LXR linux/arch/arm/mach-msm/board-msm7x27.c

   1/*
   2 * Copyright (C) 2007 Google, Inc.
   3 * Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
   4 * Author: Brian Swetland <swetland@google.com>
   5 *
   6 * This software is licensed under the terms of the GNU General Public
   7 * License version 2, as published by the Free Software Foundation, and
   8 * may be copied, distributed, and modified under those terms.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 */
  16
  17#include <linux/kernel.h>
  18#include <linux/init.h>
  19#include <linux/platform_device.h>
  20#include <linux/input.h>
  21#include <linux/io.h>
  22#include <linux/delay.h>
  23#include <linux/power_supply.h>
  24
  25#include <mach/hardware.h>
  26#include <asm/mach-types.h>
  27#include <asm/mach/arch.h>
  28#include <asm/mach/map.h>
  29#include <asm/mach/flash.h>
  30#include <asm/setup.h>
  31#ifdef CONFIG_CACHE_L2X0
  32#include <asm/hardware/cache-l2x0.h>
  33#endif
  34
  35#include <mach/vreg.h>
  36#include <mach/mpp.h>
  37#include <mach/gpio.h>
  38#include <mach/board.h>
  39#include <mach/msm_iomap.h>
  40
  41#include <linux/mtd/nand.h>
  42#include <linux/mtd/partitions.h>
  43
  44#include "devices.h"
  45#include "socinfo.h"
  46#include "clock.h"
  47
  48static struct resource smc91x_resources[] = {
  49        [0] = {
  50                .start  = 0x9C004300,
  51                .end    = 0x9C0043ff,
  52                .flags  = IORESOURCE_MEM,
  53        },
  54        [1] = {
  55                .start  = MSM_GPIO_TO_INT(132),
  56                .end    = MSM_GPIO_TO_INT(132),
  57                .flags  = IORESOURCE_IRQ,
  58        },
  59};
  60
  61static struct platform_device smc91x_device = {
  62        .name           = "smc91x",
  63        .id             = 0,
  64        .num_resources  = ARRAY_SIZE(smc91x_resources),
  65        .resource       = smc91x_resources,
  66};
  67
  68static struct platform_device *devices[] __initdata = {
  69        &msm_device_uart3,
  70        &msm_device_smd,
  71        &msm_device_dmov,
  72        &msm_device_nand,
  73        &smc91x_device,
  74};
  75
  76extern struct sys_timer msm_timer;
  77
  78static void __init msm7x2x_init_irq(void)
  79{
  80        msm_init_irq();
  81}
  82
  83static void __init msm7x2x_init(void)
  84{
  85        if (socinfo_init() < 0)
  86                BUG();
  87
  88        if (machine_is_msm7x25_ffa() || machine_is_msm7x27_ffa()) {
  89                smc91x_resources[0].start = 0x98000300;
  90                smc91x_resources[0].end = 0x980003ff;
  91                smc91x_resources[1].start = MSM_GPIO_TO_INT(85);
  92                smc91x_resources[1].end = MSM_GPIO_TO_INT(85);
  93                if (gpio_tlmm_config(GPIO_CFG(85, 0,
  94                                              GPIO_INPUT,
  95                                              GPIO_PULL_DOWN,
  96                                              GPIO_2MA),
  97                                     GPIO_ENABLE)) {
  98                        printk(KERN_ERR
  99                               "%s: Err: Config GPIO-85 INT\n",
 100                                __func__);
 101                }
 102        }
 103
 104        platform_add_devices(devices, ARRAY_SIZE(devices));
 105}
 106
 107static void __init msm7x2x_map_io(void)
 108{
 109        msm_map_common_io();
 110        /* Technically dependent on the SoC but using machine_is
 111         * macros since socinfo is not available this early and there
 112         * are plans to restructure the code which will eliminate the
 113         * need for socinfo.
 114         */
 115        if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa())
 116                msm_clock_init(msm_clocks_7x27, msm_num_clocks_7x27);
 117
 118        if (machine_is_msm7x25_surf() || machine_is_msm7x25_ffa())
 119                msm_clock_init(msm_clocks_7x25, msm_num_clocks_7x25);
 120
 121#ifdef CONFIG_CACHE_L2X0
 122        if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa()) {
 123                /* 7x27 has 256KB L2 cache:
 124                        64Kb/Way and 4-Way Associativity;
 125                        R/W latency: 3 cycles;
 126                        evmon/parity/share disabled. */
 127                l2x0_init(MSM_L2CC_BASE, 0x00068012, 0xfe000000);
 128        }
 129#endif
 130}
 131
 132MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF")
 133#ifdef CONFIG_MSM_DEBUG_UART
 134#endif
 135        .boot_params    = PHYS_OFFSET + 0x100,
 136        .map_io         = msm7x2x_map_io,
 137        .init_irq       = msm7x2x_init_irq,
 138        .init_machine   = msm7x2x_init,
 139        .timer          = &msm_timer,
 140MACHINE_END
 141
 142MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA")
 143#ifdef CONFIG_MSM_DEBUG_UART
 144#endif
 145        .boot_params    = PHYS_OFFSET + 0x100,
 146        .map_io         = msm7x2x_map_io,
 147        .init_irq       = msm7x2x_init_irq,
 148        .init_machine   = msm7x2x_init,
 149        .timer          = &msm_timer,
 150MACHINE_END
 151
 152MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF")
 153#ifdef CONFIG_MSM_DEBUG_UART
 154#endif
 155        .boot_params    = PHYS_OFFSET + 0x100,
 156        .map_io         = msm7x2x_map_io,
 157        .init_irq       = msm7x2x_init_irq,
 158        .init_machine   = msm7x2x_init,
 159        .timer          = &msm_timer,
 160MACHINE_END
 161
 162MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA")
 163#ifdef CONFIG_MSM_DEBUG_UART
 164#endif
 165        .boot_params    = PHYS_OFFSET + 0x100,
 166        .map_io         = msm7x2x_map_io,
 167        .init_irq       = msm7x2x_init_irq,
 168        .init_machine   = msm7x2x_init,
 169        .timer          = &msm_timer,
 170MACHINE_END
 171