/*
 *
 * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
 *
 * 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 <asm/arch/mx31-regs.h>

.macro REG reg, val
	ldr r2, =\reg
	ldr r3, =\val
	str r3, [r2]
.endm

.macro REG8 reg, val
	ldr r2, =\reg
	ldr r3, =\val
	strb r3, [r2]
.endm

.macro DELAY loops
	ldr r2, =\loops
1:
	subs	r2, r2, #1
	nop
	bcs 1b
.endm

.globl lowlevel_init
lowlevel_init:

	REG	IPU_CONF, IPU_CONF_DI_EN
	REG	CCM_CCMR, 0x074B0BF5

	DELAY 0x40000

	REG	CCM_CCMR, 0x074B0BF5 | CCMR_MPE
	REG	CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS

	REG	CCM_PDR0, PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) |	\
				PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) |	\
				PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) |	\
				PDR0_MCU_PODF(0)

	REG	CCM_MPCTL, PLL_PD(0) | PLL_MFD(0x33) | PLL_MFI(7) |	\
							PLL_MFN(0x23)
	REG	CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1)

	REG	0x43FAC26C, 0 /* SDCLK */
	REG	0x43FAC270, 0 /* CAS */
	REG	0x43FAC274, 0 /* RAS */
	REG	0x43FAC27C, 0x1000 /* CS2 	CSD0) */
	REG	0x43FAC284, 0 /* DQM3 */
		/* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 0x288..0x2DC) */
	REG	0x43FAC288, 0
	REG	0x43FAC28C, 0
	REG	0x43FAC290, 0
	REG	0x43FAC294, 0
	REG	0x43FAC298, 0
	REG	0x43FAC29C, 0
	REG	0x43FAC2A0, 0
	REG	0x43FAC2A4, 0
	REG	0x43FAC2A8, 0
	REG	0x43FAC2AC, 0
	REG	0x43FAC2B0, 0
	REG	0x43FAC2B4, 0
	REG	0x43FAC2B8, 0
	REG	0x43FAC2BC, 0
	REG	0x43FAC2C0, 0
	REG	0x43FAC2C4, 0
	REG	0x43FAC2C8, 0
	REG	0x43FAC2CC, 0
	REG	0x43FAC2D0, 0
	REG	0x43FAC2D4, 0
	REG	0x43FAC2D8, 0
	REG	0x43FAC2DC, 0
	REG	0xB8001010, 0x00000004
	REG	0xB8001004, 0x006ac73a
	REG	0xB8001000, 0x92100000
	REG	0x80000f00, 0x12344321
	REG	0xB8001000, 0xa2100000
	REG	0x80000000, 0x12344321
	REG	0x80000000, 0x12344321
	REG	0xB8001000, 0xb2100000
	REG8	0x80000033, 0xda
	REG8	0x81000000, 0xff