void init_gpio(void)
{
#if defined(CONFIG_JZ4760_CRATER)
//volatile int i=10000000;
/* set lcd function pin to low to avoid powering up lcd partially. */
__gpio_clear_lcd_24bit();
__gpio_as_output(GPIO_LCD_DISP_N);
__gpio_clear_pin(GPIO_LCD_DISP_N);
//while(i--);
//__gpio_as_output(GPIO_LCD_VCC_EN_N);
//__gpio_set_pin(GPIO_LCD_VCC_EN_N);
#endif
#if defined(CONFIG_JZ4760_Z800)
/*
* In z800 board PA30 is used as charge enable, we need to enable
* it before start system as a default.
*/
__gpio_clear_pin(32*0+27);
__gpio_as_output(32*0+27);
#endif
/* Init nand pins */
#if (CFG_NAND_BW8 == 1)
__gpio_as_nand_8bit(1);
#else
__gpio_as_nand_16bit(1);
#endif
/*Init lcd pins*/
#if defined(CONFIG_JZ4760_ANDROID_LCD_TRULY_TFT_ER61581)
__gpio_as_lcd_16bit();
#elif defined(CONFIG_JZ4760_ANDROID_LCD_YUE_TFT_YL10922NT)
__gpio_as_lcd_16bit();
#elif defined(CONFIG_JZ4760_PT701_8) || defined(CONFIG_JZ4760_PT701) || defined(CONFIG_JZ4760_TABLET_P2) || defined(CONFIG_JZ4760_LEPUS) || defined(CONFIG_JZ4760_PX7_2R) || defined(CONFIG_JZ4760_TABLET_8II)
__gpio_as_lcd_24bit();
#elif defined(CONFIG_JZ4760_ANDROID_LCD_PROBE)
__gpio_as_lcd_16bit();
#endif
/*
* Initialize UART1 pins
*/
#if CFG_UART_BASE == UART0_BASE
__gpio_as_uart0();
#elif CFG_UART_BASE == UART1_BASE
__gpio_as_uart1();
#elif CFG_UART_BASE == UART2_BASE
__gpio_as_uart2();
#else /* CFG_UART_BASE == UART1_BASE */
__gpio_as_uart3();
#endif
#if defined(CONFIG_JZ4760_PT701_8)
__gpio_clear_pin(GPIO_SPK_EN); // close speaker
#endif
}
int board_private_init(void)
{
unsigned int signature = 0;
/*add board privater gpio here ,it while be called by boot_main to nitialization*/
//for ethernet initialization
__gpio_as_nand_16bit(1);
__gpio_as_func0(CS_PIN);
__gpio_as_func0(RD_N_PIN);
__gpio_as_func0(WE_N_PIN);
__gpio_as_func0(32 * 1 + 2);
__gpio_as_func0(32 * 1 + 3);
REG_GPIO_PXFUNS(0) = 0x0000ffff;
REG_GPIO_PXTRGC(0) = 0x0000ffff;
REG_GPIO_PXSELC(0) = 0x0000ffff;
__gpio_as_func0(WAIT_N);
REG_NEMC_SMCR6 &= ~NEMC_SMCR_BW_MASK;
REG_NEMC_SMCR6 |= NEMC_SMCR_BW_16BIT;
/*Check the recovery signature,if exist,skip the charge_detect func.*/
signature = cpm_get_scrpad();
if ((signature == RECOVERY_SIGNATURE) || (signature == RECOVERY_SIGNATURE_SEC)) {
if (signature == RECOVERY_SIGNATURE_SEC)
cpm_set_scrpad(0);
#if defined(CONFIG_XBOOT_LOW_BATTERY_DETECT)
goto skip_chgdet;
#endif
}
#if defined(CONFIG_XBOOT_LOW_BATTERY_DETECT)
/*Usb Cable detection ,If connected ,then do charge else skip it*/
//if(charge_detect()){
if(charge_detect()&&(low_battery_detect())){
charge_logo_display();
}
skip_chgdet:
/*Before Enter the system,check the battery status,
If low battery,then Enter the hibernate mode */
while(low_battery_detect() && !charge_detect()){
low_battery_warning();
jz_pm_do_hibernate();
}
#endif
}
static void gpio_init(void)
{
/* For ethernet data line init */
__gpio_as_nand_16bit(1);
/*
* Initialize UART1 pins
*/
#if CFG_UART_BASE == UART0_BASE
__gpio_as_uart0();
#elif CFG_UART_BASE == UART1_BASE
__gpio_as_uart1();
#elif CFG_UART_BASE == UART2_BASE
__gpio_as_uart2();
#else /* CFG_UART_BASE == UART1_BASE */
__gpio_as_uart3();
#endif
}
static void nand_gpio_init(void)
{
/* For ethernet data line init */
__gpio_as_nand_16bit(1);
}
