root/arch/sh/boards/mach-ap325rxa/setup.c

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DEFINITIONS

This source file includes following definitions.
  1. ap320_wvga_set_brightness
  2. ap320_wvga_power_on
  3. ap320_wvga_power_off
  4. ap325rxa_devices_setup
  5. ap325rxa_mode_pins
  6. ap325rxa_mv_mem_reserve

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Renesas - AP-325RXA
   4  * (Compatible with Algo System ., LTD. - AP-320A)
   5  *
   6  * Copyright (C) 2008 Renesas Solutions Corp.
   7  * Author : Yusuke Goda <goda.yuske@renesas.com>
   8  */
   9 
  10 #include <asm/clock.h>
  11 #include <asm/io.h>
  12 #include <asm/suspend.h>
  13 
  14 #include <cpu/sh7723.h>
  15 
  16 #include <linux/clkdev.h>
  17 #include <linux/delay.h>
  18 #include <linux/device.h>
  19 #include <linux/gpio.h>
  20 #include <linux/gpio/machine.h>
  21 #include <linux/i2c.h>
  22 #include <linux/init.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/memblock.h>
  25 #include <linux/mfd/tmio.h>
  26 #include <linux/mmc/host.h>
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/mtd/sh_flctl.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/regulator/fixed.h>
  31 #include <linux/regulator/machine.h>
  32 #include <linux/sh_intc.h>
  33 #include <linux/smsc911x.h>
  34 #include <linux/videodev2.h>
  35 
  36 #include <media/drv-intf/renesas-ceu.h>
  37 #include <media/i2c/ov772x.h>
  38 
  39 #include <video/sh_mobile_lcdc.h>
  40 
  41 #define CEU_BUFFER_MEMORY_SIZE          (4 << 20)
  42 static phys_addr_t ceu_dma_membase;
  43 
  44 /* Dummy supplies, where voltage doesn't matter */
  45 static struct regulator_consumer_supply dummy_supplies[] = {
  46         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  47         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  48 };
  49 
  50 static struct smsc911x_platform_config smsc911x_config = {
  51         .phy_interface  = PHY_INTERFACE_MODE_MII,
  52         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  53         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  54         .flags          = SMSC911X_USE_32BIT,
  55 };
  56 
  57 static struct resource smsc9118_resources[] = {
  58         [0] = {
  59                 .start  = 0xb6080000,
  60                 .end    = 0xb60fffff,
  61                 .flags  = IORESOURCE_MEM,
  62         },
  63         [1] = {
  64                 .start  = evt2irq(0x660),
  65                 .end    = evt2irq(0x660),
  66                 .flags  = IORESOURCE_IRQ,
  67         }
  68 };
  69 
  70 static struct platform_device smsc9118_device = {
  71         .name           = "smsc911x",
  72         .id             = -1,
  73         .num_resources  = ARRAY_SIZE(smsc9118_resources),
  74         .resource       = smsc9118_resources,
  75         .dev            = {
  76                 .platform_data = &smsc911x_config,
  77         },
  78 };
  79 
  80 /*
  81  * AP320 and AP325RXA has CPLD data in NOR Flash(0xA80000-0xABFFFF).
  82  * If this area erased, this board can not boot.
