4 * Copyright (C) 2006, 2007 OpenWrt.org
6 * Carsten Langgaard, carstenl@mips.com
7 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
9 * This program is free software; you can distribute it and/or modify it
10 * under the terms of the GNU General Public License (Version 2) as
11 * published by the Free Software Foundation.
13 * This program is distributed in the hope it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 #include <linux/init.h>
23 #include <linux/ioport.h>
26 #include <asm/mips-boards/prom.h>
27 #include <asm/reboot.h>
29 #include <asm/ar7/ar7.h>
31 extern void ar7_time_init(void);
32 static void ar7_machine_restart(char *command);
33 static void ar7_machine_halt(void);
34 static void ar7_machine_power_off(void);
36 static void ar7_machine_restart(char *command)
38 u32 *softres_reg = (u32 *)ioremap(AR7_REGS_RESET +
39 AR7_RESET_SOFTWARE, 1);
40 writel(1, softres_reg);
43 static void ar7_machine_halt(void)
48 static void ar7_machine_power_off(void)
50 u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1);
51 u32 power_state = readl(power_reg) | (3 << 30);
52 writel(power_state, power_reg);
56 const char *get_system_type(void)
58 u16 chip_id = ar7_chip_id();
61 return "TI AR7 (TNETD7300)";
63 return "TI AR7 (TNETD7100)";
65 return "TI AR7 (TNETD7200)";
67 return "TI AR7 (Unknown)";
71 static int __init ar7_init_console(void)
77 * Initializes basic routines and structures pointers, memory size (as
78 * given by the bios and saves the command line.
81 extern void ar7_init_clocks(void);
83 void __init plat_mem_setup(void)
85 unsigned long io_base;
87 _machine_restart = ar7_machine_restart;
88 _machine_halt = ar7_machine_halt;
89 pm_power_off = ar7_machine_power_off;
90 board_time_init = ar7_time_init;
93 io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
94 if (!io_base) panic("Can't remap IO base!\n");
95 set_io_port_base(io_base);
100 ioport_resource.start = 0;
101 ioport_resource.end = ~0;
102 iomem_resource.start = 0;
103 iomem_resource.end = ~0;
105 printk("%s, ID: 0x%04x, Revision: 0x%02x\n", get_system_type(),
106 ar7_chip_id(), ar7_chip_rev());
109 console_initcall(ar7_init_console);