mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-04 14:04:04 +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
2.0 KiB
C
115 lines
2.0 KiB
C
/*
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* linux/arch/mips/jz4740/board-lyra.c
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*
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* JZ4740 LYRA board setup routines.
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*
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* Copyright (c) 2006-2007 Ingenic Semiconductor Inc.
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* Author: <lhhuang@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 int count = 0;
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count ++;
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count &= 1;
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if (count)
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__gpio_set_pin(GPIO_LED_EN);
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else
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__gpio_clear_pin(GPIO_LED_EN);
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}
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static void lyra_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/jz4740/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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* Most of the GPIO pins should have been initialized by the boot-loader
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*/
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/*
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* Initialize MSC pins
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*/
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__gpio_as_msc();
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/*
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* Initialize LCD pins
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*/
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__gpio_as_lcd_18bit();
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/*
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* Initialize SSI pins
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*/
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__gpio_as_ssi();
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/*
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* Initialize I2C pins
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*/
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__gpio_as_i2c();
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/*
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* Initialize Other pins
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*/
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__gpio_as_output(GPIO_SD_VCC_EN_N);
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__gpio_clear_pin(GPIO_SD_VCC_EN_N);
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__gpio_as_input(GPIO_SD_CD_N);
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__gpio_disable_pull(GPIO_SD_CD_N);
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__gpio_as_input(GPIO_SD_WP);
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__gpio_disable_pull(GPIO_SD_WP);
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__gpio_as_input(GPIO_DC_DETE_N);
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__gpio_as_input(GPIO_CHARG_STAT_N);
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__gpio_as_input(GPIO_USB_DETE);
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__gpio_as_output(GPIO_DISP_OFF_N);
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__gpio_as_output(GPIO_LED_EN);
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}
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void __init jz_board_setup(void)
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{
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printk("JZ4740 LYRA board setup\n");
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board_cpm_setup();
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board_gpio_setup();
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jz_timer_callback = lyra_timer_callback;
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}
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