  83  */
  84 static struct mtd_partition ap325rxa_nor_flash_partitions[] = {
  85         {
  86                 .name = "uboot",
  87                 .offset = 0,
  88                 .size = (1 * 1024 * 1024),
  89                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  90         }, {
  91                 .name = "kernel",
  92                 .offset = MTDPART_OFS_APPEND,
  93                 .size = (2 * 1024 * 1024),
  94         }, {
  95                 .name = "free-area0",
  96                 .offset = MTDPART_OFS_APPEND,
  97                 .size = ((7 * 1024 * 1024) + (512 * 1024)),
  98         }, {
  99                 .name = "CPLD-Data",
 100                 .offset = MTDPART_OFS_APPEND,
 101                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
 102                 .size = (1024 * 128 * 2),
 103         }, {
 104                 .name = "free-area1",
 105                 .offset = MTDPART_OFS_APPEND,
 106                 .size = MTDPART_SIZ_FULL,
 107         },
 108 };
 109 
 110 static struct physmap_flash_data ap325rxa_nor_flash_data = {
 111         .width          = 2,
 112         .parts          = ap325rxa_nor_flash_partitions,
 113         .nr_parts       = ARRAY_SIZE(ap325rxa_nor_flash_partitions),
 114 };
 115 
 116 static struct resource ap325rxa_nor_flash_resources[] = {
 117         [0] = {
 118                 .name   = "NOR Flash",
 119                 .start  = 0x00000000,
 120                 .end    = 0x00ffffff,
 121                 .flags  = IORESOURCE_MEM,
 122         }
 123 };
 124 
 125 static struct platform_device ap325rxa_nor_flash_device = {
 126         .name           = "physmap-flash",
 127         .resource       = ap325rxa_nor_flash_resources,
 128         .num_resources  = ARRAY_SIZE(ap325rxa_nor_flash_resources),
 129         .dev            = {
 130                 .platform_data = &ap325rxa_nor_flash_data,
 131         },
 132 };
 133 
 134 static struct mtd_partition nand_partition_info[] = {
 135         {
 136                 .name   = "nand_data",
 137                 .offset = 0,
 138                 .size   = MTDPART_SIZ_FULL,
 139         },
 140 };
 141 
 142 static struct resource nand_flash_resources[] = {
 143         [0] = {
 144                 .start  = 0xa4530000,
 145                 .end    = 0xa45300ff,
 146                 .flags  = IORESOURCE_MEM,
 147         }
 148 };
 149 
 150 static struct sh_flctl_platform_data nand_flash_data = {
 151         .parts          = nand_partition_info,
 152         .nr_parts       = ARRAY_SIZE(nand_partition_info),
 153         .flcmncr_val    = FCKSEL_E | TYPESEL_SET | NANWF_E,
 154         .has_hwecc      = 1,
 155 };
 156 
 157 static struct platform_device nand_flash_device = {
 158         .name           = "sh_flctl",
 159         .resource       = nand_flash_resources,
 160         .num_resources  = ARRAY_SIZE(nand_flash_resources),
 161         .dev            = {
 162                 .platform_data = &nand_flash_data,
 163         },
 164 };
 165 
 166 #define FPGA_LCDREG     0xB4100180
 167 #define FPGA_BKLREG     0xB4100212
 168 #define FPGA_LCDREG_VAL 0x0018
 169 #define PORT_MSELCRB    0xA4050182
 170 #define PORT_HIZCRC     0xA405015C
 171 #define PORT_DRVCRA     0xA405018A
 172 #define PORT_DRVCRB     0xA405018C
 173 
 174 static int ap320_wvga_set_brightness(int brightness)
 175 {
 176         if (brightness) {
 177                 gpio_set_value(GPIO_PTS3, 0);
 178                 __raw_writew(0x100, FPGA_BKLREG);
 179         } else {
 180                 __raw_writew(0, FPGA_BKLREG);
 181                 gpio_set_value(GPIO_PTS3, 1);
 182         }
 183 
 184         return 0;
 185 }
 186 
 187 static void ap320_wvga_power_on(void)
