5113f6f70
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kernel add
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#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;
}
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