From 51b67d06faa670c65de6f29ec5b5aace74b2a047 Mon Sep 17 00:00:00 2001
From: John Rigby <jrigby@freescale.com>
Date: Fri, 24 Aug 2007 18:18:43 -0600
Subject: [PATCH] ADS5121: MAX slew rate for PATA pins
Signed-off-by: John Rigby <jrigby@freescale.com>
---
board/ads5121/ads5121.c | 8 ++++++++
include/mpc512x.h | 9 +++++++++
2 files changed, 17 insertions(+)
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
index 8531657bdec..b8826a17f4b 100644
--- 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 a100b22daf8..a06b5c65026 100644
--- 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
--
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