/* * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * * (C) Copyright 2002 * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> * * (C) Copyright 2003 * Texas Instruments, <www.ti.com> * Kshitij Gupta <Kshitij@ti.com> * * 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>#if defined(CONFIG_OMAP1610)#include <./configs/omap1510.h>#endifvoid flash__init (void);void ether__init (void);void set_muxconf_regs (void);void peripheral_power_enable (void);#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)static inline void delay (unsigned long loops){	__asm__ volatile ("1:\n"		"subs %0, %1, #1\n"		"bne 1b":"=r" (loops):"0" (loops));}/* * Miscellaneous platform dependent initialisations */int board_init (void){	DECLARE_GLOBAL_DATA_PTR;	/* arch number of OMAP 1510-Board */	/* to be changed for OMAP 1610 Board */	gd->bd->bi_arch_number = 234;	/* adress of boot parameters */	gd->bd->bi_boot_params = 0x10000100;	/* Configure MUX settings */	set_muxconf_regs ();	peripheral_power_enable ();/* this speeds up your boot a quite a bit.  However to make it *  work, you need make sure your kernel startup flush bug is fixed. *  ... rkw ... */	icache_enable ();	flash__init ();	ether__init ();	return 0;}int misc_init_r (void){	/* currently empty */	return (0);}/****************************** Routine: Description:******************************/void flash__init (void){#define EMIFS_GlB_Config_REG 0xfffecc0c	unsigned int regval;	regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG);	/* Turn off write protection for flash devices. */	regval = regval | 0x0001;	*((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval;}/************************************************************* Routine:ether__init Description: take the Ethernet controller out of reset and wait	  		   for the EEPROM load to complete.*************************************************************/void ether__init (void){#define ETH_CONTROL_REG 0x0400000b	*((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01;	udelay (3);}/****************************** Routine: Description:******************************/int dram_init (void){	DECLARE_GLOBAL_DATA_PTR;	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;	return 0;}/****************************************************** Routine: set_muxconf_regs Description: Setting up the configuration Mux registers 			  specific to the hardware*******************************************************/void set_muxconf_regs (void){	volatile unsigned int *MuxConfReg;	/* set each registers to its reset value; */	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_0);	/* setup for UART1 */	*MuxConfReg &= ~(0x02000000);	/* bit 25 */	/* setup for UART2 */	*MuxConfReg &= ~(0x01000000);	/* bit 24 */	/* Disable Uwire CS Hi-Z */	*MuxConfReg |= 0x08000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_3);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_4);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_5);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_6);	/*setup mux for UART3 */	*MuxConfReg |= 0x00000001;	/* bit3, 1, 0 (mux0 5,5,26) */	*MuxConfReg &= ~0x0000003e;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_7);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_8);	/* Disable Uwire CS Hi-Z */	*MuxConfReg |= 0x00001200;	/*bit 9 for CS0 12 for CS3 */	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_9);	/*  Need to turn on bits 21 and 12 in FUNC_MUX_CTRL_9 so the  */	/*  hardware will actually use TX and RTS based on bit 25 in  */	/*  FUNC_MUX_CTRL_0.  I told you this thing was screwy!  */	*MuxConfReg |= 0x00201000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_A);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_B);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_C);	/* setup for UART2 */	/*  Need to turn on bits 27 and 24 in FUNC_MUX_CTRL_C so the  */	/*  hardware will actually use TX and RTS based on bit 24 in  */	/*  FUNC_MUX_CTRL_0. */	*MuxConfReg |= 0x09000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_0);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_1);	*MuxConfReg = 0x00000000;	/* mux setup for SD/MMC driver */	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_2);	*MuxConfReg &= 0xFFFE0FFF;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_3);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);	/* bit 13 for MMC2 XOR_CLK */	*MuxConfReg &= ~(0x00002000);	/* bit 29 for UART 1 */	*MuxConfReg &= ~(0x00002000);	MuxConfReg =		(volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_0);	/* Configure for USB. Turn on VBUS_CTRL and VBUS_MODE. */	*MuxConfReg |= 0x000C0000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int)USB_TRANSCEIVER_CTRL);	*MuxConfReg &= ~(0x00000070);	*MuxConfReg &= ~(0x00000008);	*MuxConfReg |= 0x00000003;	*MuxConfReg |= 0x00000180;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);	/* bit 17, software controls VBUS */	*MuxConfReg &= ~(0x00020000);	/* Enable USB 48 and 12M clocks */	*MuxConfReg |= 0x00000200;	*MuxConfReg &= ~(0x00000180);	/*2.75V for MMCSDIO1 */	MuxConfReg =		(volatile unsigned int *) ((unsigned int) VOLTAGE_CTRL_0);	*MuxConfReg = 0x00001FE7;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PU_PD_SEL_0);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PU_PD_SEL_1);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PU_PD_SEL_2);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PU_PD_SEL_3);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PU_PD_SEL_4);	*MuxConfReg = 0x00000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_4);	*MuxConfReg = 0x00000000;	/* Turn on UART2 48 MHZ clock */	MuxConfReg =		(volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);	*MuxConfReg |= 0x40000000;	MuxConfReg =		(volatile unsigned int *) ((unsigned int) USB_OTG_CTRL);	/* setup for USB VBus detection OMAP161x */	*MuxConfReg |= 0x00040000;	/* bit 18 */	MuxConfReg =		(volatile unsigned int *) ((unsigned int) PU_PD_SEL_2);	/* PullUps for SD/MMC driver */	*MuxConfReg |= ~(0xFFFE0FFF);	MuxConfReg =		(volatile unsigned int *) ((unsigned int)COMP_MODE_CTRL_0);	*MuxConfReg = COMP_MODE_ENABLE;}/****************************************************** Routine: peripheral_power_enable Description: Enable the power for UART1*******************************************************/void peripheral_power_enable (void){#define UART1_48MHZ_ENABLE	((unsigned short)0x0200)#define SW_CLOCK_REQUEST	((volatile unsigned short *)0xFFFE0834)	*SW_CLOCK_REQUEST |= UART1_48MHZ_ENABLE;}