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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
Brian Swetland30421022007-11-26 04:11:43 -080054 {
Brian Swetlandbcc0f6a2008-09-10 14:00:53 -070055 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
Daniel Walkercf62ffa2010-05-04 15:12:27 -070056 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
Brian Swetland30421022007-11-26 04:11:43 -080057 .length = MSM_SHARED_RAM_SIZE,
58 .type = MT_DEVICE,
59 },
60};
61
62void __init msm_map_common_io(void)
63{
64 /* Make sure the peripheral register window is closed, since
65 * we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which
66 * pages are peripheral interface or not.
67 */
68 asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
Brian Swetland30421022007-11-26 04:11:43 -080069 iotable_init(msm_io_desc, ARRAY_SIZE(msm_io_desc));
70}
Daniel Walkercf62ffa2010-05-04 15:12:27 -070071#endif
72
73#ifdef CONFIG_ARCH_QSD8X50
74static struct map_desc qsd8x50_io_desc[] __initdata = {
75 MSM_DEVICE(VIC),
David Brown8c27e6f2011-01-07 10:20:49 -080076 MSM_CHIP_DEVICE(CSR, QSD8X50),
Daniel Walkercf62ffa2010-05-04 15:12:27 -070077 MSM_DEVICE(DMOV),
David Brown03db0722011-05-12 00:54:36 -070078 MSM_CHIP_DEVICE(GPIO1, QSD8X50),
79 MSM_CHIP_DEVICE(GPIO2, QSD8X50),
Daniel Walkercf62ffa2010-05-04 15:12:27 -070080 MSM_DEVICE(CLK_CTL),
81 MSM_DEVICE(SIRC),
82 MSM_DEVICE(SCPLL),
83 MSM_DEVICE(AD5),
84 MSM_DEVICE(MDC),
Stephen Boyd650e3f02011-11-08 10:33:03 -080085#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
86 defined(CONFIG_DEBUG_MSM_UART3)
Daniel Walkercf62ffa2010-05-04 15:12:27 -070087 MSM_DEVICE(DEBUG_UART),
88#endif
89 {
90 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
91 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
92 .length = MSM_SHARED_RAM_SIZE,
93 .type = MT_DEVICE,
94 },
95};
96
97void __init msm_map_qsd8x50_io(void)
98{
99 iotable_init(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc));
100}
101#endif /* CONFIG_ARCH_QSD8X50 */
Brian Swetland30421022007-11-26 04:11:43 -0800102
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800103#ifdef CONFIG_ARCH_MSM8X60
104static struct map_desc msm8x60_io_desc[] __initdata = {
David Brown8bb06442011-01-04 11:02:59 -0800105 MSM_CHIP_DEVICE(QGIC_DIST, MSM8X60),
106 MSM_CHIP_DEVICE(QGIC_CPU, MSM8X60),
David Brown8c27e6f2011-01-07 10:20:49 -0800107 MSM_CHIP_DEVICE(TMR, MSM8X60),
108 MSM_CHIP_DEVICE(TMR0, MSM8X60),
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800109 MSM_DEVICE(ACC),
110 MSM_DEVICE(GCC),
Stephen Boyda3d3ef92011-11-08 10:33:04 -0800111#ifdef CONFIG_DEBUG_MSM8660_UART
112 MSM_DEVICE(DEBUG_UART),
113#endif
Steve Muckle6cf6dfe2010-01-06 14:55:24 -0800114};
115
116void __init msm_map_msm8x60_io(void)
117{
118 iotable_init(msm8x60_io_desc, ARRAY_SIZE(msm8x60_io_desc));
119}
120#endif /* CONFIG_ARCH_MSM8X60 */
121
Stepan Moskovchenko5d0afd72010-12-01 19:05:49 -0800122#ifdef CONFIG_ARCH_MSM8960
123static struct map_desc msm8960_io_desc[] __initdata = {
124 MSM_CHIP_DEVICE(QGIC_DIST, MSM8960),
125 MSM_CHIP_DEVICE(QGIC_CPU, MSM8960),
126 MSM_CHIP_DEVICE(TMR, MSM8960),
127 MSM_CHIP_DEVICE(TMR0, MSM8960),
Stephen Boyda3d3ef92011-11-08 10:33:04 -0800128#ifdef CONFIG_DEBUG_MSM8960_UART
129 MSM_DEVICE(DEBUG_UART),
130#endif
Stepan Moskovchenko5d0afd72010-12-01 19:05:49 -0800131};
132
133void __init msm_map_msm8960_io(void)
134{
135 iotable_init(msm8960_io_desc, ARRAY_SIZE(msm8960_io_desc));
136}
137#endif /* CONFIG_ARCH_MSM8960 */
138
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700139#ifdef CONFIG_ARCH_MSM7X30
140static struct map_desc msm7x30_io_desc[] __initdata = {
141 MSM_DEVICE(VIC),
David Brown8c27e6f2011-01-07 10:20:49 -0800142 MSM_CHIP_DEVICE(CSR, MSM7X30),
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700143 MSM_DEVICE(DMOV),
David Brown03db0722011-05-12 00:54:36 -0700144 MSM_CHIP_DEVICE(GPIO1, MSM7X30),
145 MSM_CHIP_DEVICE(GPIO2, MSM7X30),
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700146 MSM_DEVICE(CLK_CTL),
147 MSM_DEVICE(CLK_CTL_SH2),
148 MSM_DEVICE(AD5),
149 MSM_DEVICE(MDC),
150 MSM_DEVICE(ACC),
151 MSM_DEVICE(SAW),
152 MSM_DEVICE(GCC),
153 MSM_DEVICE(TCSR),
Stephen Boyd650e3f02011-11-08 10:33:03 -0800154#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
155 defined(CONFIG_DEBUG_MSM_UART3)
Daniel Walkerc83b2bf2010-05-04 15:26:13 -0700156 MSM_DEVICE(DEBUG_UART),
157#endif
158 {
159 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
160 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
161 .length = MSM_SHARED_RAM_SIZE,
162 .type = MT_DEVICE,
163 },
164};
165
166void __init msm_map_msm7x30_io(void)
167{
168 iotable_init(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc));
169}
170#endif /* CONFIG_ARCH_MSM7X30 */
171
Rob Herringb12e9ba2012-02-13 13:27:24 -0600172void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size,
173 unsigned int mtype, void *caller)
Brian Swetland30421022007-11-26 04:11:43 -0800174{
175 if (mtype == MT_DEVICE) {
176 /* The peripherals in the 88000000 - D0000000 range
Uwe Kleine-Königb5950762010-11-01 15:38:34 -0400177 * are only accessible by type MT_DEVICE_NONSHARED.
Brian Swetland30421022007-11-26 04:11:43 -0800178 * Adjust mtype as necessary to make this "just work."
179 */
180 if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000))
181 mtype = MT_DEVICE_NONSHARED;
182 }
183
Rob Herringb12e9ba2012-02-13 13:27:24 -0600184 return __arm_ioremap_caller(phys_addr, size, mtype, caller);
Brian Swetland30421022007-11-26 04:11:43 -0800185}