Files
cubelinux-kernel/drivers/bcma/driver_chipcommon_pflash.c
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

50 lines
1.1 KiB
C

/*
* Broadcom specific AMBA
* ChipCommon parallel flash
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include "bcma_private.h"
#include <linux/bcma/bcma.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
static const char * const part_probes[] = { "bcm47xxpart", NULL };
static struct physmap_flash_data bcma_pflash_data = {
.part_probe_types = part_probes,
};
static struct resource bcma_pflash_resource = {
.name = "bcma_pflash",
.flags = IORESOURCE_MEM,
};
struct platform_device bcma_pflash_dev = {
.name = "physmap-flash",
.dev = {
.platform_data = &bcma_pflash_data,
},
.resource = &bcma_pflash_resource,
.num_resources = 1,
};
int bcma_pflash_init(struct bcma_drv_cc *cc)
{
struct bcma_pflash *pflash = &cc->pflash;
pflash->present = true;
if (!(bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS))
bcma_pflash_data.width = 1;
else
bcma_pflash_data.width = 2;
bcma_pflash_resource.start = BCMA_SOC_FLASH2;
bcma_pflash_resource.end = BCMA_SOC_FLASH2 + BCMA_SOC_FLASH2_SZ;
return 0;
}