mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-25 13:44:58 +02:00
dc3d3f1c49
it's basically also provided by ingenic and nativly based on 2.6.27, adjusted to fit into the OpenWrt-environment
115 lines
2.3 KiB
C
115 lines
2.3 KiB
C
/*
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* linux/arch/mips/jz4750/board-fuwa.c
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*
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* JZ4750 FUWA board setup routines.
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*
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* Copyright (c) 2006-2008 Ingenic Semiconductor Inc.
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* Author: <jlwei@ingenic.cn>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/sched.h>
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#include <linux/ioport.h>
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#include <linux/mm.h>
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#include <linux/console.h>
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#include <linux/delay.h>
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#include <asm/cpu.h>
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#include <asm/bootinfo.h>
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#include <asm/mipsregs.h>
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#include <asm/reboot.h>
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#include <asm/jzsoc.h>
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extern void (*jz_timer_callback)(void);
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static void dancing(void)
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{
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static unsigned char slash[] = "\\|/-";
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// static volatile unsigned char *p = (unsigned char *)0xb6000058;
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static volatile unsigned char *p = (unsigned char *)0xb6000016;
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static unsigned int count = 0;
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*p = slash[count++];
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count &= 3;
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}
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static void fuwa_timer_callback(void)
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{
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static unsigned long count = 0;
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if ((++count) % 50 == 0) {
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dancing();
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count = 0;
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}
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}
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static void __init board_cpm_setup(void)
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{
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/* Stop unused module clocks here.
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* We have started all module clocks at arch/mips/jz4750/setup.c.
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*/
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}
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static void __init board_gpio_setup(void)
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{
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/*
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* Initialize SDRAM pins
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*/
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/* PORT A: D0 ~ D31 */
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REG_GPIO_PXFUNS(0) = 0xffffffff;
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REG_GPIO_PXSELC(0) = 0xffffffff;
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/* PORT B: A0 ~ A16, DCS#, RAS#, CAS#, CKE#, RDWE#, CKO#, WE0# */
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REG_GPIO_PXFUNS(1) = 0x81f9ffff;
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REG_GPIO_PXSELC(1) = 0x81f9ffff;
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/* PORT C: WE1#, WE2#, WE3# */
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REG_GPIO_PXFUNS(2) = 0x07000000;
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REG_GPIO_PXSELC(2) = 0x07000000;
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/*
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* Initialize UART0 pins
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*/
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/* PORT D: TXD/RXD */
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REG_GPIO_PXFUNS(3) = 0x06000000;
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REG_GPIO_PXSELS(3) = 0x06000000;
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/*
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* Initialize LED pins
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*/
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__gpio_as_lcd_18bit();
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/* CS2# */
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REG_GPIO_PXFUNS(1) = 0x04000000;
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REG_GPIO_PXSELC(1) = 0x04000000;
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__gpio_as_pcm();
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}
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void __init jz_board_setup(void)
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{
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printk("JZ4750 FUWA board setup\n");
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board_cpm_setup();
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board_gpio_setup();
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jz_timer_callback = fuwa_timer_callback;
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}
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/**
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* Called by arch/mips/kernel/proc.c when 'cat /proc/cpuinfo'.
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* Android requires the 'Hardware:' field in cpuinfo to setup the init.%hardware%.rc.
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*/
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const char *get_board_type(void)
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{
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return "fuwa";
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}
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