arch/arm/mach-msm/board-msm8960.c

   1 /* Copyright (c) 2011, 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/platform_device.h>
  20 #include <linux/io.h>
  21 #include <linux/irq.h>
  22 #include <linux/clkdev.h>
  23
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/hardware/gic.h>
  27
  28 #include <mach/board.h>
  29 #include <mach/msm_iomap.h>
  30
  31 #include "devices.h"
  32
  33 static void __init msm8960_map_io(void)
  34 {
  35         msm_map_msm8960_io();
  36 }
  37
  38 static void __init msm8960_init_irq(void)
  39 {
  40         unsigned int i;
  41         gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
  42                  (void *)MSM_QGIC_CPU_BASE);
  43
  44         /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
  45         writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
  46
  47         if (machine_is_msm8960_rumi3())
  48                 writel(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET);
  49
  50         /* FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet
  51          * as they are configured as level, which does not play nice with
  52          * handle_percpu_irq.
  53          */
  54         for (i = GIC_PPI_START; i < GIC_SPI_START; i++) {
  55                 if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE)
  56                         irq_set_handler(i, handle_percpu_irq);
  57         }
  58 }
  59
  60 static struct platform_device *sim_devices[] __initdata = {
  61         &msm8960_device_uart_gsbi2,
  62 };
  63
  64 static struct platform_device *rumi3_devices[] __initdata = {
  65         &msm8960_device_uart_gsbi5,
  66 };
  67
  68 static void __init msm8960_sim_init(void)
  69 {
  70         platform_add_devices(sim_devices, ARRAY_SIZE(sim_devices));
  71 }
  72
  73 static void __init msm8960_rumi3_init(void)
  74 {
  75         platform_add_devices(rumi3_devices, ARRAY_SIZE(rumi3_devices));
  76 }
  77
  78 MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR")
  79         .map_io = msm8960_map_io,
  80         .init_irq = msm8960_init_irq,
  81         .timer = &msm_timer,
  82         .init_machine = msm8960_sim_init,
  83 MACHINE_END
  84
  85 MACHINE_START(MSM8960_RUMI3, "QCT MSM8960 RUMI3")
  86         .map_io = msm8960_map_io,
  87         .init_irq = msm8960_init_irq,
  88         .timer = &msm_timer,
  89         .init_machine = msm8960_rumi3_init,
  90 MACHINE_END
  91