diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/firmware.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/firmware.c | 156 |
1 files changed, 133 insertions, 23 deletions
diff --git a/drivers/infiniband/hw/hfi1/firmware.c b/drivers/infiniband/hw/hfi1/firmware.c index 13db8eb4f4ec..0dd50cdb039a 100644 --- a/drivers/infiniband/hw/hfi1/firmware.c +++ b/drivers/infiniband/hw/hfi1/firmware.c @@ -239,6 +239,16 @@ static const u8 all_fabric_serdes_broadcast = 0xe1; const u8 pcie_serdes_broadcast[2] = { 0xe2, 0xe3 }; static const u8 all_pcie_serdes_broadcast = 0xe0; +static const u32 platform_config_table_limits[PLATFORM_CONFIG_TABLE_MAX] = { + 0, + SYSTEM_TABLE_MAX, + PORT_TABLE_MAX, + RX_PRESET_TABLE_MAX, + TX_PRESET_TABLE_MAX, + QSFP_ATTEN_TABLE_MAX, + VARIABLE_SETTINGS_TABLE_MAX +}; + /* forwards */ static void dispose_one_firmware(struct firmware_details *fdet); static int load_fabric_serdes_firmware(struct hfi1_devdata *dd, @@ -263,11 +273,13 @@ static int __read_8051_data(struct hfi1_devdata *dd, u32 addr, u64 *result) u64 reg; int count; - /* start the read at the given address */ - reg = ((addr & DC_DC8051_CFG_RAM_ACCESS_CTRL_ADDRESS_MASK) - << DC_DC8051_CFG_RAM_ACCESS_CTRL_ADDRESS_SHIFT) - | DC_DC8051_CFG_RAM_ACCESS_CTRL_READ_ENA_SMASK; + /* step 1: set the address, clear enable */ + reg = (addr & DC_DC8051_CFG_RAM_ACCESS_CTRL_ADDRESS_MASK) + << DC_DC8051_CFG_RAM_ACCESS_CTRL_ADDRESS_SHIFT; write_csr(dd, DC_DC8051_CFG_RAM_ACCESS_CTRL, reg); + /* step 2: enable */ + write_csr(dd, DC_DC8051_CFG_RAM_ACCESS_CTRL, + reg | DC_DC8051_CFG_RAM_ACCESS_CTRL_READ_ENA_SMASK); /* wait until ACCESS_COMPLETED is set */ count = 0; @@ -707,6 +719,9 @@ static int obtain_firmware(struct hfi1_devdata *dd) &dd->pcidev->dev); if (err) { platform_config = NULL; + dd_dev_err(dd, + "%s: No default platform config file found\n", + __func__); goto done; } dd->platform_config.data = platform_config->data; @@ -1761,8 +1776,17 @@ int parse_platform_config(struct hfi1_devdata *dd) u32 record_idx = 0, table_type = 0, table_length_dwords = 0; int ret = -EINVAL; /* assume failure */ + /* + * For integrated devices that did not fall back to the default file, + * the SI tuning information for active channels is acquired from the + * scratch register bitmap, thus there is no platform config to parse. + * Skip parsing in these situations. + */ + if (is_integrated(dd) && !platform_config_load) + return 0; + if (!dd->platform_config.data) { - dd_dev_info(dd, "%s: Missing config file\n", __func__); + dd_dev_err(dd, "%s: Missing config file\n", __func__); goto bail; } ptr = (u32 *)dd->platform_config.data; @@ -1770,7 +1794,7 @@ int parse_platform_config(struct hfi1_devdata *dd) magic_num = *ptr; ptr++; if (magic_num != PLATFORM_CONFIG_MAGIC_NUM) { - dd_dev_info(dd, "%s: Bad config file\n", __func__); + dd_dev_err(dd, "%s: Bad config file\n", __func__); goto bail; } @@ -1797,9 +1821,9 @@ int parse_platform_config(struct hfi1_devdata *dd) header1 = *ptr; header2 = *(ptr + 1); if (header1 != ~header2) { - dd_dev_info(dd, "%s: Failed validation at offset %ld\n", - __func__, (ptr - (u32 *) - dd->platform_config.data)); + dd_dev_err(dd, "%s: Failed validation at offset %ld\n", + __func__, (ptr - (u32 *) + dd->platform_config.data)); goto bail; } @@ -1841,11 +1865,11 @@ int parse_platform_config(struct hfi1_devdata *dd) table_length_dwords; break; default: - dd_dev_info(dd, - "%s: Unknown data table %d, offset %ld\n", - __func__, table_type, - (ptr - (u32 *) - dd->platform_config.data)); + dd_dev_err(dd, + "%s: Unknown data table %d, offset %ld\n", + __func__, table_type, + (ptr - (u32 *) + dd->platform_config.data)); goto bail; /* We don't trust this file now */ } pcfgcache->config_tables[table_type].table = ptr; @@ -1865,11 +1889,11 @@ int parse_platform_config(struct hfi1_devdata *dd) case PLATFORM_CONFIG_VARIABLE_SETTINGS_TABLE: break; default: - dd_dev_info(dd, - "%s: Unknown meta table %d, offset %ld\n", - __func__, table_type, - (ptr - - (u32 *)dd->platform_config.data)); + dd_dev_err(dd, + "%s: