137e4dafaSPeter Tyser /* 237e4dafaSPeter Tyser * (C) Copyright 2004, Psyent Corporation <www.psyent.com> 337e4dafaSPeter Tyser * Scott McNutt <smcnutt@psyent.com> 437e4dafaSPeter Tyser * 5*1a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 637e4dafaSPeter Tyser */ 737e4dafaSPeter Tyser 837e4dafaSPeter Tyser #include <common.h> 937e4dafaSPeter Tyser #include <nios2.h> 1037e4dafaSPeter Tyser #include <nios2-io.h> 11f956ad98SJoachim Foerster #include <asm/cache.h> 1237e4dafaSPeter Tyser 1337e4dafaSPeter Tyser #if defined (CONFIG_SYS_NIOS_SYSID_BASE) 1437e4dafaSPeter Tyser extern void display_sysid (void); 1537e4dafaSPeter Tyser #endif /* CONFIG_SYS_NIOS_SYSID_BASE */ 1637e4dafaSPeter Tyser 1737e4dafaSPeter Tyser int checkcpu (void) 1837e4dafaSPeter Tyser { 1937e4dafaSPeter Tyser printf ("CPU : Nios-II\n"); 2037e4dafaSPeter Tyser #if !defined(CONFIG_SYS_NIOS_SYSID_BASE) 2137e4dafaSPeter Tyser printf ("SYSID : <unknown>\n"); 2237e4dafaSPeter Tyser #else 2337e4dafaSPeter Tyser display_sysid (); 2437e4dafaSPeter Tyser #endif 2537e4dafaSPeter Tyser return (0); 2637e4dafaSPeter Tyser } 2737e4dafaSPeter Tyser 28882b7d72SMike Frysinger int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 2937e4dafaSPeter Tyser { 3037e4dafaSPeter Tyser disable_interrupts(); 317a6a7d10SThomas Chou /* indirect call to go beyond 256MB limitation of toolchain */ 327a6a7d10SThomas Chou nios2_callr(CONFIG_SYS_RESET_ADDR); 337a6a7d10SThomas Chou return 0; 3437e4dafaSPeter Tyser } 35f956ad98SJoachim Foerster 36f956ad98SJoachim Foerster int dcache_status(void) 37f956ad98SJoachim Foerster { 38f956ad98SJoachim Foerster return 1; 39f956ad98SJoachim Foerster } 40f956ad98SJoachim Foerster 41f956ad98SJoachim Foerster void dcache_enable(void) 42f956ad98SJoachim Foerster { 43f956ad98SJoachim Foerster flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); 44f956ad98SJoachim Foerster } 45f956ad98SJoachim Foerster 46f956ad98SJoachim Foerster void dcache_disable(void) 47f956ad98SJoachim Foerster { 48f956ad98SJoachim Foerster flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); 49f956ad98SJoachim Foerster } 50