/* * (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 */ }