1 /* arch/arm/mach-msm/io.c
3 * MSM7K, QSD io support
5 * Copyright (C) 2007 Google, Inc.
6 * Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved.
7 * Author: Brian Swetland <swetland@google.com>
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.
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.
20 #include <linux/kernel.h>
21 #include <linux/init.h>
23 #include <linux/export.h>
25 #include <mach/hardware.h>
27 #include <mach/msm_iomap.h>
28 #include <asm/mach/map.h>
30 #include <mach/board.h>
34 #define MSM_CHIP_DEVICE_TYPE(name, chip, mem_type) { \
35 .virtual = (unsigned long) MSM_##name##_BASE, \
36 .pfn = __phys_to_pfn(chip##_##name##_PHYS), \
37 .length = chip##_##name##_SIZE, \
41 #define MSM_DEVICE_TYPE(name, mem_type) \
42 MSM_CHIP_DEVICE_TYPE(name, MSM, mem_type)
43 #define MSM_CHIP_DEVICE(name, chip) \
44 MSM_CHIP_DEVICE_TYPE(name, chip, MT_DEVICE)
45 #define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM)
47 #if defined(CONFIG_ARCH_MSM7X00A)
48 static struct map_desc msm_io_desc[] __initdata = {
49 MSM_DEVICE_TYPE(VIC, MT_DEVICE_NONSHARED),
50 MSM_CHIP_DEVICE_TYPE(CSR, MSM7X00, MT_DEVICE_NONSHARED),
51 MSM_DEVICE_TYPE(DMOV, MT_DEVICE_NONSHARED),
52 MSM_CHIP_DEVICE_TYPE(GPIO1, MSM7X00, MT_DEVICE_NONSHARED),
53 MSM_CHIP_DEVICE_TYPE(GPIO2, MSM7X00, MT_DEVICE_NONSHARED),
54 MSM_DEVICE_TYPE(CLK_CTL, MT_DEVICE_NONSHARED),
56 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
57 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
58 .length = MSM_SHARED_RAM_SIZE,
61 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
62 defined(CONFIG_DEBUG_MSM_UART3)
64 /* Must be last: virtual and pfn filled in by debug_ll_addr() */
66 .type = MT_DEVICE_NONSHARED,
71 void __init msm_map_common_io(void)
73 size_t size = ARRAY_SIZE(msm_io_desc);
75 /* Make sure the peripheral register window is closed, since
76 * we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which
77 * pages are peripheral interface or not.
79 asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
80 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
81 defined(CONFIG_DEBUG_MSM_UART3)
82 debug_ll_addr(&msm_io_desc[size - 1].pfn,
83 &msm_io_desc[size - 1].virtual);
84 msm_io_desc[size - 1].pfn = __phys_to_pfn(msm_io_desc[size - 1].pfn);
86 iotable_init(msm_io_desc, size);
90 #ifdef CONFIG_ARCH_QSD8X50
91 static struct map_desc qsd8x50_io_desc[] __initdata = {
93 MSM_CHIP_DEVICE(CSR, QSD8X50),
95 MSM_CHIP_DEVICE(GPIO1, QSD8X50),
96 MSM_CHIP_DEVICE(GPIO2, QSD8X50),
103 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
104 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
105 .length = MSM_SHARED_RAM_SIZE,
110 void __init msm_map_qsd8x50_io(void)
113 iotable_init(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc));
115 #endif /* CONFIG_ARCH_QSD8X50 */
117 #ifdef CONFIG_ARCH_MSM8X60
118 static struct map_desc msm8x60_io_desc[] __initdata = {
119 MSM_CHIP_DEVICE(TMR, MSM8X60),
120 MSM_CHIP_DEVICE(TMR0, MSM8X60),
123 void __init msm_map_msm8x60_io(void)
126 iotable_init(msm8x60_io_desc, ARRAY_SIZE(msm8x60_io_desc));
128 #endif /* CONFIG_ARCH_MSM8X60 */
130 #ifdef CONFIG_ARCH_MSM8960
131 static struct map_desc msm8960_io_desc[] __initdata = {
132 MSM_CHIP_DEVICE(TMR, MSM8960),
133 MSM_CHIP_DEVICE(TMR0, MSM8960),
136 void __init msm_map_msm8960_io(void)
139 iotable_init(msm8960_io_desc, ARRAY_SIZE(msm8960_io_desc));
141 #endif /* CONFIG_ARCH_MSM8960 */
143 #ifdef CONFIG_ARCH_MSM7X30
144 static struct map_desc msm7x30_io_desc[] __initdata = {
146 MSM_CHIP_DEVICE(CSR, MSM7X30),
148 MSM_CHIP_DEVICE(GPIO1, MSM7X30),
149 MSM_CHIP_DEVICE(GPIO2, MSM7X30),
151 MSM_DEVICE(CLK_CTL_SH2),
159 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
160 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
161 .length = MSM_SHARED_RAM_SIZE,
166 void __init msm_map_msm7x30_io(void)
169 iotable_init(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc));
171 #endif /* CONFIG_ARCH_MSM7X30 */
173 #ifdef CONFIG_ARCH_MSM7X00A
174 void __iomem *__msm_ioremap_caller(phys_addr_t phys_addr, size_t size,
175 unsigned int mtype, void *caller)
177 if (mtype == MT_DEVICE) {
178 /* The peripherals in the 88000000 - D0000000 range
179 * are only accessible by type MT_DEVICE_NONSHARED.
180 * Adjust mtype as necessary to make this "just work."
182 if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000))
183 mtype = MT_DEVICE_NONSHARED;
186 return __arm_ioremap_caller(phys_addr, size, mtype, caller);