cciss: call BUG() earlier
[linux-2.6/next.git] / arch / cris / arch-v32 / mm / l2cache.c
blob332ff10dcc6b0b84381aa1081881f4f7ed203295
1 #include <linux/init.h>
2 #include <linux/kernel.h>
3 #include <linux/string.h>
4 #include <memmap.h>
5 #include <hwregs/reg_map.h>
6 #include <hwregs/reg_rdwr.h>
7 #include <hwregs/l2cache_defs.h>
8 #include <asm/io.h>
10 #define L2CACHE_SIZE 64
12 int __init l2cache_init(void)
14 reg_l2cache_rw_ctrl ctrl = {0};
15 reg_l2cache_rw_cfg cfg = {.en = regk_l2cache_yes};
17 ctrl.csize = L2CACHE_SIZE;
18 ctrl.cbase = L2CACHE_SIZE / 4 + (L2CACHE_SIZE % 4 ? 1 : 0);
19 REG_WR(l2cache, regi_l2cache, rw_ctrl, ctrl);
21 /* Flush the tag memory */
22 memset((void *)(MEM_INTMEM_START | MEM_NON_CACHEABLE), 0, 2*1024);
24 /* Enable the cache */
25 REG_WR(l2cache, regi_l2cache, rw_cfg, cfg);
27 return 0;