 188 {
 189         msleep(100);
 190 
 191         /* ASD AP-320/325 LCD ON */
 192         __raw_writew(FPGA_LCDREG_VAL, FPGA_LCDREG);
 193 }
 194 
 195 static void ap320_wvga_power_off(void)
 196 {
 197         /* ASD AP-320/325 LCD OFF */
 198         __raw_writew(0, FPGA_LCDREG);
 199 }
 200 
 201 static const struct fb_videomode ap325rxa_lcdc_modes[] = {
 202         {
 203                 .name = "LB070WV1",
 204                 .xres = 800,
 205                 .yres = 480,
 206                 .left_margin = 32,
 207                 .right_margin = 160,
 208                 .hsync_len = 8,
 209                 .upper_margin = 63,
 210                 .lower_margin = 80,
 211                 .vsync_len = 1,
 212                 .sync = 0, /* hsync and vsync are active low */
 213         },
 214 };
 215 
 216 static struct sh_mobile_lcdc_info lcdc_info = {
 217         .clock_source = LCDC_CLK_EXTERNAL,
 218         .ch[0] = {
 219                 .chan = LCDC_CHAN_MAINLCD,
 220                 .fourcc = V4L2_PIX_FMT_RGB565,
 221                 .interface_type = RGB18,
 222                 .clock_divider = 1,
 223                 .lcd_modes = ap325rxa_lcdc_modes,
 224                 .num_modes = ARRAY_SIZE(ap325rxa_lcdc_modes),
 225                 .panel_cfg = {
 226                         .width = 152,   /* 7.0 inch */
 227                         .height = 91,
 228                         .display_on = ap320_wvga_power_on,
 229                         .display_off = ap320_wvga_power_off,
 230                 },
 231                 .bl_info = {
 232                         .name = "sh_mobile_lcdc_bl",
 233                         .max_brightness = 1,
 234                         .set_brightness = ap320_wvga_set_brightness,
 235                 },
 236         }
 237 };
 238 
 239 static struct resource lcdc_resources[] = {
 240         [0] = {
 241                 .name   = "LCDC",
 242                 .start  = 0xfe940000, /* P4-only space */
 243                 .end    = 0xfe942fff,
 244                 .flags  = IORESOURCE_MEM,
 245         },
 246         [1] = {
 247                 .start  = evt2irq(0x580),
 248                 .flags  = IORESOURCE_IRQ,
 249         },
 250 };
 251 
 252 static struct platform_device lcdc_device = {
 253         .name           = "sh_mobile_lcdc_fb",
 254         .num_resources  = ARRAY_SIZE(lcdc_resources),
 255         .resource       = lcdc_resources,
 256         .dev            = {
 257                 .platform_data  = &lcdc_info,
 258         },
 259 };
 260 
 261 /* Powerdown/reset gpios for CEU image sensors */
 262 static struct gpiod_lookup_table ov7725_gpios = {
 263         .dev_id         = "0-0021",
 264         .table          = {
 265                 GPIO_LOOKUP("sh7723_pfc", GPIO_PTZ5, "reset", GPIO_ACTIVE_LOW),
 266         },
 267 };
 268 
 269 static struct ceu_platform_data ceu0_pdata = {
 270         .num_subdevs                    = 1,
 271         .subdevs = {
 272                 { /* [0] = ov7725  */
 273                         .flags          = 0,
 274                         .bus_width      = 8,
 275                         .bus_shift      = 0,
 276                         .i2c_adapter_id = 0,
 277                         .i2c_address    = 0x21,
 278                 },
 279         },
 280 };
 281 
 282 static struct resource ceu_resources[] = {
 283         [0] = {
 284                 .name   = "CEU",
 285                 .start  = 0xfe910000,
 286                 .end    = 0xfe91009f,
 287                 .flags  = IORESOURCE_MEM,
 288         },
 289         [1] = {
 290                 .start  = evt2irq(0x880),
 291                 .flags  = IORESOURCE_IRQ,
 292         },
 293 };
