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