cxgb3 - TP SRAM update

The chip executes microcode present in internal RAM,
whose content is loaded from EEPROM on power cycle.
This patch allows an update of the microcode through PIO
without forcing a power cycle.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 8d1379633698..16378004507a 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -101,6 +101,7 @@ enum {
         TCB_SIZE = 128,         /* TCB size */
         NMTUS = 16,             /* size of MTU table */
         NCCTRL_WIN = 32,        /* # of congestion control windows */
+        PROTO_SRAM_LINES = 128, /* size of TP sram */
 };
 
 #define MAX_RX_COALESCING_LEN 16224U
@@ -124,6 +125,30 @@ enum {				/* adapter interrupt-maintained statistics */
 };
 
 enum {
+        TP_VERSION_MAJOR        = 1,
+        TP_VERSION_MINOR        = 0,
+        TP_VERSION_MICRO        = 44
+};
+
+#define S_TP_VERSION_MAJOR              16
+#define M_TP_VERSION_MAJOR              0xFF
+#define V_TP_VERSION_MAJOR(x)           ((x) << S_TP_VERSION_MAJOR)
+#define G_TP_VERSION_MAJOR(x)           \
+            (((x) >> S_TP_VERSION_MAJOR) & M_TP_VERSION_MAJOR)
+
+#define S_TP_VERSION_MINOR              8
+#define M_TP_VERSION_MINOR              0xFF
+#define V_TP_VERSION_MINOR(x)           ((x) << S_TP_VERSION_MINOR)
+#define G_TP_VERSION_MINOR(x)           \
+            (((x) >> S_TP_VERSION_MINOR) & M_TP_VERSION_MINOR)
+
+#define S_TP_VERSION_MICRO              0
+#define M_TP_VERSION_MICRO              0xFF
+#define V_TP_VERSION_MICRO(x)           ((x) << S_TP_VERSION_MICRO)
+#define G_TP_VERSION_MICRO(x)           \
+            (((x) >> S_TP_VERSION_MICRO) & M_TP_VERSION_MICRO)
+
+enum {
         SGE_QSETS = 8,          /* # of SGE Tx/Rx/RspQ sets */
         SGE_RXQ_PER_SET = 2,    /* # of Rx queues per set */
         SGE_TXQ_PER_SET = 3     /* # of Tx queues per set */
@@ -654,6 +679,9 @@ const struct adapter_info *t3_get_adapter_info(unsigned int board_id);
 int t3_seeprom_read(struct adapter *adapter, u32 addr, u32 *data);
 int t3_seeprom_write(struct adapter *adapter, u32 addr, u32 data);
 int t3_seeprom_wp(struct adapter *adapter, int enable);
+int t3_check_tpsram_version(struct adapter *adapter);
+int t3_check_tpsram(struct adapter *adapter, u8 *tp_ram, unsigned int size);
+int t3_set_proto_sram(struct adapter *adap, u8 *data);
 int t3_read_flash(struct adapter *adapter, unsigned int addr,
                   unsigned int nwords, u32 *data, int byte_oriented);
 int t3_load_fw(struct adapter *adapter, const u8 * fw_data, unsigned int size);