arch/arm/mach-shmobile/setup-sh7372.c

   1 /*
   2  * sh7372 processor support
   3  *
   4  * Copyright (C) 2010  Magnus Damm
   5  * Copyright (C) 2008  Yoshihiro Shimoda
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/irq.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/delay.h>
  26 #include <linux/input.h>
  27 #include <linux/io.h>
  28 #include <linux/serial_sci.h>
  29 #include <linux/sh_intc.h>
  30 #include <linux/sh_timer.h>
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34
  35 static struct plat_sci_port scif0_platform_data = {
  36         .mapbase        = 0xe6c40000,
  37         .flags          = UPF_BOOT_AUTOCONF,
  38         .type           = PORT_SCIF,
  39         .irqs           = { 80, 80, 80, 80 },
  40 };
  41
  42 static struct platform_device scif0_device = {
  43         .name           = "sh-sci",
  44         .id             = 0,
  45         .dev            = {
  46                 .platform_data  = &scif0_platform_data,
  47         },
  48 };
  49
  50 static struct plat_sci_port scif1_platform_data = {
  51         .mapbase        = 0xe6c50000,
  52         .flags          = UPF_BOOT_AUTOCONF,
  53         .type           = PORT_SCIF,
  54         .irqs           = { 81, 81, 81, 81 },
  55 };
  56
  57 static struct platform_device scif1_device = {
  58         .name           = "sh-sci",
  59         .id             = 1,
  60         .dev            = {
  61                 .platform_data  = &scif1_platform_data,
  62         },
  63 };
  64
  65 static struct plat_sci_port scif2_platform_data = {
  66         .mapbase        = 0xe6c60000,
  67         .flags          = UPF_BOOT_AUTOCONF,
  68         .type           = PORT_SCIF,
  69         .irqs           = { 82, 82, 82, 82 },
  70 };
  71
  72 static struct platform_device scif2_device = {
  73         .name           = "sh-sci",
  74         .id             = 2,
  75         .dev            = {
  76                 .platform_data  = &scif2_platform_data,
  77         },
  78 };
  79
  80 static struct plat_sci_port scif3_platform_data = {
  81         .mapbase        = 0xe6c70000,
  82         .flags          = UPF_BOOT_AUTOCONF,
  83         .type           = PORT_SCIF,
  84         .irqs           = { 83, 83, 83, 83 },
  85 };
  86
  87 static struct platform_device scif3_device = {
  88         .name           = "sh-sci",
  89         .id             = 3,
  90         .dev            = {
  91                 .platform_data  = &scif3_platform_data,
  92         },
  93 };
  94
  95 static struct plat_sci_port scif4_platform_data = {
  96         .mapbase        = 0xe6c80000,
  97         .flags          = UPF_BOOT_AUTOCONF,
  98         .type           = PORT_SCIF,
  99         .irqs           = { 89, 89, 89, 89 },
 100 };
 101
 102 static struct platform_device scif4_device = {
 103         .name           = "sh-sci",
 104         .id             = 4,
 105         .dev            = {
 106                 .platform_data  = &scif4_platform_data,
 107         },
 108 };
 109
 110 static struct plat_sci_port scif5_platform_data = {
 111         .mapbase        = 0xe6cb0000,
 112         .flags          = UPF_BOOT_AUTOCONF,
 113         .type           = PORT_SCIF,
 114         .irqs           = { 90, 90, 90, 90 },
 115 };
 116
 117 static struct platform_device scif5_device = {
 118         .name           = "sh-sci",
 119         .id             = 5,
 120         .dev            = {
 121                 .platform_data  = &scif5_platform_data,
 122         },
 123 };
 124
 125 static struct plat_sci_port scif6_platform_data = {
 126         .mapbase        = 0xe6c30000,
 127         .flags          = UPF_BOOT_AUTOCONF,
 128         .type           = PORT_SCIF,
 129         .irqs           = { 91, 91, 91, 91 },
 130 };
 131
 132 static struct platform_device scif6_device = {
 133         .name           = "sh-sci",
 134         .id             = 6,
 135         .dev            = {
 136                 .platform_data  = &scif6_platform_data,
 137         },
 138 };
 139
 140 static struct sh_timer_config cmt10_platform_data = {
 141         .name = "CMT10",
 142         .channel_offset = 0x10,
 143         .timer_bit = 0,
 144         .clk = "r_clk",
 145         .clockevent_rating = 125,
 146         .clocksource_rating = 125,
 147 };
 148
 149 static struct resource cmt10_resources[] = {
 150         [0] = {
 151                 .name   = "CMT10",
 152                 .start  = 0xe6138010,
 153                 .end    = 0xe613801b,
 154                 .flags  = IORESOURCE_MEM,
 155         },
 156         [1] = {
 157                 .start  = 72,
 158                 .flags  = IORESOURCE_IRQ,
 159         },
 160 };
 161
 162 static struct platform_device cmt10_device = {
 163         .name           = "sh_cmt",
 164         .id             = 10,
 165         .dev = {
 166                 .platform_data  = &cmt10_platform_data,
 167         },
 168         .resource       = cmt10_resources,
 169         .num_resources  = ARRAY_SIZE(cmt10_resources),
 170 };
 171
 172 static struct platform_device *sh7372_early_devices[] __initdata = {
 173         &scif0_device,
 174         &scif1_device,
 175         &scif2_device,
 176         &scif3_device,
 177         &scif4_device,
 178         &scif5_device,
 179         &scif6_device,
 180         &cmt10_device,
 181 };
 182
 183 void __init sh7372_add_standard_devices(void)
 184 {
 185         platform_add_devices(sh7372_early_devices,
 186                             ARRAY_SIZE(sh7372_early_devices));
 187 }
 188
 189 #define SMSTPCR3 0xe615013c
 190 #define SMSTPCR3_CMT1 (1 << 29)
 191
 192 void __init sh7372_add_early_devices(void)
 193 {
 194         /* enable clock to CMT1 */
 195         __raw_writel(__raw_readl(SMSTPCR3) & ~SMSTPCR3_CMT1, SMSTPCR3);
 196
 197         early_platform_add_devices(sh7372_early_devices,
 198                                    ARRAY_SIZE(sh7372_early_devices));
 199 }