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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
Rohit Vaswani90eb3852012-09-07 13:05:56 -070032#define MSM_CHIP_DEVICE_TYPE(name, chip, mem_type) { \
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, \
Rohit Vaswani90eb3852012-09-07 13:05:56 -070036 .type = mem_type, \
Brian Swetland30421022007-11-26 04:11:43 -080037 }
38
Rohit Vaswani90eb3852012-09-07 13:05:56 -070039#define MSM_DEVICE_TYPE(name, mem_type) \
40 MSM_CHIP_DEVICE_TYPE(name, MSM, mem_type)
41#define MSM_CHIP_DEVICE(name, chip) \
42 MSM_CHIP_DEVICE_TYPE(name, chip, MT_DEVICE)
David Brown8c27e6f2011-01-07 10:20:49 -080043#define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM)
44
Daniel Walkercf62ffa2010-05-04 15:12:27 -070045#if defined(CONFIG_ARCH_MSM7X00A) || defined(CONFIG_ARCH_MSM7X27) \
46 || defined(CONFIG_ARCH_MSM7X25)
Brian Swetland30421022007-11-26 04:11:43 -080047static struct map_desc msm_io_desc[] __initdata = {
Rohit Vaswani90eb3852012-09-07 13:05:56 -070048 MSM_DEVICE_TYPE(VIC, MT_DEVICE_NONSHARED),
49 MSM_CHIP_DEVICE_TYPE(CSR, MSM7X00, MT_DEVICE_NONSHARED),
50 MSM_DEVICE_TYPE(DMOV, MT_DEVICE_NONSHARED),
51 MSM_CHIP_DEVICE_TYPE(GPIO1, MSM7X00, MT_DEVICE_NONSHARED),
52 MSM_CHIP_DEVICE_TYPE(GPIO2, MSM7X00, MT_DEVICE_NONSHARED),
53 MSM_DEVICE_TYPE(CLK_CTL, MT_DEVICE_NONSHARED),
Stephen Boyd650e3f02011-11-08 10:33:03 -080054#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
55 defined(CONFIG_DEBUG_MSM_UART3)
Rohit Vaswani90eb3852012-09-07 13:05:56 -070056 MSM_DEVICE_TYPE(DEBUG_UART, MT_DEVICE_NONSHARED),
Pavel Machek6339f662009-11-02 11:48:29 +010057#endif
Brian Swetland30421022007-11-26 04:11:43 -080058 {
Brian Swetlandbcc0f6a2008-09-10 14:00:53 -070059 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
Daniel Walkercf62ffa2010-05-04 15:12:27 -070060 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
Brian Swetland30421022007-11-26 04:11:43 -080061 .length = MSM_SHARED_RAM_SIZE,
62 .type = MT_DEVICE,
63 },
64};
65
66void __init msm_map_common_io(void)
67{
68 /* Make sure the peripheral register window is closed, since
69 * we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which
70 * pages are peripheral interface or not.
71 */
72 asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
Brian Swetland30421022007-11-26 04:11:43 -080073 iotable_init(msm_io_desc, ARRAY_SIZE(msm_io_desc));
74}
Daniel Walkercf62ffa2010-05-04 15:12:27 -070075#endif
76
77#ifdef CONFIG_ARCH_QSD8X50
78static struct map_desc qsd8x50_io_desc[] __initdata = {
79 MSM_DEVICE(VIC),
David Brown8c27e6f2011-01-07 10:20:49 -080080 MSM_CHIP_DEVICE(CSR, QSD8X50),
Daniel Walkercf62ffa2010-05-04 15:12:27 -070081 MSM_DEVICE(DMOV),
David Brown03db0722011-05-12 00:54:36 -070082 MSM_CHIP_DEVICE(GPIO1, QSD8X50),
83 MSM_CHIP_DEVICE(GPIO2, QSD8X50),
Daniel Walkercf62ffa2010-05-04 15:12:27 -070084 MSM_DEVICE(CLK_CTL),
85 MSM_DEVICE(SIRC),
86 MSM_DEVICE(SCPLL),
87 MSM_DEVICE(AD5),
88 MSM_DEVICE(MDC),
Stephen Boyd650e3f02011-11-08 10:33:03 -080089#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
90 defined(CONFIG_DEBUG_MSM_UART3)
Daniel Walkercf62ffa2010-05-04 15:12:27 -070091 MSM_DEVICE(DEBUG_UART),
92#endif
93 {
94 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
95 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
96 .length = MSM_SHARED_RAM_SIZE,
97 .type = MT_DEVICE,
98 },
99};
100
101void __init msm_map_qsd8x50_io(void)
102{
103 iotable_init(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc));
104}
105#endif /* CONFIG_ARCH_QSD8X50 */
