LXR linux/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
  33static void __init msm8960_map_io(void)
  34{
  35        msm_map_msm8960_io();
  36}
  37
  38static 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
  60static struct platform_device *sim_devices[] __initdata = {
  61        &msm8960_device_uart_gsbi2,
  62};
  63
  64static struct platform_device *rumi3_devices[] __initdata = {
  65        &msm8960_device_uart_gsbi5,
  66};
  67
  68static void __init msm8960_sim_init(void)
  69{
  70        platform_add_devices(sim_devices, ARRAY_SIZE(sim_devices));
  71}
  72
  73static void __init msm8960_rumi3_init(void)
  74{
  75        platform_add_devices(rumi3_devices, ARRAY_SIZE(rumi3_devices));
  76}
  77
  78MACHINE_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,
  83MACHINE_END
  84
  85MACHINE_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,
  90MACHINE_END
  91
  92