Merge commit 'v2.6.39' into 20110526
[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
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/gpio.h>
38 #include <mach/board.h>
39 #include <mach/msm_iomap.h>
40
41 #include <linux/mtd/nand.h>
42 #include <linux/mtd/partitions.h>
43
44 #include "devices.h"
45 #include "socinfo.h"
46 #include "clock.h"
47
48 static struct resource smc91x_resources[] = {
49         [0] = {
50                 .start  = 0x9C004300,
51                 .end    = 0x9C0043ff,
52                 .flags  = IORESOURCE_MEM,
53         },
54         [1] = {
55                 .start  = MSM_GPIO_TO_INT(132),
56                 .end    = MSM_GPIO_TO_INT(132),
57                 .flags  = IORESOURCE_IRQ,
58         },
59 };
60
61 static struct platform_device smc91x_device = {
62         .name           = "smc91x",
63         .id             = 0,
64         .num_resources  = ARRAY_SIZE(smc91x_resources),
65         .resource       = smc91x_resources,
66 };
67
68 static struct platform_device *devices[] __initdata = {
69         &msm_device_uart3,
70         &msm_device_smd,
71         &msm_device_dmov,
72         &msm_device_nand,
73         &smc91x_device,
74 };
75
76 extern struct sys_timer msm_timer;
77
78 static void __init msm7x2x_init_irq(void)
79 {
80         msm_init_irq();
81 }
82
83 static void __init msm7x2x_init(void)
84 {
85         if (socinfo_init() < 0)
86                 BUG();
87
88         if (machine_is_msm7x25_ffa() || machine_is_msm7x27_ffa()) {
89                 smc91x_resources[0].start = 0x98000300;
90                 smc91x_resources[0].end = 0x980003ff;
91                 smc91x_resources[1].start = MSM_GPIO_TO_INT(85);
92                 smc91x_resources[1].end = MSM_GPIO_TO_INT(85);
93                 if (gpio_tlmm_config(GPIO_CFG(85, 0,
94                                               GPIO_INPUT,
95                                               GPIO_PULL_DOWN,
96                                               GPIO_2MA),
97                                      GPIO_ENABLE)) {
98                         printk(KERN_ERR
99                                "%s: Err: Config GPIO-85 INT\n",
100                                 __func__);
101                 }
102         }
103
104         platform_add_devices(devices, ARRAY_SIZE(devices));
105 }
106
107 static void __init msm7x2x_map_io(void)
108 {
109         msm_map_common_io();
110         /* Technically dependent on the SoC but using machine_is
111          * macros since socinfo is not available this early and there
112          * are plans to restructure the code which will eliminate the
113          * need for socinfo.
114          */
115         if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa())
116                 msm_clock_init(msm_clocks_7x27, msm_num_clocks_7x27);
117
118         if (machine_is_msm7x25_surf() || machine_is_msm7x25_ffa())
119                 msm_clock_init(msm_clocks_7x25, msm_num_clocks_7x25);
120
121 #ifdef CONFIG_CACHE_L2X0
122         if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa()) {
123                 /* 7x27 has 256KB L2 cache:
124                         64Kb/Way and 4-Way Associativity;
125                         R/W latency: 3 cycles;
126                         evmon/parity/share disabled. */
127                 l2x0_init(MSM_L2CC_BASE, 0x00068012, 0xfe000000);
128         }
129 #endif
130 }
131
132 MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF")
133         .boot_params    = PLAT_PHYS_OFFSET + 0x100,
134         .map_io         = msm7x2x_map_io,
135         .init_irq       = msm7x2x_init_irq,
136         .init_machine   = msm7x2x_init,
137         .timer          = &msm_timer,
138 MACHINE_END
139
140 MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA")
141         .boot_params    = PLAT_PHYS_OFFSET + 0x100,
142         .map_io         = msm7x2x_map_io,
143         .init_irq       = msm7x2x_init_irq,
144         .init_machine   = msm7x2x_init,
145         .timer          = &msm_timer,
146 MACHINE_END
147
148 MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF")
149         .boot_params    = PLAT_PHYS_OFFSET + 0x100,
150         .map_io         = msm7x2x_map_io,
151         .init_irq       = msm7x2x_init_irq,
152         .init_machine   = msm7x2x_init,
153         .timer          = &msm_timer,
154 MACHINE_END
155
156 MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA")
157         .boot_params    = PLAT_PHYS_OFFSET + 0x100,
158         .map_io         = msm7x2x_map_io,
159         .init_irq       = msm7x2x_init_irq,
160         .init_machine   = msm7x2x_init,
161         .timer          = &msm_timer,
162 MACHINE_END