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Merge xburst target.

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19098 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
lars
2010-01-11 04:44:45 +00:00
parent 19682a7752
commit 809c03fe4c
84 changed files with 26280 additions and 0 deletions
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108
target/linux/xburst/files-2.6.32/arch/mips/jz4740/setup.c Normal file
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/*
* linux/arch/mips/jz4740/common/setup.c
*
* JZ4740 common setup routines.
*
* Copyright (C) 2006 Ingenic Semiconductor Inc.
*
* 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/string.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/pgtable.h>
#include <asm/time.h>
#include <asm/mach-jz4740/jz4740.h>
#include <asm/mach-jz4740/regs.h>
#include <asm/mach-jz4740/clock.h>
#include <asm/mach-jz4740/serial.h>
extern char *__init prom_getcmdline(void);
extern void __init jz_board_setup(void);
extern void jz_restart(char *);
extern void jz_halt(void);
extern void jz_power_off(void);
extern void jz_time_init(void);
static void __init soc_cpm_setup(void)
{
/* Enable CKO to external memory */
__cpm_enable_cko();
/* CPU enters IDLE mode when executing 'wait' instruction */
__cpm_idle_mode();
}
static void __init jz_serial_setup(void)
{
#ifdef CONFIG_SERIAL_8250
struct uart_port s;
REG8(UART0_FCR) |= UARTFCR_UUE; /* enable UART module */
memset(&s, 0, sizeof(s));
s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
s.iotype = SERIAL_IO_MEM;
s.regshift = 2;
s.uartclk = JZ_EXTAL;
s.line = 0;
s.membase = (u8 *)UART0_BASE;
s.irq = JZ_IRQ_UART0;
if (early_serial_setup(&s) != 0) {
printk(KERN_ERR "Serial ttyS0 setup failed!\n");
}
s.line = 1;
s.membase = (u8 *)UART1_BASE;
s.irq = JZ_IRQ_UART1;
if (early_serial_setup(&s) != 0) {
printk(KERN_ERR "Serial ttyS1 setup failed!\n");
}
#endif
}
void __init plat_mem_setup(void)
{
char *argptr;
argptr = prom_getcmdline();
/* IO/MEM resources. Which will be the addtion value in `inX' and
* `outX' macros defined in asm/io.h */
set_io_port_base(0);
ioport_resource.start = 0x00000000;
ioport_resource.end = 0xffffffff;
iomem_resource.start = 0x00000000;
iomem_resource.end = 0xffffffff;
_machine_restart = jz_restart;
_machine_halt = jz_halt;
pm_power_off = jz_power_off;
soc_cpm_setup();
jz_serial_setup();
}