release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/jz4740/platform.c

   1 /*
   2  *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
   3  *  JZ4740 platform devices
   4  *
   5  *  This program is free software; you can redistribute it and/or modify it
   6  *  under  the terms of the GNU General  Public License as published by the
   7  *  Free Software Foundation;  either version 2 of the License, or (at your
   8  *  option) any later version.
   9  *
  10  *  You should have received a copy of the GNU General Public License along
  11  *  with this program; if not, write to the Free Software Foundation, Inc.,
  12  *  675 Mass Ave, Cambridge, MA 02139, USA.
  13  *
  14  */
  15
  16 #include <linux/device.h>
  17 #include <linux/init.h>
  18 #include <linux/kernel.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/resource.h>
  21
  22 #include <linux/dma-mapping.h>
  23
  24 #include <asm/mach-jz4740/platform.h>
  25 #include <asm/mach-jz4740/base.h>
  26 #include <asm/mach-jz4740/irq.h>
  27
  28 #include <linux/serial_core.h>
  29 #include <linux/serial_8250.h>
  30
  31 #include "serial.h"
  32 #include "clock.h"
  33
  34 /* OHCI controller */
  35 static struct resource jz4740_usb_ohci_resources[] = {
  36         {
  37                 .start  = JZ4740_UHC_BASE_ADDR,
  38                 .end    = JZ4740_UHC_BASE_ADDR + 0x1000 - 1,
  39                 .flags  = IORESOURCE_MEM,
  40         },
  41         {
  42                 .start  = JZ4740_IRQ_UHC,
  43                 .end    = JZ4740_IRQ_UHC,
  44                 .flags  = IORESOURCE_IRQ,
  45         },
  46 };
  47
  48 struct platform_device jz4740_usb_ohci_device = {
  49         .name           = "jz4740-ohci",
  50         .id             = -1,
  51         .dev = {
  52                 .dma_mask = &jz4740_usb_ohci_device.dev.coherent_dma_mask,
  53                 .coherent_dma_mask = DMA_BIT_MASK(32),
  54         },
  55         .num_resources  = ARRAY_SIZE(jz4740_usb_ohci_resources),
  56         .resource       = jz4740_usb_ohci_resources,
  57 };
  58
  59 /* UDC (USB gadget controller) */
  60 static struct resource jz4740_usb_gdt_resources[] = {
  61         {
  62                 .start  = JZ4740_UDC_BASE_ADDR,
  63                 .end    = JZ4740_UDC_BASE_ADDR + 0x1000 - 1,
  64                 .flags  = IORESOURCE_MEM,
  65         },
  66         {
  67                 .start  = JZ4740_IRQ_UDC,
  68                 .end    = JZ4740_IRQ_UDC,
  69                 .flags  = IORESOURCE_IRQ,
  70         },
  71 };
  72
  73 struct platform_device jz4740_udc_device = {
  74         .name           = "jz-udc",
  75         .id             = -1,
  76         .dev = {
  77                 .dma_mask = &jz4740_udc_device.dev.coherent_dma_mask,
  78                 .coherent_dma_mask = DMA_BIT_MASK(32),
  79         },
  80         .num_resources  = ARRAY_SIZE(jz4740_usb_gdt_resources),
  81         .resource       = jz4740_usb_gdt_resources,
  82 };
  83
  84 /* MMC/SD controller */
  85 static struct resource jz4740_mmc_resources[] = {
  86         {
  87                 .start  = JZ4740_MSC_BASE_ADDR,
  88                 .end    = JZ4740_MSC_BASE_ADDR + 0x1000 - 1,
  89                 .flags  = IORESOURCE_MEM,
  90         },
  91         {
  92                 .start  = JZ4740_IRQ_MSC,
  93                 .end    = JZ4740_IRQ_MSC,
  94                 .flags  = IORESOURCE_IRQ,
  95         }
  96 };
  97
  98 struct platform_device jz4740_mmc_device = {
  99         .name           = "jz4740-mmc",
 100         .id             = 0,
 101         .dev = {
 102                 .dma_mask = &jz4740_mmc_device.dev.coherent_dma_mask,
 103                 .coherent_dma_mask = DMA_BIT_MASK(32),
 104         },
 105         .num_resources  = ARRAY_SIZE(jz4740_mmc_resources),
 106         .resource       = jz4740_mmc_resources,
 107 };
 108
 109 /* RTC controller */
 110 static struct resource jz4740_rtc_resources[] = {
 111         {
 112                 .start  = JZ4740_RTC_BASE_ADDR,
 113                 .end    = JZ4740_RTC_BASE_ADDR + 0x38 - 1,
 114                 .flags  = IORESOURCE_MEM,
 115         },
 116         {
 117                 .start  = JZ4740_IRQ_RTC,
 118                 .end    = JZ4740_IRQ_RTC,
 119                 .flags  = IORESOURCE_IRQ,
 120         },
 121 };
 122
 123 struct platform_device jz4740_rtc_device = {
 124         .name           = "jz4740-rtc",
 125         .id             = -1,
 126         .num_resources  = ARRAY_SIZE(jz4740_rtc_resources),
 127         .resource       = jz4740_rtc_resources,
 128 };
 129
 130 /* I2C controller */
 131 static struct resource jz4740_i2c_resources[] = {
 132         {
 133                 .start  = JZ4740_I2C_BASE_ADDR,
 134                 .end    = JZ4740_I2C_BASE_ADDR + 0x1000 - 1,
 135                 .flags  = IORESOURCE_MEM,
 136         },
 137         {
 138                 .start  = JZ4740_IRQ_I2C,
 139                 .end    = JZ4740_IRQ_I2C,
 140                 .flags  = IORESOURCE_IRQ,
 141         }
 142 };
 143
