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>

1 files changed, 36 insertions, 4 deletions

diff --git a/drivers/net/qlcnic/qlcnic_hdr.h b/drivers/net/qlcnic/qlcnic_hdr.h
index 726ef555b6b..d14506f764e 100644
--- a/drivers/net/qlcnic/qlcnic_hdr.h
+++ b/drivers/net/qlcnic/qlcnic_hdr.h
@@ -492,10 +492,10 @@ enum {
 
 #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 @@ struct qlcnic_legacy_intr_set {
 #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,