arch/arm/mach-shmobile/board-mackerel.c

   1 /*
   2  * mackerel board support
   3  *
   4  * Copyright (C) 2010 Renesas Solutions Corp.
   5  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   6  *
   7  * based on ap4evb
   8  * Copyright (C) 2010  Magnus Damm
   9  * Copyright (C) 2008  Yoshihiro Shimoda
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; version 2 of the License.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  23  */
  24 #include <linux/kernel.h>
  25 #include <linux/init.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/irq.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/gpio.h>
  30 #include <linux/input.h>
  31 #include <linux/io.h>
  32 #include <linux/mtd/mtd.h>
  33 #include <linux/mtd/partitions.h>
  34 #include <linux/mtd/physmap.h>
  35 #include <linux/smsc911x.h>
  36
  37 #include <video/sh_mobile_lcdc.h>
  38
  39 #include <mach/common.h>
  40 #include <mach/sh7372.h>
  41
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/time.h>
  44 #include <asm/mach/map.h>
  45 #include <asm/mach-types.h>
  46
  47 /*
  48  * Address      Interface               BusWidth        note
  49  * ------------------------------------------------------------------
  50  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
  51  * 0x0800_0000  user area               -
  52  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
  53  * 0x1400_0000  Ether (LAN9220)         16bit
  54  * 0x1600_0000  user area               -               cannot use with NAND
  55  * 0x1800_0000  user area               -
  56  * 0x1A00_0000  -
  57  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
  58  */
  59
  60 /* MTD */
  61 static struct mtd_partition nor_flash_partitions[] = {
  62         {
  63                 .name           = "loader",
  64                 .offset         = 0x00000000,
  65                 .size           = 512 * 1024,
  66                 .mask_flags     = MTD_WRITEABLE,
  67         },
  68         {
  69                 .name           = "bootenv",
  70                 .offset         = MTDPART_OFS_APPEND,
  71                 .size           = 512 * 1024,
  72                 .mask_flags     = MTD_WRITEABLE,
  73         },
  74         {
  75                 .name           = "kernel_ro",
  76                 .offset         = MTDPART_OFS_APPEND,
  77                 .size           = 8 * 1024 * 1024,
  78                 .mask_flags     = MTD_WRITEABLE,
  79         },
  80         {
  81                 .name           = "kernel",
  82                 .offset         = MTDPART_OFS_APPEND,
  83                 .size           = 8 * 1024 * 1024,
  84         },
  85         {
  86                 .name           = "data",
  87                 .offset         = MTDPART_OFS_APPEND,
  88                 .size           = MTDPART_SIZ_FULL,
  89         },
  90 };
  91
  92 static struct physmap_flash_data nor_flash_data = {
  93         .width          = 2,
  94         .parts          = nor_flash_partitions,
  95         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  96 };
  97
  98 static struct resource nor_flash_resources[] = {
  99         [0]     = {
 100                 .start  = 0x00000000,
 101                 .end    = 0x08000000 - 1,
 102                 .flags  = IORESOURCE_MEM,
 103         }
 104 };
 105
 106 static struct platform_device nor_flash_device = {
 107         .name           = "physmap-flash",
 108         .dev            = {
 109                 .platform_data  = &nor_flash_data,
 110         },
 111         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 112         .resource       = nor_flash_resources,
 113 };
 114
 115 /* SMSC */
 116 static struct resource smc911x_resources[] = {
 117         {
 118                 .start  = 0x14000000,
 119                 .end    = 0x16000000 - 1,
 120                 .flags  = IORESOURCE_MEM,
 121         }, {
 122                 .start  = evt2irq(0x02c0) /* IRQ6A */,
 123                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 124         },
 125 };
 126
 127 static struct smsc911x_platform_config smsc911x_info = {
 128         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
 129         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 130         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 131 };
 132
 133 static struct platform_device smc911x_device = {
 134         .name           = "smsc911x",
 135         .id             = -1,
 136         .num_resources  = ARRAY_SIZE(smc911x_resources),
 137         .resource       = smc911x_resources,
 138         .dev            = {
 139                 .platform_data = &smsc911x_info,
 140         },
 141 };
 142
 143 /* LCDC */
 144 static struct fb_videomode mackerel_lcdc_modes[] = {
 145         {
 146                 .name           = "WVGA Panel",
 147                 .xres           = 800,
 148                 .yres           = 480,
