arch/arm/mach-rk2818/board-midsdk.c

   1 /* linux/arch/arm/mach-rk2818/board-midsdk.c
   2  *
   3  * Copyright (C) 2010 ROCKCHIP, Inc.
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/input.h>
  20 #include <linux/io.h>
  21 #include <linux/delay.h>
  22 #include <linux/i2c.h>
  23 #include <linux/spi/spi.h>
  24
  25 #include <mach/hardware.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/flash.h>
  30
  31 #include <mach/irqs.h>
  32 #include <mach/board.h>
  33 #include <mach/rk2818_iomap.h>
  34 #include <mach/iomux.h>
  35 #include <mach/gpio.h>
  36
  37 #include <linux/mtd/nand.h>
  38 #include <linux/mtd/partitions.h>
  39
  40 #include "devices.h"
  41
  42
  43 /* --------------------------------------------------------------------
  44  *  ÉùÃ÷ÁËrk2818_gpioBankÊý×é£¬²¢¶¨ÒåÁËGPIO¼Ä´æÆ÷×éIDºÍ¼Ä´æÆ÷»ùµØÖ·¡£
  45  * -------------------------------------------------------------------- */
  46
  47 static struct rk2818_gpio_bank rk2818_gpioBank[] = {
  48                 {
  49                 .id             = RK2818_ID_PIOA,
  50                 .offset         = RK2818_GPIO0_BASE,
  51                 .clock          = NULL,
  52         },
  53                 {
  54                 .id             = RK2818_ID_PIOB,
  55                 .offset         = RK2818_GPIO0_BASE,
  56                 .clock          = NULL,
  57         },
  58                 {
  59                 .id             = RK2818_ID_PIOC,
  60                 .offset         = RK2818_GPIO0_BASE,
  61                 .clock          = NULL,
  62         },
  63                 {
  64                 .id             = RK2818_ID_PIOD,
  65                 .offset         = RK2818_GPIO0_BASE,
  66                 .clock          = NULL,
  67         },
  68                 {
  69                 .id             = RK2818_ID_PIOE,
  70                 .offset         = RK2818_GPIO1_BASE,
  71                 .clock          = NULL,
  72         },
  73                 {
  74                 .id             = RK2818_ID_PIOF,
  75                 .offset         = RK2818_GPIO1_BASE,
  76                 .clock          = NULL,
  77         },
  78                 {
  79                 .id             = RK2818_ID_PIOG,
  80                 .offset         = RK2818_GPIO1_BASE,
  81                 .clock          = NULL,
  82         },
  83                 {
  84                 .id             = RK2818_ID_PIOH,
  85                 .offset         = RK2818_GPIO1_BASE,
  86                 .clock          = NULL,
  87         }
  88 };
  89
  90 //IOÓ³Éä·½Ê½ÃèÊö £¬Ã¿¸öÎªÒ»¶ÎÏßÐÔÁ¬ÐøÓ³Éä
  91 static struct map_desc rk2818_io_desc[] __initdata = {
  92
  93         {
  94                 .virtual        = RK2818_MCDMA_BASE,                                    //ÐéÄâµØÖ·
  95                 .pfn            = __phys_to_pfn(RK2818_MCDMA_PHYS),    //ÎïÀíµØÖ·£¬ÐëÓëÒ³±í¶ÔÆë
  96                 .length         = RK2818_MCDMA_SIZE,                                                    //³¤¶È
  97                 .type           = MT_DEVICE                                                     //Ó³Éä·½Ê½
  98         },
  99
 100         {
 101                 .virtual        = RK2818_DWDMA_BASE,
 102                 .pfn            = __phys_to_pfn(RK2818_DWDMA_PHYS),
 103                 .length         = RK2818_DWDMA_SIZE,
 104                 .type           = MT_DEVICE
 105         },
 106
 107         {
 108                 .virtual        = RK2818_INTC_BASE,
 109                 .pfn            = __phys_to_pfn(RK2818_INTC_PHYS),
 110                 .length         = RK2818_INTC_SIZE,
 111                 .type           = MT_DEVICE
 112         },
 113
 114         {
 115                 .virtual        = RK2818_NANDC_BASE,
 116                 .pfn            = __phys_to_pfn(RK2818_NANDC_PHYS),
 117                 .length         = RK2818_NANDC_SIZE,
