1 /* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
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.
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.
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
17 #include <linux/gpio.h>
18 #include <linux/kernel.h>
19 #include <linux/irq.h>
20 #include <linux/platform_device.h>
21 #include <linux/delay.h>
23 #include <linux/smsc911x.h>
24 #include <linux/usb/msm_hsusb.h>
25 #include <linux/clkdev.h>
26 #include <linux/memblock.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/memory.h>
31 #include <asm/setup.h>
34 #include <mach/msm_iomap.h>
37 #include <mach/vreg.h>
40 #include "proc_comm.h"
43 static void __init
msm7x30_fixup(struct tag
*tag
, char **cmdline
)
45 for (; tag
->hdr
.size
; tag
= tag_next(tag
))
46 if (tag
->hdr
.tag
== ATAG_MEM
&& tag
->u
.mem
.start
== 0x200000) {
48 tag
->u
.mem
.size
+= SZ_2M
;
52 static void __init
msm7x30_reserve(void)
54 memblock_remove(0x0, SZ_2M
);
57 static int hsusb_phy_init_seq
[] = {
58 0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
59 0x02, 0x36, /* Disable CDR Auto Reset feature */
63 static int hsusb_link_clk_reset(struct clk
*link_clk
, bool assert)
68 ret
= clk_reset(link_clk
, CLK_RESET_ASSERT
);
70 pr_err("usb hs_clk assert failed\n");
72 ret
= clk_reset(link_clk
, CLK_RESET_DEASSERT
);
74 pr_err("usb hs_clk deassert failed\n");
79 static int hsusb_phy_clk_reset(struct clk
*phy_clk
)
83 ret
= clk_reset(phy_clk
, CLK_RESET_ASSERT
);
85 pr_err("usb phy clk assert failed\n");
88 usleep_range(10000, 12000);
89 ret
= clk_reset(phy_clk
, CLK_RESET_DEASSERT
);
91 pr_err("usb phy clk deassert failed\n");
95 static struct msm_otg_platform_data msm_otg_pdata
= {
96 .phy_init_seq
= hsusb_phy_init_seq
,
97 .mode
= USB_DR_MODE_PERIPHERAL
,
98 .otg_control
= OTG_PHY_CONTROL
,
99 .link_clk_reset
= hsusb_link_clk_reset
,
100 .phy_clk_reset
= hsusb_phy_clk_reset
,
103 struct msm_gpiomux_config msm_gpiomux_configs
[GPIOMUX_NGPIOS
] = {
104 #ifdef CONFIG_SERIAL_MSM_CONSOLE
105 [49] = { /* UART2 RFR */
106 .suspended
= GPIOMUX_DRV_2MA
| GPIOMUX_PULL_DOWN
|
107 GPIOMUX_FUNC_2
| GPIOMUX_VALID
,
109 [50] = { /* UART2 CTS */
110 .suspended
= GPIOMUX_DRV_2MA
| GPIOMUX_PULL_DOWN
|
111 GPIOMUX_FUNC_2
| GPIOMUX_VALID
,
113 [51] = { /* UART2 RX */
114 .suspended
= GPIOMUX_DRV_2MA
| GPIOMUX_PULL_DOWN
|
115 GPIOMUX_FUNC_2
| GPIOMUX_VALID
,
117 [52] = { /* UART2 TX */
118 .suspended
= GPIOMUX_DRV_2MA
| GPIOMUX_PULL_DOWN
|
119 GPIOMUX_FUNC_2
| GPIOMUX_VALID
,
124 static struct platform_device
*devices
[] __initdata
= {
126 &msm_device_gpio_7x30
,
127 #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
133 &msm_device_hsusb_host
,
136 static void __init
msm7x30_init_irq(void)
141 static void __init
msm7x30_init(void)
143 msm_device_otg
.dev
.platform_data
= &msm_otg_pdata
;
144 msm_device_hsusb
.dev
.parent
= &msm_device_otg
.dev
;
145 msm_device_hsusb_host
.dev
.parent
= &msm_device_otg
.dev
;
147 platform_add_devices(devices
, ARRAY_SIZE(devices
));
150 static void __init
msm7x30_map_io(void)
152 msm_map_msm7x30_io();
155 static void __init
msm7x30_init_late(void)
160 MACHINE_START(MSM7X30_SURF
, "QCT MSM7X30 SURF")
161 .atag_offset
= 0x100,
162 .fixup
= msm7x30_fixup
,
163 .reserve
= msm7x30_reserve
,
164 .map_io
= msm7x30_map_io
,
165 .init_irq
= msm7x30_init_irq
,
166 .init_machine
= msm7x30_init
,
167 .init_late
= msm7x30_init_late
,
168 .init_time
= msm7x30_timer_init
,
171 MACHINE_START(MSM7X30_FFA
, "QCT MSM7X30 FFA")
172 .atag_offset
= 0x100,
173 .fixup
= msm7x30_fixup
,
174 .reserve
= msm7x30_reserve
,
175 .map_io
= msm7x30_map_io
,
176 .init_irq
= msm7x30_init_irq
,
177 .init_machine
= msm7x30_init
,
178 .init_late
= msm7x30_init_late
,
179 .init_time
= msm7x30_timer_init
,
182 MACHINE_START(MSM7X30_FLUID
, "QCT MSM7X30 FLUID")
183 .atag_offset
= 0x100,
184 .fixup
= msm7x30_fixup
,
185 .reserve
= msm7x30_reserve
,
186 .map_io
= msm7x30_map_io
,
187 .init_irq
= msm7x30_init_irq
,
188 .init_machine
= msm7x30_init
,
189 .init_late
= msm7x30_init_late
,
190 .init_time
= msm7x30_timer_init
,