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
msm7x2x_init_irq(void)77 static void __init msm7x2x_init_irq(void)
78 {
79 msm_init_irq();
80 }
81
msm7x2x_init(void)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
msm7x2x_map_io(void)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
162