mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 08:13:20 +02:00
99837ee6f8
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21241 3c298f89-4303-0410-b956-a3cf2f4a3e73
124 lines
2.4 KiB
C
124 lines
2.4 KiB
C
/*
|
|
* Authors: Xiangfu Liu <xiangfu.z@gmail.com>
|
|
*
|
|
* 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
|
|
* 3 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <asm/mipsregs.h>
|
|
#include <asm/jz4740.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static void gpio_init(void)
|
|
{
|
|
/*
|
|
* Initialize NAND Flash Pins
|
|
*/
|
|
__gpio_as_nand();
|
|
|
|
/*
|
|
* Initialize SDRAM pins
|
|
*/
|
|
__gpio_as_sdram_32bit();
|
|
|
|
/*
|
|
* Initialize LCD pins
|
|
*/
|
|
__gpio_as_lcd_8bit();
|
|
|
|
/*
|
|
* Initialize MSC pins
|
|
*/
|
|
__gpio_as_msc();
|
|
|
|
/*
|
|
* Initialize Other pins
|
|
*/
|
|
unsigned int i;
|
|
for (i = 0; i < 7; i++){
|
|
__gpio_as_input(GPIO_KEYIN_BASE + i);
|
|
__gpio_enable_pull(GPIO_KEYIN_BASE + i);
|
|
}
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
__gpio_as_output(GPIO_KEYOUT_BASE + i);
|
|
__gpio_clear_pin(GPIO_KEYOUT_BASE + i);
|
|
}
|
|
|
|
/*
|
|
* Initialize UART0 pins, in Ben NanoNote uart0 and keyin8 use the
|
|
* same gpio, init the gpio as uart0 cause a keyboard bug. so for
|
|
* end user we disable the uart0
|
|
*/
|
|
if (__gpio_get_pin(GPIO_KEYIN_BASE + 2) == 0){
|
|
/* if pressed [S] */
|
|
printf("[S] pressed, enable UART0\n");
|
|
gd->boot_option = 5;
|
|
__gpio_as_uart0();
|
|
} else {
|
|
printf("[S] not pressed, disable UART0\n");
|
|
__gpio_as_input(GPIO_KEYIN_8);
|
|
__gpio_enable_pull(GPIO_KEYIN_8);
|
|
}
|
|
|
|
__gpio_as_output(GPIO_AUDIO_POP);
|
|
__gpio_set_pin(GPIO_AUDIO_POP);
|
|
|
|
__gpio_as_output(GPIO_LCD_CS);
|
|
__gpio_clear_pin(GPIO_LCD_CS);
|
|
|
|
__gpio_as_output(GPIO_AMP_EN);
|
|
__gpio_clear_pin(GPIO_AMP_EN);
|
|
|
|
__gpio_as_output(GPIO_SDPW_EN);
|
|
__gpio_disable_pull(GPIO_SDPW_EN);
|
|
__gpio_clear_pin(GPIO_SDPW_EN);
|
|
|
|
__gpio_as_input(GPIO_SD_DETECT);
|
|
__gpio_disable_pull(GPIO_SD_DETECT);
|
|
|
|
__gpio_as_input(GPIO_USB_DETECT);
|
|
__gpio_enable_pull(GPIO_USB_DETECT);
|
|
|
|
if (__gpio_get_pin(GPIO_KEYIN_BASE + 3) == 0) {
|
|
printf("[M] pressed, boot from sd card\n");
|
|
gd->boot_option = 1;
|
|
}
|
|
}
|
|
|
|
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();*/
|
|
}
|
|
|
|
void board_early_init(void)
|
|
{
|
|
gpio_init();
|
|
cpm_init();
|
|
}
|
|
|
|
/* U-Boot common routines */
|
|
|
|
int checkboard (void)
|
|
{
|
|
|
|
printf("Board: Qi LB60 (Ingenic XBurst Jz4740 SoC, Speed %d MHz)\n",
|
|
gd->cpu_clk/1000000);
|
|
|
|
return 0; /* success */
|
|
}
|