diff options
author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-29 16:47:18 +1100 |
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committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-29 16:47:18 +1100 |
commit | 0a8c5395f90f06d128247844b2515c8bf3f2826b (patch) | |
tree | d95382dcdfa303b99d480c01763d6cb6767fdaca /drivers/net/sfc/spi.h | |
parent | 25051158bbed127e8672b43396c71c5eb610e5f1 (diff) | |
parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) |
[XFS] Fix merge failures
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/xfs/linux-2.6/xfs_cred.h
fs/xfs/linux-2.6/xfs_globals.h
fs/xfs/linux-2.6/xfs_ioctl.c
fs/xfs/xfs_vnodeops.h
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'drivers/net/sfc/spi.h')
-rw-r--r-- | drivers/net/sfc/spi.h | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/net/sfc/spi.h b/drivers/net/sfc/spi.h index feef6194237..1b1ceb41167 100644 --- a/drivers/net/sfc/spi.h +++ b/drivers/net/sfc/spi.h @@ -25,6 +25,7 @@ #define SPI_WRDI 0x04 /* Reset write enable latch */ #define SPI_RDSR 0x05 /* Read status register */ #define SPI_WREN 0x06 /* Set write enable latch */ +#define SPI_SST_EWSR 0x50 /* SST: Enable write to status register */ #define SPI_STATUS_WPEN 0x80 /* Write-protect pin enabled */ #define SPI_STATUS_BP2 0x10 /* Block protection bit 2 */ @@ -36,6 +37,7 @@ /** * struct efx_spi_device - an Efx SPI (Serial Peripheral Interface) device * @efx: The Efx controller that owns this device + * @mtd: MTD state * @device_id: Controller's id for the device * @size: Size (in bytes) * @addr_len: Number of address bytes in read/write commands @@ -44,23 +46,51 @@ * use bit 3 of the command byte as address bit A8, rather * than having a two-byte address. If this flag is set, then * commands should be munged in this way. + * @erase_command: Erase command (or 0 if sector erase not needed). + * @erase_size: Erase sector size (in bytes) + * Erase commands affect sectors with this size and alignment. + * This must be a power of two. * @block_size: Write block size (in bytes). * Write commands are limited to blocks with this size and alignment. - * @read: Read function for the device - * @write: Write function for the device */ struct efx_spi_device { struct efx_nic *efx; +#ifdef CONFIG_SFC_MTD + void *mtd; +#endif int device_id; unsigned int size; unsigned int addr_len; unsigned int munge_address:1; + u8 erase_command; + unsigned int erase_size; unsigned int block_size; }; +int falcon_spi_cmd(const struct efx_spi_device *spi, unsigned int command, + int address, const void* in, void *out, size_t len); +int falcon_spi_wait_write(const struct efx_spi_device *spi); int falcon_spi_read(const struct efx_spi_device *spi, loff_t start, size_t len, size_t *retlen, u8 *buffer); int falcon_spi_write(const struct efx_spi_device *spi, loff_t start, size_t len, size_t *retlen, const u8 *buffer); +/* + * SFC4000 flash is partitioned into: + * 0-0x400 chip and board config (see falcon_hwdefs.h) + * 0x400-0x8000 unused (or may contain VPD if EEPROM not present) + * 0x8000-end boot code (mapped to PCI expansion ROM) + * SFC4000 small EEPROM (size < 0x400) is used for VPD only. + * SFC4000 large EEPROM (size >= 0x400) is partitioned into: + * 0-0x400 chip and board config + * configurable VPD + * 0x800-0x1800 boot config + * Aside from the chip and board config, all of these are optional and may + * be absent or truncated depending on the devices used. + */ +#define FALCON_NVCONFIG_END 0x400U +#define FALCON_FLASH_BOOTCODE_START 0x8000U +#define EFX_EEPROM_BOOTCONFIG_START 0x800U +#define EFX_EEPROM_BOOTCONFIG_END 0x1800U + #endif /* EFX_SPI_H */ |