 294 
 295 static struct platform_device ap325rxa_ceu_device = {
 296         .name           = "renesas-ceu",
 297         .id             = 0, /* "ceu.0" clock */
 298         .num_resources  = ARRAY_SIZE(ceu_resources),
 299         .resource       = ceu_resources,
 300         .dev            = {
 301                 .platform_data  = &ceu0_pdata,
 302         },
 303 };
 304 
 305 /* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */
 306 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
 307 {
 308         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
 309         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
 310         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
 311         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
 312 };
 313 
 314 static struct resource sdhi0_cn3_resources[] = {
 315         [0] = {
 316                 .name   = "SDHI0",
 317                 .start  = 0x04ce0000,
 318                 .end    = 0x04ce00ff,
 319                 .flags  = IORESOURCE_MEM,
 320         },
 321         [1] = {
 322                 .start  = evt2irq(0xe80),
 323                 .flags  = IORESOURCE_IRQ,
 324         },
 325 };
 326 
 327 static struct tmio_mmc_data sdhi0_cn3_data = {
 328         .capabilities   = MMC_CAP_SDIO_IRQ,
 329 };
 330 
 331 static struct platform_device sdhi0_cn3_device = {
 332         .name           = "sh_mobile_sdhi",
 333         .id             = 0, /* "sdhi0" clock */
 334         .num_resources  = ARRAY_SIZE(sdhi0_cn3_resources),
 335         .resource       = sdhi0_cn3_resources,
 336         .dev = {
 337                 .platform_data = &sdhi0_cn3_data,
 338         },
 339 };
 340 
 341 static struct resource sdhi1_cn7_resources[] = {
 342         [0] = {
 343                 .name   = "SDHI1",
 344                 .start  = 0x04cf0000,
 345                 .end    = 0x04cf00ff,
 346                 .flags  = IORESOURCE_MEM,
 347         },
 348         [1] = {
 349                 .start  = evt2irq(0x4e0),
 350                 .flags  = IORESOURCE_IRQ,
 351         },
 352 };
 353 
 354 static struct tmio_mmc_data sdhi1_cn7_data = {
 355         .capabilities   = MMC_CAP_SDIO_IRQ,
 356 };
 357 
 358 static struct platform_device sdhi1_cn7_device = {
 359         .name           = "sh_mobile_sdhi",
 360         .id             = 1, /* "sdhi1" clock */
 361         .num_resources  = ARRAY_SIZE(sdhi1_cn7_resources),
 362         .resource       = sdhi1_cn7_resources,
 363         .dev = {
 364                 .platform_data = &sdhi1_cn7_data,
 365         },
 366 };
 367 
 368 static struct ov772x_camera_info ov7725_info = {
 369         .flags          = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
 370         .edgectrl       = OV772X_AUTO_EDGECTRL(0xf, 0),
 371 };
 372 
 373 static struct i2c_board_info ap325rxa_i2c_devices[] __initdata = {
 374         {
 375                 I2C_BOARD_INFO("pcf8563", 0x51),
 376         },
 377         {
 378                 I2C_BOARD_INFO("ov772x", 0x21),
 379                 .platform_data = &ov7725_info,
 380         },
 381 };
 382 
 383 static struct platform_device *ap325rxa_devices[] __initdata = {
 384         &smsc9118_device,
 385         &ap325rxa_nor_flash_device,
 386         &lcdc_device,
 387         &nand_flash_device,
 388         &sdhi0_cn3_device,
 389         &sdhi1_cn7_device,
 390 };
 391 
 392 extern char ap325rxa_sdram_enter_start;
 393 extern char ap325rxa_sdram_enter_end;
 394 extern char ap325rxa_sdram_leave_start;
 395 extern char ap325rxa_sdram_leave_end;
 396 
 397 static int __init ap325rxa_devices_setup(void)
 398 {
 399         /* register board specific self-refresh code */
 400         sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
