netdev - [PATCH 7/9 net-next-2.6] qlcnic: Use flt method to determine flash fw region

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Message-ID: <alpine.OSX.2.00.1103312139040.47460@n5102mn2hhgf91.qlogic.org>
Date:	Thu, 31 Mar 2011 21:40:16 -0700
From:	Anirban Chakraborty <anirban.chakraborty@...gic.com>
To:	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	Dept_NX_Linux_NIC_Driver <Dept_NX_Linux_NIC_Driver@...gic.com>
Subject: [PATCH 7/9 net-next-2.6] qlcnic: Use flt method to determine flash
 fw region

From: Sritej Velaga <sritej.velaga@...gic.com>

Use flash layout table to get flash fw starting address and its size.
If that fails, use legacy method.

Signed-off-by: Sritej Velaga <sritej.velaga@...gic.com>
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@...gic.com>
---
 drivers/net/qlcnic/qlcnic.h      |    3 ++-
 drivers/net/qlcnic/qlcnic_init.c |   17 ++++++++++++++---
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 9d2e630..d9dd2c4 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -292,6 +292,7 @@ struct uni_data_desc{
 /* Flash Defines and Structures */
 #define QLCNIC_FLT_LOCATION    0x3F1000
 #define QLCNIC_FW_IMAGE_REGION 0x74
+#define QLCNIC_BOOTLD_REGION    0X72
 struct qlcnic_flt_header {
        u16 version;
        u16 len;
@@ -306,7 +307,7 @@ struct qlcnic_flt_entry {
        u8 reserved1;
        u32 size;
        u32 start_addr;
-       u32 end_add;
+       u32 end_addr;
 };

 /* Magic number to let user know flash is programmed */
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 74ec96d..4ec0eeb 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -1130,9 +1130,20 @@ qlcnic_load_firmware(struct qlcnic_adapter *adapter)
        } else {
                u64 data;
                u32 hi, lo;
-
-               size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
-               flashaddr = QLCNIC_BOOTLD_START;
+               int ret;
+               struct qlcnic_flt_entry bootld_entry;
+
+               ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION,
+                                       &bootld_entry);
+               if (!ret) {
+                       size = bootld_entry.size / 8;
+                       flashaddr = bootld_entry.start_addr;
+               } else {
+                       size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
+                       flashaddr = QLCNIC_BOOTLD_START;
+                       dev_info(&pdev->dev,
+                               "using legacy method to get flash fw region");
+               }

                for (i = 0; i < size; i++) {
                        if (qlcnic_rom_fast_read(adapter,
--
1.7.4.1


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