qlcnic: FW dump support

Added code to take FW dump.
o Driver queries FW at the init time and gets the dump template
o It takes FW dump as per the dump template
o Level of FW dump (and its size) is configured via dump flag

Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic_hdr.h b/drivers/net/qlcnic/qlcnic_hdr.h
index 726ef55..d14506f 100644
--- a/drivers/net/qlcnic/qlcnic_hdr.h
+++ b/drivers/net/qlcnic/qlcnic_hdr.h
@@ -492,10 +492,10 @@
 
 #define TEST_AGT_CTRL	(0x00)
 
-#define TA_CTL_START	1
-#define TA_CTL_ENABLE	2
-#define TA_CTL_WRITE	4
-#define TA_CTL_BUSY	8
+#define TA_CTL_START	BIT_0
+#define TA_CTL_ENABLE	BIT_1
+#define TA_CTL_WRITE	BIT_2
+#define TA_CTL_BUSY	BIT_3
 
 /*
  *   Register offsets for MN
@@ -765,6 +765,38 @@
 #define QLCNIC_MAX_PCI_FUNC	8
 #define QLCNIC_MAX_VLAN_FILTERS	64
 
+/* FW dump defines */
+#define MIU_TEST_CTR		0x41000090
+#define MIU_TEST_ADDR_LO	0x41000094
+#define MIU_TEST_ADDR_HI	0x41000098
+#define FLASH_ROM_WINDOW	0x42110030
+#define FLASH_ROM_DATA		0x42150000
+
+static const u32 MIU_TEST_READ_DATA[] = {
+	0x410000A8, 0x410000AC, 0x410000B8, 0x410000BC, };
+
+#define QLCNIC_FW_DUMP_REG1	0x00130060
+#define QLCNIC_FW_DUMP_REG2	0x001e0000
+#define QLCNIC_FLASH_SEM2_LK	0x0013C010
+#define QLCNIC_FLASH_SEM2_ULK	0x0013C014
+#define QLCNIC_FLASH_LOCK_ID	0x001B2100
+
+#define QLCNIC_RD_DUMP_REG(addr, bar0, data) do {			\
+	writel((addr & 0xFFFF0000), (void *) (bar0 +			\
+		QLCNIC_FW_DUMP_REG1));					\
+	readl((void *) (bar0 + QLCNIC_FW_DUMP_REG1));			\
+	*data = readl((void *) (bar0 + QLCNIC_FW_DUMP_REG2 +		\
+		LSW(addr)));						\
+} while (0)
+
+#define QLCNIC_WR_DUMP_REG(addr, bar0, data) do {			\
+	writel((addr & 0xFFFF0000), (void *) (bar0 +			\
+		QLCNIC_FW_DUMP_REG1));					\
+	readl((void *) (bar0 + QLCNIC_FW_DUMP_REG1));			\
+	writel(data, (void *) (bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr)));\
+	readl((void *) (bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr)));	\
+} while (0)
+
 /* PCI function operational mode */
 enum {
 	QLCNIC_MGMT_FUNC	= 0,