diff options
Diffstat (limited to 'arch/sparc64/kernel/setup.c')
| -rw-r--r-- | arch/sparc64/kernel/setup.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index 12c3d84b746..b7e6a91952b 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -383,6 +383,17 @@ static void __init process_switch(char c) /* Use PROM debug console. */ register_console(&prom_debug_console); break; + case 'P': + /* Force UltraSPARC-III P-Cache on. */ + if (tlb_type != cheetah) { + printk("BOOT: Ignoring P-Cache force option.\n"); + break; + } + cheetah_pcache_forced_on = 1; + add_taint(TAINT_MACHINE_CHECK); + cheetah_enable_pcache(); + break; + default: printk("Unknown boot switch (-%c)\n", c); break; |