31 lines
704 B
C
31 lines
704 B
C
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <memmap.h>
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#include <hwregs/reg_map.h>
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#include <hwregs/reg_rdwr.h>
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#include <hwregs/l2cache_defs.h>
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#include <asm/io.h>
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#define L2CACHE_SIZE 64
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int __init l2cache_init(void)
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{
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reg_l2cache_rw_ctrl ctrl = {0};
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reg_l2cache_rw_cfg cfg = {.en = regk_l2cache_yes};
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ctrl.csize = L2CACHE_SIZE;
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ctrl.cbase = L2CACHE_SIZE / 4 + (L2CACHE_SIZE % 4 ? 1 : 0);
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REG_WR(l2cache, regi_l2cache, rw_ctrl, ctrl);
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/* Flush the tag memory */
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memset((void *)(MEM_INTMEM_START | MEM_NON_CACHEABLE), 0, 2*1024);
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/* Enable the cache */
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REG_WR(l2cache, regi_l2cache, rw_cfg, cfg);
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return 0;
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}
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