diff options
| author |   Eugenia Emantayev <eugenia@mellanox.com> | 2013-04-23 06:06:48 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-04-24 16:30:13 -0400 |
| commit | ddd8a6c12d7e494902a9435a9a7a543ef730b2d8 (patch) | |
| tree | 5dd526d9fef754d1de7fce210ee002e71cb1818d /drivers/net/ethernet/mellanox/mlx4/fw.c | |
| parent | net/mlx4_core: Add timestamping device capability (diff) | |
| download | linux-dev-ddd8a6c12d7e494902a9435a9a7a543ef730b2d8.tar.xz linux-dev-ddd8a6c12d7e494902a9435a9a7a543ef730b2d8.zip | |
net/mlx4_core: Read HCA frequency and map internal clock
Read HCA frequency, read PCI clock bar and offset, map internal clock to
PCI bar.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/fw.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index f1e70979b4c1..6776c257bd34 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -1013,6 +1013,9 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev) #define QUERY_FW_COMM_BASE_OFFSET 0x40 #define QUERY_FW_COMM_BAR_OFFSET 0x48 +#define QUERY_FW_CLOCK_OFFSET 0x50 +#define QUERY_FW_CLOCK_BAR 0x58 + mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); @@ -1087,6 +1090,12 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev) fw->comm_bar, fw->comm_base); mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2); + MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET); + MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR); + fw->clock_bar = (fw->clock_bar >> 6) * 2; + mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n", + fw->clock_bar, fw->clock_offset); + /* * Round up number of system pages needed in case * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. @@ -1374,6 +1383,7 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, u8 byte_field; #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04 +#define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) @@ -1388,6 +1398,7 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, goto out; MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET); + MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); /* QPC/EEC/CQC/EQC/RDMARC attributes */ |