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| author | York Sun <yorksun@freescale.com> | 2012-08-17 08:20:22 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2012-08-23 12:16:54 -0500 |
| commit | 123bd96d533190a207c9fcea84ae6328732a16cc (patch) | |
| tree | f8828f5698f38167604ade9ebdf5b0856986777b /arch/powerpc/lib/board.c | |
| parent | 1ca8690d27871b87b8ec4afe8621d1e003d25d7a (diff) | |
| download | blackbird-obmc-uboot-123bd96d533190a207c9fcea84ae6328732a16cc.tar.gz blackbird-obmc-uboot-123bd96d533190a207c9fcea84ae6328732a16cc.zip | |
powerpc/mpc8xxx: use topology registers to calculate number of cores
We have actual topology infomation to find out exactly which core is present.
Calculate the number of cores if not specified.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'arch/powerpc/lib/board.c')
| -rw-r--r-- | arch/powerpc/lib/board.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c index 435ef10a2e..07feaf55fc 100644 --- a/arch/powerpc/lib/board.c +++ b/arch/powerpc/lib/board.c @@ -345,6 +345,13 @@ ulong get_effective_memsize(void) #endif } +int __fixup_cpu(void) +{ + return 0; +} + +int fixup_cpu(void) __attribute__((weak, alias("__fixup_cpu"))); + /* * This is the first part of the initialization sequence that is * implemented in C, but still running from ROM. @@ -646,6 +653,12 @@ void board_init_r(gd_t *id, ulong dest_addr) * We need to update it to point to the same CPU entry in RAM. */ gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; + + /* + * If we didn't know the cpu mask & # cores, we can save them of + * now rather than 'computing' them constantly + */ + fixup_cpu(); #endif #ifdef CONFIG_SYS_EXTRA_ENV_RELOC |
