/* * Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as * published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. */ #include <linux/init.h> #include <linux/ioport.h> #include <linux/pm.h> #include <linux/time.h> #include <asm/reboot.h> #include <asm/mach-ar7/ar7.h> #include <asm/mach-ar7/prom.h> static void ar7_machine_restart(char *command) { u32 *softres_reg = ioremap(AR7_REGS_RESET + AR7_RESET_SOFTWARE, 1); writel(1, softres_reg); } static void ar7_machine_halt(void) { while (1) ; } static void ar7_machine_power_off(void) { u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1); u32 power_state = readl(power_reg) | (3 << 30); writel(power_state, power_reg); ar7_machine_halt(); } const char *get_system_type(void) { u16 chip_id = ar7_chip_id(); u16 titan_variant_id = titan_chip_id(); switch (chip_id) { case AR7_CHIP_7100: return "TI AR7 (TNETD7100)"; case AR7_CHIP_7200: return "TI AR7 (TNETD7200)"; case AR7_CHIP_7300: return "TI AR7 (TNETD7300)"; case AR7_CHIP_TITAN: switch (titan_variant_id) { case TITAN_CHIP_1050: return "TI AR7 (TNETV1050)"; case TITAN_CHIP_1055: return "TI AR7 (TNETV1055)"; case TITAN_CHIP_1056: return "TI AR7 (TNETV1056)"; case TITAN_CHIP_1060: return "TI AR7 (TNETV1060)"; } default: return "TI AR7 (unknown)"; } } static int __init ar7_init_console(void) { return 0; } console_initcall(ar7_init_console); /* * Initializes basic routines and structures pointers, memory size (as * given by the bios and saves the command line. */ void __init plat_mem_setup(void) { unsigned long io_base; _machine_restart = ar7_machine_restart; _machine_halt = ar7_machine_halt; pm_power_off = ar7_machine_power_off; io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000); if (!io_base) panic("Can't remap IO base!"); set_io_port_base(io_base); prom_meminit(); printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n", get_system_type(), ar7_chip_id(), ar7_chip_rev()); }