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authorSean MacLennan <smaclennan@pikatech.com>2008-05-20 08:28:52 -0500
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>2008-05-29 07:06:56 -0500
commit4ebef31fa6e013e5cd3d4522e6018eb6d55046be (patch)
tree78843ac145fe2e4c18de4809c2609df474068c88 /arch/powerpc/boot/cuboot-warp.c
parent0393cb615f369b6ea0e636dd4d1e25675657dc75 (diff)
downloadblackbird-op-linux-4ebef31fa6e013e5cd3d4522e6018eb6d55046be.tar.gz
blackbird-op-linux-4ebef31fa6e013e5cd3d4522e6018eb6d55046be.zip
[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>
Diffstat (limited to 'arch/powerpc/boot/cuboot-warp.c')
-rw-r--r--arch/powerpc/boot/cuboot-warp.c47
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);
+ }
}
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