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/*
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* (C) Copyright 2011
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* Matthias Weisser <weisserm@arcor.de>
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*
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* (C) Copyright 2009 DENX Software Engineering
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* Author: John Rigby <jrigby@gmail.com>
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*
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* Common asm macros for imx25
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __ASM_ARM_ARCH_MACRO_H__
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#define __ASM_ARM_ARCH_MACRO_H__
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#ifdef __ASSEMBLY__
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#include <asm/arch/imx-regs.h>
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#include <generated/asm-offsets.h>
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#include <asm/macro.h>
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/*
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* AIPS setup - Only setup MPROTx registers.
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* The PACR default values are good.
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*
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* Default argument values:
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* - MPR: Set all MPROTx to be non-bufferable, trusted for R/W, not forced to
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* user-mode.
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*/
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.macro init_aips mpr=0x77777777
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ldr r0, =IMX_AIPS1_BASE
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ldr r1, =\mpr
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str r1, [r0, #AIPS_MPR_0_7]
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str r1, [r0, #AIPS_MPR_8_15]
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ldr r2, =IMX_AIPS2_BASE
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str r1, [r2, #AIPS_MPR_0_7]
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str r1, [r2, #AIPS_MPR_8_15]
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.endm
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/*
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* MAX (Multi-Layer AHB Crossbar Switch) setup
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*
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* Default argument values:
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* - MPR: priority is IAHB > DAHB > USBOTG > RTIC > eSDHC2/SDMA
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* - SGPCR: always park on last master
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* - MGPCR: restore default values
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*/
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.macro init_max mpr=0x00043210, sgpcr=0x00000010, mgpcr=0x00000000
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ldr r0, =IMX_MAX_BASE
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ldr r1, =\mpr
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str r1, [r0, #MAX_MPR0] /* for S0 */
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str r1, [r0, #MAX_MPR1] /* for S1 */
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str r1, [r0, #MAX_MPR2] /* for S2 */
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str r1, [r0, #MAX_MPR3] /* for S3 */
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str r1, [r0, #MAX_MPR4] /* for S4 */
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ldr r1, =\sgpcr
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str r1, [r0, #MAX_SGPCR0] /* for S0 */
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str r1, [r0, #MAX_SGPCR1] /* for S1 */
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str r1, [r0, #MAX_SGPCR2] /* for S2 */
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str r1, [r0, #MAX_SGPCR3] /* for S3 */
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str r1, [r0, #MAX_SGPCR4] /* for S4 */
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ldr r1, =\mgpcr
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str r1, [r0, #MAX_MGPCR0] /* for M0 */
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str r1, [r0, #MAX_MGPCR1] /* for M1 */
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str r1, [r0, #MAX_MGPCR2] /* for M2 */
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str r1, [r0, #MAX_MGPCR3] /* for M3 */
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str r1, [r0, #MAX_MGPCR4] /* for M4 */
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.endm
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/*
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* M3IF setup
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*
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* Default argument values:
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* - CTL:
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* MRRP[0] = LCDC on priority list (1 << 0) = 0x00000001
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* MRRP[1] = MAX1 not on priority list (0 << 1) = 0x00000000
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* MRRP[2] = MAX0 not on priority list (0 << 2) = 0x00000000
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* MRRP[3] = USBH not on priority list (0 << 3) = 0x00000000
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* MRRP[4] = SDMA not on priority list (0 << 4) = 0x00000000
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* MRRP[5] = eSDHC1/ATA/FEC not on priority list (0 << 5) = 0x00000000
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* MRRP[6] = LCDC/SLCDC/MAX2 not on priority list (0 << 6) = 0x00000000
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* MRRP[7] = CSI not on priority list (0 << 7) = 0x00000000
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* ------------
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* 0x00000001
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*/
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.macro init_m3if ctl=0x00000001
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/* M3IF Control Register (M3IFCTL) */
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write32 IMX_M3IF_CTRL_BASE, \ctl
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.endm
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_ARM_ARCH_MACRO_H__ */
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