 144 struct platform_device jz4740_i2c_device = {
 145         .name           = "jz4740-i2c",
 146         .id             = 0,
 147         .num_resources  = ARRAY_SIZE(jz4740_i2c_resources),
 148         .resource       = jz4740_i2c_resources,
 149 };
 150
 151 /* NAND controller */
 152 static struct resource jz4740_nand_resources[] = {
 153         {
 154                 .name   = "mmio",
 155                 .start  = JZ4740_EMC_BASE_ADDR,
 156                 .end    = JZ4740_EMC_BASE_ADDR + 0x1000 - 1,
 157                 .flags  = IORESOURCE_MEM,
 158         },
 159         {
 160                 .name   = "bank",
 161                 .start  = 0x18000000,
 162                 .end    = 0x180C0000 - 1,
 163                 .flags = IORESOURCE_MEM,
 164         },
 165 };
 166
 167 struct platform_device jz4740_nand_device = {
 168         .name = "jz4740-nand",
 169         .num_resources = ARRAY_SIZE(jz4740_nand_resources),
 170         .resource = jz4740_nand_resources,
 171 };
 172
 173 /* LCD controller */
 174 static struct resource jz4740_framebuffer_resources[] = {
 175         {
 176                 .start  = JZ4740_LCD_BASE_ADDR,
 177                 .end    = JZ4740_LCD_BASE_ADDR + 0x1000 - 1,
 178                 .flags  = IORESOURCE_MEM,
 179         },
 180 };
 181
 182 struct platform_device jz4740_framebuffer_device = {
 183         .name           = "jz4740-fb",
 184         .id             = -1,
 185         .num_resources  = ARRAY_SIZE(jz4740_framebuffer_resources),
 186         .resource       = jz4740_framebuffer_resources,
 187         .dev = {
 188                 .dma_mask = &jz4740_framebuffer_device.dev.coherent_dma_mask,
 189                 .coherent_dma_mask = DMA_BIT_MASK(32),
 190         },
 191 };
 192
 193 /* I2S controller */
 194 static struct resource jz4740_i2s_resources[] = {
 195         {
 196                 .start  = JZ4740_AIC_BASE_ADDR,
 197                 .end    = JZ4740_AIC_BASE_ADDR + 0x38 - 1,
 198                 .flags  = IORESOURCE_MEM,
 199         },
 200 };
 201
 202 struct platform_device jz4740_i2s_device = {
 203         .name           = "jz4740-i2s",
 204         .id             = -1,
 205         .num_resources  = ARRAY_SIZE(jz4740_i2s_resources),
 206         .resource       = jz4740_i2s_resources,
 207 };
 208
 209 /* PCM */
 210 struct platform_device jz4740_pcm_device = {
 211         .name           = "jz4740-pcm",
 212         .id             = -1,
 213 };
 214
 215 /* Codec */
 216 static struct resource jz4740_codec_resources[] = {
 217         {
 218                 .start  = JZ4740_AIC_BASE_ADDR + 0x80,
 219                 .end    = JZ4740_AIC_BASE_ADDR + 0x88 - 1,
 220                 .flags  = IORESOURCE_MEM,
 221         },
 222 };
 223
 224 struct platform_device jz4740_codec_device = {
 225         .name           = "jz4740-codec",
 226         .id             = -1,
 227         .num_resources  = ARRAY_SIZE(jz4740_codec_resources),
 228         .resource       = jz4740_codec_resources,
 229 };
 230
 231 /* ADC controller */
 232 static struct resource jz4740_adc_resources[] = {
 233         {
 234                 .start  = JZ4740_SADC_BASE_ADDR,
 235                 .end    = JZ4740_SADC_BASE_ADDR + 0x30,
 236                 .flags  = IORESOURCE_MEM,
 237         },
 238         {
 239                 .start  = JZ4740_IRQ_SADC,
 240                 .end    = JZ4740_IRQ_SADC,
 241                 .flags  = IORESOURCE_IRQ,
 242         },
 243         {
 244                 .start  = JZ4740_IRQ_ADC_BASE,
 245                 .end    = JZ4740_IRQ_ADC_BASE,
 246                 .flags  = IORESOURCE_IRQ,
 247         },
 248 };
 249
 250 struct platform_device jz4740_adc_device = {
 251         .name           = "jz4740-adc",
 252         .id             = -1,
 253         .num_resources  = ARRAY_SIZE(jz4740_adc_resources),
 254         .resource       = jz4740_adc_resources,
 255 };
 256
 257 /* Serial */
 258 #define JZ4740_UART_DATA(_id) \
 259         { \
 260                 .flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE, \
 261                 .iotype = UPIO_MEM, \
 262                 .regshift = 2, \
 263                 .serial_out = jz4740_serial_out, \
 264                 .type = PORT_16550, \
 265                 .mapbase = JZ4740_UART ## _id ## _BASE_ADDR, \
 266                 .irq = JZ4740_IRQ_UART ## _id, \
 267         }
 268
 269 static struct plat_serial8250_port jz4740_uart_data[] = {
 270         JZ4740_UART_DATA(0),
 271         JZ4740_UART_DATA(1),
 272         {},
 273 };
 274
 275 static struct platform_device jz4740_uart_device = {
 276         .name = "serial8250",
 277         .id = 0,
 278         .dev = {
 279                 .platform_data = jz4740_uart_data,
 280         },
 281 };
 282
 283 void jz4740_serial_device_register(void)
 284 {
 285         struct plat_serial8250_port *p;
 286
 287         for (p = jz4740_uart_data; p->flags != 0; ++p)
 288                 p->uartclk = jz4740_clock_bdata.ext_rate;
 289
 290         platform_device_register(&jz4740_uart_device);
 291 }