mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-11 12:51:54 +02:00
28dec42aa3
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20832 3c298f89-4303-0410-b956-a3cf2f4a3e73
127 lines
2.5 KiB
C
127 lines
2.5 KiB
C
/*
|
|
* (C) Copyright 2006
|
|
* Ingenic Semiconductor, <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 as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that 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 <common.h>
|
|
#include <command.h>
|
|
#include <asm/mipsregs.h>
|
|
#include <asm/jz4740.h>
|
|
#include <asm/addrspace.h>
|
|
#include <asm/cacheops.h>
|
|
|
|
void _machine_restart(void)
|
|
{
|
|
__wdt_select_extalclk();
|
|
__wdt_select_clk_div64();
|
|
__wdt_set_data(100);
|
|
__wdt_set_count(0);
|
|
__tcu_start_wdt_clock();
|
|
__wdt_start();
|
|
while(1);
|
|
|
|
}
|
|
|
|
static void gpio_init(void)
|
|
{
|
|
|
|
REG_GPIO_PXPES(0) = 0xffffffff;
|
|
REG_GPIO_PXPES(1) = 0xffffffff;
|
|
REG_GPIO_PXPES(2) = 0xffffffff;
|
|
REG_GPIO_PXPES(3) = 0xffffffff;
|
|
|
|
/*
|
|
* Initialize NAND Flash Pins
|
|
*/
|
|
__gpio_as_nand();
|
|
|
|
/*
|
|
* Initialize SDRAM pins
|
|
*/
|
|
__gpio_as_sdram_32bit();
|
|
|
|
/*
|
|
* Initialize UART0 pins
|
|
*/
|
|
__gpio_as_uart0();
|
|
|
|
/*
|
|
* Initialize MSC pins
|
|
*/
|
|
__gpio_as_msc();
|
|
|
|
/*
|
|
* Initialize LCD pins
|
|
*/
|
|
__gpio_as_lcd_16bit();
|
|
|
|
/*
|
|
* Initialize Other pins
|
|
*/
|
|
__gpio_as_output(GPIO_SD_VCC_EN_N);
|
|
__gpio_clear_pin(GPIO_SD_VCC_EN_N);
|
|
|
|
__gpio_as_input(GPIO_SD_CD_N);
|
|
__gpio_disable_pull(GPIO_SD_CD_N);
|
|
|
|
__gpio_as_output(GPIO_DISP_OFF_N);
|
|
|
|
__gpio_as_output(GPIO_LED_EN);
|
|
__gpio_set_pin(GPIO_LED_EN);
|
|
|
|
__gpio_as_input(127);
|
|
}
|
|
|
|
static void cpm_init(void)
|
|
{
|
|
__cpm_stop_ipu();
|
|
__cpm_stop_cim();
|
|
__cpm_stop_i2c();
|
|
__cpm_stop_ssi();
|
|
__cpm_stop_uart1();
|
|
__cpm_stop_sadc();
|
|
__cpm_stop_uhc();
|
|
__cpm_stop_udc();
|
|
__cpm_stop_aic1();
|
|
__cpm_stop_aic2();
|
|
__cpm_suspend_udcphy();
|
|
__cpm_suspend_usbphy();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// board early init routine
|
|
|
|
void board_early_init(void)
|
|
{
|
|
gpio_init();
|
|
cpm_init();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// U-Boot common routines
|
|
|
|
int checkboard (void)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
printf("Board: Hanvon n516 e-book (CPU Speed %d MHz)\n",
|
|
gd->cpu_clk/1000000);
|
|
|
|
return 0; /* success */
|
|
}
|