Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 1 | /* arch/arm/mach-msm/io.c |
| 2 | * |
Daniel Walker | cf62ffa | 2010-05-04 15:12:27 -0700 | [diff] [blame] | 3 | * MSM7K, QSD io support |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 4 | * |
| 5 | * Copyright (C) 2007 Google, Inc. |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 6 | * Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved. |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 7 | * 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 King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 22 | #include <linux/io.h> |
Paul Gortmaker | dc28094 | 2011-07-31 16:17:29 -0400 | [diff] [blame] | 23 | #include <linux/export.h> |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 24 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 25 | #include <mach/hardware.h> |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 26 | #include <asm/page.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 27 | #include <mach/msm_iomap.h> |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 28 | #include <asm/mach/map.h> |
| 29 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/board.h> |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 31 | |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 32 | #define MSM_CHIP_DEVICE(name, chip) { \ |
Brian Swetland | bcc0f6a | 2008-09-10 14:00:53 -0700 | [diff] [blame] | 33 | .virtual = (unsigned long) MSM_##name##_BASE, \ |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 34 | .pfn = __phys_to_pfn(chip##_##name##_PHYS), \ |
| 35 | .length = chip##_##name##_SIZE, \ |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 36 | .type = MT_DEVICE_NONSHARED, \ |
| 37 | } |
| 38 | |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 39 | #define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM) |
| 40 | |
Daniel Walker | cf62ffa | 2010-05-04 15:12:27 -0700 | [diff] [blame] | 41 | #if defined(CONFIG_ARCH_MSM7X00A) || defined(CONFIG_ARCH_MSM7X27) \ |
| 42 | || defined(CONFIG_ARCH_MSM7X25) |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 43 | static struct map_desc msm_io_desc[] __initdata = { |
| 44 | MSM_DEVICE(VIC), |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 45 | MSM_CHIP_DEVICE(CSR, MSM7X00), |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 46 | MSM_DEVICE(DMOV), |
David Brown | 03db072 | 2011-05-12 00:54:36 -0700 | [diff] [blame] | 47 | MSM_CHIP_DEVICE(GPIO1, MSM7X00), |
| 48 | MSM_CHIP_DEVICE(GPIO2, MSM7X00), |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 49 | MSM_DEVICE(CLK_CTL), |
Stephen Boyd | 650e3f0 | 2011-11-08 10:33:03 -0800 | [diff] [blame] | 50 | #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \ |
| 51 | defined(CONFIG_DEBUG_MSM_UART3) |
Pavel Machek | 6339f66 | 2009-11-02 11:48:29 +0100 | [diff] [blame] | 52 | MSM_DEVICE(DEBUG_UART), |
| 53 | #endif |
Dima Zavin | b42dc44 | 2010-01-29 11:43:42 -0800 | [diff] [blame] | 54 | #ifdef CONFIG_ARCH_MSM7X30 |
| 55 | MSM_DEVICE(GCC), |
| 56 | #endif |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 57 | { |
Brian Swetland | bcc0f6a | 2008-09-10 14:00:53 -0700 | [diff] [blame] | 58 | .virtual = (unsigned long) MSM_SHARED_RAM_BASE, |
Daniel Walker | cf62ffa | 2010-05-04 15:12:27 -0700 | [diff] [blame] | 59 | .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS), |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 60 | .length = MSM_SHARED_RAM_SIZE, |
| 61 | .type = MT_DEVICE, |
| 62 | }, |
| 63 | }; |
| 64 | |
| 65 | void __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 Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 72 | iotable_init(msm_io_desc, ARRAY_SIZE(msm_io_desc)); |
| 73 | } |
Daniel Walker | cf62ffa | 2010-05-04 15:12:27 -0700 | [diff] [blame] | 74 | #endif |
| 75 | |
| 76 | #ifdef CONFIG_ARCH_QSD8X50 |
| 77 | static struct map_desc qsd8x50_io_desc[] __initdata = { |
| 78 | MSM_DEVICE(VIC), |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 79 | MSM_CHIP_DEVICE(CSR, QSD8X50), |
Daniel Walker | cf62ffa | 2010-05-04 15:12:27 -0700 | [diff] [blame] | 80 | MSM_DEVICE(DMOV), |
