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Diffstat (limited to 'board/freescale/mpc5121ads/mpc5121ads.c')
-rw-r--r--board/freescale/mpc5121ads/mpc5121ads.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/board/freescale/mpc5121ads/mpc5121ads.c b/board/freescale/mpc5121ads/mpc5121ads.c
index 102e6ff..ec74fd3 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)
{