board/ti/omap730p2/lowlevel_init.S - platform/external/u-boot - Gitiles

 /*
  * Board specific setup info
  *
  * (C) Copyright 2003-2004
  *
  * Texas Instruments, <www.ti.com>
  * Kshitij Gupta <Kshitij@ti.com>
  *
  * Modified for OMAP 1610 H2 board by Nishant Kamat, Jan 2004
  *
  * Modified for OMAP730 P2 Board by Dave Peverley, MPC-Data Limited
  * (http://www.mpc-data.co.uk)
  *
  * TODO : Tidy up and change to use system register defines
  *        from omap730.h where possible.
  *
  * 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 <config.h>
 #include <version.h>

 #if defined(CONFIG_OMAP730)
 #include <./configs/omap730.h>
 #endif

 _TEXT_BASE:
 	.word	CONFIG_SYS_TEXT_BASE	/* sdram load addr from config.mk */

 .globl lowlevel_init
 lowlevel_init:
 	/* Save callers address in r11 - r11 must never be modified */
 	mov r11, lr

 	/*------------------------------------------------------*
 	 *mask all IRQs by setting all bits in the INTMR default*
 	 *------------------------------------------------------*/
 	mov	r1,	#0xffffffff
 	ldr	r0,	=REG_IHL1_MIR
 	str	r1,	[r0]
 	ldr	r0,	=REG_IHL2_MIR
 	str	r1,	[r0]

 	/*------------------------------------------------------*
 	 * Set up ARM CLM registers (IDLECT1)                   *
 	 *------------------------------------------------------*/
 	ldr	r0,	REG_ARM_IDLECT1
 	ldr	r1,	VAL_ARM_IDLECT1
 	str	r1,	[r0]

 	/*------------------------------------------------------*
 	 * Set up ARM CLM registers (IDLECT2)		        *
 	 *------------------------------------------------------*/
 	ldr	r0,	REG_ARM_IDLECT2
 	ldr	r1,	VAL_ARM_IDLECT2
 	str	r1,	[r0]

 	/*------------------------------------------------------*
 	 * Set up ARM CLM registers (IDLECT3)		        *
 	 *------------------------------------------------------*/
 	ldr	r0,	REG_ARM_IDLECT3
 	ldr	r1,	VAL_ARM_IDLECT3
 	str	r1,	[r0]


 	mov	r1,	#0x01		/* PER_EN bit */
 	ldr	r0,	REG_ARM_RSTCT2
 	strh	r1,	[r0]		/* CLKM; Peripheral reset. */

 	/* Set CLKM to Sync-Scalable	*/
 	/* I supposedly need to enable the dsp clock before switching */
 	mov	r1,	#0x1000
 	ldr	r0,	REG_ARM_SYSST
 	strh	r1,	[r0]
 	mov	r0,	#0x400
 1:
 	subs	r0,	r0,	#0x1	/* wait for any bubbles to finish */
 	bne	1b
 	ldr	r1,	VAL_ARM_CKCTL
 	ldr	r0,	REG_ARM_CKCTL
 	strh	r1,	[r0]

 	/* a few nops to let settle */
 	nop
 	nop
 	nop
 	nop
 	nop
 	nop
 	nop
 	nop
 	nop
 	nop

 	/* setup DPLL 1 */
 	/* Ramp up the clock to 96Mhz */
 	ldr	r1,	VAL_DPLL1_CTL
 	ldr	r0,	REG_DPLL1_CTL
 	strh	r1,	[r0]
 	ands	r1,	r1,	#0x10	/* Check if PLL is enabled. */
 	beq	lock_end	/* Do not look for lock if BYPASS selected */
 2:
 	ldrh	r1,	[r0]
 	ands	r1,	r1,	#0x01	/*	Check the LOCK bit.*/
 	beq 2b			/*	loop until bit goes hi. */
 lock_end:

 	/*------------------------------------------------------*
 	 * Turn off the watchdog during init...			*
 	 *------------------------------------------------------*/
 	ldr	r0,	REG_WATCHDOG
 	ldr	r1,	WATCHDOG_VAL1
 	str	r1,	[r0]
 	ldr	r1,	WATCHDOG_VAL2
 	str	r1,	[r0]
 	ldr	r0,	REG_WSPRDOG
 	ldr	r1,	WSPRDOG_VAL1
 	str	r1,	[r0]
 	ldr	r0,	REG_WWPSDOG

 watch1Wait:
 	ldr	r1,	[r0]
 	tst	r1,	#0x10
 	bne	watch1Wait

 	ldr	r0,	REG_WSPRDOG
 	ldr	r1,	WSPRDOG_VAL2
 	str	r1,	[r0]
 	ldr	r0,	REG_WWPSDOG
 watch2Wait:
 	ldr	r1,	[r0]
 	tst	r1,	#0x10
 	bne	watch2Wait

