Rafał Miłecki | d6a3b51 | 2016-02-12 10:15:44 +0100 | [diff] [blame] | 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 | |
| 14 | static const char * const part_probes[] = { "bcm47xxpart", NULL }; |
| 15 | |
| 16 | static struct physmap_flash_data bcma_pflash_data = { |
| 17 | .part_probe_types = part_probes, |
| 18 | }; |
| 19 | |
| 20 | static struct resource bcma_pflash_resource = { |
| 21 | .name = "bcma_pflash", |
| 22 | .flags = IORESOURCE_MEM, |
| 23 | }; |
| 24 | |
| 25 | struct 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 | |
| 34 | int 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 | } |