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

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* 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>
This commit is contained in:
Sean MacLennan
2008-05-20 08:28:52 -05:00
committed by Josh Boyer
parent 0393cb615f
commit 4ebef31fa6
3 changed files with 328 additions and 69 deletions
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47
arch/powerpc/boot/cuboot-warp.c
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@ -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_fixup_one_nor(u32 from, u32 to)
{
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);
}
}
static void warp_fixups(void)
{
unsigned long sysclk = 66000000;
ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
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);
}
}