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/*
* (C) Copyright 2011
* Matthias Weisser <weisserm@arcor.de>
*
* (C) Copyright 2009 DENX Software Engineering
* Author: John Rigby <jrigby@gmail.com>
*
* Common asm macros for imx25
*
* 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
*/
#ifndef __ASM_ARM_ARCH_MACRO_H__
#define __ASM_ARM_ARCH_MACRO_H__
#ifdef __ASSEMBLY__
#include <asm/arch/imx-regs.h>
#include <generated/asm-offsets.h>
#include <asm/macro.h>
/*
* AIPS setup - Only setup MPROTx registers.
* The PACR default values are good.
*
* Default argument values:
* - MPR: Set all MPROTx to be non-bufferable, trusted for R/W, not forced to
* user-mode.
*/
.macro init_aips mpr=0x77777777
ldr r0, =IMX_AIPS1_BASE
ldr r1, =\mpr
str r1, [r0, #AIPS_MPR_0_7]
str r1, [r0, #AIPS_MPR_8_15]
ldr r2, =IMX_AIPS2_BASE
str r1, [r2, #AIPS_MPR_0_7]
str r1, [r2, #AIPS_MPR_8_15]
.endm
/*
* MAX (Multi-Layer AHB Crossbar Switch) setup
*
* Default argument values:
* - MPR: priority is IAHB > DAHB > USBOTG > RTIC > eSDHC2/SDMA
* - SGPCR: always park on last master
* - MGPCR: restore default values
*/
.macro init_max mpr=0x00043210, sgpcr=0x00000010, mgpcr=0x00000000
ldr r0, =IMX_MAX_BASE
ldr r1, =\mpr
str r1, [r0, #MAX_MPR0] /* for S0 */
str r1, [r0, #MAX_MPR1] /* for S1 */
str r1, [r0, #MAX_MPR2] /* for S2 */
str r1, [r0, #MAX_MPR3] /* for S3 */
str r1, [r0, #MAX_MPR4] /* for S4 */
ldr r1, =\sgpcr
str r1, [r0, #MAX_SGPCR0] /* for S0 */
str r1, [r0, #MAX_SGPCR1] /* for S1 */
str r1, [r0, #MAX_SGPCR2] /* for S2 */
str r1, [r0, #MAX_SGPCR3] /* for S3 */
str r1, [r0, #MAX_SGPCR4] /* for S4 */
ldr r1, =\mgpcr
str r1, [r0, #MAX_MGPCR0] /* for M0 */
str r1, [r0, #MAX_MGPCR1] /* for M1 */
str r1, [r0, #MAX_MGPCR2] /* for M2 */
str r1, [r0, #MAX_MGPCR3] /* for M3 */
str r1, [r0, #MAX_MGPCR4] /* for M4 */
.endm
/*
* M3IF setup
*
* Default argument values:
* - CTL:
* MRRP[0] = LCDC on priority list (1 << 0) = 0x00000001
* MRRP[1] = MAX1 not on priority list (0 << 1) = 0x00000000
* MRRP[2] = MAX0 not on priority list (0 << 2) = 0x00000000
* MRRP[3] = USBH not on priority list (0 << 3) = 0x00000000
* MRRP[4] = SDMA not on priority list (0 << 4) = 0x00000000
* MRRP[5] = eSDHC1/ATA/FEC not on priority list (0 << 5) = 0x00000000
* MRRP[6] = LCDC/SLCDC/MAX2 not on priority list (0 << 6) = 0x00000000
* MRRP[7] = CSI not on priority list (0 << 7) = 0x00000000
* ------------
* 0x00000001
*/
.macro init_m3if ctl=0x00000001
/* M3IF Control Register (M3IFCTL) */
write32 IMX_M3IF_CTRL_BASE, \ctl
.endm
#endif /* __ASSEMBLY__ */
#endif /* __ASM_ARM_ARCH_MACRO_H__ */
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