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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Matthias Weisser82001ef2011-07-06 00:28:33 +00002/*
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
Matthias Weisser82001ef2011-07-06 00:28:33 +000010 */
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>
Stefano Babic2a1f1ac2011-09-05 04:32:28 +000017#include <generated/asm-offsets.h>
Benoît Thébaudeauf58c48e2012-08-20 09:00:57 +000018#include <asm/macro.h>
Matthias Weisser82001ef2011-07-06 00:28:33 +000019
Benoît Thébaudeauf58c48e2012-08-20 09:00:57 +000020/*
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]
Matthias Weisser82001ef2011-07-06 00:28:33 +000036.endm
37
Benoît Thébaudeauf58c48e2012-08-20 09:00:57 +000038/*
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
Matthias Weisser82001ef2011-07-06 00:28:33 +000067
Benoît Thébaudeauf58c48e2012-08-20 09:00:57 +000068/*
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
Matthias Weisser82001ef2011-07-06 00:28:33 +000087.endm
88
89#endif /* __ASSEMBLY__ */
90#endif /* __ASM_ARM_ARCH_MACRO_H__ */