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d6a3b51ada
This follows the way of handling other flashes and cleans code a bit. As next task we will want to move flash code to ChipCommon driver as: 1) Flash controllers are accesible using ChipCommon registers 2) This code isn't MIPS specific This change prepares bcma for that. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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* Broadcom specific AMBA
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* ChipCommon parallel flash
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*
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* Licensed under the GNU/GPL. See COPYING for details.
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*/
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#include "bcma_private.h"
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#include <linux/bcma/bcma.h>
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#include <linux/mtd/physmap.h>
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#include <linux/platform_device.h>
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static const char * const part_probes[] = { "bcm47xxpart", NULL };
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static struct physmap_flash_data bcma_pflash_data = {
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.part_probe_types = part_probes,
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};
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static struct resource bcma_pflash_resource = {
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.name = "bcma_pflash",
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.flags = IORESOURCE_MEM,
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};
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struct platform_device bcma_pflash_dev = {
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.name = "physmap-flash",
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.dev = {
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.platform_data = &bcma_pflash_data,
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},
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.resource = &bcma_pflash_resource,
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.num_resources = 1,
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};
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int bcma_pflash_init(struct bcma_drv_cc *cc)
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{
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struct bcma_pflash *pflash = &cc->pflash;
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pflash->present = true;
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if (!(bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS))
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bcma_pflash_data.width = 1;
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else
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bcma_pflash_data.width = 2;
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bcma_pflash_resource.start = BCMA_SOC_FLASH2;
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bcma_pflash_resource.end = BCMA_SOC_FLASH2 + BCMA_SOC_FLASH2_SZ;
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return 0;
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}
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