board/apollon/apollon.c

/*
 * (C) Copyright 2005-2007
 * Samsung Electronics.
 * Kyungmin Park <kyungmin.park@samsung.com>
 *
 * Derived from omap2420
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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 <asm/arch/omap2420.h>
#include <asm/io.h>
#include <asm/arch/bits.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/sys_info.h>
#include <asm/arch/mem.h>
#include <i2c.h>
#include <asm/mach-types.h>

void wait_for_command_complete(unsigned int wd_base);

/*******************************************************
 * Routine: delay
 * Description: spinning delay to use before udelay works
******************************************************/
static inline void delay(unsigned long loops) {
	__asm__ volatile ("1:\n" "subs %0, %1, #1\n"
			  "bne 1b":"=r" (loops):"0"(loops)); }

/*****************************************
 * Routine: board_init
 * Description: Early hardware init.
 *****************************************/
int board_init(void)
{
	DECLARE_GLOBAL_DATA_PTR;

	gpmc_init();		/* in SRAM or SDRM, finish GPMC */

	gd->bd->bi_arch_number = 919;
	/* adress of boot parameters */
	gd->bd->bi_boot_params = (OMAP2420_SDRC_CS0 + 0x100);

	return 0;
}

/**********************************************************
 * Routine: s_init
 * Description: Does early system init of muxing and clocks.
 * - Called path is with sram stack.
 **********************************************************/
void s_init(void)
{

	watchdog_init();
	set_muxconf_regs();
	delay(100);

	peripheral_enable();
	icache_enable();
}

/*******************************************************
 * Routine: misc_init_r
 * Description: Init ethernet (done here so udelay works)
********************************************************/
int misc_init_r(void)
{
	ether_init();		/* better done here so timers are init'ed */
	return (0);
}

/****************************************
 * Routine: watchdog_init
 * Description: Shut down watch dogs
 *****************************************/
void watchdog_init(void)
{
	/* There are 4 watch dogs.  1 secure, and 3 general purpose.
	 * The ROM takes care of the secure one. Of the 3 GP ones,
	 * 1 can reset us directly, the other 2 only generate MPU interrupts.
	 */
	__raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
	wait_for_command_complete(WD2_BASE);
	__raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);

#define MPU_WD_CLOCKED 1
#if MPU_WD_CLOCKED		/* value 0x10 stick on aptix, BIT4 polarity seems oppsite */
	__raw_writel(WD_UNLOCK1, WD3_BASE + WSPR);
	wait_for_command_complete(WD3_BASE);
	__raw_writel(WD_UNLOCK2, WD3_BASE + WSPR);

	__raw_writel(WD_UNLOCK1, WD4_BASE + WSPR);
	wait_for_command_complete(WD4_BASE);
	__raw_writel(WD_UNLOCK2, WD4_BASE + WSPR); 
#endif 
}

/******************************************************
 * Routine: wait_for_command_complete
 * Description: Wait for posting to finish on watchdog
******************************************************/
void wait_for_command_complete(unsigned int wd_base) {
	int pending = 1;
	do {
		pending = __raw_readl(wd_base + WWPS);
	} while (pending);
}

/*******************************************************************
 * Routine:ether_init
 * Description: take the Ethernet controller out of reset and wait
 *  		   for the EEPROM load to complete.
 ******************************************************************/
void ether_init(void)
{
#ifdef CONFIG_DRIVER_LAN91C96
	int cnt = 20;

	__raw_writeb(0x03, OMAP2420_CTRL_BASE + 0x0f2);	/*protect->gpio74 */

	__raw_writew(0x0, LAN_RESET_REGISTER);
	do {
		__raw_writew(0x1, LAN_RESET_REGISTER);
		udelay(100);
		if (cnt == 0) {
			printf("1. eth reset err\n");
			goto eth_reset_err_out;
		}
		--cnt;
	} while (__raw_readw(LAN_RESET_REGISTER) != 0x1);

	cnt = 20;

	do {
		__raw_writew(0x0, LAN_RESET_REGISTER);
		udelay(100);
		if (cnt == 0) {
			printf("2. eth reset err\n");
			goto eth_reset_err_out;
		}
		--cnt;
	} while (__raw_readw(LAN_RESET_REGISTER) != 0x0000);
	udelay(1000);

