x86/efi: Enforce CONFIG_RELOCATABLE for EFI boot stub
[linux/fpc-iii.git] / arch / arm / mach-msm / io.c
blobadc8971c726640444d3fa7e14decd81ccac4d750
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/bug.h>
22 #include <linux/init.h>
23 #include <linux/io.h>
24 #include <linux/export.h>
26 #include <mach/hardware.h>
27 #include <asm/page.h>
28 #include <mach/msm_iomap.h>
29 #include <asm/mach/map.h>
31 #include "common.h"
33 #define MSM_CHIP_DEVICE_TYPE(name, chip, mem_type) { \
34 .virtual = (unsigned long) MSM_##name##_BASE, \
35 .pfn = __phys_to_pfn(chip##_##name##_PHYS), \
36 .length = chip##_##name##_SIZE, \
37 .type = mem_type, \
40 #define MSM_DEVICE_TYPE(name, mem_type) \
41 MSM_CHIP_DEVICE_TYPE(name, MSM, mem_type)
42 #define MSM_CHIP_DEVICE(name, chip) \
43 MSM_CHIP_DEVICE_TYPE(name, chip, MT_DEVICE)
44 #define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM)
46 #if defined(CONFIG_ARCH_MSM7X00A)
47 static struct map_desc msm_io_desc[] __initdata = {
48 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),
55 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
56 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
57 .length = MSM_SHARED_RAM_SIZE,
58 .type = MT_DEVICE,
60 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
61 defined(CONFIG_DEBUG_MSM_UART3)
63 /* Must be last: virtual and pfn filled in by debug_ll_addr() */
64 .length = SZ_4K,
65 .type = MT_DEVICE_NONSHARED,
67 #endif
70 void __init msm_map_common_io(void)
72 size_t size = ARRAY_SIZE(msm_io_desc);
74 /* Make sure the peripheral register window is closed, since
75 * we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which
76 * pages are peripheral interface or not.
78 asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
79 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
80 defined(CONFIG_DEBUG_MSM_UART3)
81 debug_ll_addr(&msm_io_desc[size - 1].pfn,
82 &msm_io_desc[size - 1].virtual);
83 msm_io_desc[size - 1].pfn = __phys_to_pfn(msm_io_desc[size - 1].pfn);
84 #endif
85 iotable_init(msm_io_desc, size);
87 #endif
89 #ifdef CONFIG_ARCH_QSD8X50
90 static struct map_desc qsd8x50_io_desc[] __initdata = {
91 MSM_DEVICE(VIC),
92 MSM_CHIP_DEVICE(CSR, QSD8X50),
93 MSM_DEVICE(DMOV),
94 MSM_CHIP_DEVICE(GPIO1, QSD8X50),
95 MSM_CHIP_DEVICE(GPIO2, QSD8X50),
96 MSM_DEVICE(CLK_CTL),
97 MSM_DEVICE(SIRC),
98 MSM_DEVICE(SCPLL),
99 MSM_DEVICE(AD5),
100 MSM_DEVICE(MDC),
102 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
103 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
104 .length = MSM_SHARED_RAM_SIZE,
105 .type = MT_DEVICE,
109 void __init msm_map_qsd8x50_io(void)
111 debug_ll_io_init();
112 iotable_init(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc));
114 #endif /* CONFIG_ARCH_QSD8X50 */
116 #ifdef CONFIG_ARCH_MSM7X30
117 static struct map_desc msm7x30_io_desc[] __initdata = {
118 MSM_DEVICE(VIC),
119 MSM_CHIP_DEVICE(CSR, MSM7X30),
120 MSM_DEVICE(DMOV),
121 MSM_CHIP_DEVICE(GPIO1, MSM7X30),
122 MSM_CHIP_DEVICE(GPIO2, MSM7X30),
123 MSM_DEVICE(CLK_CTL),
124 MSM_DEVICE(CLK_CTL_SH2),
125 MSM_DEVICE(AD5),
126 MSM_DEVICE(MDC),
127 MSM_DEVICE(ACC),
128 MSM_DEVICE(SAW),
129 MSM_DEVICE(GCC),
130 MSM_DEVICE(TCSR),
132 .virtual = (unsigned long) MSM_SHARED_RAM_BASE,
133 .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
134 .length = MSM_SHARED_RAM_SIZE,
135 .type = MT_DEVICE,
139 void __init msm_map_msm7x30_io(void)
141 debug_ll_io_init();
142 iotable_init(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc));
144 #endif /* CONFIG_ARCH_MSM7X30 */
146 #ifdef CONFIG_ARCH_MSM7X00A
147 void __iomem *__msm_ioremap_caller(phys_addr_t phys_addr, size_t size,
148 unsigned int mtype, void *caller)
150 if (mtype == MT_DEVICE) {
151 /* The peripherals in the 88000000 - D0000000 range
152 * are only accessible by type MT_DEVICE_NONSHARED.
153 * Adjust mtype as necessary to make this "just work."
155 if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000))
156 mtype = MT_DEVICE_NONSHARED;
159 return __arm_ioremap_caller(phys_addr, size, mtype, caller);
161 #endif