arch/arm/mach-msm/board-msm7x30.c

   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
  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/gpio.h>
  35 #include <mach/board.h>
  36 #include <mach/msm_iomap.h>
  37 #include <mach/dma.h>
  38
  39 #include <mach/vreg.h>
  40 #include "devices.h"
  41 #include "gpiomux.h"
  42 #include "proc_comm.h"
  43
  44 extern struct sys_timer msm_timer;
  45
  46 static void __init msm7x30_fixup(struct machine_desc *desc, struct tag *tag,
  47                          char **cmdline, struct meminfo *mi)
  48 {
  49         for (; tag->hdr.size; tag = tag_next(tag))
  50                 if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
  51                         tag->u.mem.start = 0;
  52                         tag->u.mem.size += SZ_2M;
  53                 }
  54 }
  55
  56 static void __init msm7x30_reserve(void)
  57 {
  58         memblock_remove(0x0, SZ_2M);
  59 }
  60
  61 static int hsusb_phy_init_seq[] = {
  62         0x30, 0x32,     /* Enable and set Pre-Emphasis Depth to 20% */
  63         0x02, 0x36,     /* Disable CDR Auto Reset feature */
  64         -1
  65 };
  66
  67 static struct msm_otg_platform_data msm_otg_pdata = {
  68         .phy_init_seq           = hsusb_phy_init_seq,
  69         .mode                   = USB_PERIPHERAL,
  70         .otg_control            = OTG_PHY_CONTROL,
  71 };
  72
  73 struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
  74 #ifdef CONFIG_SERIAL_MSM_CONSOLE
  75         [49] = { /* UART2 RFR */
  76                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  77                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  78         },
  79         [50] = { /* UART2 CTS */
  80                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  81                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  82         },
  83         [51] = { /* UART2 RX */
  84                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  85                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  86         },
  87         [52] = { /* UART2 TX */
  88                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  89                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  90         },
  91 #endif
  92 };
  93
  94 static struct platform_device *devices[] __initdata = {
  95 #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
  96         &msm_device_uart2,
  97 #endif
  98         &msm_device_smd,
  99         &msm_device_otg,
 100         &msm_device_hsusb,
 101         &msm_device_hsusb_host,
 102 };
 103
 104 static void __init msm7x30_init_irq(void)
 105 {
 106         msm_init_irq();
 107 }
 108
 109 static void __init msm7x30_init(void)
 110 {
 111         msm_device_otg.dev.platform_data = &msm_otg_pdata;
 112         msm_device_hsusb.dev.parent = &msm_device_otg.dev;
 113         msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
 114
 115         platform_add_devices(devices, ARRAY_SIZE(devices));
 116 }
 117
 118 static void __init msm7x30_map_io(void)
 119 {
 120         msm_map_msm7x30_io();
 121         msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
 122 }
 123
 124 MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
 125         .boot_params = PLAT_PHYS_OFFSET + 0x100,
 126         .fixup = msm7x30_fixup,
 127         .reserve = msm7x30_reserve,
 128         .map_io = msm7x30_map_io,
 129         .init_irq = msm7x30_init_irq,
 130         .init_machine = msm7x30_init,
 131         .timer = &msm_timer,
 132 MACHINE_END
 133
 134 MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
 135         .boot_params = PLAT_PHYS_OFFSET + 0x100,
 136         .fixup = msm7x30_fixup,
 137         .reserve = msm7x30_reserve,
 138         .map_io = msm7x30_map_io,
 139         .init_irq = msm7x30_init_irq,
 140         .init_machine = msm7x30_init,
 141         .timer = &msm_timer,
 142 MACHINE_END
 143
 144 MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
 145         .boot_params = PLAT_PHYS_OFFSET + 0x100,
 146         .fixup = msm7x30_fixup,
 147         .reserve = msm7x30_reserve,
 148         .map_io = msm7x30_map_io,
 149         .init_irq = msm7x30_init_irq,
 150         .init_machine = msm7x30_init,
 151         .timer = &msm_timer,
 152 MACHINE_END