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Brian Swetland30421022007-11-26 04:11:43 -08001/* arch/arm/mach-msm/io.c
2 *
Daniel Walkercf62ffa2010-05-04 15:12:27 -07003 * MSM7K, QSD io support
Brian Swetland30421022007-11-26 04:11:43 -08004 *
5 * Copyright (C) 2007 Google, Inc.
David Brown8c27e6f2011-01-07 10:20:49 -08006 * Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved.
Brian Swetland30421022007-11-26 04:11:43 -08007 * Author: Brian Swetland <swetland@google.com>
8 *
9 * This software is licensed under the terms of the GNU General Public
10 * License version 2, as published by the Free Software Foundation, and
11 * may be copied, distributed, and modified under those terms.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 */
19
20#include <linux/kernel.h>
21#include <linux/init.h>
Russell Kingfced80c2008-09-06 12:10:45 +010022#include <linux/io.h>
Paul Gortmakerdc280942011-07-31 16:17:29 -040023#include <linux/export.h>
Brian Swetland30421022007-11-26 04:11:43 -080024
Russell Kinga09e64f2008-08-05 16:14:15 +010025#include <mach/hardware.h>
Brian Swetland30421022007-11-26 04:11:43 -080026#include <asm/page.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010027#include <mach/msm_iomap.h>
Brian Swetland30421022007-11-26 04:11:43 -080028#include <asm/mach/map.h>
29
Russell Kinga09e64f2008-08-05 16:14:15 +010030#include <mach/board.h>
Brian Swetland30421022007-11-26 04:11:43 -080031
David Brown8c27e6f2011-01-07 10:20:49 -080032#define MSM_CHIP_DEVICE(name, chip) { \
Brian Swetlandbcc0f6a2008-09-10 14:00:53 -070033 .virtual = (unsigned long) MSM_##name##_BASE, \
David Brown8c27e6f2011-01-07 10:20:49 -080034 .pfn = __phys_to_pfn(chip##_##name##_PHYS), \
35 .length = chip##_##name##_SIZE, \
Brian Swetland30421022007-11-26 04:11:43 -080036 .type = MT_DEVICE_NONSHARED, \
37 }
38
David Brown8c27e6f2011-01-07 10:20:49 -080039#define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM)
40
Daniel Walkercf62ffa2010-05-04 15:12:27 -070041#if defined(CONFIG_ARCH_MSM7X00A) || defined(CONFIG_ARCH_MSM7X27) \
42 || defined(CONFIG_ARCH_MSM7X25)
Brian Swetland30421022007-11-26 04:11:43 -080043static struct map_desc msm_io_desc[] __initdata = {
44 MSM_DEVICE(VIC),
David Brown8c27e6f2011-01-07 10:20:49 -080045 MSM_CHIP_DEVICE(CSR, MSM7X00),
Brian Swetland30421022007-11-26 04:11:43 -080046 MSM_DEVICE(DMOV),
David Brown03db0722011-05-12 00:54:36 -070047 MSM_CHIP_DEVICE(GPIO1, MSM7X00),
48 MSM_CHIP_DEVICE(GPIO2, MSM7X00),
Brian Swetland30421022007-11-26 04:11:43 -080049 MSM_DEVICE(CLK_CTL),
Stephen Boyd650e3f02011-11-08 10:33:03 -080050#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
51 defined(CONFIG_DEBUG_MSM_UART3)
Pavel Machek6339f662009-11-02 11:48:29 +010052 MSM_DEVICE(DEBUG_UART),
53#endif
Dima Zavinb42dc442010-01-29 11:43:42 -080054#ifdef CONFIG_ARCH_MSM7X30
55 MSM_DEVICE(GCC),
56#endif
Brian Swetland30421022007-11-26 04:11:43 -080057 {
Brian Swetlandbcc0f6a2008-09-10 14:00:53 -070058 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
Daniel Walkercf62ffa2010-05-04 15:12:27 -070059 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
Brian Swetland30421022007-11-26 04:11:43 -080060 .length = MSM_SHARED_RAM_SIZE,
61 .type = MT_DEVICE,
62 },
63};
64
65void __init msm_map_common_io(void)
66{
67 /* Make sure the peripheral register window is closed, since
68 * we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which
69 * pages are peripheral interface or not.
