arch/arm/mach-omap2/board-4430sdp.c

   1 /*
   2  * Board support file for OMAP4430 SDP.
   3  *
   4  * Copyright (C) 2009 Texas Instruments
   5  *
   6  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
   7  *
   8  * Based on mach-omap2/board-3430sdp.c
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/io.h>
  19 #include <linux/gpio.h>
  20 #include <linux/usb/otg.h>
  21
  22 #include <mach/hardware.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26
  27 #include <plat/board.h>
  28 #include <plat/common.h>
  29 #include <plat/control.h>
  30 #include <plat/timer-gp.h>
  31 #include <plat/usb.h>
  32 #include <asm/hardware/gic.h>
  33 #include <asm/hardware/cache-l2x0.h>
  34
  35 static struct platform_device sdp4430_lcd_device = {
  36         .name           = "sdp4430_lcd",
  37         .id             = -1,
  38 };
  39
  40 static struct platform_device *sdp4430_devices[] __initdata = {
  41         &sdp4430_lcd_device,
  42 };
  43
  44 static struct omap_lcd_config sdp4430_lcd_config __initdata = {
  45         .ctrl_name      = "internal",
  46 };
  47
  48 static struct omap_board_config_kernel sdp4430_config[] __initdata = {
  49         { OMAP_TAG_LCD,         &sdp4430_lcd_config },
  50 };
  51
  52 #ifdef CONFIG_CACHE_L2X0
  53 static int __init omap_l2_cache_init(void)
  54 {
  55         extern void omap_smc1(u32 fn, u32 arg);
  56         void __iomem *l2cache_base;
  57
  58         /* To avoid code running on other OMAPs in
  59          * multi-omap builds
  60          */
  61         if (!cpu_is_omap44xx())
  62                 return -ENODEV;
  63
  64         /* Static mapping, never released */
  65         l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
  66         BUG_ON(!l2cache_base);
  67
  68         /* Enable PL310 L2 Cache controller */
  69         omap_smc1(0x102, 0x1);
  70
  71         /* 32KB way size, 16-way associativity,
  72         * parity disabled
  73         */
  74         l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
  75
  76         return 0;
  77 }
  78 early_initcall(omap_l2_cache_init);
  79 #endif
  80
  81 static void __init gic_init_irq(void)
  82 {
  83         void __iomem *base;
  84
  85         /* Static mapping, never released */
  86         base = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K);
  87         BUG_ON(!base);
  88         gic_dist_init(0, base, 29);
  89
  90         /* Static mapping, never released */
  91         gic_cpu_base_addr = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512);
  92         BUG_ON(!gic_cpu_base_addr);
  93         gic_cpu_init(0, gic_cpu_base_addr);
  94 }
  95
  96 static void __init omap_4430sdp_init_irq(void)
  97 {
  98         omap_board_config = sdp4430_config;
  99         omap_board_config_size = ARRAY_SIZE(sdp4430_config);
 100         omap2_init_common_hw(NULL, NULL);
 101 #ifdef CONFIG_OMAP_32K_TIMER
 102         omap2_gp_clockevent_set_gptimer(1);
 103 #endif
 104         gic_init_irq();
 105         omap_gpio_init();
 106 }
 107
 108 static struct omap_musb_board_data musb_board_data = {
 109         .interface_type         = MUSB_INTERFACE_UTMI,
 110         .mode                   = MUSB_PERIPHERAL,
 111         .power                  = 100,
 112 };
 113
 114 static void __init omap_4430sdp_init(void)
 115 {
 116         platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
 117         omap_serial_init();
 118         /* OMAP4 SDP uses internal transceiver so register nop transceiver */
 119         usb_nop_xceiv_register();
 120         /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
 121         if (!cpu_is_omap44xx())
 122                 usb_musb_init(&musb_board_data);
 123 }
 124
 125 static void __init omap_4430sdp_map_io(void)
 126 {
 127         omap2_set_globals_443x();
 128         omap44xx_map_common_io();
 129 }
 130
 131 MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
 132         /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
 133         .phys_io        = 0x48000000,
 134         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 135         .boot_params    = 0x80000100,
 136         .map_io         = omap_4430sdp_map_io,
 137         .init_irq       = omap_4430sdp_init_irq,
 138         .init_machine   = omap_4430sdp_init,
 139         .timer          = &omap_timer,
 140 MACHINE_END