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-rw-r--r--drivers/net/bnx2x_main.c61
-rw-r--r--drivers/net/bnx2x_reg.h13
2 files changed, 72 insertions, 2 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 312f652872b..ea7d86d2da9 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -7006,6 +7006,64 @@ reset_task_exit:
* Init service functions
*/
+static inline u32 bnx2x_get_pretend_reg(struct bnx2x *bp, int func)
+{
+ switch (func) {
+ case 0: return PXP2_REG_PGL_PRETEND_FUNC_F0;
+ case 1: return PXP2_REG_PGL_PRETEND_FUNC_F1;
+ case 2: return PXP2_REG_PGL_PRETEND_FUNC_F2;
+ case 3: return PXP2_REG_PGL_PRETEND_FUNC_F3;
+ case 4: return PXP2_REG_PGL_PRETEND_FUNC_F4;
+ case 5: return PXP2_REG_PGL_PRETEND_FUNC_F5;
+ case 6: return PXP2_REG_PGL_PRETEND_FUNC_F6;
+ case 7: return PXP2_REG_PGL_PRETEND_FUNC_F7;
+ default:
+ BNX2X_ERR("Unsupported function index: %d\n", func);
+ return (u32)(-1);
+ }
+}
+
+static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp, int orig_func)
+{
+ u32 reg = bnx2x_get_pretend_reg(bp, orig_func), new_val;
+
+ /* Flush all outstanding writes */
+ mmiowb();
+
+ /* Pretend to be function 0 */
+ REG_WR(bp, reg, 0);
+ /* Flush the GRC transaction (in the chip) */
+ new_val = REG_RD(bp, reg);
+ if (new_val != 0) {
+ BNX2X_ERR("Hmmm... Pretend register wasn't updated: (0,%d)!\n",
+ new_val);
+ BUG();
+ }
+
+ /* From now we are in the "like-E1" mode */
+ bnx2x_int_disable(bp);
+
+ /* Flush all outstanding writes */
+ mmiowb();
+
+ /* Restore the original funtion settings */
+ REG_WR(bp, reg, orig_func);
+ new_val = REG_RD(bp, reg);
+ if (new_val != orig_func) {
+ BNX2X_ERR("Hmmm... Pretend register wasn't updated: (%d,%d)!\n",
+ orig_func, new_val);
+ BUG();
+ }
+}
+
+static inline void bnx2x_undi_int_disable(struct bnx2x *bp, int func)
+{
+ if (CHIP_IS_E1H(bp))
+ bnx2x_undi_int_disable_e1h(bp, func);
+ else
+ bnx2x_int_disable(bp);
+}
+
static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
{
u32 val;
@@ -7056,8 +7114,7 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
/* now it's safe to release the lock */
bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
- REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
- HC_REG_CONFIG_0), 0x1000);
+ bnx2x_undi_int_disable(bp, func);
/* close input traffic and wait for it */
/* Do not rcv packets to BRB */
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index 0be77c5bcef..b654d5d2a92 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -2061,6 +2061,19 @@
#define PXP2_REG_PGL_INT_XSDM_5 0x1204e8
#define PXP2_REG_PGL_INT_XSDM_6 0x1204ec
#define PXP2_REG_PGL_INT_XSDM_7 0x1204f0
+/* [RW 3] this field allows one function to pretend being another function
+ when accessing any BAR mapped resource within the device. the value of
+ the field is the number of the function that will be accessed
+ effectively. after software write to this bit it must read it in order to
+ know that the new value is updated */
+#define PXP2_REG_PGL_PRETEND_FUNC_F0 0x120674
+#define PXP2_REG_PGL_PRETEND_FUNC_F1 0x120678
+#define PXP2_REG_PGL_PRETEND_FUNC_F2 0x12067c
+#define PXP2_REG_PGL_PRETEND_FUNC_F3 0x120680
+#define PXP2_REG_PGL_PRETEND_FUNC_F4 0x120684
+#define PXP2_REG_PGL_PRETEND_FUNC_F5 0x120688
+#define PXP2_REG_PGL_PRETEND_FUNC_F6 0x12068c
+#define PXP2_REG_PGL_PRETEND_FUNC_F7 0x120690
/* [R 1] this bit indicates that a read request was blocked because of
bus_master_en was deasserted */
#define PXP2_REG_PGL_READ_BLOCKED 0x120568