 118                 .type           = MT_DEVICE
 119         },
 120
 121         {
 122                 .virtual        = RK2818_SDRAMC_BASE,
 123                 .pfn            = __phys_to_pfn(RK2818_SDRAMC_PHYS),
 124                 .length         = RK2818_SDRAMC_SIZE,
 125                 .type           = MT_DEVICE
 126         },
 127
 128         {
 129                 .virtual        = RK2818_ARMDARBITER_BASE,
 130                 .pfn            = __phys_to_pfn(RK2818_ARMDARBITER_PHYS),
 131                 .length         = RK2818_ARMDARBITER_SIZE,
 132                 .type           = MT_DEVICE
 133         },
 134
 135         {
 136                 .virtual        = RK2818_APB_BASE,
 137                 .pfn            = __phys_to_pfn(RK2818_APB_PHYS),
 138                 .length         = 0xa0000,
 139                 .type           = MT_DEVICE
 140         },
 141
 142         {
 143                 .virtual        = RK2818_WDT_BASE,
 144                 .pfn            = __phys_to_pfn(RK2818_WDT_PHYS),
 145                 .length         = 0xa0000,                      ///apb bus i2s i2c spi no map in this
 146                 .type           = MT_DEVICE
 147         },
 148 };
 149
 150 /*****************************************************************************************
 151  * I2C devices
 152  *author: kfx
 153  *****************************************************************************************/
 154 static struct rk2818_i2c_platform_data default_i2c0_data __initdata = {
 155         .bus_num    = 0,
 156         .flags      = 0,
 157         .slave_addr = 0xff,
 158         .scl_rate  = 400*1000,
 159         .clk_id  = "i2c0",
 160 };
 161 static struct rk2818_i2c_platform_data default_i2c1_data __initdata = {
 162         .bus_num    = 1,
 163         .flags      = 0,
 164         .slave_addr = 0xff,
 165         .scl_rate  = 400*1000,
 166         .clk_id  = "i2c1",
 167 };
 168
 169 static struct i2c_board_info __initdata board_i2c0_devices[] = {
 170 #if defined (CONFIG_RK1000_CONTROL)
 171         {
 172                 .type                   = "rk1000_control",
 173                 .addr           = 0x40,
 174                 .flags                  = 0,
 175         },
 176 #endif
 177
 178 #if defined (CONFIG_RK1000_TVOUT)
 179         {
 180                 .type                   = "rk1000_tvout",
 181                 .addr           = 0x42,
 182                 .flags                  = 0,
 183         },
 184 #endif
 185 #if defined (CONFIG_SND_SOC_RK1000)
 186         {
 187                 .type                   = "rk1000_i2c_codec",
 188                 .addr           = 0x60,
 189                 .flags                  = 0,
 190         },
 191 #endif
 192         {}
 193 };
 194 static struct i2c_board_info __initdata board_i2c1_devices[] = {
 195 #if defined (CONFIG_RTC_HYM8563)
 196         {
 197                 .type                   = "rtc_hym8563",
 198                 .addr           = 0x51,
 199                 .flags                  = 0,
 200         },
 201 #endif
 202 #if defined (CONFIG_FM_QN8006)
 203         {
 204                 .type                   = "fm_qn8006",
 205                 .addr           = 0x2b,
 206                 .flags                  = 0,
 207         },
 208 #endif
 209         {}
 210 };
 211
 212 static void rk2818_i2c0_cfg_gpio(struct platform_device *dev)
 213 {
 214         rk2818_mux_api_set(GPIOE_I2C0_SEL_NAME, IOMUXA_I2C0);
 215 }
 216
 217 static void rk2818_i2c1_cfg_gpio(struct platform_device *dev)
 218 {
 219         rk2818_mux_api_set(GPIOE_U1IR_I2C1_NAME, IOMUXA_I2C1);
 220 }
 221
 222
 223 static void __init rk2818_i2c0_set_platdata(struct rk2818_i2c_platform_data *pd)
 224 {
 225         struct rk2818_i2c_platform_data *npd;
 226
 227         if (!pd)
 228                 pd = &default_i2c0_data;
