ADS5121: MAX slew rate for PATA pins

Signed-off-by: John Rigby <jrigby@freescale.com>

diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
index 8531657bdecd3d0c30be8dadc35943036df154a8..b8826a17f4b9bc6f9e11540467b29a1626369209 100644 (file)
--- a/board/ads5121/ads5121.c
+++ b/board/ads5121/ads5121.c
@@ -180,9 +180,17 @@ int checkboard (void)
 {
        ushort brd_rev = *(vu_short *) (CFG_CPLD_BASE + 0x00);
        uchar cpld_rev = *(vu_char *) (CFG_CPLD_BASE + 0x02);
+       volatile immap_t *im = (immap_t *) CFG_IMMR;
+       volatile unsigned long *reg;
+       int i;
 
        printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
                brd_rev, cpld_rev);
+
+       /* change the slew rate on all pata pins to max */
+       reg = (unsigned long *) &(im->io_ctrl.regs[PATA_CE1_IDX]);
+       for (i = 0; i < 9; i++)
+               reg[i] |= 0x00000003;
        return 0;
 }
 

diff --git a/include/mpc512x.h b/include/mpc512x.h
index a100b22daf8db62097bc29c3092ecd8b9312bf0d..a06b5c6502634ebb9bf5c235aad104bfaf189d58 100644 (file)
--- a/include/mpc512x.h
+++ b/include/mpc512x.h
@@ -345,6 +345,15 @@
 
 /* Indexes in regs array */
 #define MEM_IDX                        0x00
+#define PATA_CE1_IDX           0x2e
+#define PATA_CE2_IDX           0x2f
+#define PATA_ISOLATE_IDX       0x30
+#define PATA_IOR_IDX           0x31
+#define PATA_IOW_IDX           0x32
+#define PATA_IOCHRDY_IDX       0x33
+#define PATA_INTRQ_IDX         0x34
+#define PATA_DRQ_IDX           0x35
+#define PATA_DACK_IDX          0x36
 #define SPDIF_TXCLOCK_IDX      0x73
 #define SPDIF_TX_IDX           0x74
 #define SPDIF_RX_IDX           0x75