 401                                         &ap325rxa_sdram_enter_start,
 402                                         &ap325rxa_sdram_enter_end,
 403                                         &ap325rxa_sdram_leave_start,
 404                                         &ap325rxa_sdram_leave_end);
 405 
 406         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 407                                      ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 408         regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 409 
 410         /* LD3 and LD4 LEDs */
 411         gpio_request(GPIO_PTX5, NULL); /* RUN */
 412         gpio_direction_output(GPIO_PTX5, 1);
 413         gpio_export(GPIO_PTX5, 0);
 414 
 415         gpio_request(GPIO_PTX4, NULL); /* INDICATOR */
 416         gpio_direction_output(GPIO_PTX4, 0);
 417         gpio_export(GPIO_PTX4, 0);
 418 
 419         /* SW1 input */
 420         gpio_request(GPIO_PTF7, NULL); /* MODE */
 421         gpio_direction_input(GPIO_PTF7);
 422         gpio_export(GPIO_PTF7, 0);
 423 
 424         /* LCDC */
 425         gpio_request(GPIO_FN_LCDD15, NULL);
 426         gpio_request(GPIO_FN_LCDD14, NULL);
 427         gpio_request(GPIO_FN_LCDD13, NULL);
 428         gpio_request(GPIO_FN_LCDD12, NULL);
 429         gpio_request(GPIO_FN_LCDD11, NULL);
 430         gpio_request(GPIO_FN_LCDD10, NULL);
 431         gpio_request(GPIO_FN_LCDD9, NULL);
 432         gpio_request(GPIO_FN_LCDD8, NULL);
 433         gpio_request(GPIO_FN_LCDD7, NULL);
 434         gpio_request(GPIO_FN_LCDD6, NULL);
 435         gpio_request(GPIO_FN_LCDD5, NULL);
 436         gpio_request(GPIO_FN_LCDD4, NULL);
 437         gpio_request(GPIO_FN_LCDD3, NULL);
 438         gpio_request(GPIO_FN_LCDD2, NULL);
 439         gpio_request(GPIO_FN_LCDD1, NULL);
 440         gpio_request(GPIO_FN_LCDD0, NULL);
 441         gpio_request(GPIO_FN_LCDLCLK_PTR, NULL);
 442         gpio_request(GPIO_FN_LCDDCK, NULL);
 443         gpio_request(GPIO_FN_LCDVEPWC, NULL);
 444         gpio_request(GPIO_FN_LCDVCPWC, NULL);
 445         gpio_request(GPIO_FN_LCDVSYN, NULL);
 446         gpio_request(GPIO_FN_LCDHSYN, NULL);
 447         gpio_request(GPIO_FN_LCDDISP, NULL);
 448         gpio_request(GPIO_FN_LCDDON, NULL);
 449 
 450         /* LCD backlight */
 451         gpio_request(GPIO_PTS3, NULL);
 452         gpio_direction_output(GPIO_PTS3, 1);
 453 
 454         /* CEU */
 455         gpio_request(GPIO_FN_VIO_CLK2, NULL);
 456         gpio_request(GPIO_FN_VIO_VD2, NULL);
 457         gpio_request(GPIO_FN_VIO_HD2, NULL);
 458         gpio_request(GPIO_FN_VIO_FLD, NULL);
 459         gpio_request(GPIO_FN_VIO_CKO, NULL);
 460         gpio_request(GPIO_FN_VIO_D15, NULL);
 461         gpio_request(GPIO_FN_VIO_D14, NULL);
 462         gpio_request(GPIO_FN_VIO_D13, NULL);
 463         gpio_request(GPIO_FN_VIO_D12, NULL);
 464         gpio_request(GPIO_FN_VIO_D11, NULL);
 465         gpio_request(GPIO_FN_VIO_D10, NULL);
 466         gpio_request(GPIO_FN_VIO_D9, NULL);
 467         gpio_request(GPIO_FN_VIO_D8, NULL);
 468 
 469         gpio_request(GPIO_PTZ7, NULL);
 470         gpio_direction_output(GPIO_PTZ7, 0); /* OE_CAM */
 471         gpio_request(GPIO_PTZ6, NULL);
 472         gpio_direction_output(GPIO_PTZ6, 0); /* STBY_CAM */
 473         gpio_request(GPIO_PTZ5, NULL);
 474         gpio_direction_output(GPIO_PTZ5, 0); /* RST_CAM */
 475         gpio_request(GPIO_PTZ4, NULL);
 476         gpio_direction_output(GPIO_PTZ4, 0); /* SADDR */
 477 
 478         __raw_writew(__raw_readw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB);
 479 
 480         /* FLCTL */
 481         gpio_request(GPIO_FN_FCE, NULL);
 482         gpio_request(GPIO_FN_NAF7, NULL);
