diff options
| -rw-r--r-- | drivers/net/sfc/ethtool.c | 11 | ||||
| -rw-r--r-- | drivers/net/sfc/falcon.c | 6 | ||||
| -rw-r--r-- | drivers/net/sfc/falcon_hwdefs.h | 1 | ||||
| -rw-r--r-- | drivers/net/sfc/spi.h | 17 |
4 files changed, 24 insertions, 11 deletions
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c index cd0d0873d97..df0579e386f 100644 --- a/drivers/net/sfc/ethtool.c +++ b/drivers/net/sfc/ethtool.c @@ -172,10 +172,7 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = { /* Number of ethtool statistics */ #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats) -/* EEPROM range with gPXE configuration */ #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB -#define EFX_ETHTOOL_EEPROM_MIN 0x800U -#define EFX_ETHTOOL_EEPROM_MAX 0x1800U /************************************************************************** * @@ -545,8 +542,8 @@ static int efx_ethtool_get_eeprom_len(struct net_device *net_dev) if (!spi) return 0; - return min(spi->size, EFX_ETHTOOL_EEPROM_MAX) - - min(spi->size, EFX_ETHTOOL_EEPROM_MIN); + return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) - + min(spi->size, EFX_EEPROM_BOOTCONFIG_START); } static int efx_ethtool_get_eeprom(struct net_device *net_dev, @@ -557,7 +554,7 @@ static int efx_ethtool_get_eeprom(struct net_device *net_dev, size_t len; int rc; - rc = falcon_spi_read(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN, + rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, eeprom->len, &len, buf); eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC; eeprom->len = len; @@ -575,7 +572,7 @@ static int efx_ethtool_set_eeprom(struct net_device *net_dev, if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) return -EINVAL; - rc = falcon_spi_write(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN, + rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, eeprom->len, &len, buf); eeprom->len = len; return rc; diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 31ed1f49de0..3f74ceff6a2 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -2253,13 +2253,13 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out) __le16 *word, *limit; u32 csum; - region = kmalloc(NVCONFIG_END, GFP_KERNEL); + region = kmalloc(FALCON_NVCONFIG_END, GFP_KERNEL); if (!region) return -ENOMEM; nvconfig = region + NVCONFIG_OFFSET; spi = efx->spi_flash ? efx->spi_flash : efx->spi_eeprom; - rc = falcon_spi_read(spi, 0, NVCONFIG_END, NULL, region); + rc = falcon_spi_read(spi, 0, FALCON_NVCONFIG_END, NULL, region); if (rc) { EFX_ERR(efx, "Failed to read %s\n", efx->spi_flash ? "flash" : "EEPROM"); @@ -2283,7 +2283,7 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out) limit = (__le16 *) (nvconfig + 1); } else { word = region; - limit = region + NVCONFIG_END; + limit = region + FALCON_NVCONFIG_END; } for (csum = 0; word < limit; ++word) csum += le16_to_cpu(*word); diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h index 5d584b0dbb5..040e70ed4ec 100644 --- a/drivers/net/sfc/falcon_hwdefs.h +++ b/drivers/net/sfc/falcon_hwdefs.h @@ -1150,7 +1150,6 @@ struct falcon_nvconfig_board_v3 { (((type) >> EFX_LOW_BIT(field)) & EFX_MASK32(EFX_WIDTH(field))) #define NVCONFIG_OFFSET 0x300 -#define NVCONFIG_END 0x400 #define NVCONFIG_BOARD_MAGIC_NUM 0xFA1C struct falcon_nvconfig { diff --git a/drivers/net/sfc/spi.h b/drivers/net/sfc/spi.h index feef6194237..b73f86cf5fa 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 */ |