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| author | York Sun <yorksun@freescale.com> | 2014-04-30 14:43:45 -0700 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-05-13 08:31:22 -0700 |
| commit | 73a56b6e9f3f1cc2412b5b8a75a3c71f48586c94 (patch) | |
| tree | a6ac1ba5e887547b4f883fec0f4ec9830a20da1a /arch | |
| parent | 18025756b5e79ae96f67e1b5ac87d5ff6467d1cc (diff) | |
| download | talos-obmc-uboot-73a56b6e9f3f1cc2412b5b8a75a3c71f48586c94.tar.gz talos-obmc-uboot-73a56b6e9f3f1cc2412b5b8a75a3c71f48586c94.zip | |
powerpc/mpc85xx: Ignore FDT pointer for non-QEMU in cpu_init_early_f()
The pointer of device tree comes from r3 for QEMU. This is not the case
for normal SoCs out of reset. Having gd->fdt_blob as 0 is important for
other functions to detect the non-existence of device tree.
Signed-off-by: York Sun <yorksun@freescale.com>
CC: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu_init_early.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c index 998781b706..47b712d56b 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c +++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c @@ -102,11 +102,13 @@ void cpu_init_early_f(void *fdt) for (i = 0; i < sizeof(gd_t); i++) ((char *)gd)[i] = 0; +#ifdef CONFIG_QEMU_E500 /* * CONFIG_SYS_CCSRBAR_PHYS below may use gd->fdt_blob on ePAPR systems, * so we need to populate it before it accesses it. */ gd->fdt_blob = fdt; +#endif mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(13); mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_1M); |
