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openwrt-xburst/target/linux/xburst/files-2.6.27/arch/mips/jz4750/board-fuwa.c
Mirko Vogt dc3d3f1c49 yet another patchset - 2.6.27
it's basically also provided by ingenic and nativly based on 2.6.27,
adjusted to fit into the OpenWrt-environment
2009-10-28 03:13:11 +08:00

115 lines
2.3 KiB
C

/*
* linux/arch/mips/jz4750/board-fuwa.c
*
* JZ4750 FUWA board setup routines.
*
* Copyright (c) 2006-2008 Ingenic Semiconductor Inc.
* Author: <jlwei@ingenic.cn>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/jzsoc.h>
extern void (*jz_timer_callback)(void);
static void dancing(void)
{
static unsigned char slash[] = "\\|/-";
// static volatile unsigned char *p = (unsigned char *)0xb6000058;
static volatile unsigned char *p = (unsigned char *)0xb6000016;
static unsigned int count = 0;
*p = slash[count++];
count &= 3;
}
static void fuwa_timer_callback(void)
{
static unsigned long count = 0;
if ((++count) % 50 == 0) {
dancing();
count = 0;
}
}
static void __init board_cpm_setup(void)
{
/* Stop unused module clocks here.
* We have started all module clocks at arch/mips/jz4750/setup.c.
*/
}
static void __init board_gpio_setup(void)
{
/*
* Initialize SDRAM pins
*/
/* PORT A: D0 ~ D31 */
REG_GPIO_PXFUNS(0) = 0xffffffff;
REG_GPIO_PXSELC(0) = 0xffffffff;
/* PORT B: A0 ~ A16, DCS#, RAS#, CAS#, CKE#, RDWE#, CKO#, WE0# */
REG_GPIO_PXFUNS(1) = 0x81f9ffff;
REG_GPIO_PXSELC(1) = 0x81f9ffff;
/* PORT C: WE1#, WE2#, WE3# */
REG_GPIO_PXFUNS(2) = 0x07000000;
REG_GPIO_PXSELC(2) = 0x07000000;
/*
* Initialize UART0 pins
*/
/* PORT D: TXD/RXD */
REG_GPIO_PXFUNS(3) = 0x06000000;
REG_GPIO_PXSELS(3) = 0x06000000;
/*
* Initialize LED pins
*/
__gpio_as_lcd_18bit();
/* CS2# */
REG_GPIO_PXFUNS(1) = 0x04000000;
REG_GPIO_PXSELC(1) = 0x04000000;
__gpio_as_pcm();
}
void __init jz_board_setup(void)
{
printk("JZ4750 FUWA board setup\n");
board_cpm_setup();
board_gpio_setup();
jz_timer_callback = fuwa_timer_callback;
}
/**
* Called by arch/mips/kernel/proc.c when 'cat /proc/cpuinfo'.
* Android requires the 'Hardware:' field in cpuinfo to setup the init.%hardware%.rc.
*/
const char *get_board_type(void)
{
return "fuwa";
}