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openwrt-xburst/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c
nico 38d9c42391 update ar7 to 2.6.22.1 (thanks to Matteo Croce for his great help)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8189 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-07-27 03:07:52 +00:00

125 lines
3.1 KiB
C

/*
* $Id$
*
* Copyright (C) 2006, 2007 OpenWrt.org
*
* 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/sched.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/tty.h>
#include <linux/pm.h>
#include <linux/serial_8250.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
#include <linux/serial_reg.h>
#include <asm/cpu.h>
#include <asm/irq.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/prom.h>
#include <asm/dma.h>
#include <asm/time.h>
#include <asm/traps.h>
#include <asm/io.h>
#include <asm/reboot.h>
#include <asm/gdb-stub.h>
#include <asm/ar7/ar7.h>
extern void ar7_time_init(void);
static void ar7_machine_restart(char *command);
static void ar7_machine_halt(void);
static void ar7_machine_power_off(void);
static void ar7_machine_restart(char *command)
{
volatile u32 *softres_reg = (u32 *)ioremap(AR7_REGS_RESET +
AR7_RESET_SOFTWARE, 1);
*softres_reg = 1;
}
static void ar7_machine_halt(void)
{
while (1);
}
static void ar7_machine_power_off(void)
{
volatile u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1);
u32 power_state = *power_reg | (3 << 30);
*power_reg = power_state;
ar7_machine_halt();
}
const char *get_system_type(void)
{
u16 chip_id = ar7_chip_id();
switch (chip_id) {
case AR7_CHIP_7300:
return "TI AR7 (TNETD7300)";
case AR7_CHIP_7100:
return "TI AR7 (TNETD7100)";
case AR7_CHIP_7200:
return "TI AR7 (TNETD7200)";
default:
return "TI AR7 (Unknown)";
}
}
static int __init ar7_init_console(void)
{
return 0;
}
/*
* Initializes basic routines and structures pointers, memory size (as
* given by the bios and saves the command line.
*/
extern void ar7_init_clocks(void);
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;
board_time_init = ar7_time_init;
panic_timeout = 3;
io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
if (!io_base) panic("Can't remap IO base!\n");
set_io_port_base(io_base);
prom_meminit();
#warning FIXME: clock initialisation
ar7_init_clocks();
ioport_resource.start = 0;
ioport_resource.end = ~0;
iomem_resource.start = 0;
iomem_resource.end = ~0;
printk("%s, ID: 0x%04x, Revision: 0x%02x\n", get_system_type(),
ar7_chip_id(), ar7_chip_rev());
}
console_initcall(ar7_init_console);