 	/* Set memory timings corresponding to the new clock speed */

 	/* Check execution location to determine current execution location
 	 * and branch to appropriate initialization code.
 	 */
 	/* Compare physical SDRAM base & current execution location. */
 	and     r0, pc, #0xF0000000
 	/* Compare. */
 	cmp     r0, #0
 	/* Skip over EMIF-fast initialization if running from SDRAM. */
 	bne	skip_sdram

 	/*
 	* Delay for SDRAM initialization.
 	*/
 	mov	r3,	#0x1800		/* value should be checked */
 3:
 	subs	r3,	r3,	#0x1	/* Decrement count */
 	bne	3b

 	ldr	r0,	REG_SDRAM_CONFIG
 	ldr	r1,	SDRAM_CONFIG_VAL
 	str	r1,	[r0]

 	ldr	r0,	REG_SDRAM_MRS_LEGACY
 	ldr	r1,	SDRAM_MRS_VAL
 	str	r1,	[r0]

 skip_sdram:

 common_tc:
 	/* slow interface */
 	ldr	r1,	VAL_TC_EMIFS_CS0_CONFIG
 	ldr	r0,	REG_TC_EMIFS_CS0_CONFIG
 	str	r1,	[r0] /* Chip Select 0 */

 	ldr	r1,	VAL_TC_EMIFS_CS1_CONFIG
 	ldr	r0,	REG_TC_EMIFS_CS1_CONFIG
 	str	r1,	[r0] /* Chip Select 1 */
 	ldr	r1,	VAL_TC_EMIFS_CS2_CONFIG
 	ldr	r0,	REG_TC_EMIFS_CS2_CONFIG
 	str	r1,	[r0] /* Chip Select 2 */
 	ldr	r1,	VAL_TC_EMIFS_CS3_CONFIG
 	ldr	r0,	REG_TC_EMIFS_CS3_CONFIG
 	str	r1,	[r0] /* Chip Select 3 */

 	/* 48MHz clock request for UART1 */
 	ldr	r1,	PERSEUS2_CONFIG_BASE
 	ldrh	r0,	[r1, #CONFIG_PCC_CONF]
 	orr	r0,	r0, #CONF_MOD_UART1_CLK_MODE_R
 	strh	r0,	[r1, #CONFIG_PCC_CONF]

 	/* Initialize public and private rheas
 	 *  - set access factor 2 on both rhea / strobe
 	 *  - disable write buffer on strb0, enable write buffer on strb1
 	 */

 	ldr	R0,	REG_RHEA_PUB_CTL
 	ldr	R1,	REG_RHEA_PRIV_CTL
 	ldr	R2,	VAL_RHEA_CTL
 	strh	R2,	[R0]
 	strh	R2,	[R1]
 	mov	R3,	#2          /* disable write buffer on strb0, enable write buffer on strb1 */
 	strh	R3,	[R0, #0x08]	/* arm rhea control reg */
 	strh	R3,	[R1, #0x08]

 	/* enable IRQ and FIQ */

 	mrs	r4,	CPSR
 	bic	r4,	r4, #IRQ_MASK
 	bic	r4,	r4, #FIQ_MASK
 	msr	CPSR,	r4

 	/* set TAP CONF to TRI EMULATION */

 	ldr	r1,	[r0, #CONFIG_MODE2]
 	bic	r1,	r1, #0x18
 	orr	r1,	r1, #0x10
 	str	r1,	[r0, #CONFIG_MODE2]

 	/* set tdbgen to 1 */

 	ldr	r0,	PERSEUS2_CONFIG_BASE
 	ldr	r1,	[r0, #CONFIG_MODE1]
 	mov	r2,	#0x10000
 	orr	r1,	r1, r2
 	str	r1,	[r0, #CONFIG_MODE1]

 #ifdef CONFIG_P2_OMAP1610
 	/* inserting additional 2 clock cycle hold time for LAN */
 	ldr     r0,     REG_TC_EMIFS_CS1_ADVANCED
 	ldr	r1,     VAL_TC_EMIFS_CS1_ADVANCED
 	str     r1,     [r0]
 #endif
 	/* Start MPU Timer 1 */
 	ldr	r0,	REG_MPU_LOAD_TIMER
 	ldr	r1,	VAL_MPU_LOAD_TIMER
 	str	r1,	[r0]

 	ldr	r0,	REG_MPU_CNTL_TIMER
 	ldr	r1,	VAL_MPU_CNTL_TIMER
 	str	r1,	[r0]