Unknown meta table %d, offset %ld\n", + __func__, table_type, + (ptr - + (u32 *)dd->platform_config.data)); goto bail; /* We don't trust this file now */ } pcfgcache->config_tables[table_type].table_metadata = @@ -1884,10 +1908,9 @@ int parse_platform_config(struct hfi1_devdata *dd) /* Jump the table */ ptr += table_length_dwords; if (crc != *ptr) { - dd_dev_info(dd, "%s: Failed CRC check at offset %ld\n", - __func__, (ptr - - (u32 *) - dd->platform_config.data)); + dd_dev_err(dd, "%s: Failed CRC check at offset %ld\n", + __func__, (ptr - + (u32 *)dd->platform_config.data)); goto bail; } /* Jump the CRC DWORD */ @@ -1901,6 +1924,84 @@ bail: return ret; } +static void get_integrated_platform_config_field( + struct hfi1_devdata *dd, + enum platform_config_table_type_encoding table_type, + int field_index, u32 *data) +{ + struct hfi1_pportdata *ppd = dd->pport; + u8 *cache = ppd->qsfp_info.cache; + u32 tx_preset = 0; + + switch (table_type) { + case PLATFORM_CONFIG_SYSTEM_TABLE: + if (field_index == SYSTEM_TABLE_QSFP_POWER_CLASS_MAX) + *data = ppd->max_power_class; + else if (field_index == SYSTEM_TABLE_QSFP_ATTENUATION_DEFAULT_25G) + *data = ppd->default_atten; + break; + case PLATFORM_CONFIG_PORT_TABLE: + if (field_index == PORT_TABLE_PORT_TYPE) + *data = ppd->port_type; + else if (field_index == PORT_TABLE_LOCAL_ATTEN_25G) + *data = ppd->local_atten; + else if (field_index == PORT_TABLE_REMOTE_ATTEN_25G) + *data = ppd->remote_atten; + break; + case PLATFORM_CONFIG_RX_PRESET_TABLE: + if (field_index == RX_PRESET_TABLE_QSFP_RX_CDR_APPLY) + *data = (ppd->rx_preset & QSFP_RX_CDR_APPLY_SMASK) >> + QSFP_RX_CDR_APPLY_SHIFT; + else if (field_index == RX_PRESET_TABLE_QSFP_RX_EMP_APPLY) + *data = (ppd->rx_preset & QSFP_RX_EMP_APPLY_SMASK) >> + QSFP_RX_EMP_APPLY_SHIFT; + else if (field_index == RX_PRESET_TABLE_QSFP_RX_AMP_APPLY) + *data = (ppd->rx_preset & QSFP_RX_AMP_APPLY_SMASK) >> + QSFP_RX_AMP_APPLY_SHIFT; + else if (field_index == RX_PRESET_TABLE_QSFP_RX_CDR) + *data = (ppd->rx_preset & QSFP_RX_CDR_SMASK) >> + QSFP_RX_CDR_SHIFT; + else if (field_index == RX_PRESET_TABLE_QSFP_RX_EMP) + *data = (ppd->rx_preset & QSFP_RX_EMP_SMASK) >> + QSFP_RX_EMP_SHIFT; + else if (field_index == RX_PRESET_TABLE_QSFP_RX_AMP) + *data = (ppd->rx_preset & QSFP_RX_AMP_SMASK) >> + QSFP_RX_AMP_SHIFT; + break; + case PLATFORM_CONFIG_TX_PRESET_TABLE: + if (cache[QSFP_EQ_INFO_OFFS] & 0x4) + tx_preset = ppd->tx_preset_eq; + else + tx_preset = ppd->tx_preset_noeq; + if (field_index == TX_PRESET_TABLE_PRECUR) + *data = (tx_preset & TX_PRECUR_SMASK) >> + TX_PRECUR_SHIFT; + else if (field_index == TX_PRESET_TABLE_ATTN) + *data = (tx_preset & TX_ATTN_SMASK) >> + TX_ATTN_SHIFT; + else if (field_index == TX_PRESET_TABLE_POSTCUR) + *data = (tx_preset & TX_POSTCUR_SMASK) >> + TX_POSTCUR_SHIFT; + else if (field_index == TX_PRESET_TABLE_QSFP_TX_CDR_APPLY) + *data = (tx_preset & QSFP_TX_CDR_APPLY_SMASK) >> + QSFP_TX_CDR_APPLY_SHIFT; + else if (field_index == TX_PRESET_TABLE_QSFP_TX_EQ_APPLY) + *data = (tx_preset & QSFP_TX_EQ_APPLY_SMASK) >> + QSFP_TX_EQ_APPLY_SHIFT; + else if (field_index == TX_PRESET_TABLE_QSFP_TX_CDR) + *data = (tx_preset & QSFP_TX_CDR_SMASK) >> + QSFP_TX_CDR_SHIFT; + else if (field_index == TX_PRESET_TABLE_QSFP_TX_EQ) + *data = (tx_preset & QSFP_TX_EQ_SMASK) >> + QSFP_TX_EQ_SHIFT; + break; + case PLATFORM_CONFIG_QSFP_ATTEN_TABLE: + case PLATFORM_CONFIG_VARIABLE_SETTINGS_TABLE: + default: + break; + } +} + static int get_platform_fw_field_metadata(struct hfi1_devdata *dd, int table, int field, u32 *field_len_bits, u32 *field_start_bits) @@ -1976,6 +2077,15 @@ int get_platform_config_field(struct hfi1_devdata *dd, else return -EINVAL; + if (is_integrated(dd) && !platform_config_load) { + /* + * Use saved configuration from ppd for integrated platforms + */ + get_integrated_platform_config_field(dd, table_type, + field_index, data); + return 0; + } + ret = get_platform_fw_field_metadata(dd, table_type, field_index, &field_len_bits, &field_start_bits); |