/* * (C) Copyright 2004, Psyent Corporation <www.psyent.com> * Scott McNutt <smcnutt@psyent.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <asm/nios2.h> #include <asm/cache.h> DECLARE_GLOBAL_DATA_PTR; #if defined (CONFIG_SYS_NIOS_SYSID_BASE) extern void display_sysid (void); #endif /* CONFIG_SYS_NIOS_SYSID_BASE */ #ifdef CONFIG_DISPLAY_CPUINFO int print_cpuinfo(void) { printf ("CPU : Nios-II\n"); #if !defined(CONFIG_SYS_NIOS_SYSID_BASE) printf ("SYSID : <unknown>\n"); #else display_sysid (); #endif return (0); } #endif /* CONFIG_DISPLAY_CPUINFO */ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { disable_interrupts(); /* indirect call to go beyond 256MB limitation of toolchain */ nios2_callr(CONFIG_SYS_RESET_ADDR); return 0; } int dcache_status(void) { return 1; } void dcache_enable(void) { flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); } void dcache_disable(void) { flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); } int arch_cpu_init(void) { gd->cpu_clk = CONFIG_SYS_CLK_FREQ; gd->ram_size = CONFIG_SYS_SDRAM_SIZE; return 0; }