 229
 230         npd = kmemdup(pd, sizeof(struct rk2818_i2c_platform_data), GFP_KERNEL);
 231         if (!npd)
 232                 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
 233         else if (!npd->cfg_gpio)
 234                 npd->cfg_gpio = rk2818_i2c0_cfg_gpio;
 235
 236         rk2818_device_i2c0.dev.platform_data = npd;
 237 }
 238 static void __init rk2818_i2c1_set_platdata(struct rk2818_i2c_platform_data *pd)
 239 {
 240         struct rk2818_i2c_platform_data *npd;
 241
 242         if (!pd)
 243                 pd = &default_i2c1_data;
 244
 245         npd = kmemdup(pd, sizeof(struct rk2818_i2c_platform_data), GFP_KERNEL);
 246         if (!npd)
 247                 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
 248         else if (!npd->cfg_gpio)
 249                 npd->cfg_gpio = rk2818_i2c1_cfg_gpio;
 250
 251         rk2818_device_i2c1.dev.platform_data = npd;
 252 }
 253
 254 static void __init rk2818_i2c_board_init(void)
 255 {
 256         rk2818_i2c0_set_platdata(NULL);
 257         rk2818_i2c1_set_platdata(NULL);
 258         i2c_register_board_info(0, board_i2c0_devices,
 259                         ARRAY_SIZE(board_i2c0_devices));
 260         i2c_register_board_info(1, board_i2c1_devices,
 261                         ARRAY_SIZE(board_i2c1_devices));
 262 }
 263 /*****************************************************************************************
 264  * SPI devices
 265  *author: lhh
 266  *****************************************************************************************/
 267 static struct spi_board_info board_spi_devices[] = {
 268         {       /* net chip */
 269                 .modalias       = "enc28j60",
 270                 .chip_select    = 1,
 271                 .max_speed_hz   = 12 * 1000 * 1000,
 272                 .bus_num        = 0,
 273                 .mode   = SPI_MODE_0,
 274         },
 275
 276         {
 277                 .modalias       = "xpt2046_ts",
 278                 .chip_select    = 0,
 279                 .max_speed_hz   = 1000000,
 280                 .bus_num        = 0,
 281                 .mode   = SPI_MODE_0,
 282         },
 283
 284 };
 285
 286 static struct platform_device *devices[] __initdata = {
 287         &rk2818_device_uart1,
 288         &rk2818_device_dm9k,
 289         &rk2818_device_spim,
 290 };
 291
 292 extern struct sys_timer rk2818_timer;
 293
 294 static void __init machine_rk2818_init_irq(void)
 295 {
 296         rk2818_init_irq();
 297         rk2818_gpio_init(rk2818_gpioBank, 8);
 298         rk2818_gpio_irq_setup();
 299 }
 300
 301 static void __init machine_rk2818_board_init(void)
 302 {
 303         rk2818_i2c_board_init();
 304         platform_add_devices(devices, ARRAY_SIZE(devices));
 305         spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
 306         rk2818_mux_api_set(GPIOB4_SPI0CS0_MMC0D4_NAME,IOMUXA_GPIO0_B4); //IOMUXA_SPI0_CSN0);//use for gpio SPI CS0
 307         rk2818_mux_api_set(GPIOB0_SPI0CSN1_MMC1PCA_NAME,IOMUXA_GPIO0_B0); //IOMUXA_SPI0_CSN1);//use for gpio SPI CS1
 308         rk2818_mux_api_set(GPIOB_SPI0_MMC0_NAME,IOMUXA_SPI0);//use for SPI CLK SDI SDO
 309 }
 310
 311 static void __init machine_rk2818_mapio(void)
 312 {
 313         iotable_init(rk2818_io_desc, ARRAY_SIZE(rk2818_io_desc));
 314         rk2818_clock_init();
 315         rk2818_iomux_init();
 316 }
 317
 318 MACHINE_START(RK2818, "rk2818midsdk")
 319
 320 /* UART for LL DEBUG */
 321         .phys_io        = 0x18002000,
 322         .io_pg_offst    = ((0xFF100000) >> 18) & 0xfffc,
 323         .boot_params    = RK2818_SDRAM_PHYS + 0x100,
 324         .map_io         = machine_rk2818_mapio,
 325         .init_irq       = machine_rk2818_init_irq,
 326         .init_machine   = machine_rk2818_board_init,
 327         .timer          = &rk2818_timer,
 328 MACHINE_END