 	/* back to arch calling code */
 	mov	pc,	r11

 	/* the literal pools origin */
 	.ltorg

 REG_TC_EMIFS_CONFIG:		/* 32 bits */
 	.word 0xfffecc0c
 REG_TC_EMIFS_CS0_CONFIG:	/* 32 bits */
 	.word 0xfffecc10
 REG_TC_EMIFS_CS1_CONFIG:	/* 32 bits */
 	.word 0xfffecc14
 REG_TC_EMIFS_CS2_CONFIG:	/* 32 bits */
 	.word 0xfffecc18
 REG_TC_EMIFS_CS3_CONFIG:	/* 32 bits */
 	.word 0xfffecc1c

 #ifdef CONFIG_P2_OMAP730
 REG_TC_EMIFS_CS1_ADVANCED:	/* 32 bits */
 	.word 0xfffecc54
 #endif

 /* MPU clock/reset/power mode control registers */
 REG_ARM_CKCTL:			/* 16 bits */
 	.word 0xfffece00

 REG_ARM_IDLECT3:		/* 16 bits */
 	.word 0xfffece24
 REG_ARM_IDLECT2:		/* 16 bits */
 	.word 0xfffece08
 REG_ARM_IDLECT1:		/* 16 bits */
 	.word 0xfffece04

 REG_ARM_RSTCT2:			/* 16 bits */
 	.word 0xfffece14
 REG_ARM_SYSST:			/* 16 bits */
 	.word 0xfffece18
 /* DPLL control registers */
 REG_DPLL1_CTL:			/* 16 bits */
 	.word 0xfffecf00

 /* Watch Dog register */
 /* secure watchdog stop */
 REG_WSPRDOG:
 	.word 0xfffeb048
 /* watchdog write pending */
 REG_WWPSDOG:
 	.word 0xfffeb034

 WSPRDOG_VAL1:
 	.word 0x0000aaaa
 WSPRDOG_VAL2:
 	.word 0x00005555

 /* SDRAM config is: auto refresh enabled, 16 bit 4 bank,
  counter @8192 rows, 10 ns, 8 burst */
 REG_SDRAM_CONFIG:
 	.word 0xfffecc20

 REG_SDRAM_MRS_LEGACY:
 	.word 0xfffecc24

 REG_WATCHDOG:
 	.word 0xfffec808

 REG_MPU_LOAD_TIMER:
 	.word 0xfffec504
 REG_MPU_CNTL_TIMER:
 	.word 0xfffec500

 /* Public and private rhea bridge registers definition */

 REG_RHEA_PUB_CTL:
 	.word 0xFFFECA00

 REG_RHEA_PRIV_CTL:
 	.word 0xFFFED300

 /* EMIFF SDRAM Configuration register
    - self refresh disable
    - auto refresh enabled
    - SDRAM type 64 Mb, 16 bits bus 4 banks
    - power down enabled
    - SDRAM clock disabled
  */
 SDRAM_CONFIG_VAL:
 	.word 0x0C017DF4

 /* Burst full page length ; cas latency = 3 */
 SDRAM_MRS_VAL:
 	.word 0x00000037

 VAL_ARM_CKCTL:
 	.word 0x6505
 VAL_DPLL1_CTL:
 	.word 0x3412

 #ifdef CONFIG_P2_OMAP730
 VAL_TC_EMIFS_CS0_CONFIG:
 	.word 0x0000FFF3
 VAL_TC_EMIFS_CS1_CONFIG:
 	.word 0x00004278
 VAL_TC_EMIFS_CS2_CONFIG:
 	.word 0x00004278
 VAL_TC_EMIFS_CS3_CONFIG:
 	.word 0x00004278
 VAL_TC_EMIFS_CS1_ADVANCED:
 	.word 0x00000022
 #endif

 VAL_ARM_IDLECT1:
 	.word 0x00000400
 VAL_ARM_IDLECT2:
 	.word 0x00000886
 VAL_ARM_IDLECT3:
 	.word 0x00000015

