diff options
Diffstat (limited to 'drivers/net/cxgb3/t3_hw.c')
| -rw-r--r-- | drivers/net/cxgb3/t3_hw.c | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index dd3149d94ba8..b02d15daf5d9 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -848,16 +848,15 @@ static int t3_write_flash(struct adapter *adapter, unsigned int addr, } /** - * t3_check_tpsram_version - read the tp sram version + * t3_get_tp_version - read the tp sram version * @adapter: the adapter + * @vers: where to place the version * - * Reads the protocol sram version from serial eeprom. + * Reads the protocol sram version from sram. */ -int t3_check_tpsram_version(struct adapter *adapter) +int t3_get_tp_version(struct adapter *adapter, u32 *vers) { int ret; - u32 vers; - unsigned int major, minor; /* Get version loaded in SRAM */ t3_write_reg(adapter, A_TP_EMBED_OP_FIELD0, 0); @@ -866,7 +865,32 @@ int t3_check_tpsram_version(struct adapter *adapter) if (ret) return ret; - vers = t3_read_reg(adapter, A_TP_EMBED_OP_FIELD1); + *vers = t3_read_reg(adapter, A_TP_EMBED_OP_FIELD1); + + return 0; +} + +/** + * t3_check_tpsram_version - read the tp sram version + * @adapter: the adapter + * @must_load: set to 1 if loading a new microcode image is required + * + * Reads the protocol sram version from flash. + */ +int t3_check_tpsram_version(struct adapter *adapter, int *must_load) +{ + int ret; + u32 vers; + unsigned int major, minor; + + if (adapter->params.rev == T3_REV_A) + return 0; + + *must_load = 1; + + ret = t3_get_tp_version(adapter, &vers); + if (ret) + return ret; major = G_TP_VERSION_MAJOR(vers); minor = G_TP_VERSION_MINOR(vers); @@ -874,6 +898,16 @@ int t3_check_tpsram_version(struct adapter *adapter) if (major == TP_VERSION_MAJOR && minor == TP_VERSION_MINOR) return 0; + if (major != TP_VERSION_MAJOR) + CH_ERR(adapter, "found wrong TP version (%u.%u), " + "driver needs version %d.%d\n", major, minor, + TP_VERSION_MAJOR, TP_VERSION_MINOR); + else { + *must_load = 0; + CH_ERR(adapter, "found wrong TP version (%u.%u), " + "driver compiled for version %d.%d\n", major, minor, + TP_VERSION_MAJOR, TP_VERSION_MINOR); + } return -EINVAL; } |