release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-msm/board-qsd8x50.c

   1 /* Copyright (c) 2008-2009, 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
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/io.h>
  27 #include <asm/setup.h>
  28
  29 #include <mach/board.h>
  30 #include <mach/irqs.h>
  31 #include <mach/sirc.h>
  32 #include <mach/gpio.h>
  33
  34 #include "devices.h"
  35
  36 extern struct sys_timer msm_timer;
  37
  38 static struct msm_gpio uart3_config_data[] = {
  39         { GPIO_CFG(86, 1, GPIO_INPUT,   GPIO_PULL_DOWN, GPIO_2MA), "UART2_Rx"},
  40         { GPIO_CFG(87, 1, GPIO_OUTPUT,  GPIO_PULL_DOWN, GPIO_2MA), "UART2_Tx"},
  41 };
  42
  43 static struct platform_device *devices[] __initdata = {
  44         &msm_device_uart3,
  45 };
  46
  47 static void msm8x50_init_uart3(void)
  48 {
  49         msm_gpios_request_enable(uart3_config_data,
  50                                 ARRAY_SIZE(uart3_config_data));
  51 }
  52
  53 static void __init qsd8x50_map_io(void)
  54 {
  55         msm_map_qsd8x50_io();
  56         msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50);
  57 }
  58
  59 static void __init qsd8x50_init_irq(void)
  60 {
  61         msm_init_irq();
  62         msm_init_sirc();
  63 }
  64
  65 static void __init qsd8x50_init(void)
  66 {
  67         msm8x50_init_uart3();
  68         platform_add_devices(devices, ARRAY_SIZE(devices));
  69 }
  70
  71 MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
  72 #ifdef CONFIG_MSM_DEBUG_UART
  73         .phys_io  = MSM_DEBUG_UART_PHYS,
  74         .io_pg_offst = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
  75 #endif
  76         .boot_params = PHYS_OFFSET + 0x100,
  77         .map_io = qsd8x50_map_io,
  78         .init_irq = qsd8x50_init_irq,
  79         .init_machine = qsd8x50_init,
  80         .timer = &msm_timer,
  81 MACHINE_END
  82
  83 MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
  84 #ifdef CONFIG_MSM_DEBUG_UART
  85         .phys_io  = MSM_DEBUG_UART_PHYS,
  86         .io_pg_offst = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
  87 #endif
  88         .boot_params = PHYS_OFFSET + 0x100,
  89         .map_io = qsd8x50_map_io,
  90         .init_irq = qsd8x50_init_irq,
  91         .init_machine = qsd8x50_init,
  92         .timer = &msm_timer,
  93 MACHINE_END