arch/arm/mach-shmobile/setup-sh7377.c

   1 /*
   2  * sh7377 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 /* SCIFA0 */
  36 static struct plat_sci_port scif0_platform_data = {
  37         .mapbase        = 0xe6c40000,
  38         .flags          = UPF_BOOT_AUTOCONF,
  39         .type           = PORT_SCIF,
  40         .irqs           = { evt2irq(0xc00), evt2irq(0xc00),
  41                             evt2irq(0xc00), evt2irq(0xc00) },
  42 };
  43
  44 static struct platform_device scif0_device = {
  45         .name           = "sh-sci",
  46         .id             = 0,
  47         .dev            = {
  48                 .platform_data  = &scif0_platform_data,
  49         },
  50 };
  51
  52 /* SCIFA1 */
  53 static struct plat_sci_port scif1_platform_data = {
  54         .mapbase        = 0xe6c50000,
  55         .flags          = UPF_BOOT_AUTOCONF,
  56         .type           = PORT_SCIF,
  57         .irqs           = { evt2irq(0xc20), evt2irq(0xc20),
  58                             evt2irq(0xc20), evt2irq(0xc20) },
  59 };
  60
  61 static struct platform_device scif1_device = {
  62         .name           = "sh-sci",
  63         .id             = 1,
  64         .dev            = {
  65                 .platform_data  = &scif1_platform_data,
  66         },
  67 };
  68
  69 /* SCIFA2 */
  70 static struct plat_sci_port scif2_platform_data = {
  71         .mapbase        = 0xe6c60000,
  72         .flags          = UPF_BOOT_AUTOCONF,
  73         .type           = PORT_SCIF,
  74         .irqs           = { evt2irq(0xc40), evt2irq(0xc40),
  75                             evt2irq(0xc40), evt2irq(0xc40) },
  76 };
  77
  78 static struct platform_device scif2_device = {
  79         .name           = "sh-sci",
  80         .id             = 2,
  81         .dev            = {
  82                 .platform_data  = &scif2_platform_data,
  83         },
  84 };
  85
  86 /* SCIFA3 */
  87 static struct plat_sci_port scif3_platform_data = {
  88         .mapbase        = 0xe6c70000,
  89         .flags          = UPF_BOOT_AUTOCONF,
  90         .type           = PORT_SCIF,
  91         .irqs           = { evt2irq(0xc60), evt2irq(0xc60),
  92                             evt2irq(0xc60), evt2irq(0xc60) },
  93 };
  94
  95 static struct platform_device scif3_device = {
  96         .name           = "sh-sci",
  97         .id             = 3,
  98         .dev            = {
  99                 .platform_data  = &scif3_platform_data,
 100         },
 101 };
 102
 103 /* SCIFA4 */
 104 static struct plat_sci_port scif4_platform_data = {
 105         .mapbase        = 0xe6c80000,
 106         .flags          = UPF_BOOT_AUTOCONF,
 107         .type           = PORT_SCIF,
 108         .irqs           = { evt2irq(0xd20), evt2irq(0xd20),
 109                             evt2irq(0xd20), evt2irq(0xd20) },
 110 };
 111
 112 static struct platform_device scif4_device = {
 113         .name           = "sh-sci",
 114         .id             = 4,
 115         .dev            = {
 116                 .platform_data  = &scif4_platform_data,
 117         },
 118 };
 119
 120 /* SCIFA5 */
 121 static struct plat_sci_port scif5_platform_data = {
 122         .mapbase        = 0xe6cb0000,
 123         .flags          = UPF_BOOT_AUTOCONF,
 124         .type           = PORT_SCIF,
 125         .irqs           = { evt2irq(0xd40), evt2irq(0xd40),
 126                             evt2irq(0xd40), evt2irq(0xd40) },
 127 };
 128
 129 static struct platform_device scif5_device = {
 130         .name           = "sh-sci",
 131         .id             = 5,
 132         .dev            = {
 133                 .platform_data  = &scif5_platform_data,
 134         },
 135 };
 136
 137 /* SCIFA6 */
 138 static struct plat_sci_port scif6_platform_data = {
 139         .mapbase        = 0xe6cc0000,
 140         .flags          = UPF_BOOT_AUTOCONF,
 141         .type           = PORT_SCIF,
 142         .irqs           = { intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80),
 143                             intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80) },
 144 };
 145
 146 static struct platform_device scif6_device = {
 147         .name           = "sh-sci",
 148         .id             = 6,
 149         .dev            = {
 150                 .platform_data  = &scif6_platform_data,
 151         },
 152 };
 153
 154 /* SCIFB */
 155 static struct plat_sci_port scif7_platform_data = {
 156         .mapbase        = 0xe6c30000,
 157         .flags          = UPF_BOOT_AUTOCONF,
 158         .type           = PORT_SCIF,
 159         .irqs           = { evt2irq(0xd60), evt2irq(0xd60),
 160                             evt2irq(0xd60), evt2irq(0xd60) },
 161 };
 162
 163 static struct platform_device scif7_device = {
 164         .name           = "sh-sci",
 165         .id             = 7,
 166         .dev            = {
 167                 .platform_data  = &scif7_platform_data,
 168         },
 169 };
 170
 171 static struct sh_timer_config cmt10_platform_data = {
 172         .name = "CMT10",
 173         .channel_offset = 0x10,
 174         .timer_bit = 0,
 175         .clockevent_rating = 125,
 176         .clocksource_rating = 125,
 177 };
 178
 179 static struct resource cmt10_resources[] = {
 180         [0] = {
 181                 .name   = "CMT10",
 182                 .start  = 0xe6138010,
 183                 .end    = 0xe613801b,
 184                 .flags  = IORESOURCE_MEM,
 185         },
 186         [1] = {
 187                 .start  = evt2irq(0xb00), /* CMT1_CMT10 */
 188                 .flags  = IORESOURCE_IRQ,
 189         },
 190 };
 191
 192 static struct platform_device cmt10_device = {
 193         .name           = "sh_cmt",
 194         .id             = 10,
 195         .dev = {
 196                 .platform_data  = &cmt10_platform_data,
 197         },
 198         .resource       = cmt10_resources,
 199         .num_resources  = ARRAY_SIZE(cmt10_resources),
 200 };
 201
 202 static struct platform_device *sh7377_early_devices[] __initdata = {
 203         &scif0_device,
 204         &scif1_device,
 205         &scif2_device,
 206         &scif3_device,
 207         &scif4_device,
 208         &scif5_device,
 209         &scif6_device,
 210         &scif7_device,
 211         &cmt10_device,
 212 };
 213
 214 void __init sh7377_add_standard_devices(void)
 215 {
 216         platform_add_devices(sh7377_early_devices,
 217                             ARRAY_SIZE(sh7377_early_devices));
 218 }
 219
 220 #define SMSTPCR3 0xe615013c
 221 #define SMSTPCR3_CMT1 (1 << 29)
 222
 223 void __init sh7377_add_early_devices(void)
 224 {
 225         /* enable clock to CMT1 */
 226         __raw_writel(__raw_readl(SMSTPCR3) & ~SMSTPCR3_CMT1, SMSTPCR3);
 227
 228         early_platform_add_devices(sh7377_early_devices,
 229                                    ARRAY_SIZE(sh7377_early_devices));
 230 }