1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2011 4 * Matthias Weisser <weisserm@arcor.de> 5 * 6 * (C) Copyright 2009 DENX Software Engineering 7 * Author: John Rigby <jrigby@gmail.com> 8 * 9 * Common asm macros for imx25 10 */ 11 12 #ifndef __ASM_ARM_ARCH_MACRO_H__ 13 #define __ASM_ARM_ARCH_MACRO_H__ 14 #ifdef __ASSEMBLY__ 15 16 #include <asm/arch/imx-regs.h> 17 #include <generated/asm-offsets.h> 18 #include <asm/macro.h> 19 20 /* 21 * AIPS setup - Only setup MPROTx registers. 22 * The PACR default values are good. 23 * 24 * Default argument values: 25 * - MPR: Set all MPROTx to be non-bufferable, trusted for R/W, not forced to 26 * user-mode. 27 */ 28 .macro init_aips mpr=0x77777777 29 ldr r0, =IMX_AIPS1_BASE 30 ldr r1, =\mpr 31 str r1, [r0, #AIPS_MPR_0_7] 32 str r1, [r0, #AIPS_MPR_8_15] 33 ldr r2, =IMX_AIPS2_BASE 34 str r1, [r2, #AIPS_MPR_0_7] 35 str r1, [r2, #AIPS_MPR_8_15] 36 .endm 37 38 /* 39 * MAX (Multi-Layer AHB Crossbar Switch) setup 40 * 41 * Default argument values: 42 * - MPR: priority is IAHB > DAHB > USBOTG > RTIC > eSDHC2/SDMA 43 * - SGPCR: always park on last master 44 * - MGPCR: restore default values 45 */ 46 .macro init_max mpr=0x00043210, sgpcr=0x00000010, mgpcr=0x00000000 47 ldr r0, =IMX_MAX_BASE 48 ldr r1, =\mpr 49 str r1, [r0, #MAX_MPR0] /* for S0 */ 50 str r1, [r0, #MAX_MPR1] /* for S1 */ 51 str r1, [r0, #MAX_MPR2] /* for S2 */ 52 str r1, [r0, #MAX_MPR3] /* for S3 */ 53 str r1, [r0, #MAX_MPR4] /* for S4 */ 54 ldr r1, =\sgpcr 55 str r1, [r0, #MAX_SGPCR0] /* for S0 */ 56 str r1, [r0, #MAX_SGPCR1] /* for S1 */ 57 str r1, [r0, #MAX_SGPCR2] /* for S2 */ 58 str r1, [r0, #MAX_SGPCR3] /* for S3 */ 59 str r1, [r0, #MAX_SGPCR4] /* for S4 */ 60 ldr r1, =\mgpcr 61 str r1, [r0, #MAX_MGPCR0] /* for M0 */ 62 str r1, [r0, #MAX_MGPCR1] /* for M1 */ 63 str r1, [r0, #MAX_MGPCR2] /* for M2 */ 64 str r1, [r0, #MAX_MGPCR3] /* for M3 */ 65 str r1, [r0, #MAX_MGPCR4] /* for M4 */ 66 .endm 67 68 /* 69 * M3IF setup 70 * 71 * Default argument values: 72 * - CTL: 73 * MRRP[0] = LCDC on priority list (1 << 0) = 0x00000001 74 * MRRP[1] = MAX1 not on priority list (0 << 1) = 0x00000000 75 * MRRP[2] = MAX0 not on priority list (0 << 2) = 0x00000000 76 * MRRP[3] = USBH not on priority list (0 << 3) = 0x00000000 77 * MRRP[4] = SDMA not on priority list (0 << 4) = 0x00000000 78 * MRRP[5] = eSDHC1/ATA/FEC not on priority list (0 << 5) = 0x00000000 79 * MRRP[6] = LCDC/SLCDC/MAX2 not on priority list (0 << 6) = 0x00000000 80 * MRRP[7] = CSI not on priority list (0 << 7) = 0x00000000 81 * ------------ 82 * 0x00000001 83 */ 84 .macro init_m3if ctl=0x00000001 85 /* M3IF Control Register (M3IFCTL) */ 86 write32 IMX_M3IF_CTRL_BASE, \ctl 87 .endm 88 89 #endif /* __ASSEMBLY__ */ 90 #endif /* __ASM_ARM_ARCH_MACRO_H__ */ 91