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127 lines
2.5 KiB
C
127 lines
2.5 KiB
C
/*
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* (C) Copyright 2006
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* Ingenic Semiconductor, <jlwei@ingenic.cn>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/mipsregs.h>
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#include <asm/jz4740.h>
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#include <asm/addrspace.h>
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#include <asm/cacheops.h>
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void _machine_restart(void)
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{
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__wdt_select_extalclk();
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__wdt_select_clk_div64();
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__wdt_set_data(100);
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__wdt_set_count(0);
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__tcu_start_wdt_clock();
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__wdt_start();
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while(1);
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}
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static void gpio_init(void)
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{
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REG_GPIO_PXPES(0) = 0xffffffff;
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REG_GPIO_PXPES(1) = 0xffffffff;
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REG_GPIO_PXPES(2) = 0xffffffff;
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REG_GPIO_PXPES(3) = 0xffffffff;
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/*
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* Initialize NAND Flash Pins
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*/
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__gpio_as_nand();
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/*
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* Initialize SDRAM pins
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*/
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__gpio_as_sdram_32bit();
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/*
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* Initialize UART0 pins
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*/
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__gpio_as_uart0();
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/*
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* Initialize MSC pins
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*/
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__gpio_as_msc();
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/*
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* Initialize LCD pins
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*/
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__gpio_as_lcd_16bit();
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/*
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* Initialize Other pins
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*/
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__gpio_as_output(GPIO_SD_VCC_EN_N);
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__gpio_clear_pin(GPIO_SD_VCC_EN_N);
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__gpio_as_input(GPIO_SD_CD_N);
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__gpio_disable_pull(GPIO_SD_CD_N);
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__gpio_as_output(GPIO_DISP_OFF_N);
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__gpio_as_output(GPIO_LED_EN);
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__gpio_set_pin(GPIO_LED_EN);
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__gpio_as_input(127);
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}
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static void cpm_init(void)
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{
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__cpm_stop_ipu();
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__cpm_stop_cim();
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__cpm_stop_i2c();
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__cpm_stop_ssi();
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__cpm_stop_uart1();
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__cpm_stop_sadc();
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__cpm_stop_uhc();
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__cpm_stop_udc();
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__cpm_stop_aic1();
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__cpm_stop_aic2();
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__cpm_suspend_udcphy();
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__cpm_suspend_usbphy();
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}
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//----------------------------------------------------------------------
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// board early init routine
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void board_early_init(void)
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{
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gpio_init();
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cpm_init();
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}
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//----------------------------------------------------------------------
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// U-Boot common routines
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int checkboard (void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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printf("Board: Hanvon n516 e-book (CPU Speed %d MHz)\n",
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gd->cpu_clk/1000000);
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return 0; /* success */
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}
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