#include "bcma_private.h"
+#include <linux/bitops.h>
#include <linux/platform_device.h>
+#include <linux/platform_data/brcmnand.h>
#include <linux/bcma/bcma.h>
+/* Alternate NAND controller driver name in order to allow both bcm47xxnflash
+ * and bcma_brcmnand to be built into the same kernel image.
+ */
+static const char *bcma_nflash_alt_name = "bcma_brcmnand";
+
struct platform_device bcma_nflash_dev = {
.name = "bcma_nflash",
.num_resources = 0,
};
+static const char *probes[] = { "bcm47xxpart", NULL };
+
/* Initialize NAND flash access */
int bcma_nflash_init(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
+ u32 reg;
if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
cc->core->id.rev != 38) {
cc->nflash.present = true;
if (cc->core->id.rev == 38 &&
- (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT))
+ (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT)) {
cc->nflash.boot = true;
+ /* Determine the chip select that is being used */
+ reg = bcma_cc_read32(cc, BCMA_CC_NAND_CS_NAND_SELECT) & 0xff;
+ cc->nflash.brcmnand_info.chip_select = ffs(reg) - 1;
+ cc->nflash.brcmnand_info.part_probe_types = probes;
+ cc->nflash.brcmnand_info.ecc_stepsize = 512;
+ cc->nflash.brcmnand_info.ecc_strength = 1;
+ bcma_nflash_dev.name = bcma_nflash_alt_name;
+ }
/* Prepare platform device, but don't register it yet. It's too early,
* malloc (required by device_private_init) is not available yet. */