1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Broadcom specific AMBA
3*4882a593Smuzhiyun * ChipCommon parallel flash
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Licensed under the GNU/GPL. See COPYING for details.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include "bcma_private.h"
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/bcma/bcma.h>
11*4882a593Smuzhiyun #include <linux/mtd/physmap.h>
12*4882a593Smuzhiyun #include <linux/platform_device.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun static const char * const part_probes[] = { "bcm47xxpart", NULL };
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun static struct physmap_flash_data bcma_pflash_data = {
17*4882a593Smuzhiyun .part_probe_types = part_probes,
18*4882a593Smuzhiyun };
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun static struct resource bcma_pflash_resource = {
21*4882a593Smuzhiyun .name = "bcma_pflash",
22*4882a593Smuzhiyun .flags = IORESOURCE_MEM,
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun struct platform_device bcma_pflash_dev = {
26*4882a593Smuzhiyun .name = "physmap-flash",
27*4882a593Smuzhiyun .dev = {
28*4882a593Smuzhiyun .platform_data = &bcma_pflash_data,
29*4882a593Smuzhiyun },
30*4882a593Smuzhiyun .resource = &bcma_pflash_resource,
31*4882a593Smuzhiyun .num_resources = 1,
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun
bcma_pflash_init(struct bcma_drv_cc * cc)34*4882a593Smuzhiyun int bcma_pflash_init(struct bcma_drv_cc *cc)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun struct bcma_pflash *pflash = &cc->pflash;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun pflash->present = true;
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun if (!(bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS))
41*4882a593Smuzhiyun bcma_pflash_data.width = 1;
42*4882a593Smuzhiyun else
43*4882a593Smuzhiyun bcma_pflash_data.width = 2;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun bcma_pflash_resource.start = BCMA_SOC_FLASH2;
46*4882a593Smuzhiyun bcma_pflash_resource.end = BCMA_SOC_FLASH2 + BCMA_SOC_FLASH2_SZ;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun return 0;
49*4882a593Smuzhiyun }
50