[POWERPC] PIKA Warp: Update platform code to support Rev B boards

* Switched from 64M NOR/64M NAND to 4M NOR/256M NAND.
* Full DTM support including critical temperature.
* Added POST information.
* Removed LED function, moved to new LED driver.
* Moved ad7414 to new style I2C initialization.

Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

1 files changed, 44 insertions, 3 deletions

diff --git a/arch/powerpc/boot/cuboot-warp.c b/arch/powerpc/boot/cuboot-warp.c
index eb108a877492..21780210057d 100644
--- a/arch/powerpc/boot/cuboot-warp.c
+++ b/arch/powerpc/boot/cuboot-warp.c
@@ -10,6 +10,7 @@
 #include "ops.h"
 #include "4xx.h"
 #include "cuboot.h"
+#include "stdio.h"
 
 #define TARGET_4xx
 #define TARGET_44x
@@ -17,14 +18,54 @@
 
 static bd_t bd;
 
-static void warp_fixups(void)
+static void warp_fixup_one_nor(u32 from, u32 to)
 {
-	unsigned long sysclk = 66000000;
+	void *devp;
+	char name[50];
+	u32 v[2];
+
+	sprintf(name, "/plb/opb/ebc/nor_flash@0,0/partition@%x", from);
+
+	devp = finddevice(name);
+	if (!devp)
+		return;
+
+	if (getprop(devp, "reg", v, sizeof(v)) == sizeof(v)) {
+		v[0] = to;
+		setprop(devp, "reg", v, sizeof(v));
+
+		printf("NOR 64M fixup %x -> %x\r\n", from, to);
+	}
+}
+
 
-	ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
+static void warp_fixups(void)
+{
+	ibm440ep_fixup_clocks(66000000, 11059200, 50000000);
 	ibm4xx_sdram_fixup_memsize();
 	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
+
+	/* Fixup for 64M flash on Rev A boards. */
+	if (bd.bi_flashsize == 0x4000000) {
+		void *devp;
+		u32 v[3];
+
+		devp = finddevice("/plb/opb/ebc/nor_flash@0,0");
+		if (!devp)
+			return;
+
+		/* Fixup the size */
+		if (getprop(devp, "reg", v, sizeof(v)) == sizeof(v)) {
+			v[2] = bd.bi_flashsize;
+			setprop(devp, "reg", v, sizeof(v));
+		}
+
+		/* Fixup parition offsets */
+		warp_fixup_one_nor(0x300000, 0x3f00000);
+		warp_fixup_one_nor(0x340000, 0x3f40000);
+		warp_fixup_one_nor(0x380000, 0x3f80000);
+	}
 }