 WATCHDOG_VAL1:
 	.word 0x000000f5
 WATCHDOG_VAL2:
 	.word 0x000000a0

 VAL_MPU_LOAD_TIMER:
 	.word 0xffffffff
 VAL_MPU_CNTL_TIMER:
 	.word 0xffffffa1

 VAL_RHEA_CTL:
 	.word			0xFF22

 /* Config Register vals */
 PERSEUS2_CONFIG_BASE:
 	.word			0xFFFE1000

 .equ	CONFIG_PCC_CONF,	0xB4
 .equ	CONFIG_MODE1,		0x10
 .equ	CONFIG_MODE2,		0x14
 .equ	CONF_MOD_UART1_CLK_MODE_R,	0x0A

 /* misc values */
 .equ	IRQ_MASK,		0x80           /* IRQ mask value */
 .equ	FIQ_MASK,		0x40           /* FIQ mask value */
	/*
	* Board specific setup info
	*
	* (C) Copyright 2003-2004
	*
	* Texas Instruments, <www.ti.com>
	* Kshitij Gupta <Kshitij@ti.com>
	*
	* Modified for OMAP 1610 H2 board by Nishant Kamat, Jan 2004
	*
	* Modified for OMAP730 P2 Board by Dave Peverley, MPC-Data Limited
	* (http://www.mpc-data.co.uk)
	*
	* TODO : Tidy up and change to use system register defines
	* from omap730.h where possible.
	*
	* 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 <config.h>
	#include <version.h>

	#if defined(CONFIG_OMAP730)
	#include <./configs/omap730.h>
	#endif

	_TEXT_BASE:
	.word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */

	.globl lowlevel_init
	lowlevel_init:
	/* Save callers address in r11 - r11 must never be modified */
	mov r11, lr

	/------------------------------------------------------
	mask all IRQs by setting all bits in the INTMR default
	------------------------------------------------------/
	mov r1, #0xffffffff
	ldr r0, =REG_IHL1_MIR
	str r1, [r0]
	ldr r0, =REG_IHL2_MIR
	str r1, [r0]

	/------------------------------------------------------
	* Set up ARM CLM registers (IDLECT1) *
	------------------------------------------------------/
	ldr r0, REG_ARM_IDLECT1
	ldr r1, VAL_ARM_IDLECT1
	str r1, [r0]

	/------------------------------------------------------
	* Set up ARM CLM registers (IDLECT2) *
	------------------------------------------------------/
	ldr r0, REG_ARM_IDLECT2
	ldr r1, VAL_ARM_IDLECT2
	str r1, [r0]

	/------------------------------------------------------
	* Set up ARM CLM registers (IDLECT3) *
	------------------------------------------------------/
	ldr r0, REG_ARM_IDLECT3
	ldr r1, VAL_ARM_IDLECT3
	str r1, [r0]


	mov r1, #0x01 /* PER_EN bit */
	ldr r0, REG_ARM_RSTCT2
	strh r1, [r0] /* CLKM; Peripheral reset. */

	/* Set CLKM to Sync-Scalable */
	/* I supposedly need to enable the dsp clock before switching */
	mov r1, #0x1000
	ldr r0, REG_ARM_SYSST
	strh r1, [r0]
	mov r0, #0x400
	1:
	subs r0, r0, #0x1 /* wait for any bubbles to finish */
	bne 1b
	ldr r1, VAL_ARM_CKCTL
	ldr r0, REG_ARM_CKCTL
	strh r1, [r0]

	/* a few nops to let settle */
	nop
	nop
	nop
	nop
	nop
	nop
	nop
	nop
	nop
	nop

	/* setup DPLL 1 */
	/* Ramp up the clock to 96Mhz */
	ldr r1, VAL_DPLL1_CTL
	ldr r0, REG_DPLL1_CTL
	strh r1, [r0]
	ands r1, r1, #0x10 /* Check if PLL is enabled. */
	beq lock_end /* Do not look for lock if BYPASS selected */
	2:
	ldrh r1, [r0]
	ands r1, r1, #0x01 /* Check the LOCK bit.*/
	beq 2b /* loop until bit goes hi. */
	lock_end:

	/------------------------------------------------------
	* Turn off the watchdog during init... *
	------------------------------------------------------/
	ldr r0, REG_WATCHDOG
	ldr r1, WATCHDOG_VAL1
	str r1, [r0]
	ldr r1, WATCHDOG_VAL2
	str r1, [r0]
	ldr r0, REG_WSPRDOG
	ldr r1, WSPRDOG_VAL1
	str r1, [r0]
	ldr r0, REG_WWPSDOG

	watch1Wait:
	ldr r1, [r0]
	tst r1, #0x10
	bne watch1Wait

	ldr r0, REG_WSPRDOG
	ldr r1, WSPRDOG_VAL2
	str r1, [r0]
	ldr r0, REG_WWPSDOG
	watch2Wait:
	ldr r1, [r0]
	tst r1, #0x10
	bne watch2Wait