 483         gpio_request(GPIO_FN_NAF6, NULL);
 484         gpio_request(GPIO_FN_NAF5, NULL);
 485         gpio_request(GPIO_FN_NAF4, NULL);
 486         gpio_request(GPIO_FN_NAF3, NULL);
 487         gpio_request(GPIO_FN_NAF2, NULL);
 488         gpio_request(GPIO_FN_NAF1, NULL);
 489         gpio_request(GPIO_FN_NAF0, NULL);
 490         gpio_request(GPIO_FN_FCDE, NULL);
 491         gpio_request(GPIO_FN_FOE, NULL);
 492         gpio_request(GPIO_FN_FSC, NULL);
 493         gpio_request(GPIO_FN_FWE, NULL);
 494         gpio_request(GPIO_FN_FRB, NULL);
 495 
 496         __raw_writew(0, PORT_HIZCRC);
 497         __raw_writew(0xFFFF, PORT_DRVCRA);
 498         __raw_writew(0xFFFF, PORT_DRVCRB);
 499 
 500         /* SDHI0 - CN3 - SD CARD */
 501         gpio_request(GPIO_FN_SDHI0CD_PTD, NULL);
 502         gpio_request(GPIO_FN_SDHI0WP_PTD, NULL);
 503         gpio_request(GPIO_FN_SDHI0D3_PTD, NULL);
 504         gpio_request(GPIO_FN_SDHI0D2_PTD, NULL);
 505         gpio_request(GPIO_FN_SDHI0D1_PTD, NULL);
 506         gpio_request(GPIO_FN_SDHI0D0_PTD, NULL);
 507         gpio_request(GPIO_FN_SDHI0CMD_PTD, NULL);
 508         gpio_request(GPIO_FN_SDHI0CLK_PTD, NULL);
 509 
 510         /* SDHI1 - CN7 - MICRO SD CARD */
 511         gpio_request(GPIO_FN_SDHI1CD, NULL);
 512         gpio_request(GPIO_FN_SDHI1D3, NULL);
 513         gpio_request(GPIO_FN_SDHI1D2, NULL);
 514         gpio_request(GPIO_FN_SDHI1D1, NULL);
 515         gpio_request(GPIO_FN_SDHI1D0, NULL);
 516         gpio_request(GPIO_FN_SDHI1CMD, NULL);
 517         gpio_request(GPIO_FN_SDHI1CLK, NULL);
 518 
 519         /* Add a clock alias for ov7725 xclk source. */
 520         clk_add_alias(NULL, "0-0021", "video_clk", NULL);
 521 
 522         /* Register RSTB gpio for ov7725 camera sensor. */
 523         gpiod_add_lookup_table(&ov7725_gpios);
 524 
 525         i2c_register_board_info(0, ap325rxa_i2c_devices,
 526                                 ARRAY_SIZE(ap325rxa_i2c_devices));
 527 
 528         /* Initialize CEU platform device separately to map memory first */
 529         device_initialize(&ap325rxa_ceu_device.dev);
 530         dma_declare_coherent_memory(&ap325rxa_ceu_device.dev,
 531                         ceu_dma_membase, ceu_dma_membase,
 532                         ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1);
 533 
 534         platform_device_add(&ap325rxa_ceu_device);
 535 
 536         return platform_add_devices(ap325rxa_devices,
 537                                 ARRAY_SIZE(ap325rxa_devices));
 538 }
 539 arch_initcall(ap325rxa_devices_setup);
 540 
 541 /* Return the board specific boot mode pin configuration */
 542 static int ap325rxa_mode_pins(void)
 543 {
 544         /* MD0=0, MD1=0, MD2=0: Clock Mode 0
 545          * MD3=0: 16-bit Area0 Bus Width
 546          * MD5=1: Little Endian
 547          * TSTMD=1, MD8=1: Test Mode Disabled
 548          */
 549         return MODE_PIN5 | MODE_PIN8;
 550 }
 551 
 552 /* Reserve a portion of memory for CEU buffers */
 553 static void __init ap325rxa_mv_mem_reserve(void)
 554 {
 555         phys_addr_t phys;
 556         phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 557 
 558         phys = memblock_phys_alloc(size, PAGE_SIZE);
 559         if (!phys)
 560                 panic("Failed to allocate CEU memory\n");
 561 
 562         memblock_free(phys, size);
 563         memblock_remove(phys, size);
 564 
 565         ceu_dma_membase = phys;
 566 }
 567 
 568 static struct sh_machine_vector mv_ap325rxa __initmv = {
 569         .mv_name = "AP-325RXA",
 570         .mv_mode_pins = ap325rxa_mode_pins,
 571         .mv_mem_reserve = ap325rxa_mv_mem_reserve,
 572 };

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