Brian Swetland30421022007-11-26 04:11:43 -0800106
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800107#ifdef CONFIG_ARCH_MSM8X60
108static struct map_desc msm8x60_io_desc[] __initdata = {
David Brown8bb06442011-01-04 11:02:59 -0800109 MSM_CHIP_DEVICE(QGIC_DIST, MSM8X60),
110 MSM_CHIP_DEVICE(QGIC_CPU, MSM8X60),
David Brown8c27e6f2011-01-07 10:20:49 -0800111 MSM_CHIP_DEVICE(TMR, MSM8X60),
112 MSM_CHIP_DEVICE(TMR0, MSM8X60),
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800113 MSM_DEVICE(ACC),
114 MSM_DEVICE(GCC),
Stephen Boyda3d3ef92011-11-08 10:33:04 -0800115#ifdef CONFIG_DEBUG_MSM8660_UART
116 MSM_DEVICE(DEBUG_UART),
117#endif
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800118};
119
120void __init msm_map_msm8x60_io(void)
121{
122 iotable_init(msm8x60_io_desc, ARRAY_SIZE(msm8x60_io_desc));
123}
124#endif /* CONFIG_ARCH_MSM8X60 */
125
Stepan Moskovchenko5d0afd72010-12-01 19:05:49 -0800126#ifdef CONFIG_ARCH_MSM8960
127static struct map_desc msm8960_io_desc[] __initdata = {
128 MSM_CHIP_DEVICE(QGIC_DIST, MSM8960),
129 MSM_CHIP_DEVICE(QGIC_CPU, MSM8960),
130 MSM_CHIP_DEVICE(TMR, MSM8960),
131 MSM_CHIP_DEVICE(TMR0, MSM8960),
Stephen Boyda3d3ef92011-11-08 10:33:04 -0800132#ifdef CONFIG_DEBUG_MSM8960_UART
133 MSM_DEVICE(DEBUG_UART),
134#endif
Stepan Moskovchenko5d0afd72010-12-01 19:05:49 -0800135};
136
137void __init msm_map_msm8960_io(void)
138{
139 iotable_init(msm8960_io_desc, ARRAY_SIZE(msm8960_io_desc));
140}
141#endif /* CONFIG_ARCH_MSM8960 */
142
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700143#ifdef CONFIG_ARCH_MSM7X30
144static struct map_desc msm7x30_io_desc[] __initdata = {
145 MSM_DEVICE(VIC),
David Brown8c27e6f2011-01-07 10:20:49 -0800146 MSM_CHIP_DEVICE(CSR, MSM7X30),
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700147 MSM_DEVICE(DMOV),
David Brown03db0722011-05-12 00:54:36 -0700148 MSM_CHIP_DEVICE(GPIO1, MSM7X30),
149 MSM_CHIP_DEVICE(GPIO2, MSM7X30),
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700150 MSM_DEVICE(CLK_CTL),
151 MSM_DEVICE(CLK_CTL_SH2),
152 MSM_DEVICE(AD5),
153 MSM_DEVICE(MDC),
154 MSM_DEVICE(ACC),
155 MSM_DEVICE(SAW),
156 MSM_DEVICE(GCC),
157 MSM_DEVICE(TCSR),
Stephen Boyd650e3f02011-11-08 10:33:03 -0800158#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
159 defined(CONFIG_DEBUG_MSM_UART3)
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700160 MSM_DEVICE(DEBUG_UART),
161#endif
162 {
163 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
164 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
165 .length = MSM_SHARED_RAM_SIZE,
166 .type = MT_DEVICE,
167 },
168};
169
170void __init msm_map_msm7x30_io(void)
171{
172 iotable_init(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc));
173}
174#endif /* CONFIG_ARCH_MSM7X30 */
175
Rob Herringb12e9ba2012-02-13 13:27:24 -0600176void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size,
177 unsigned int mtype, void *caller)
Brian Swetland30421022007-11-26 04:11:43 -0800178{
179 if (mtype == MT_DEVICE) {
180 /* The peripherals in the 88000000 - D0000000 range
Uwe Kleine-Königb5950762010-11-01 15:38:34 -0400181 * are only accessible by type MT_DEVICE_NONSHARED.
Brian Swetland30421022007-11-26 04:11:43 -0800182 * Adjust mtype as necessary to make this "just work."
183 */
184 if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000))
185 mtype = MT_DEVICE_NONSHARED;
186 }
187
Rob Herringb12e9ba2012-02-13 13:27:24 -0600188 return __arm_ioremap_caller(phys_addr, size, mtype, caller);
Brian Swetland30421022007-11-26 04:11:43 -0800189}