static void gpio_init(void)
{
/*
* Initialize SDRAM pins
*/
#if CONFIG_NR_DRAM_BANKS == 2 /*Use Two Banks SDRAM*/
__gpio_as_sdram_x2_32bit();
#else
__gpio_as_sdram_32bit();
#endif
#ifdef CONFIG_MSC_U_BOOT
if(CFG_NAND_IS_SHARE)
REG_EMC_BCR &= ~EMC_BCR_BSR_UNSHARE;
else
REG_EMC_BCR |= EMC_BCR_BSR_UNSHARE;
__gpio_as_nand_8bit(1);
#endif
/*
* Initialize lcd pins
*/
__gpio_as_lcd_18bit();
/*
* Initialize UART pins
*/
__gpio_as_uart3();
}
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
}