David Brown | 03db072 | 2011-05-12 00:54:36 -0700 | [diff] [blame] | 81 | MSM_CHIP_DEVICE(GPIO1, QSD8X50), |
| 82 | MSM_CHIP_DEVICE(GPIO2, QSD8X50), |
Daniel Walker | cf62ffa | 2010-05-04 15:12:27 -0700 | [diff] [blame] | 83 | MSM_DEVICE(CLK_CTL), |
| 84 | MSM_DEVICE(SIRC), |
| 85 | MSM_DEVICE(SCPLL), |
| 86 | MSM_DEVICE(AD5), |
| 87 | MSM_DEVICE(MDC), |
Stephen Boyd | 650e3f0 | 2011-11-08 10:33:03 -0800 | [diff] [blame] | 88 | #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \ |
| 89 | defined(CONFIG_DEBUG_MSM_UART3) |
Daniel Walker | cf62ffa | 2010-05-04 15:12:27 -0700 | [diff] [blame] | 90 | 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 | |
| 100 | void __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 Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 105 | |
Steve Muckle | 6cf6dfe | 2010-01-06 14:55:24 -0800 | [diff] [blame] | 106 | #ifdef CONFIG_ARCH_MSM8X60 |
| 107 | static struct map_desc msm8x60_io_desc[] __initdata = { |
David Brown | 8bb0644 | 2011-01-04 11:02:59 -0800 | [diff] [blame] | 108 | MSM_CHIP_DEVICE(QGIC_DIST, MSM8X60), |
| 109 | MSM_CHIP_DEVICE(QGIC_CPU, MSM8X60), |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 110 | MSM_CHIP_DEVICE(TMR, MSM8X60), |
| 111 | MSM_CHIP_DEVICE(TMR0, MSM8X60), |
Steve Muckle | 6cf6dfe | 2010-01-06 14:55:24 -0800 | [diff] [blame] | 112 | MSM_DEVICE(ACC), |
| 113 | MSM_DEVICE(GCC), |
Stephen Boyd | a3d3ef9 | 2011-11-08 10:33:04 -0800 | [diff] [blame] | 114 | #ifdef CONFIG_DEBUG_MSM8660_UART |
| 115 | MSM_DEVICE(DEBUG_UART), |
| 116 | #endif |
Steve Muckle | 6cf6dfe | 2010-01-06 14:55:24 -0800 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | void __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 Moskovchenko | 5d0afd7 | 2010-12-01 19:05:49 -0800 | [diff] [blame] | 125 | #ifdef CONFIG_ARCH_MSM8960 |
| 126 | static 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 Boyd | a3d3ef9 | 2011-11-08 10:33:04 -0800 | [diff] [blame] | 131 | #ifdef CONFIG_DEBUG_MSM8960_UART |
| 132 | MSM_DEVICE(DEBUG_UART), |
| 133 | #endif |
Stepan Moskovchenko | 5d0afd7 | 2010-12-01 19:05:49 -0800 | [diff] [blame] | 134 | }; |
| 135 | |
| 136 | void __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 Walker | c83b2bf | 2010-05-04 15:26:13 -0700 | [diff] [blame] | 142 | #ifdef CONFIG_ARCH_MSM7X30 |
| 143 | static struct map_desc msm7x30_io_desc[] __initdata = { |
| 144 | MSM_DEVICE(VIC), |
David Brown | 8c27e6f | 2011-01-07 10:20:49 -0800 | [diff] [blame] | 145 | MSM_CHIP_DEVICE(CSR, MSM7X30), |
Daniel Walker | c83b2bf | 2010-05-04 15:26:13 -0700 | [diff] [blame] | 146 | MSM_DEVICE(DMOV), |
David Brown | 03db072 | 2011-05-12 00:54:36 -0700 | [diff] [blame] | 147 | MSM_CHIP_DEVICE(GPIO1, MSM7X30), |
| 148 | MSM_CHIP_DEVICE(GPIO2, MSM7X30), |
Daniel Walker | c83b2bf | 2010-05-04 15:26:13 -0700 | [diff] [blame] | 149 | 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 Boyd | 650e3f0 | 2011-11-08 10:33:03 -0800 | [diff] [blame] | 157 | #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \ |
| 158 | defined(CONFIG_DEBUG_MSM_UART3) |
Daniel Walker | c83b2bf | 2010-05-04 15:26:13 -0700 | [diff] [blame] | 159 | 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 | |
| 169 | void __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 Herring | b12e9ba | 2012-02-13 13:27:24 -0600 | [diff] [blame] | 175 | void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size, |
| 176 | unsigned int mtype, void *caller) |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 177 | { |
| 178 | if (mtype == MT_DEVICE) { |
| 179 | /* The peripherals in the 88000000 - D0000000 range |
Uwe Kleine-König | b595076 | 2010-11-01 15:38:34 -0400 | [diff] [blame] | 180 | * are only accessible by type MT_DEVICE_NONSHARED. |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 181 | * 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 Herring | b12e9ba | 2012-02-13 13:27:24 -0600 | [diff] [blame] | 187 | return __arm_ioremap_caller(phys_addr, size, mtype, caller); |
Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 188 | } |