[ofa-general] [PATCH] RDMA/nes: 4 port 1G HP blade card support
Chien Tung
ctung at neteffect.com
Mon Sep 15 10:36:53 PDT 2008
* Adding support for NetEffect 4 port 1G HP blade card. The
mapping between physical port and MAC is different from the
standup card.
Signed-off-by: Chien Tung <ctung at neteffect.com>
--
Roland,
Please consider this for 2.6.27. It has been applied and tested against 2.6.27-rc5.
drivers/infiniband/hw/nes/nes.c | 29 +++++++++++++---
drivers/infiniband/hw/nes/nes_hw.c | 66 +++++++++++++++++++++++++++--------
drivers/infiniband/hw/nes/nes_hw.h | 1 +
3 files changed, 76 insertions(+), 20 deletions(-)
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index b0cab64..a539685 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -562,7 +562,26 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */
nesdev->base_doorbell_index = 1;
nesdev->doorbell_start = nesdev->nesadapter->doorbell_start;
- nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) % nesdev->nesadapter->port_count;
+ if (nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ switch (PCI_FUNC(nesdev->pcidev->devfn) %
+ nesdev->nesadapter->port_count) {
+ case 1:
+ nesdev->mac_index = 2;
+ break;
+ case 2:
+ nesdev->mac_index = 1;
+ break;
+ case 3:
+ nesdev->mac_index = 3;
+ break;
+ case 0:
+ default:
+ nesdev->mac_index = 0;
+ }
+ } else {
+ nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) %
+ nesdev->nesadapter->port_count;
+ }
tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
@@ -581,7 +600,7 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
nesdev->int_req = (0x101 << PCI_FUNC(nesdev->pcidev->devfn)) |
(1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
if (PCI_FUNC(nesdev->pcidev->devfn) < 4) {
- nesdev->int_req |= (1 << (PCI_FUNC(nesdev->pcidev->devfn)+24));
+ nesdev->int_req |= (1 << (PCI_FUNC(nesdev->mac_index)+24));
}
/* TODO: This really should be the first driver to load, not function 0 */
@@ -772,14 +791,14 @@ static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf)
list_for_each_entry(nesdev, &nes_dev_list, list) {
if (i == ee_flsh_adapter) {
- devfn = nesdev->nesadapter->devfn;
- bus_number = nesdev->nesadapter->bus_number;
+ devfn = nesdev->pcidev->devfn;
+ bus_number = nesdev->pcidev->bus->number;
break;
}
i++;
}
- return snprintf(buf, PAGE_SIZE, "%x:%x", bus_number, devfn);
+ return snprintf(buf, PAGE_SIZE, "%x:%x\n", bus_number, devfn);
}
static ssize_t nes_store_adapter(struct device_driver *ddp,
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 1513d40..bdd98e6 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -61,7 +61,7 @@ u32 int_mod_cq_depth_1;
static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq);
static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count);
static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
- u8 OneG_Mode);
+ struct nes_adapter *nesadapter, u8 OneG_Mode);
static void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq);
static void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq);
static void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq);
@@ -292,9 +292,6 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) {
if ((port_count = nes_reset_adapter_ne020(nesdev, &OneG_Mode)) == 0)
return NULL;
- if (nes_init_serdes(nesdev, hw_rev, port_count, OneG_Mode))
- return NULL;
- nes_init_csr_ne020(nesdev, hw_rev, port_count);
max_qp = nes_read_indexed(nesdev, NES_IDX_QP_CTX_SIZE);
nes_debug(NES_DBG_INIT, "QP_CTX_SIZE=%u\n", max_qp);
@@ -353,6 +350,19 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) {
nes_debug(NES_DBG_INIT, "Allocating new nesadapter @ %p, size = %u (actual size = %u).\n",
nesadapter, (u32)sizeof(struct nes_adapter), adapter_size);
+ if (nes_read_eeprom_values(nesdev, nesadapter)) {
+ printk(KERN_ERR PFX "Unable to read EEPROM data.\n");
+ kfree(nesadapter);
+ return NULL;
+ }
+
+ if (nes_init_serdes(nesdev, hw_rev, port_count, nesadapter,
+ OneG_Mode)) {
+ kfree(nesadapter);
+ return NULL;
+ }
+ nes_init_csr_ne020(nesdev, hw_rev, port_count);
+
/* populate the new nesadapter */
nesadapter->devfn = nesdev->pcidev->devfn;
nesadapter->bus_number = nesdev->pcidev->bus->number;
@@ -468,20 +478,25 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) {
/* setup port configuration */
if (nesadapter->port_count == 1) {
- u32temp = 0x00000000;
+ nesadapter->log_port = 0x00000000;
if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT)
nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000002);
else
nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000003);
} else {
- if (nesadapter->port_count == 2)
- u32temp = 0x00000044;
- else
- u32temp = 0x000000e4;
+ if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ nesadapter->log_port = 0x000000D8;
+ } else {
+ if (nesadapter->port_count == 2)
+ nesadapter->log_port = 0x00000044;
+ else
+ nesadapter->log_port = 0x000000e4;
+ }
nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000003);
}
- nes_write_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT, u32temp);
+ nes_write_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT,
+ nesadapter->log_port);
nes_debug(NES_DBG_INIT, "Probe time, LOG2PHY=%u\n",
nes_read_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT));
@@ -706,23 +721,43 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
* nes_init_serdes
*/
static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
- u8 OneG_Mode)
+ struct nes_adapter *nesadapter, u8 OneG_Mode)
{
int i;
u32 u32temp;
+ u32 serdes_common_control;
if (hw_rev != NE020_REV) {
/* init serdes 0 */
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000FF);
- if (!OneG_Mode)
+ if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ serdes_common_control = nes_read_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL0);
+ serdes_common_control |= 0x000000100;
+ nes_write_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL0,
+ serdes_common_control);
+ } else if (!OneG_Mode) {
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE0, 0x11110000);
- if (port_count > 1) {
+ }
+ if (((port_count > 1) &&
+ (nesadapter->phy_type[0] != NES_PHY_TYPE_PUMA_1G)) ||
+ ((port_count > 2) &&
+ (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G))) {
/* init serdes 1 */
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000000FF);
- if (!OneG_Mode)
+ if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ serdes_common_control = nes_read_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL1);
+ serdes_common_control |= 0x000000100;
+ nes_write_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL1,
+ serdes_common_control);
+ } else if (!OneG_Mode) {
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE1, 0x11110000);
}
+ }
} else {
/* init serdes 0 */
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0, 0x00000008);
@@ -2258,7 +2293,8 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
}
/* read the PHY interrupt status register */
- if (nesadapter->OneG_Mode) {
+ if ((nesadapter->OneG_Mode) &&
+ (nesadapter->phy_type[mac_index] != NES_PHY_TYPE_PUMA_1G)) {
do {
nes_read_1G_phy_reg(nesdev, 0x1a,
nesadapter->phy_index[mac_index], &phy_data);
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index 7b81e0a..fc0f063 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -1100,6 +1100,7 @@ struct nes_adapter {
u8 mac_sw_state[4];
u8 mac_link_down[4];
u8 phy_type[4];
+ u8 log_port;
/* PCI information */
unsigned int devfn;
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