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Message-Id: <200703090809.l2989FgP011784@dut39.unminc.com>
Date: Fri, 9 Mar 2007 00:09:15 -0800
From: Linsys Contractor Mithlesh Thukral <mithlesh@...xen.com>
To: netdev@...r.kernel.org
Cc: amitkale@...xen.com, jeff@...zik.org, mithlesh@...xen.com,
netxenproj@...syssoft.com, rob@...xen.com
Subject: [PATCH 3/5] NetXen: Fix the driver for reduced PCIE footprint cards
NetXen: Fix the driver for reduced PCIE footprint cards.
Signed-off-by: Mithlesh Thukral <mithlesh@...xen.com>
---
drivers/net/netxen/netxen_nic.h | 8 +++++-
drivers/net/netxen/netxen_nic_hdr.h | 2 +
drivers/net/netxen/netxen_nic_main.c | 30 ++++++++++++++++++++-----
3 files changed, 32 insertions(+), 8 deletions(-)
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index c85c2cb..d5e9d46 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -770,6 +770,8 @@ struct netxen_hardware_context {
void __iomem *pci_base2;
void __iomem *db_base;
unsigned long db_len;
+ unsigned long first_page_group_start;
+ unsigned long first_page_group_end;
u8 revision_id;
u16 board_type;
@@ -946,7 +948,8 @@ #define PCI_OFFSET_THIRD_RANGE(adapter,
static inline void __iomem *pci_base_offset(struct netxen_adapter *adapter,
unsigned long off)
{
- if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) {
+ if ((off < adapter->ahw.first_page_group_end) &&
+ (off >= adapter->ahw.first_page_group_start)) {
return (adapter->ahw.pci_base0 + off);
} else if ((off < SECOND_PAGE_GROUP_END) &&
(off >= SECOND_PAGE_GROUP_START)) {
@@ -961,7 +964,8 @@ static inline void __iomem *pci_base_off
static inline void __iomem *pci_base(struct netxen_adapter *adapter,
unsigned long off)
{
- if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) {
+ if ((off < adapter->ahw.first_page_group_end) &&
+ (off >= adapter->ahw.first_page_group_start)) {
return adapter->ahw.pci_base0;
} else if ((off < SECOND_PAGE_GROUP_END) &&
(off >= SECOND_PAGE_GROUP_START)) {
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index b826bca..20dbebc 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -467,6 +467,8 @@ #define NETXEN_PCI_OCM0_MAX (0x050fffffU
#define NETXEN_PCI_OCM1 (0x05100000UL)
#define NETXEN_PCI_OCM1_MAX (0x051fffffUL)
#define NETXEN_PCI_CRBSPACE (0x06000000UL)
+#define NETXEN_PCI_128MB_SIZE (0x08000000UL)
+#define NETXEN_PCI_32MB_SIZE (0x02000000UL)
#define NETXEN_CRB_CAM NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_CAM)
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 5fbf6b0..121a5f9 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -174,6 +174,7 @@ netxen_nic_probe(struct pci_dev *pdev, c
u8 __iomem *db_ptr = NULL;
unsigned long mem_base, mem_len, db_base, db_len;
+ unsigned long first_page_group_start, first_page_group_end;
int pci_using_dac, i = 0, err;
int ring;
struct netxen_recv_context *recv_ctx = NULL;
@@ -237,13 +238,28 @@ netxen_nic_probe(struct pci_dev *pdev, c
mem_len = pci_resource_len(pdev, 0);
/* 128 Meg of memory */
- mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
- mem_ptr1 =
- ioremap(mem_base + SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_SIZE);
- mem_ptr2 =
- ioremap(mem_base + THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
+ if (mem_len == NETXEN_PCI_128MB_SIZE) {
+ mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
+ mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
+ SECOND_PAGE_GROUP_SIZE);
+ mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
+ THIRD_PAGE_GROUP_SIZE);
+ first_page_group_start = FIRST_PAGE_GROUP_START;
+ first_page_group_end = FIRST_PAGE_GROUP_END;
+ } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
+ mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
+ mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
+ SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
+ first_page_group_start = 0;
+ first_page_group_end = 0;
+ } else {
+ DPRINTK(1, ERR, "Invalid PCI memory mapped length\n");
+ err = -EIO;
+ goto err_out_free_res;
+ }
- if ((mem_ptr0 == 0UL) || (mem_ptr1 == 0UL) || (mem_ptr2 == 0UL)) {
+ if (((mem_ptr0 == 0UL) && (mem_len == NETXEN_PCI_128MB_SIZE))
+ || (mem_ptr1 == 0UL) || (mem_ptr2 == 0UL)) {
DPRINTK(ERR,
"Cannot remap adapter memory aborting.:"
"0 -> %p, 1 -> %p, 2 -> %p\n",
@@ -379,6 +395,8 @@ #endif
adapter->cmd_buf_arr = cmd_buf_arr;
adapter->ahw.pci_base0 = mem_ptr0;
+ 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;
adapter->ahw.pci_base2 = mem_ptr2;
adapter->ahw.db_base = db_ptr;
-
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