Merge tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux into next/soc

Support for Calxeda ECX-2000 SOC from Rob Herring

* tag 'calxeda-ecx-2000' of git://sources.calxeda.com/kernel/linux:
  ARM: highbank: Add initial ECX-2000 support
  ARM: highbank: abstract out SCU usage
  ARM: smp_twd: don't warn on no DT node
  ARM: dts: Add Calxeda ECX-2000 support
  ARM: highbank: enable coherent DMA for xgmac in dts
  ARM: highbank: disable unused sdhci and gpio in dts
  + sync to Linux 3.7-rc3

3 files changed, 27 insertions, 24 deletions

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index a4da893ac1e1..378988b5709a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -251,6 +251,8 @@ struct adapter_params {
 	unsigned char rev;                /* chip revision */
 	unsigned char offload;
 
+	unsigned char bypass;
+
 	unsigned int ofldq_wr_cred;
 };
 
@@ -642,6 +644,23 @@ extern int dbfifo_int_thresh;
 #define for_each_port(adapter, iter) \
 	for (iter = 0; iter < (adapter)->params.nports; ++iter)
 
+static inline int is_bypass(struct adapter *adap)
+{
+	return adap->params.bypass;
+}
+
+static inline int is_bypass_device(int device)
+{
+	/* this should be set based upon device capabilities */
+	switch (device) {
+	case 0x440b:
+	case 0x440c:
+		return 1;
+	default:
+		return 0;
+	}
+}
+
 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
 {
 	return adap->params.vpd.cclk / 1000;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 604f4f87f550..c1cde11b0c6d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -3513,18 +3513,6 @@ static int adap_init0_no_config(struct adapter *adapter, int reset)
 	if (ret < 0)
 		goto bye;
 
-#ifndef CONFIG_CHELSIO_T4_OFFLOAD
-	/*
-	 * If we're a pure NIC driver then disable all offloading facilities.
-	 * This will allow the firmware to optimize aspects of the hardware
-	 * configuration which will result in improved performance.
-	 */
-	caps_cmd.ofldcaps = 0;
-	caps_cmd.iscsicaps = 0;
-	caps_cmd.rdmacaps = 0;
-	caps_cmd.fcoecaps = 0;
-#endif
-
 	if (caps_cmd.niccaps & htons(FW_CAPS_CONFIG_NIC_VM)) {
 		if (!vf_acls)
 			caps_cmd.niccaps ^= htons(FW_CAPS_CONFIG_NIC_VM);
@@ -3745,6 +3733,7 @@ static int adap_init0(struct adapter *adap)
 	u32 v, port_vec;
 	enum dev_state state;
 	u32 params[7], val[7];
+	struct fw_caps_config_cmd caps_cmd;
 	int reset = 1, j;
 
 	/*
@@ -3898,6 +3887,9 @@ static int adap_init0(struct adapter *adap)
 			goto bye;
 	}
 
+	if (is_bypass_device(adap->pdev->device))
+		adap->params.bypass = 1;
+
 	/*
 	 * Grab some of our basic fundamental operating parameters.
 	 */
@@ -3940,13 +3932,12 @@ static int adap_init0(struct adapter *adap)
 		adap->tids.aftid_end = val[1];
 	}
 
-#ifdef CONFIG_CHELSIO_T4_OFFLOAD
 	/*
 	 * Get device capabilities so we can determine what resources we need
 	 * to manage.
 	 */
 	memset(&caps_cmd, 0, sizeof(caps_cmd));
-	caps_cmd.op_to_write = htonl(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
+	caps_cmd.op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
 				     FW_CMD_REQUEST | FW_CMD_READ);
 	caps_cmd.retval_len16 = htonl(FW_LEN16(caps_cmd));
 	ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
@@ -3991,15 +3982,6 @@ static int adap_init0(struct adapter *adap)
 		adap->vres.ddp.size = val[4] - val[3] + 1;
 		adap->params.ofldq_wr_cred = val[5];
 
-		params[0] = FW_PARAM_PFVF(ETHOFLD_START);
-		params[1] = FW_PARAM_PFVF(ETHOFLD_END);
-		ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2,
-				      params, val);
-		if ((val[0] != val[1]) && (ret >= 0)) {
-			adap->tids.uotid_base = val[0];
-			adap->tids.nuotids = val[1] - val[0] + 1;
-		}
-
 		adap->params.offload = 1;
 	}
 	if (caps_cmd.rdmacaps) {
@@ -4048,7 +4030,6 @@ static int adap_init0(struct adapter *adap)
 	}
 #undef FW_PARAM_PFVF
 #undef FW_PARAM_DEV
-#endif /* CONFIG_CHELSIO_T4_OFFLOAD */
 
 	/*
 	 * These are finalized by FW initialization, load their values now.
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index 1b899fea1a91..39bec73ff87c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -102,6 +102,9 @@ struct tid_info {
 	unsigned int ftid_base;
 	unsigned int aftid_base;
 	unsigned int aftid_end;
+	/* Server filter region */
+	unsigned int sftid_base;
+	unsigned int nsftids;
 
 	spinlock_t atid_lock ____cacheline_aligned_in_smp;
 	union aopen_entry *afree;