| * arch/sh/mm/cache-shx3.c - SH-X3 optimized cache ops |
| * Copyright (C) 2010 Paul Mundt |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| #include <linux/kernel.h> |
| #define CCR_CACHE_SNM 0x40000 /* Hardware-assisted synonym avoidance */ |
| #define CCR_CACHE_IBE 0x1000000 /* ICBI broadcast */ |
| void __init shx3_cache_init(void) |
| ccr = __raw_readl(SH_CCR); |
| * If we've got cache aliases, resolve them in hardware. |
| if (boot_cpu_data.dcache.n_aliases || boot_cpu_data.icache.n_aliases) { |
| boot_cpu_data.icache.n_aliases = 0; |
| boot_cpu_data.dcache.n_aliases = 0; |
| pr_info("Enabling hardware synonym avoidance\n"); |
| * Broadcast I-cache block invalidations by default. |
| writel_uncached(ccr, SH_CCR); |