| // SPDX-License-Identifier: GPL-2.0 |
| #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; |
| } |
| |
