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/*
* Copyright (C) 2009 Juergen Beisert
*
* 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.
*
*
*/
/**
* @file
* @brief a9m2410dev Baseboad specific initialization routines
*
*/
#include <common.h>
#include <driver.h>
#include <init.h>
#include <io.h>
#include <mach/s3c-iomap.h>
#include <mach/s3c-busctl.h>
#include <mach/s3c24xx-gpio.h>
/**
* Initialize the CPU to be able to work with the a9m2410dev evaluation board
*/
int a9m2410dev_devices_init(void)
{
unsigned int reg;
/* ---------- configure the GPIOs ------------- */
writel(0x007FFFFF, S3C_GPACON);
writel(0x00000000, S3C_GPCCON);
writel(0x00000000, S3C_GPCUP);
writel(0x00000000, S3C_GPDCON);
writel(0x00000000, S3C_GPDUP);
writel(0xAAAAAAAA, S3C_GPECON);
writel(0x0000E03F, S3C_GPEUP);
writel(0x00000000, S3C_GPBCON); /* all inputs */
writel(0x00000007, S3C_GPBUP); /* pullup disabled for GPB0..3 */
writel(0x00009000, S3C_GPFCON); /* GPF7 CLK_INT#, GPF6 Debug-LED */
writel(0x000000FF, S3C_GPFUP);
writel(readl(S3C_GPGDAT) | 0x1010, S3C_GPGDAT); /* switch off IDLE_SW#, switch off LCD backlight */
writel(0x0100A93A, S3C_GPGCON); /* switch on USB device */
writel(0x0000F000, S3C_GPGUP);
writel(0x0029FAAA, S3C_GPHCON);
writel((1 << 12) | (0 << 11), S3C_GPJDAT);
writel(0x0016aaaa, S3C_GPJCON);
writel(~((0<<12)| (1<<11)), S3C_GPJUP);
writel((0 << 12) | (0 << 11), S3C_GPJDAT);
writel(0x0016aaaa, S3C_GPJCON);
writel(0x00001fff, S3C_GPJUP);
writel(0x00000000, S3C_DSC0);
writel(0x00000000, S3C_DSC1);
/*
* USB port1 normal, USB port0 normal, USB1 pads for device
* PCLK output on CLKOUT0, UPLL CLK output on CLKOUT1,
*/
writel((readl(S3C_MISCCR) & ~0xFFFF) | 0x0140, S3C_MISCCR);
/* ----------- configure the access to the outer space ---------- */
reg = readl(S3C_BWSCON);
/* CS#1 to access the network controller */
reg &= ~0xf0;
reg |= 0xe0;
writel(0x1350, S3C_BANKCON1);
/* CS#2 to the dual 16550 UART */
reg &= ~0xf00;
reg |= 0x400;
writel(0x0d50, S3C_BANKCON2);
writel(reg, S3C_BWSCON);
/* release the reset signal to the network and UART device */
reg = readl(S3C_MISCCR);
reg |= 0x10000;
writel(reg, S3C_MISCCR);
return 0;
}
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