1 /* 2 * (C) Copyright 2007 3 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <command.h> 10 #include <netdev.h> 11 #include <asm/processor.h> 12 #include <asm/cache.h> 13 14 int checkcpu(void) 15 { 16 #ifdef CONFIG_SH4A 17 puts("CPU: SH-4A\n"); 18 #else 19 puts("CPU: SH4\n"); 20 #endif 21 return 0; 22 } 23 24 int cpu_init (void) 25 { 26 return 0; 27 } 28 29 int cleanup_before_linux (void) 30 { 31 disable_interrupts(); 32 return 0; 33 } 34 35 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 36 { 37 disable_interrupts(); 38 reset_cpu (0); 39 return 0; 40 } 41 42 void flush_cache (unsigned long addr, unsigned long size) 43 { 44 invalidate_dcache_range(addr , addr + size); 45 } 46 47 void icache_enable (void) 48 { 49 cache_control(0); 50 } 51 52 void icache_disable (void) 53 { 54 cache_control(1); 55 } 56 57 int icache_status (void) 58 { 59 return 0; 60 } 61 62 void dcache_enable (void) 63 { 64 } 65 66 void dcache_disable (void) 67 { 68 } 69 70 int dcache_status (void) 71 { 72 return 0; 73 } 74 75 int cpu_eth_init(bd_t *bis) 76 { 77 #ifdef CONFIG_SH_ETHER 78 sh_eth_initialize(bis); 79 #endif 80 return 0; 81 } 82