	/* Set memory timings corresponding to the new clock speed */

	/* Check execution location to determine current execution location
	* and branch to appropriate initialization code.
	*/
	/* Compare physical SDRAM base & current execution location. */
	and r0, pc, #0xF0000000
	/* Compare. */
	cmp r0, #0
	/* Skip over EMIF-fast initialization if running from SDRAM. */
	bne skip_sdram

	/*
	* Delay for SDRAM initialization.
	*/
	mov r3, #0x1800 /* value should be checked */
	3:
	subs r3, r3, #0x1 /* Decrement count */
	bne 3b

	ldr r0, REG_SDRAM_CONFIG
	ldr r1, SDRAM_CONFIG_VAL
	str r1, [r0]

	ldr r0, REG_SDRAM_MRS_LEGACY
	ldr r1, SDRAM_MRS_VAL
	str r1, [r0]

	skip_sdram:

	common_tc:
	/* slow interface */
	ldr r1, VAL_TC_EMIFS_CS0_CONFIG
	ldr r0, REG_TC_EMIFS_CS0_CONFIG
	str r1, [r0] /* Chip Select 0 */

	ldr r1, VAL_TC_EMIFS_CS1_CONFIG
	ldr r0, REG_TC_EMIFS_CS1_CONFIG
	str r1, [r0] /* Chip Select 1 */
	ldr r1, VAL_TC_EMIFS_CS2_CONFIG
	ldr r0, REG_TC_EMIFS_CS2_CONFIG
	str r1, [r0] /* Chip Select 2 */
	ldr r1, VAL_TC_EMIFS_CS3_CONFIG
	ldr r0, REG_TC_EMIFS_CS3_CONFIG
	str r1, [r0] /* Chip Select 3 */

	/* 48MHz clock request for UART1 */
	ldr r1, PERSEUS2_CONFIG_BASE
	ldrh r0, [r1, #CONFIG_PCC_CONF]
	orr r0, r0, #CONF_MOD_UART1_CLK_MODE_R
	strh r0, [r1, #CONFIG_PCC_CONF]

	/* Initialize public and private rheas
	* - set access factor 2 on both rhea / strobe
	* - disable write buffer on strb0, enable write buffer on strb1
	*/

	ldr R0, REG_RHEA_PUB_CTL
	ldr R1, REG_RHEA_PRIV_CTL
	ldr R2, VAL_RHEA_CTL
	strh R2, [R0]
	strh R2, [R1]
	mov R3, #2 /* disable write buffer on strb0, enable write buffer on strb1 */
	strh R3, [R0, #0x08] /* arm rhea control reg */
	strh R3, [R1, #0x08]

	/* enable IRQ and FIQ */

	mrs r4, CPSR
	bic r4, r4, #IRQ_MASK
	bic r4, r4, #FIQ_MASK
	msr CPSR, r4

	/* set TAP CONF to TRI EMULATION */

	ldr r1, [r0, #CONFIG_MODE2]
	bic r1, r1, #0x18
	orr r1, r1, #0x10
	str r1, [r0, #CONFIG_MODE2]

	/* set tdbgen to 1 */

	ldr r0, PERSEUS2_CONFIG_BASE
	ldr r1, [r0, #CONFIG_MODE1]
	mov r2, #0x10000
	orr r1, r1, r2
	str r1, [r0, #CONFIG_MODE1]

	#ifdef CONFIG_P2_OMAP1610
	/* inserting additional 2 clock cycle hold time for LAN */
	ldr r0, REG_TC_EMIFS_CS1_ADVANCED
	ldr r1, VAL_TC_EMIFS_CS1_ADVANCED
	str r1, [r0]
	#endif
	/* Start MPU Timer 1 */
	ldr r0, REG_MPU_LOAD_TIMER
	ldr r1, VAL_MPU_LOAD_TIMER
	str r1, [r0]

	ldr r0, REG_MPU_CNTL_TIMER
	ldr r1, VAL_MPU_CNTL_TIMER
	str r1, [r0]

