1/*
 2 * Broadcom specific AMBA
 3 * ChipCommon NAND flash interface
 4 *
 5 * Licensed under the GNU/GPL. See COPYING for details.
 6 */
 7
 8#include "bcma_private.h"
 9
10#include <linux/platform_device.h>
11#include <linux/bcma/bcma.h>
12
13struct platform_device bcma_nflash_dev = {
14	.name		= "bcma_nflash",
15	.num_resources	= 0,
16};
17
18/* Initialize NAND flash access */
19int bcma_nflash_init(struct bcma_drv_cc *cc)
20{
21	struct bcma_bus *bus = cc->core->bus;
22
23	if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
24	    cc->core->id.rev != 38) {
25		bcma_err(bus, "NAND flash on unsupported board!\n");
26		return -ENOTSUPP;
27	}
28
29	if (!(cc->capabilities & BCMA_CC_CAP_NFLASH)) {
30		bcma_err(bus, "NAND flash not present according to ChipCommon\n");
31		return -ENODEV;
32	}
33
34	cc->nflash.present = true;
35	if (cc->core->id.rev == 38 &&
36	    (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT))
37		cc->nflash.boot = true;
38
39	/* Prepare platform device, but don't register it yet. It's too early,
40	 * malloc (required by device_private_init) is not available yet. */
41	bcma_nflash_dev.dev.platform_data = &cc->nflash;
42
43	return 0;
44}

 1/*
 2 * Broadcom specific AMBA
 3 * ChipCommon NAND flash interface
 4 *
 5 * Licensed under the GNU/GPL. See COPYING for details.
 6 */
 7
 8#include "bcma_private.h"
 9
10#include <linux/platform_device.h>
11#include <linux/bcma/bcma.h>
12
13struct platform_device bcma_nflash_dev = {
14	.name		= "bcma_nflash",
15	.num_resources	= 0,
16};
17
18/* Initialize NAND flash access */
19int bcma_nflash_init(struct bcma_drv_cc *cc)
20{
21	struct bcma_bus *bus = cc->core->bus;
22
23	if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
24	    cc->core->id.rev != 38) {
25		bcma_err(bus, "NAND flash on unsupported board!\n");
26		return -ENOTSUPP;
27	}
28
29	if (!(cc->capabilities & BCMA_CC_CAP_NFLASH)) {
30		bcma_err(bus, "NAND flash not present according to ChipCommon\n");
31		return -ENODEV;
32	}
33
34	cc->nflash.present = true;
35	if (cc->core->id.rev == 38 &&
36	    (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT))
37		cc->nflash.boot = true;
38
39	/* Prepare platform device, but don't register it yet. It's too early,
40	 * malloc (required by device_private_init) is not available yet. */
41	bcma_nflash_dev.dev.platform_data = &cc->nflash;
42
43	return 0;
44}