1 /* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15 * 02110-1301, USA.
16 */
17 #include <linux/gpio.h>
18 #include <linux/kernel.h>
19 #include <linux/irq.h>
20 #include <linux/gpio.h>
21 #include <linux/platform_device.h>
22 #include <linux/delay.h>
23 #include <linux/io.h>
24 #include <linux/smsc911x.h>
25 #include <linux/usb/msm_hsusb.h>
26 #include <linux/clkdev.h>
27 #include <linux/memblock.h>
28
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/memory.h>
32 #include <asm/setup.h>
33
34 #include <mach/board.h>
35 #include <mach/msm_iomap.h>
36 #include <mach/dma.h>
37
38 #include <mach/vreg.h>
39 #include "devices.h"
40 #include "gpiomux.h"
41 #include "proc_comm.h"
42
43 extern struct sys_timer msm_timer;
44
msm7x30_fixup(struct tag * tag,char ** cmdline,struct meminfo * mi)45 static void __init msm7x30_fixup(struct tag *tag, char **cmdline,
46 struct meminfo *mi)
47 {
48 for (; tag->hdr.size; tag = tag_next(tag))
49 if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
50 tag->u.mem.start = 0;
51 tag->u.mem.size += SZ_2M;
52 }
53 }
54
msm7x30_reserve(void)55 static void __init msm7x30_reserve(void)
56 {
57 memblock_remove(0x0, SZ_2M);
58 }
59
60 static int hsusb_phy_init_seq[] = {
61 0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
62 0x02, 0x36, /* Disable CDR Auto Reset feature */
63 -1
64 };
65
66 static struct msm_otg_platform_data msm_otg_pdata = {
67 .phy_init_seq = hsusb_phy_init_seq,
68 .mode = USB_PERIPHERAL,
69 .otg_control = OTG_PHY_CONTROL,
70 };
71
72 struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
73 #ifdef CONFIG_SERIAL_MSM_CONSOLE
74 [49] = { /* UART2 RFR */
75 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
76 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
77 },
78 [50] = { /* UART2 CTS */
79 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
80 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
81 },
82 [51] = { /* UART2 RX */
83 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
84 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
85 },
86 [52] = { /* UART2 TX */
87 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
88 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
89 },
90 #endif
91 };
92
93 static struct platform_device *devices[] __initdata = {
94 #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
95 &msm_device_uart2,
96 #endif
97 &msm_device_smd,
98 &msm_device_otg,
99 &msm_device_hsusb,
100 &msm_device_hsusb_host,
101 };
102
msm7x30_init_irq(void)103 static void __init msm7x30_init_irq(void)
104 {
105 msm_init_irq();
106 }
107
msm7x30_init(void)108 static void __init msm7x30_init(void)
109 {
110 msm_device_otg.dev.platform_data = &msm_otg_pdata;
111 msm_device_hsusb.dev.parent = &msm_device_otg.dev;
112 msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
113
114 platform_add_devices(devices, ARRAY_SIZE(devices));
115 }
116
msm7x30_map_io(void)117 static void __init msm7x30_map_io(void)
118 {
119 msm_map_msm7x30_io();
120 msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
121 }
122
123 MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
124 .atag_offset = 0x100,
125 .fixup = msm7x30_fixup,
126 .reserve = msm7x30_reserve,
127 .map_io = msm7x30_map_io,
128 .init_irq = msm7x30_init_irq,
129 .init_machine = msm7x30_init,
130 .timer = &msm_timer,
131 MACHINE_END
132
133 MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
134 .atag_offset = 0x100,
135 .fixup = msm7x30_fixup,
136 .reserve = msm7x30_reserve,
137 .map_io = msm7x30_map_io,
138 .init_irq = msm7x30_init_irq,
139 .init_machine = msm7x30_init,
140 .timer = &msm_timer,
141 MACHINE_END
142
143 MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
144 .atag_offset = 0x100,
145 .fixup = msm7x30_fixup,
146 .reserve = msm7x30_reserve,
147 .map_io = msm7x30_map_io,
148 .init_irq = msm7x30_init_irq,
149 .init_machine = msm7x30_init,
150 .timer = &msm_timer,
151 MACHINE_END
152