	*((volatile unsigned char *)ETH_CONTROL_REG) &= ~0x01;
	udelay(1000);

eth_reset_err_out:
	return;
#endif
}

/**********************************************
 * Routine: dram_init
 * Description: sets uboots idea of sdram size
**********************************************/
int dram_init(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	unsigned int size0 = 0, size1 = 0;
	u32 mtype, btype, rev = 0, cpu = 0;
#define NOT_EARLY 0

	btype = get_board_type();
	mtype = get_mem_type();
	rev = get_cpu_rev();
	cpu = get_cpu_type();

	display_board_info(btype);

	if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) {
		printf("ddr combo\n");
		do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY);	/* init other chip select */
	}

	size0 = get_sdr_cs_size(SDRC_CS0_OSET);
	size1 = get_sdr_cs_size(SDRC_CS1_OSET);

	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
	gd->bd->bi_dram[0].size = size0;
#if CONFIG_NR_DRAM_BANKS > 1
	gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + size0;
	gd->bd->bi_dram[1].size = size1;
#endif

	return 0;
}

/**********************************************************
 * Routine: set_muxconf_regs
 * Description: Setting up the configuration Mux registers
 *              specific to the hardware
 *********************************************************/
void set_muxconf_regs(void)
{
	muxSetupSDRC();
	muxSetupGPMC();
	muxSetupUsb0();		/* USB Device */
	muxSetupUsbHost();	/* USB Host */
	muxSetupUART1();
	muxSetupLCD();
	muxSetupMMCSD();
	muxSetupTouchScreen();
}

/*****************************************************************
 * Routine: peripheral_enable
 * Description: Enable the clks & power for perifs (GPT2, UART1,...)
******************************************************************/
void peripheral_enable(void)
{
	unsigned int v, if_clks = 0, func_clks = 0;

	/* Enable GP2 timer. */
	if_clks |= BIT4 | BIT3;
	func_clks |= BIT4 | BIT3;
	v = __raw_readl(CM_CLKSEL2_CORE) | 0x4 | 0x2;	/* Sys_clk input OMAP2420_GPT2 */
	__raw_writel(v, CM_CLKSEL2_CORE);
	__raw_writel(0x1, CM_CLKSEL_WKUP);

#ifdef CFG_NS16550
	/* Enable UART1 clock */
	func_clks |= BIT21;
	if_clks |= BIT21;
#endif
	v = __raw_readl(CM_ICLKEN1_CORE) | if_clks;	/* Interface clocks on */
	__raw_writel(v, CM_ICLKEN1_CORE);
	v = __raw_readl(CM_FCLKEN1_CORE) | func_clks;	/* Functional Clocks on */
	__raw_writel(v, CM_FCLKEN1_CORE);
	delay(1000);

#ifndef KERNEL_UPDATED
	{
#define V1 0xffffffff
#define V2 0x00000007

		__raw_writel(V1, CM_FCLKEN1_CORE);
		__raw_writel(V2, CM_FCLKEN2_CORE);
		__raw_writel(V1, CM_ICLKEN1_CORE);
		__raw_writel(V1, CM_ICLKEN2_CORE);
	}
#endif
}

/****************************************
 * Routine: muxSetupUsb0 (ostboot)
 * Description: Setup usb muxing
 *****************************************/
void muxSetupUsb0(void)
{
	volatile uint8 *MuxConfigReg;

	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_PUEN;
	*MuxConfigReg &= (uint8) (~0x1F);

	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VP;
	*MuxConfigReg &= (uint8) (~0x1F);

	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VM;
	*MuxConfigReg &= (uint8) (~0x1F);

	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_RCV;
	*MuxConfigReg &= (uint8) (~0x1F);

