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| author | chenhui zhao <chenhui.zhao@freescale.com> | 2015-11-20 10:13:58 +0100 |
|---|---|---|
| committer | Scott Wood <oss@buserror.net> | 2016-03-05 06:44:51 +0100 |
| commit | e7affb1dba0e9068aeb3978e858f39753e0dc20a (patch) | |
| tree | acc3b13685888fd5ad9ba6a67b0b6235447eba7f /arch/powerpc/include/asm/cputable.h | |
| parent | powerpc/mm: any thread in one core can be the first to setup TLB1 (diff) | |
| download | linux-e7affb1dba0e9068aeb3978e858f39753e0dc20a.tar.xz linux-e7affb1dba0e9068aeb3978e858f39753e0dc20a.zip | |
powerpc/cache: add cache flush operation for various e500
Various e500 core have different cache architecture, so they
need different cache flush operations. Therefore, add a callback
function cpu_flush_caches to the struct cpu_spec. The cache flush
operation for the specific kind of e500 is selected at init time.
The callback function will flush all caches inside the current cpu.
Signed-off-by: Chenhui Zhao <chenhui.zhao@freescale.com>
Signed-off-by: Tang Yuantian <Yuantian.Tang@feescale.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Diffstat (limited to 'arch/powerpc/include/asm/cputable.h')
| -rw-r--r-- | arch/powerpc/include/asm/cputable.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 94ace9b4c4e1..df4fb5faba43 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -43,6 +43,11 @@ extern int machine_check_e500(struct pt_regs *regs); extern int machine_check_e200(struct pt_regs *regs); extern int machine_check_47x(struct pt_regs *regs); +extern void cpu_down_flush_e500v2(void); +extern void cpu_down_flush_e500mc(void); +extern void cpu_down_flush_e5500(void); +extern void cpu_down_flush_e6500(void); + /* NOTE WELL: Update identify_cpu() if fields are added or removed! */ struct cpu_spec { /* CPU is matched via (PVR & pvr_mask) == pvr_value */ @@ -59,6 +64,9 @@ struct cpu_spec { unsigned int icache_bsize; unsigned int dcache_bsize; + /* flush caches inside the current cpu */ + void (*cpu_down_flush)(void); + /* number of performance monitor counters */ unsigned int num_pmcs; enum powerpc_pmc_type pmc_type; |