#include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> #include <memmap.h> #include <hwregs/reg_map.h> #include <hwregs/reg_rdwr.h> #include <hwregs/l2cache_defs.h> #include <asm/io.h> #define L2CACHE_SIZE 64 int __init l2cache_init(void) { reg_l2cache_rw_ctrl ctrl = {0}; reg_l2cache_rw_cfg cfg = {.en = regk_l2cache_yes}; ctrl.csize = L2CACHE_SIZE; ctrl.cbase = L2CACHE_SIZE / 4 + (L2CACHE_SIZE % 4 ? 1 : 0); REG_WR(l2cache, regi_l2cache, rw_ctrl, ctrl); /* Flush the tag memory */ memset((void *)(MEM_INTMEM_START | MEM_NON_CACHEABLE), 0, 2*1024); /* Enable the cache */ REG_WR(l2cache, regi_l2cache, rw_cfg, cfg); return 0; }