	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_TXEN;
	*MuxConfigReg &= (uint8) (~0x1F);

	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_SE0;
	*MuxConfigReg &= (uint8) (~0x1F);

	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_DAT;
	*MuxConfigReg &= (uint8) (~0x1F);
}

#define CONTROL_PADCONF_USB1_RCV	((volatile uint8 *)0x480000EB)
#define CONTROL_PADCONF_USB1_TXEN	((volatile uint8 *)0x480000EC)
#define CONTROL_PADCONF_GPIO69		((volatile uint8 *)0x480000ED)
#define CONTROL_PADCONF_GPIO70		((volatile uint8 *)0x480000EE)

#define CONTROL_PADCONF_GPIO102		((volatile uint8 *)0x48000116)
#define CONTROL_PADCONF_GPIO103		((volatile uint8 *)0x48000117)
#define CONTROL_PADCONF_GPIO104		((volatile uint8 *)0x48000118)
#define CONTROL_PADCONF_GPIO105		((volatile uint8 *)0x48000119)
/****************************************
 * Routine: muxSetupUSBHost (ostboot)
 * Description: Setup USB Host muxing
 *****************************************/
void muxSetupUsbHost(void)
{
	volatile uint8 *MuxConfigReg;

	/* V19 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB1_RCV;
	*MuxConfigReg = 1;
	/* W20 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB1_TXEN;
	*MuxConfigReg = 1;
	/* N14 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO69;
	*MuxConfigReg = 3;
	/* P15 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO70;
	*MuxConfigReg = 3;

	/* L18 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO102;
	*MuxConfigReg = 3;
	/* L19 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO103;
	*MuxConfigReg = 3;
	/* K15 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO104;
	*MuxConfigReg = 3;
	/* K14 */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO105;
	*MuxConfigReg = 3;
}

/****************************************
 * Routine: muxSetupUART1 (ostboot)
 * Description: Set up uart1 muxing
 *****************************************/
void muxSetupUART1(void)
{
	volatile unsigned char *MuxConfigReg;

	/* UART1_CTS pin configuration, PIN = D21 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_CTS;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* UART1_RTS pin configuration, PIN = H21 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RTS;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* UART1_TX pin configuration, PIN = L20 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_TX;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* UART1_RX pin configuration, PIN = T21 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RX;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
}

/****************************************
 * Routine: muxSetupLCD (ostboot)
 * Description: Setup lcd muxing
 *****************************************/
void muxSetupLCD(void)
{
	volatile unsigned char *MuxConfigReg;

	/* LCD_D0 pin configuration, PIN = Y7 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D0;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D1 pin configuration, PIN = P10 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D1;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D2 pin configuration, PIN = V8 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D2;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D3 pin configuration, PIN = Y8 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D3;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D4 pin configuration, PIN = W8 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D4;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D5 pin configuration, PIN = R10 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D5;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D6 pin configuration, PIN = Y9 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D6;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D7 pin configuration, PIN = V9 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D7;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D8 pin configuration, PIN = W9 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D8;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D9 pin configuration, PIN = P11 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D9;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D10 pin configuration, PIN = V10 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D10;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D11 pin configuration, PIN = Y10 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D11;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D12 pin configuration, PIN = W10 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D12;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D13 pin configuration, PIN = R11 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D13;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D14 pin configuration, PIN = V11 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D14;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D15 pin configuration, PIN = W11 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D15;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D16 pin configuration, PIN = P12 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D16;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_D17 pin configuration, PIN = R12 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D17;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_PCLK pin configuration, PIN = W6 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_PCLK;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_VSYNC pin configuration, PIN = V7 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_VSYNC;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_HSYNC pin configuration, PIN = Y6 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_HSYNC;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* LCD_ACBIAS pin configuration, PIN = W7 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_ACBIAS;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
}

/****************************************
 * Routine: muxSetupMMCSD (ostboot)
 * Description: set up MMC muxing
 *****************************************/
void muxSetupMMCSD(void)
{
	volatile unsigned char *MuxConfigReg;

