[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);
+        }
 }