LXR linux/drivers/bcma/driver_chipcommon

   1/*
   2 * Broadcom specific AMBA
   3 * ChipCommon parallel flash
   4 *
   5 * Licensed under the GNU/GPL. See COPYING for details.
   6 */
   7
   8#include "bcma_private.h"
   9
  10#include <linux/bcma/bcma.h>
  11#include <linux/mtd/physmap.h>
  12#include <linux/platform_device.h>
  13
  14static const char * const part_probes[] = { "bcm47xxpart", NULL };
  15
  16static struct physmap_flash_data bcma_pflash_data = {
  17        .part_probe_types       = part_probes,
  18};
  19
  20static struct resource bcma_pflash_resource = {
  21        .name   = "bcma_pflash",
  22        .flags  = IORESOURCE_MEM,
  23};
  24
  25struct platform_device bcma_pflash_dev = {
  26        .name           = "physmap-flash",
  27        .dev            = {
  28                .platform_data  = &bcma_pflash_data,
  29        },
  30        .resource       = &bcma_pflash_resource,
  31        .num_resources  = 1,
  32};
  33
  34int bcma_pflash_init(struct bcma_drv_cc *cc)
  35{
  36        struct bcma_pflash *pflash = &cc->pflash;
  37
  38        pflash->present = true;
  39
  40        if (!(bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS))
  41                bcma_pflash_data.width = 1;
  42        else
  43                bcma_pflash_data.width = 2;
  44
  45        bcma_pflash_resource.start = BCMA_SOC_FLASH2;
  46        bcma_pflash_resource.end = BCMA_SOC_FLASH2 + BCMA_SOC_FLASH2_SZ;
  47
  48        return 0;
  49}
  50