diff options
Diffstat (limited to 'package/boot/uboot-xburst/files/board/n516/n516.c')
-rw-r--r-- | package/boot/uboot-xburst/files/board/n516/n516.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/package/boot/uboot-xburst/files/board/n516/n516.c b/package/boot/uboot-xburst/files/board/n516/n516.c new file mode 100644 index 0000000..d788596 --- /dev/null +++ b/package/boot/uboot-xburst/files/board/n516/n516.c @@ -0,0 +1,126 @@ +/* + * (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 */ +} |