board-init.c

em86xx 完整启动程序,支持网络下载与串通下载

/*****************************************
 Copyright (c) 2002-2003
 Sigma Designs, Inc. All Rights Reserved
 Proprietary and Confidential
 *****************************************/

#include "../config.h"
#include "../uart.h"
#include "../util.h"
#include "../vsprintf.h"
#include "../io.h"

/* Board specific initialization routine */
int board_init(void)
{
 	uart_puts("Configuring RCLKOUT\n");
  	__raw_writel(0x01070014, REG_BASE_SYSTEM + SYS_clkgen2_pll);
	__raw_writel(0x00000202, REG_BASE_SYSTEM + SYS_clkgen2_div);
	__raw_writel(0x0C000000, REG_BASE_SYSTEM + SYS_avclk_mux);
/*	uart_printf("Configuring RCLKOUT done: %x-%x-%x\n", \
				__raw_readl(REG_BASE_SYSTEM + SYS_clkgen2_pll), \
				__raw_readl(REG_BASE_SYSTEM + SYS_clkgen2_div), \
				__raw_readl(REG_BASE_SYSTEM + SYS_avclk_mux));
*/
	
	/* add delay for PCI reset */
	uart_puts("Waiting for PCI reset\n");
	em86xx_msleep(10); //10ms

	//power up samsung wlan module
//	uart_puts("Powering up WLAN module\n");
//	em86xx_gpio_write(7, 1);
	
	return(0);
}
#if defined(CONFIG_ENABLE_IRQHANDLER) && defined(CONFIG_ENABLE_BITMAPS) && defined(CONFIG_ENABLE_USERPREF) && defined (CONFIG_ENABLE_VSYNCPARAM)
/* Board specific initialization routine for screen */
int board_splashscreen_init(void)
{
#ifndef CONFIG_ENABLE_2NDBOOT
 	uart_puts("Enabling LCD\n");
  	__raw_writel(0x7F6E, 0x6c138);
	__raw_writel(0x0808, 0x6c134);
	__raw_writel(0x0808, 0x6c130);
#endif
	return(0);
}
#endif