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/bootmem.h>
  24 #include <linux/power_supply.h>
  25
  26 #include <mach/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/mach/flash.h>
  31 #include <asm/setup.h>
  32 #ifdef CONFIG_CACHE_L2X0
  33 #include <asm/hardware/cache-l2x0.h>
  34 #endif
  35
  36 #include <mach/vreg.h>
  37 #include <mach/mpp.h>
  38 #include <mach/gpio.h>
  39 #include <mach/board.h>
  40 #include <mach/msm_iomap.h>
  41
  42 #include <linux/mtd/nand.h>
  43 #include <linux/mtd/partitions.h>
  44
  45 #include "devices.h"
  46 #include "socinfo.h"
  47 #include "clock.h"
  48
  49 static struct resource smc91x_resources[] = {
  50         [0] = {
  51                 .start  = 0x9C004300,
  52                 .end    = 0x9C0043ff,
  53                 .flags  = IORESOURCE_MEM,
  54         },
  55         [1] = {
  56                 .start  = MSM_GPIO_TO_INT(132),
  57                 .end    = MSM_GPIO_TO_INT(132),
  58                 .flags  = IORESOURCE_IRQ,
  59         },
  60 };
  61
  62 static struct platform_device smc91x_device = {
  63         .name           = "smc91x",
  64         .id             = 0,
  65         .num_resources  = ARRAY_SIZE(smc91x_resources),
  66         .resource       = smc91x_resources,
  67 };
  68
  69 static struct platform_device *devices[] __initdata = {
  70         &msm_device_uart3,
  71         &msm_device_smd,
  72         &msm_device_dmov,
  73         &msm_device_nand,
  74         &smc91x_device,
  75 };
  76
  77 extern struct sys_timer msm_timer;
  78
  79 static void __init msm7x2x_init_irq(void)
  80 {
  81         msm_init_irq();
  82 }
  83
  84 static void __init msm7x2x_init(void)
  85 {
  86         if (socinfo_init() < 0)
  87                 BUG();
  88
  89         if (machine_is_msm7x25_ffa() || machine_is_msm7x27_ffa()) {
  90                 smc91x_resources[0].start = 0x98000300;
  91                 smc91x_resources[0].end = 0x980003ff;
  92                 smc91x_resources[1].start = MSM_GPIO_TO_INT(85);
  93                 smc91x_resources[1].end = MSM_GPIO_TO_INT(85);
  94                 if (gpio_tlmm_config(GPIO_CFG(85, 0,
  95                                               GPIO_INPUT,
  96                                               GPIO_PULL_DOWN,
  97                                               GPIO_2MA),
  98                                      GPIO_ENABLE)) {
  99                         printk(KERN_ERR
 100                                "%s: Err: Config GPIO-85 INT\n",
 101                                 __func__);
 102                 }
 103         }
 104
 105         platform_add_devices(devices, ARRAY_SIZE(devices));
 106 }
 107
 108 static void __init msm7x2x_map_io(void)
 109 {
 110         msm_map_common_io();
 111         /* Technically dependent on the SoC but using machine_is
 112          * macros since socinfo is not available this early and there
 113          * are plans to restructure the code which will eliminate the
 114          * need for socinfo.
 115          */
 116         if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa())
 117                 msm_clock_init(msm_clocks_7x27, msm_num_clocks_7x27);
 118
 119         if (machine_is_msm7x25_surf() || machine_is_msm7x25_ffa())
 120                 msm_clock_init(msm_clocks_7x25, msm_num_clocks_7x25);
 121
 122 #ifdef CONFIG_CACHE_L2X0
 123         if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa()) {
 124                 /* 7x27 has 256KB L2 cache:
 125                         64Kb/Way and 4-Way Associativity;
 126                         R/W latency: 3 cycles;
 127                         evmon/parity/share disabled. */
 128                 l2x0_init(MSM_L2CC_BASE, 0x00068012, 0xfe000000);
 129         }
 130 #endif
 131 }
 132
 133 MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF")
 134 #ifdef CONFIG_MSM_DEBUG_UART
 135         .phys_io        = MSM_DEBUG_UART_PHYS,
 136         .io_pg_offst    = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
 137 #endif
 138         .boot_params    = PHYS_OFFSET + 0x100,
 139         .map_io         = msm7x2x_map_io,
 140         .init_irq       = msm7x2x_init_irq,
 141         .init_machine   = msm7x2x_init,
 142         .timer          = &msm_timer,
 143 MACHINE_END
 144
 145 MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA")
 146 #ifdef CONFIG_MSM_DEBUG_UART
 147         .phys_io        = MSM_DEBUG_UART_PHYS,
 148         .io_pg_offst    = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
 149 #endif
 150         .boot_params    = PHYS_OFFSET + 0x100,
 151         .map_io         = msm7x2x_map_io,
 152         .init_irq       = msm7x2x_init_irq,
 153         .init_machine   = msm7x2x_init,
 154         .timer          = &msm_timer,
 155 MACHINE_END
 156
 157 MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF")
 158 #ifdef CONFIG_MSM_DEBUG_UART
 159         .phys_io        = MSM_DEBUG_UART_PHYS,
 160         .io_pg_offst    = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
 161 #endif
 162         .boot_params    = PHYS_OFFSET + 0x100,
 163         .map_io         = msm7x2x_map_io,
 164         .init_irq       = msm7x2x_init_irq,
 165         .init_machine   = msm7x2x_init,
 166         .timer          = &msm_timer,
 167 MACHINE_END
 168
 169 MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA")
 170 #ifdef CONFIG_MSM_DEBUG_UART
 171         .phys_io        = MSM_DEBUG_UART_PHYS,
 172         .io_pg_offst    = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
 173 #endif
 174         .boot_params    = PHYS_OFFSET + 0x100,
 175         .map_io         = msm7x2x_map_io,
 176         .init_irq       = msm7x2x_init_irq,
 177         .init_machine   = msm7x2x_init,
 178         .timer          = &msm_timer,
 179 MACHINE_END