diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-11-04 20:33:11 +0000 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-11-06 00:49:56 -0500 |
| commit | 0a95f56323ce93dac354c1b2d54bf959a985cf7d (patch) | |
| tree | fbf11f9284c25fc5c0520fda649c3850d180da3b /drivers/net/sfc/spi.h | |
| parent | 2883f552f2c6c6ccb2021643652c6d930f205f6f (diff) | |
| download | linux-0a95f56323ce93dac354c1b2d54bf959a985cf7d.tar.bz2 | |
sfc: Clean up non-volatile memory partitioning
Move flash and EEPROM partition boundary constants into spi.h and rename
them to be consistent.
Add a comment on the partitioning.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/sfc/spi.h')
| -rw-r--r-- | drivers/net/sfc/spi.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/sfc/spi.h b/drivers/net/sfc/spi.h index feef61942377..b73f86cf5fa2 100644 --- a/drivers/net/sfc/spi.h +++ b/drivers/net/sfc/spi.h @@ -63,4 +63,21 @@ int falcon_spi_read(const struct efx_spi_device *spi, loff_t start, 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 EFX_EEPROM_BOOTCONFIG_START 0x800U +#define EFX_EEPROM_BOOTCONFIG_END 0x1800U + #endif /* EFX_SPI_H */ |