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 12int __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