diff options
Diffstat (limited to 'package/boot/uboot-xburst/files/board/nanonote/nanonote.c')
-rw-r--r-- | package/boot/uboot-xburst/files/board/nanonote/nanonote.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/package/boot/uboot-xburst/files/board/nanonote/nanonote.c b/package/boot/uboot-xburst/files/board/nanonote/nanonote.c new file mode 100644 index 0000000000..96a3c7da00 --- /dev/null +++ b/package/boot/uboot-xburst/files/board/nanonote/nanonote.c @@ -0,0 +1,123 @@ +/* + * 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 */ +} |