| Jesper Nilsson | f74c31d | 2007-11-29 17:24:10 +0100 | [diff] [blame] | 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> |
| 9 | |
| 10 | #define L2CACHE_SIZE 64 |
| 11 | |
| 12 | int __init l2cache_init(void) |
| 13 | { |
| 14 | reg_l2cache_rw_ctrl ctrl = {0}; |
| 15 | reg_l2cache_rw_cfg cfg = {.en = regk_l2cache_yes}; |
| 16 | |
| 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); |
| 20 | |
| 21 | /* Flush the tag memory */ |
| 22 | memset((void *)(MEM_INTMEM_START | MEM_NON_CACHEABLE), 0, 2*1024); |
| 23 | |
| 24 | /* Enable the cache */ |
| 25 | REG_WR(l2cache, regi_l2cache, rw_cfg, cfg); |
| 26 | |
| 27 | return 0; |
| 28 | } |
| 29 | |