netxen: add 2MB PCI memory support
New revision of netxen chip has 2MB PCI memory. Older chips
had 128MB addressable PCI memory. To retain compatibility,
this patch adds function pointers based on pci bar0 size.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 192a22f..72d9f48 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -114,11 +114,12 @@
CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
};
-static void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
- uint32_t crb_producer)
+static inline void
+netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
+ uint32_t crb_producer)
{
- writel(crb_producer, NETXEN_CRB_NORMALIZE(adapter,
- adapter->crb_addr_cmd_producer));
+ adapter->pci_write_normalize(adapter,
+ adapter->crb_addr_cmd_producer, crb_producer);
}
static uint32_t crb_cmd_consumer[4] = {
@@ -126,11 +127,12 @@
CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
};
-static void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
- u32 crb_consumer)
+static inline void
+netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
+ u32 crb_consumer)
{
- writel(crb_consumer, NETXEN_CRB_NORMALIZE(adapter,
- adapter->crb_addr_cmd_consumer));
+ adapter->pci_write_normalize(adapter,
+ adapter->crb_addr_cmd_consumer, crb_consumer);
}
static uint32_t msi_tgt_status[4] = {
@@ -151,17 +153,18 @@
int pci_fn = adapter->ahw.pci_func;
if (adapter->msi_mode != MSI_MODE_MULTIFUNC)
- writel(0x0, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port]));
+ adapter->pci_write_normalize(adapter, sw_int_mask[port], 0);
if (adapter->intr_scheme != -1 &&
adapter->intr_scheme != INTR_SCHEME_PERPORT)
- writel(mask,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+ adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
do {
- writel(0xffffffff,
- PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS));
- mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR));
+ adapter->pci_write_immediate(adapter,
+ ISR_INT_TARGET_STATUS, 0xffffffff);
+ mask = adapter->pci_read_immediate(adapter,
+ ISR_INT_VECTOR);
if (!(mask & 0x80))
break;
udelay(10);
@@ -173,8 +176,8 @@
}
} else {
if (adapter->msi_mode == MSI_MODE_MULTIFUNC) {
- writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter,
- msi_tgt_status[pci_fn]));
+ adapter->pci_write_immediate(adapter,
+ msi_tgt_status[pci_fn], 0xffffffff);
}
}
}
@@ -200,19 +203,20 @@
break;
}
- writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+ adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
}
- writel(0x1, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port]));
+ adapter->pci_write_normalize(adapter, sw_int_mask[port], 0x1);
if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
mask = 0xbff;
if (adapter->intr_scheme != -1 &&
adapter->intr_scheme != INTR_SCHEME_PERPORT) {
- writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+ adapter->pci_write_normalize(adapter,
+ CRB_INT_VECTOR, 0);
}
- writel(mask,
- PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK));
+ adapter->pci_write_immediate(adapter,
+ ISR_INT_TARGET_MASK, mask);
}
DPRINTK(1, INFO, "Done with enable Int\n");
@@ -243,7 +247,7 @@
u8 __iomem *db_ptr = NULL;
- unsigned long mem_base, mem_len, db_base, db_len;
+ unsigned long mem_base, mem_len, db_base, db_len, pci_len0;
int pci_using_dac, i = 0, err;
int ring;
struct netxen_recv_context *recv_ctx = NULL;
@@ -300,10 +304,24 @@
adapter = netdev->priv;
adapter->ahw.pci_func = pci_func_id;
+ rwlock_init(&adapter->adapter_lock);
+ adapter->ahw.qdr_sn_window = -1;
+ adapter->ahw.ddr_mn_window = -1;
/* remap phys address */
mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
mem_len = pci_resource_len(pdev, 0);
+ pci_len0 = 0;
+
+ adapter->hw_write_wx = netxen_nic_hw_write_wx_128M;
+ adapter->hw_read_wx = netxen_nic_hw_read_wx_128M;
+ adapter->pci_read_immediate = netxen_nic_pci_read_immediate_128M;
+ adapter->pci_write_immediate = netxen_nic_pci_write_immediate_128M;
+ adapter->pci_read_normalize = netxen_nic_pci_read_normalize_128M;
+ adapter->pci_write_normalize = netxen_nic_pci_write_normalize_128M;
+ adapter->pci_set_window = netxen_nic_pci_set_window_128M;
+ adapter->pci_mem_read = netxen_nic_pci_mem_read_128M;
+ adapter->pci_mem_write = netxen_nic_pci_mem_write_128M;
/* 128 Meg of memory */
if (mem_len == NETXEN_PCI_128MB_SIZE) {
@@ -320,21 +338,42 @@
SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
first_page_group_start = 0;
first_page_group_end = 0;
+ } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
+ adapter->hw_write_wx = netxen_nic_hw_write_wx_2M;
+ adapter->hw_read_wx = netxen_nic_hw_read_wx_2M;
+ adapter->pci_read_immediate = netxen_nic_pci_read_immediate_2M;
+ adapter->pci_write_immediate =
+ netxen_nic_pci_write_immediate_2M;
+ adapter->pci_read_normalize = netxen_nic_pci_read_normalize_2M;
+ adapter->pci_write_normalize =
+ netxen_nic_pci_write_normalize_2M;
+ adapter->pci_set_window = netxen_nic_pci_set_window_2M;