	/* SDMMC_CLKI pin configuration, PIN = H15 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKI;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SDMMC_CLKO pin configuration, PIN = G19 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKO;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SDMMC_CMD pin configuration, PIN = H18 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
	/* External pull-ups are present. */
	/* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */

	/* SDMMC_DAT0 pin configuration, PIN = F20 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT0;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
	/* External pull-ups are present. */
	/* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */

	/* SDMMC_DAT1 pin configuration, PIN = H14 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT1;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
	/* External pull-ups are present. */
	/* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */

	/* SDMMC_DAT2 pin configuration, PIN = E19 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT2;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
	/* External pull-ups are present. */
	/* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */

	/* SDMMC_DAT3 pin configuration, PIN = D19 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT3;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
	/* External pull-ups are present. */
	/* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */

	/* SDMMC_DDIR0 pin configuration, PIN = F19 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR0;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SDMMC_DDIR1 pin configuration, PIN = E20 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR1;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SDMMC_DDIR2 pin configuration, PIN = F18 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR2;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SDMMC_DDIR3 pin configuration, PIN = E18 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR3;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SDMMC_CDIR pin configuration, PIN = G18 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD_DIR;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */
}

/******************************************
 * Routine: muxSetupTouchScreen (ostboot)
 * Description: Set up touch screen muxing
*******************************************/
void muxSetupTouchScreen(void)
{
	volatile unsigned char *MuxConfigReg;

	/* SPI1_CLK pin configuration, PIN = U18 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_CLK;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SPI1_MOSI pin configuration, PIN = V20 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SIMO;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SPI1_MISO pin configuration, PIN = T18 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SOMI;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

	/* SPI1_nCS0 pin configuration, PIN = U19 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_NCS0;
	*MuxConfigReg = 0x00;	/* Mode = 0, PUPD=Disabled */

#define CONTROL_PADCONF_GPIO85	CONTROL_PADCONF_SPI1_NCS1

	/* PEN_IRQ pin configuration, PIN = N15 */
	MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_GPIO85;
	*MuxConfigReg = 0x03;	/* Mode = 3, PUPD=Disabled */
}

/***************************************************************
 * Routine: muxSetupGPMC (ostboot)
 * Description: Configures balls which cam up in protected mode
***************************************************************/
void muxSetupGPMC(void)
{
	volatile uint8 *MuxConfigReg;
	volatile unsigned int *MCR = (volatile unsigned int *)0x4800008C;

	/* gpmc_io_dir */
	*MCR = 0x19000000;

	/* NOR FLASH CS0 */
	/* signal - Gpmc_clk;
		pin - J4; offset - 0x0088; mode - 0; Byte-3  Pull/up - N/A */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_D2_BYTE3;
	*MuxConfigReg = 0x00;

	/* MPDB(Multi Port Debug Port) CS1 */
	/* signal - gpmc_ncs1;
		pin - N8; offset - 0x008C; mode - 0; Byte-1 Pull/up - N/A */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE1;
	*MuxConfigReg = 0x00;

	/* signal - Gpmc_ncs2;
		pin - E2; offset - 0x008C; mode - 0; Byte-2 Pull/up - N/A */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE2;
	*MuxConfigReg = 0x00;

	/* signal - Gpmc_ncs3;
		pin - N2; offset - 0x008C; mode - 0; Byte-3 Pull/up - N/A */
	MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE3;
	*MuxConfigReg = 0x00;

	MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000090);
	*MuxConfigReg = 0x00;
	MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000091);
	*MuxConfigReg = 0x00;
	MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000092);
	*MuxConfigReg = 0x00;
	MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000093);
	*MuxConfigReg = 0x00;
}

/****************************************************************
 * Routine: muxSetupSDRC (ostboot)
 * Description: Configures balls which come up in protected mode
****************************************************************/
void muxSetupSDRC(void)
{
	/* It's set by IPL */
}