70 */
71 asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
Brian Swetland30421022007-11-26 04:11:43 -080072 iotable_init(msm_io_desc, ARRAY_SIZE(msm_io_desc));
73}
Daniel Walkercf62ffa2010-05-04 15:12:27 -070074#endif
75
76#ifdef CONFIG_ARCH_QSD8X50
77static struct map_desc qsd8x50_io_desc[] __initdata = {
78 MSM_DEVICE(VIC),
David Brown8c27e6f2011-01-07 10:20:49 -080079 MSM_CHIP_DEVICE(CSR, QSD8X50),
Daniel Walkercf62ffa2010-05-04 15:12:27 -070080 MSM_DEVICE(DMOV),
David Brown03db0722011-05-12 00:54:36 -070081 MSM_CHIP_DEVICE(GPIO1, QSD8X50),
82 MSM_CHIP_DEVICE(GPIO2, QSD8X50),
Daniel Walkercf62ffa2010-05-04 15:12:27 -070083 MSM_DEVICE(CLK_CTL),
84 MSM_DEVICE(SIRC),
85 MSM_DEVICE(SCPLL),
86 MSM_DEVICE(AD5),
87 MSM_DEVICE(MDC),
Stephen Boyd650e3f02011-11-08 10:33:03 -080088#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
89 defined(CONFIG_DEBUG_MSM_UART3)
Daniel Walkercf62ffa2010-05-04 15:12:27 -070090 MSM_DEVICE(DEBUG_UART),
91#endif
92 {
93 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
94 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
95 .length = MSM_SHARED_RAM_SIZE,
96 .type = MT_DEVICE,
97 },
98};
99
100void __init msm_map_qsd8x50_io(void)
101{
102 iotable_init(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc));
103}
104#endif /* CONFIG_ARCH_QSD8X50 */
Brian Swetland30421022007-11-26 04:11:43 -0800105
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800106#ifdef CONFIG_ARCH_MSM8X60
107static struct map_desc msm8x60_io_desc[] __initdata = {
David Brown8bb06442011-01-04 11:02:59 -0800108 MSM_CHIP_DEVICE(QGIC_DIST, MSM8X60),
109 MSM_CHIP_DEVICE(QGIC_CPU, MSM8X60),
David Brown8c27e6f2011-01-07 10:20:49 -0800110 MSM_CHIP_DEVICE(TMR, MSM8X60),
111 MSM_CHIP_DEVICE(TMR0, MSM8X60),
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800112 MSM_DEVICE(ACC),
113 MSM_DEVICE(GCC),
Stephen Boyda3d3ef92011-11-08 10:33:04 -0800114#ifdef CONFIG_DEBUG_MSM8660_UART
115 MSM_DEVICE(DEBUG_UART),
116#endif
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800117};
118
119void __init msm_map_msm8x60_io(void)
120{
121 iotable_init(msm8x60_io_desc, ARRAY_SIZE(msm8x60_io_desc));
122}
123#endif /* CONFIG_ARCH_MSM8X60 */
124
Stepan Moskovchenko5d0afd72010-12-01 19:05:49 -0800125#ifdef CONFIG_ARCH_MSM8960
126static struct map_desc msm8960_io_desc[] __initdata = {
127 MSM_CHIP_DEVICE(QGIC_DIST, MSM8960),
128 MSM_CHIP_DEVICE(QGIC_CPU, MSM8960),
129 MSM_CHIP_DEVICE(TMR, MSM8960),
130 MSM_CHIP_DEVICE(TMR0, MSM8960),
Stephen Boyda3d3ef92011-11-08 10:33:04 -0800131#ifdef CONFIG_DEBUG_MSM8960_UART
132 MSM_DEVICE(DEBUG_UART),
133#endif
Stepan Moskovchenko5d0afd72010-12-01 19:05:49 -0800134};
135
136void __init msm_map_msm8960_io(void)
137{
138 iotable_init(msm8960_io_desc, ARRAY_SIZE(msm8960_io_desc));
139}
140#endif /* CONFIG_ARCH_MSM8960 */
141
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700142#ifdef CONFIG_ARCH_MSM7X30
143static struct map_desc msm7x30_io_desc[] __initdata = {
144 MSM_DEVICE(VIC),
David Brown8c27e6f2011-01-07 10:20:49 -0800145 MSM_CHIP_DEVICE(CSR, MSM7X30),
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700146 MSM_DEVICE(DMOV),
David Brown03db0722011-05-12 00:54:36 -0700147 MSM_CHIP_DEVICE(GPIO1, MSM7X30),
148 MSM_CHIP_DEVICE(GPIO2, MSM7X30),
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700149 MSM_DEVICE(CLK_CTL),
150 MSM_DEVICE(CLK_CTL_SH2),
151 MSM_DEVICE(AD5),
152 MSM_DEVICE(MDC),
153 MSM_DEVICE(ACC),
154 MSM_DEVICE(SAW),
155 MSM_DEVICE(GCC),
156 MSM_DEVICE(TCSR),
Stephen Boyd650e3f02011-11-08 10:33:03 -0800157#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
158 defined(CONFIG_DEBUG_MSM_UART3)
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700159 MSM_DEVICE(DEBUG_UART),
160#endif
161 {
162 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
163 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
164 .length = MSM_SHARED_RAM_SIZE,
165 .type = MT_DEVICE,
166 },
167};
168
169void __init msm_map_msm7x30_io(void)
170{
171 iotable_init(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc));
172}
173#endif /* CONFIG_ARCH_MSM7X30 */
174
Rob Herringb12e9ba2012-02-13 13:27:24 -0600175void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size,
176 unsigned int mtype, void *caller)
Brian Swetland30421022007-11-26 04:11:43 -0800177{
178 if (mtype == MT_DEVICE) {
179 /* The peripherals in the 88000000 - D0000000 range
Uwe Kleine-Königb5950762010-11-01 15:38:34 -0400180 * are only accessible by type MT_DEVICE_NONSHARED.
Brian Swetland30421022007-11-26 04:11:43 -0800181 * Adjust mtype as necessary to make this "just work."
182 */
183 if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000))
184 mtype = MT_DEVICE_NONSHARED;
185 }
186
Rob Herringb12e9ba2012-02-13 13:27:24 -0600187 return __arm_ioremap_caller(phys_addr, size, mtype, caller);
Brian Swetland30421022007-11-26 04:11:43 -0800188}