diff options
| author | Chris Dearman <chris@mips.com> | 2006-06-20 17:15:20 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-06-29 21:10:52 +0100 |
| commit | 9318c51acd9689505850152cc98277a6d6f2d752 (patch) | |
| tree | 7a8d49a377bed11ba2a45643c08af47f1222c51b /arch/mips/mm/c-r4k.c | |
| parent | f7a849153be3b66326b52dce0d07896b56cb4cd7 (diff) | |
| download | talos-obmc-linux-9318c51acd9689505850152cc98277a6d6f2d752.tar.gz talos-obmc-linux-9318c51acd9689505850152cc98277a6d6f2d752.zip | |
[MIPS] MIPS32/MIPS64 secondary cache management
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm/c-r4k.c')
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 4a43924cd4fc..01450938db8b 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1092,6 +1092,7 @@ static int __init probe_scache(void) extern int r5k_sc_init(void); extern int rm7k_sc_init(void); +extern int mips_sc_init(void); static void __init setup_scache(void) { @@ -1139,17 +1140,29 @@ static void __init setup_scache(void) return; default: + if (c->isa_level == MIPS_CPU_ISA_M32R1 || + c->isa_level == MIPS_CPU_ISA_M32R2 || + c->isa_level == MIPS_CPU_ISA_M64R1 || + c->isa_level == MIPS_CPU_ISA_M64R2) { +#ifdef CONFIG_MIPS_CPU_SCACHE + if (mips_sc_init ()) { + scache_size = c->scache.ways * c->scache.sets * c->scache.linesz; + printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n", + scache_size >> 10, + way_string[c->scache.ways], c->scache.linesz); + } +#else + if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT)) + panic("Dunno how to handle MIPS32 / MIPS64 second level cache"); +#endif + return; + } sc_present = 0; } if (!sc_present) return; - if ((c->isa_level == MIPS_CPU_ISA_M32R1 || - c->isa_level == MIPS_CPU_ISA_M64R1) && - !(c->scache.flags & MIPS_CACHE_NOT_PRESENT)) - panic("Dunno how to handle MIPS32 / MIPS64 second level cache"); - /* compute a couple of other cache variables */ c->scache.waysize = scache_size / c->scache.ways; |
