/* * (C) Copyright 2004 * DAVE Srl * http://www.dave-tech.it * http://www.wawnet.biz * mailto:info@wawnet.biz * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include static void s3c44b0_flush_cache(void) { volatile int i; /* flush cycle */ for(i=0x10002000;i<0x10004800;i+=16) { *((int *)i)=0x0; } } void icache_enable (void) { ulong reg; s3c44b0_flush_cache(); /* Init cache Non-cacheable area (everything outside RAM) 0x0000:0000 - 0x0C00:0000 */ NCACHBE0 = 0xC0000000; NCACHBE1 = 0x00000000; /* Enable chache */ reg = SYSCFG; reg |= 0x00000006; /* 8kB */ SYSCFG = reg; } void icache_disable (void) { ulong reg; reg = SYSCFG; reg &= ~0x00000006; /* 8kB */ SYSCFG = reg; } int icache_status (void) { return 0; } void dcache_enable (void) { icache_enable(); } void dcache_disable (void) { icache_disable(); } int dcache_status (void) { return dcache_status(); }