diff options
Diffstat (limited to 'arch/powerpc/boot/cuboot-warp.c')
| -rw-r--r-- | arch/powerpc/boot/cuboot-warp.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/arch/powerpc/boot/cuboot-warp.c b/arch/powerpc/boot/cuboot-warp.c index eb108a8..2178021 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); + } } |