 149                 .left_margin    = 220,
 150                 .right_margin   = 110,
 151                 .hsync_len      = 70,
 152                 .upper_margin   = 20,
 153                 .lower_margin   = 5,
 154                 .vsync_len      = 5,
 155                 .sync           = 0,
 156         },
 157 };
 158
 159 static struct sh_mobile_lcdc_info lcdc_info = {
 160         .clock_source = LCDC_CLK_BUS,
 161         .ch[0] = {
 162                 .chan = LCDC_CHAN_MAINLCD,
 163                 .bpp = 16,
 164                 .lcd_cfg = mackerel_lcdc_modes,
 165                 .num_cfg = ARRAY_SIZE(mackerel_lcdc_modes),
 166                 .interface_type         = RGB24,
 167                 .clock_divider          = 2,
 168                 .flags                  = 0,
 169                 .lcd_size_cfg.width     = 152,
 170                 .lcd_size_cfg.height    = 91,
 171         }
 172 };
 173
 174 static struct resource lcdc_resources[] = {
 175         [0] = {
 176                 .name   = "LCDC",
 177                 .start  = 0xfe940000,
 178                 .end    = 0xfe943fff,
 179                 .flags  = IORESOURCE_MEM,
 180         },
 181         [1] = {
 182                 .start  = intcs_evt2irq(0x580),
 183                 .flags  = IORESOURCE_IRQ,
 184         },
 185 };
 186
 187 static struct platform_device lcdc_device = {
 188         .name           = "sh_mobile_lcdc_fb",
 189         .num_resources  = ARRAY_SIZE(lcdc_resources),
 190         .resource       = lcdc_resources,
 191         .dev    = {
 192                 .platform_data  = &lcdc_info,
 193                 .coherent_dma_mask = ~0,
 194         },
 195 };
 196
 197 static struct platform_device *mackerel_devices[] __initdata = {
 198         &nor_flash_device,
 199         &smc911x_device,
 200         &lcdc_device,
 201 };
 202
 203 static struct map_desc mackerel_io_desc[] __initdata = {
 204         /* create a 1:1 entity map for 0xe6xxxxxx
 205          * used by CPGA, INTC and PFC.
 206          */
 207         {
 208                 .virtual        = 0xe6000000,
 209                 .pfn            = __phys_to_pfn(0xe6000000),
 210                 .length         = 256 << 20,
 211                 .type           = MT_DEVICE_NONSHARED
 212         },
 213 };
 214
 215 static void __init mackerel_map_io(void)
 216 {
 217         iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc));
 218
 219         /* setup early devices and console here as well */
 220         sh7372_add_early_devices();
 221         shmobile_setup_console();
 222 }
 223
 224 static void __init mackerel_init(void)
 225 {
 226         sh7372_pinmux_init();
 227
 228         /* enable SCIFA0 */
 229         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
 230         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
 231
 232         /* enable SMSC911X */
 233         gpio_request(GPIO_FN_CS5A,      NULL);
 234         gpio_request(GPIO_FN_IRQ6_39,   NULL);
 235
 236         /* LCDC */
 237         gpio_request(GPIO_FN_LCDD17,   NULL);
 238         gpio_request(GPIO_FN_LCDD16,   NULL);
 239         gpio_request(GPIO_FN_LCDD15,   NULL);
 240         gpio_request(GPIO_FN_LCDD14,   NULL);
 241         gpio_request(GPIO_FN_LCDD13,   NULL);
 242         gpio_request(GPIO_FN_LCDD12,   NULL);
 243         gpio_request(GPIO_FN_LCDD11,   NULL);
 244         gpio_request(GPIO_FN_LCDD10,   NULL);
 245         gpio_request(GPIO_FN_LCDD9,    NULL);
 246         gpio_request(GPIO_FN_LCDD8,    NULL);
 247         gpio_request(GPIO_FN_LCDD7,    NULL);
 248         gpio_request(GPIO_FN_LCDD6,    NULL);
 249         gpio_request(GPIO_FN_LCDD5,    NULL);
 250         gpio_request(GPIO_FN_LCDD4,    NULL);
 251         gpio_request(GPIO_FN_LCDD3,    NULL);
 252         gpio_request(GPIO_FN_LCDD2,    NULL);
 253         gpio_request(GPIO_FN_LCDD1,    NULL);
 254         gpio_request(GPIO_FN_LCDD0,    NULL);
 255         gpio_request(GPIO_FN_LCDDISP,  NULL);
 256         gpio_request(GPIO_FN_LCDDCK,   NULL);
 257
 258         gpio_request(GPIO_PORT31, NULL); /* backlight */
 259         gpio_direction_output(GPIO_PORT31, 1);
 260
 261         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
 262         gpio_direction_output(GPIO_PORT151, 1);
 263
 264
 265         sh7372_add_standard_devices();
 266
 267         platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
 268 }
 269
 270 static void __init mackerel_timer_init(void)
 271 {
 272         sh7372_clock_init();
 273         shmobile_timer.init();
 274 }
 275
 276 static struct sys_timer mackerel_timer = {
 277         .init           = mackerel_timer_init,
 278 };
 279
 280 MACHINE_START(MACKEREL, "mackerel")
 281         .map_io         = mackerel_map_io,
 282         .init_irq       = sh7372_init_irq,
 283         .init_machine   = mackerel_init,
 284         .timer          = &mackerel_timer,
 285 MACHINE_END