	/* back to arch calling code */
	mov pc, r11

	/* the literal pools origin */
	.ltorg

	REG_TC_EMIFS_CONFIG: /* 32 bits */
	.word 0xfffecc0c
	REG_TC_EMIFS_CS0_CONFIG: /* 32 bits */
	.word 0xfffecc10
	REG_TC_EMIFS_CS1_CONFIG: /* 32 bits */
	.word 0xfffecc14
	REG_TC_EMIFS_CS2_CONFIG: /* 32 bits */
	.word 0xfffecc18
	REG_TC_EMIFS_CS3_CONFIG: /* 32 bits */
	.word 0xfffecc1c

	#ifdef CONFIG_P2_OMAP730
	REG_TC_EMIFS_CS1_ADVANCED: /* 32 bits */
	.word 0xfffecc54
	#endif

	/* MPU clock/reset/power mode control registers */
	REG_ARM_CKCTL: /* 16 bits */
	.word 0xfffece00

	REG_ARM_IDLECT3: /* 16 bits */
	.word 0xfffece24
	REG_ARM_IDLECT2: /* 16 bits */
	.word 0xfffece08
	REG_ARM_IDLECT1: /* 16 bits */
	.word 0xfffece04

	REG_ARM_RSTCT2: /* 16 bits */
	.word 0xfffece14
	REG_ARM_SYSST: /* 16 bits */
	.word 0xfffece18
	/* DPLL control registers */
	REG_DPLL1_CTL: /* 16 bits */
	.word 0xfffecf00

	/* Watch Dog register */
	/* secure watchdog stop */
	REG_WSPRDOG:
	.word 0xfffeb048
	/* watchdog write pending */
	REG_WWPSDOG:
	.word 0xfffeb034

	WSPRDOG_VAL1:
	.word 0x0000aaaa
	WSPRDOG_VAL2:
	.word 0x00005555

	/* SDRAM config is: auto refresh enabled, 16 bit 4 bank,
	counter @8192 rows, 10 ns, 8 burst */
	REG_SDRAM_CONFIG:
	.word 0xfffecc20

	REG_SDRAM_MRS_LEGACY:
	.word 0xfffecc24

	REG_WATCHDOG:
	.word 0xfffec808

	REG_MPU_LOAD_TIMER:
	.word 0xfffec504
	REG_MPU_CNTL_TIMER:
	.word 0xfffec500

	/* Public and private rhea bridge registers definition */

	REG_RHEA_PUB_CTL:
	.word 0xFFFECA00

	REG_RHEA_PRIV_CTL:
	.word 0xFFFED300

	/* EMIFF SDRAM Configuration register
	- self refresh disable
	- auto refresh enabled
	- SDRAM type 64 Mb, 16 bits bus 4 banks
	- power down enabled
	- SDRAM clock disabled
	*/
	SDRAM_CONFIG_VAL:
	.word 0x0C017DF4

	/* Burst full page length ; cas latency = 3 */
	SDRAM_MRS_VAL:
	.word 0x00000037

	VAL_ARM_CKCTL:
	.word 0x6505
	VAL_DPLL1_CTL:
	.word 0x3412

	#ifdef CONFIG_P2_OMAP730
	VAL_TC_EMIFS_CS0_CONFIG:
	.word 0x0000FFF3
	VAL_TC_EMIFS_CS1_CONFIG:
	.word 0x00004278
	VAL_TC_EMIFS_CS2_CONFIG:
	.word 0x00004278
	VAL_TC_EMIFS_CS3_CONFIG:
	.word 0x00004278
	VAL_TC_EMIFS_CS1_ADVANCED:
	.word 0x00000022
	#endif

	VAL_ARM_IDLECT1:
	.word 0x00000400
	VAL_ARM_IDLECT2:
	.word 0x00000886
	VAL_ARM_IDLECT3:
	.word 0x00000015

	WATCHDOG_VAL1:
	.word 0x000000f5
	WATCHDOG_VAL2:
	.word 0x000000a0

	VAL_MPU_LOAD_TIMER:
	.word 0xffffffff
	VAL_MPU_CNTL_TIMER:
	.word 0xffffffa1

	VAL_RHEA_CTL:
	.word 0xFF22

	/* Config Register vals */
	PERSEUS2_CONFIG_BASE:
	.word 0xFFFE1000

	.equ CONFIG_PCC_CONF, 0xB4
	.equ CONFIG_MODE1, 0x10
	.equ CONFIG_MODE2, 0x14
	.equ CONF_MOD_UART1_CLK_MODE_R, 0x0A

	/* misc values */
	.equ IRQ_MASK, 0x80 /* IRQ mask value */
	.equ FIQ_MASK, 0x40 /* FIQ mask value */