+ adapter->pci_mem_read = netxen_nic_pci_mem_read_2M;
+ adapter->pci_mem_write = netxen_nic_pci_mem_write_2M;
+
+ mem_ptr0 = ioremap(mem_base, mem_len);
+ pci_len0 = mem_len;
+ first_page_group_start = 0;
+ first_page_group_end = 0;
+
+ adapter->ahw.ddr_mn_window = 0;
+ adapter->ahw.qdr_sn_window = 0;
+
+ adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW +
+ (pci_func_id * 0x20);
+ adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW;
+ if (pci_func_id < 4)
+ adapter->ahw.ms_win_crb += (pci_func_id * 0x20);
+ else
+ adapter->ahw.ms_win_crb +=
+ 0xA0 + ((pci_func_id - 4) * 0x10);
} else {
err = -EIO;
goto err_out_free_netdev;
}
- if ((!mem_ptr0 && mem_len == NETXEN_PCI_128MB_SIZE) ||
- !mem_ptr1 || !mem_ptr2) {
- DPRINTK(ERR,
- "Cannot remap adapter memory aborting.:"
- "0 -> %p, 1 -> %p, 2 -> %p\n",
- mem_ptr0, mem_ptr1, mem_ptr2);
+ dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
- err = -EIO;
- goto err_out_iounmap;
- }
db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
db_len = pci_resource_len(pdev, 4);
@@ -357,6 +396,7 @@
DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr);
adapter->ahw.pci_base0 = mem_ptr0;
+ adapter->ahw.pci_len0 = pci_len0;
adapter->ahw.first_page_group_start = first_page_group_start;
adapter->ahw.first_page_group_end = first_page_group_end;
adapter->ahw.pci_base1 = mem_ptr1;
@@ -520,9 +560,6 @@
INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
adapter->ahw.revision_id = pdev->revision;
- /* make sure Window == 1 */
- netxen_nic_pci_change_crbwindow(adapter, 1);
-
adapter->crb_addr_cmd_producer = crb_cmd_producer[adapter->portnum];
adapter->crb_addr_cmd_consumer = crb_cmd_consumer[adapter->portnum];
netxen_nic_update_cmd_producer(adapter, 0);
@@ -560,8 +597,8 @@
err = netxen_initialize_adapter_offload(adapter);
if (err)
goto err_out_free_rx_buffer;
- val = readl(NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_CAM_RAM(0x1fc)));
+ val = adapter->pci_read_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc));
if (val == 0x55555555) {
/* This is the first boot after power up */
netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
@@ -573,20 +610,20 @@
printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n",
netxen_nic_driver_name);
}
- val = readl(NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_ROMUSB_GLB_SW_RESET));
+ val = adapter->pci_read_normalize(adapter,
+ NETXEN_ROMUSB_GLB_SW_RESET);
printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val);
if (val != 0x80000f) {
/* clear the register for future unloads/loads */
- writel(0, NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_CAM_RAM(0x1fc)));
+ adapter->pci_write_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc), 0);
printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
err = -ENODEV;
goto err_out_free_dev;
}
} else {
- writel(0, NETXEN_CRB_NORMALIZE(adapter,
- CRB_CMDPEG_STATE));
+ adapter->pci_write_normalize(adapter,
+ CRB_CMDPEG_STATE, 0);
netxen_pinit_from_rom(adapter, 0);
msleep(1);
netxen_load_firmware(adapter);
@@ -602,9 +639,9 @@
}
/* clear the register for future unloads/loads */
- writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
+ adapter->pci_write_normalize(adapter, NETXEN_CAM_RAM(0x1fc), 0);
dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n",
- readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+ adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE));
/*
* Tell the hardware our version number.
@@ -612,12 +649,11 @@
i = (_NETXEN_NIC_LINUX_MAJOR << 16)
| ((_NETXEN_NIC_LINUX_MINOR << 8))
| (_NETXEN_NIC_LINUX_SUBVERSION);
- writel(i, NETXEN_CRB_NORMALIZE(adapter, CRB_DRIVER_VERSION));
+ adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
/* Unlock the HW, prompting the boot sequence */
- writel(1,
- NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
/* Handshake with the card before we register the devices. */
netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
}
@@ -626,7 +662,7 @@
* See if the firmware gave us a virtual-physical port mapping.
*/
adapter->physical_port = adapter->portnum;
- i = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_V2P(adapter->portnum)));
+ i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum));
if (i != 0x55555555)
adapter->physical_port = i;
@@ -1104,15 +1140,15 @@
struct netxen_adapter *adapter = data;
u32 our_int = 0;
- our_int = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+ our_int = adapter->pci_read_normalize(adapter, CRB_INT_VECTOR);
/* not our interrupt */
if ((our_int & (0x80 << adapter->portnum)) == 0)
return IRQ_NONE;
if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
/* claim interrupt */
- writel(our_int & ~((u32)(0x80 << adapter->portnum)),
- NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+ adapter->pci_write_normalize(adapter, CRB_INT_VECTOR,
+ our_int & ~((u32)(0x80 << adapter->portnum)));
}
netxen_handle_int(adapter);