Merge branch 'depends/rmk/memory_h' into next/fixes
[linux-2.6.git] / arch / arm / mach-msm / board-msm7x27.c
1 /*
2  * Copyright (C) 2007 Google, Inc.
3  * Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
4  * Author: Brian Swetland <swetland@google.com>
5  *
6  * This software is licensed under the terms of the GNU General Public
7  * License version 2, as published by the Free Software Foundation, and
8  * may be copied, distributed, and modified under those terms.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  */
16 #include <linux/gpio.h>
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/platform_device.h>
20 #include <linux/input.h>
21 #include <linux/io.h>
22 #include <linux/delay.h>
23 #include <linux/power_supply.h>
24
25 #include <mach/hardware.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/flash.h>
30 #include <asm/setup.h>
31 #ifdef CONFIG_CACHE_L2X0
32 #include <asm/hardware/cache-l2x0.h>
33 #endif
34
35 #include <mach/vreg.h>
36 #include <mach/mpp.h>
37 #include <mach/board.h>
38 #include <mach/msm_iomap.h>
39
40 #include <linux/mtd/nand.h>
41 #include <linux/mtd/partitions.h>
42
43 #include "devices.h"
44 #include "socinfo.h"
45 #include "clock.h"
46
47 static struct resource smc91x_resources[] = {
48         [0] = {
49                 .start  = 0x9C004300,
50                 .end    = 0x9C0043ff,
51                 .flags  = IORESOURCE_MEM,
52         },
53         [1] = {
54                 .start  = MSM_GPIO_TO_INT(132),
55                 .end    = MSM_GPIO_TO_INT(132),
56                 .flags  = IORESOURCE_IRQ,
57         },
58 };
59
60 static struct platform_device smc91x_device = {
61         .name           = "smc91x",
62         .id             = 0,
63         .num_resources  = ARRAY_SIZE(smc91x_resources),
64         .resource       = smc91x_resources,
65 };
66
67 static struct platform_device *devices[] __initdata = {
68         &msm_device_uart3,
69         &msm_device_smd,
70         &msm_device_dmov,
71         &msm_device_nand,
72         &smc91x_device,
73 };
74
75 extern struct sys_timer msm_timer;
76
77 static void __init msm7x2x_init_irq(void)
78 {
79         msm_init_irq();
80 }
81
82 static void __init msm7x2x_init(void)
83 {
84         if (socinfo_init() < 0)
85                 BUG();
86
87         if (machine_is_msm7x25_ffa() || machine_is_msm7x27_ffa()) {
88                 smc91x_resources[0].start = 0x98000300;
89                 smc91x_resources[0].end = 0x980003ff;
90                 smc91x_resources[1].start = MSM_GPIO_TO_INT(85);
91                 smc91x_resources[1].end = MSM_GPIO_TO_INT(85);
92                 if (gpio_tlmm_config(GPIO_CFG(85, 0,
93                                               GPIO_INPUT,
94                                               GPIO_PULL_DOWN,
95                                               GPIO_2MA),
96                                      GPIO_ENABLE)) {
97                         printk(KERN_ERR
98                                "%s: Err: Config GPIO-85 INT\n",
99                                 __func__);
100                 }
101         }
102
103         platform_add_devices(devices, ARRAY_SIZE(devices));
104 }
105
106 static void __init msm7x2x_map_io(void)
107 {
108         msm_map_common_io();
109         /* Technically dependent on the SoC but using machine_is
110          * macros since socinfo is not available this early and there
111          * are plans to restructure the code which will eliminate the
112          * need for socinfo.
113          */
114         if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa())
115                 msm_clock_init(msm_clocks_7x27, msm_num_clocks_7x27);
116
117         if (machine_is_msm7x25_surf() || machine_is_msm7x25_ffa())
118                 msm_clock_init(msm_clocks_7x25, msm_num_clocks_7x25);
119
120 #ifdef CONFIG_CACHE_L2X0
121         if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa()) {
122                 /* 7x27 has 256KB L2 cache:
123                         64Kb/Way and 4-Way Associativity;
124                         R/W latency: 3 cycles;
125                         evmon/parity/share disabled. */
126                 l2x0_init(MSM_L2CC_BASE, 0x00068012, 0xfe000000);
127         }
128 #endif
129 }
130
131 MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF")
132         .atag_offset    = 0x100,
133         .map_io         = msm7x2x_map_io,
134         .init_irq       = msm7x2x_init_irq,
135         .init_machine   = msm7x2x_init,
136         .timer          = &msm_timer,
137 MACHINE_END
138
139 MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA")
140         .atag_offset    = 0x100,
141         .map_io         = msm7x2x_map_io,
142         .init_irq       = msm7x2x_init_irq,
143         .init_machine   = msm7x2x_init,
144         .timer          = &msm_timer,
145 MACHINE_END
146
147 MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF")
148         .atag_offset    = 0x100,
149         .map_io         = msm7x2x_map_io,
150         .init_irq       = msm7x2x_init_irq,
151         .init_machine   = msm7x2x_init,
152         .timer          = &msm_timer,
153 MACHINE_END
154
155 MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA")
156         .atag_offset    = 0x100,
157         .map_io         = msm7x2x_map_io,
158         .init_irq       = msm7x2x_init_irq,
159         .init_machine   = msm7x2x_init,
160         .timer          = &msm_timer,
161 MACHINE_END