __mpc5121_nfc_select_chip(mtd, -1); + } + + out_8(csreg, v); +} int board_early_init_f (void) { |