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,
46 for (; tag->hdr.size; tag = tag_next(tag))
47 if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
49 tag->u.mem.size += SZ_2M;
53 static void __init msm7x30_reserve(void)
55 memblock_remove(0x0, SZ_2M);
58 static int hsusb_phy_init_seq[] = {
59 0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
60 0x02, 0x36, /* Disable CDR Auto Reset feature */
64 static int hsusb_link_clk_reset(struct clk *link_clk, bool assert)
69 ret = clk_reset(link_clk, CLK_RESET_ASSERT);
71 pr_err("usb hs_clk assert failed\n");
73 ret = clk_reset(link_clk, CLK_RESET_DEASSERT);
75 pr_err("usb hs_clk deassert failed\n");
80 static int hsusb_phy_clk_reset(struct clk *phy_clk)
84 ret = clk_reset(phy_clk, CLK_RESET_ASSERT);
86 pr_err("usb phy clk assert failed\n");
89 usleep_range(10000, 12000);
90 ret = clk_reset(phy_clk, CLK_RESET_DEASSERT);
92 pr_err("usb phy clk deassert failed\n");
96 static struct msm_otg_platform_data msm_otg_pdata = {
97 .phy_init_seq = hsusb_phy_init_seq,
98 .mode = USB_DR_MODE_PERIPHERAL,
99 .otg_control = OTG_PHY_CONTROL,
100 .link_clk_reset = hsusb_link_clk_reset,
101 .phy_clk_reset = hsusb_phy_clk_reset,
104 struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
105 #ifdef CONFIG_SERIAL_MSM_CONSOLE
106 [49] = { /* UART2 RFR */
107 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
108 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
110 [50] = { /* UART2 CTS */
111 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
112 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
114 [51] = { /* UART2 RX */
115 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
116 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
118 [52] = { /* UART2 TX */
119 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
120 GPIOMUX_FUNC_2 | GPIOMUX_VALID,
125 static struct platform_device *devices[] __initdata = {
127 &msm_device_gpio_7x30,
128 #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
134 &msm_device_hsusb_host,
137 static void __init msm7x30_init_irq(void)
142 static void __init msm7x30_init(void)
144 msm_device_otg.dev.platform_data = &msm_otg_pdata;
145 msm_device_hsusb.dev.parent = &msm_device_otg.dev;
146 msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
148 platform_add_devices(devices, ARRAY_SIZE(devices));
151 static void __init msm7x30_map_io(void)
153 msm_map_msm7x30_io();
156 static void __init msm7x30_init_late(void)
161 MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
162 .atag_offset = 0x100,
163 .fixup = msm7x30_fixup,
164 .reserve = msm7x30_reserve,
165 .map_io = msm7x30_map_io,
166 .init_irq = msm7x30_init_irq,
167 .init_machine = msm7x30_init,
168 .init_late = msm7x30_init_late,
169 .init_time = msm7x30_timer_init,
172 MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
173 .atag_offset = 0x100,
174 .fixup = msm7x30_fixup,
175 .reserve = msm7x30_reserve,
176 .map_io = msm7x30_map_io,
177 .init_irq = msm7x30_init_irq,
178 .init_machine = msm7x30_init,
179 .init_late = msm7x30_init_late,
180 .init_time = msm7x30_timer_init,
183 MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
184 .atag_offset = 0x100,
185 .fixup = msm7x30_fixup,
186 .reserve = msm7x30_reserve,
187 .map_io = msm7x30_map_io,
188 .init_irq = msm7x30_init_irq,
189 .init_machine = msm7x30_init,
190 .init_late = msm7x30_init_late,
191 .init_time = msm7x30_timer_init,