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 #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>
  22 #include <linux/io.h>
  23 #include <linux/smsc911x.h>
  24 #include <linux/usb/msm_hsusb.h>
  25 #include <linux/clkdev.h>
  26 #include <linux/memblock.h>
  27
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/memory.h>
  31 #include <asm/setup.h>
  32
  33 #include <mach/board.h>
  34 #include <mach/msm_iomap.h>
  35 #include <mach/dma.h>
  36
  37 #include <mach/vreg.h>
  38 #include "devices.h"
  39 #include "gpiomux.h"
  40 #include "proc_comm.h"
  41 #include "common.h"
  42
  43 static void __init msm7x30_fixup(struct tag *tag, char **cmdline,
  44                 struct meminfo *mi)
  45 {
  46         for (; tag->hdr.size; tag = tag_next(tag))
  47                 if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
  48                         tag->u.mem.start = 0;
  49                         tag->u.mem.size += SZ_2M;
  50                 }
  51 }
  52
  53 static void __init msm7x30_reserve(void)
  54 {
  55         memblock_remove(0x0, SZ_2M);
  56 }
  57
  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 */
  61         -1
  62 };
  63
  64 static struct msm_otg_platform_data msm_otg_pdata = {
  65         .phy_init_seq           = hsusb_phy_init_seq,
  66         .mode                   = USB_PERIPHERAL,
  67         .otg_control            = OTG_PHY_CONTROL,
  68 };
  69
  70 struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
  71 #ifdef CONFIG_SERIAL_MSM_CONSOLE
  72         [49] = { /* UART2 RFR */
  73                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  74                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  75         },
  76         [50] = { /* UART2 CTS */
  77                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  78                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  79         },
  80         [51] = { /* UART2 RX */
  81                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  82                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  83         },
  84         [52] = { /* UART2 TX */
  85                 .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  86                              GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  87         },
  88 #endif
  89 };
  90
  91 static struct platform_device *devices[] __initdata = {
  92 #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
  93         &msm_device_uart2,
  94 #endif
  95         &msm_device_smd,
  96         &msm_device_otg,
  97         &msm_device_hsusb,
  98         &msm_device_hsusb_host,
  99 };
 100
 101 static void __init msm7x30_init_irq(void)
 102 {
 103         msm_init_irq();
 104 }
 105
 106 static void __init msm7x30_init(void)
 107 {
 108         msm_device_otg.dev.platform_data = &msm_otg_pdata;
 109         msm_device_hsusb.dev.parent = &msm_device_otg.dev;
 110         msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
 111
 112         platform_add_devices(devices, ARRAY_SIZE(devices));
 113 }
 114
 115 static void __init msm7x30_map_io(void)
 116 {
 117         msm_map_msm7x30_io();
 118         msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
 119 }
 120
 121 static void __init msm7x30_init_late(void)
 122 {
 123         smd_debugfs_init();
 124 }
 125
 126 MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
 127         .atag_offset = 0x100,
 128         .fixup = msm7x30_fixup,
 129         .reserve = msm7x30_reserve,
 130         .map_io = msm7x30_map_io,
 131         .init_irq = msm7x30_init_irq,
 132         .init_machine = msm7x30_init,
 133         .init_late = msm7x30_init_late,
 134         .init_time      = msm7x30_timer_init,
 135 MACHINE_END
 136
 137 MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
 138         .atag_offset = 0x100,
 139         .fixup = msm7x30_fixup,
 140         .reserve = msm7x30_reserve,
 141         .map_io = msm7x30_map_io,
 142         .init_irq = msm7x30_init_irq,
 143         .init_machine = msm7x30_init,
 144         .init_late = msm7x30_init_late,
 145         .init_time      = msm7x30_timer_init,
 146 MACHINE_END
 147
 148 MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
 149         .atag_offset = 0x100,
 150         .fixup = msm7x30_fixup,
 151         .reserve = msm7x30_reserve,
 152         .map_io = msm7x30_map_io,
 153         .init_irq = msm7x30_init_irq,
 154         .init_machine = msm7x30_init,
 155         .init_late = msm7x30_init_late,
 156         .init_time      = msm7x30_timer_init,
 157 MACHINE_END