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| author | Wolfgang Denk <wd@denx.de> | 2008-11-18 21:40:38 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-11-18 21:40:38 +0100 |
| commit | e0b0ec843085f96f4fe0738424835ee90e58bc00 (patch) | |
| tree | 1136f04350b8fb4dcce0d94e69024e64ad0b5605 /cpu/mpc86xx/fdt.c | |
| parent | edf3fe7d39a1ee07353128af5221422ce9ccfad6 (diff) | |
| parent | 3f510db522d160179dff3ddcce9b18f6241c2c24 (diff) | |
| download | olio-uboot-2014.01-e0b0ec843085f96f4fe0738424835ee90e58bc00.tar.xz olio-uboot-2014.01-e0b0ec843085f96f4fe0738424835ee90e58bc00.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc86xx
Diffstat (limited to 'cpu/mpc86xx/fdt.c')
| -rw-r--r-- | cpu/mpc86xx/fdt.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cpu/mpc86xx/fdt.c b/cpu/mpc86xx/fdt.c index 1fef94f5d..3adfad98c 100644 --- a/cpu/mpc86xx/fdt.c +++ b/cpu/mpc86xx/fdt.c @@ -9,9 +9,17 @@ #include <common.h> #include <libfdt.h> #include <fdt_support.h> +#include "mp.h" + +DECLARE_GLOBAL_DATA_PTR; void ft_cpu_setup(void *blob, bd_t *bd) { +#if (CONFIG_NUM_CPUS > 1) + int off; + u32 bootpg; +#endif + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency", bd->bi_busfreq / 4, 1); do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, @@ -32,4 +40,17 @@ void ft_cpu_setup(void *blob, bd_t *bd) do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", CONFIG_SYS_NS16550_CLK, 1); #endif + +#if (CONFIG_NUM_CPUS > 1) + /* if we have 4G or more of memory, put the boot page at 4Gb-1M */ + if (gd->ram_size > 0xfffff000) + bootpg = 0xfff00000; + else + bootpg = gd->ram_size - (1024 * 1024); + + /* Reserve the boot page so OSes dont use it */ + off = fdt_add_mem_rsv(blob, bootpg, (u64)4096); + if (off < 0) + printf("%s: %s\n", __FUNCTION__, fdt_strerror(off)); +#endif } |