Merge branch 'xgene-2nd-10gbe-port'

Iyappan Subramanian says: ==================== driver: net: xgene: Enable 2nd 10GbE port on APM X-Gene SoC This patch adds support for 2nd 10GbE on APM X-Gene SoC ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Sep 15, 2015 · 29feb66 · 29feb66
2 parents 7b6ee48 + e63c7a0
commit 29feb66
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Showing 4 changed files with 47 additions and 5 deletions.
diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
@@ -207,6 +207,17 @@
 				clock-output-names = "xge0clk";
 			};
 
+			xge1clk: xge1clk@1f62c000 {
+				compatible = "apm,xgene-device-clock";
+				status = "disabled";
+				#clock-cells = <1>;
+				clocks = <&socplldiv2 0>;
+				reg = <0x0 0x1f62c000 0x0 0x1000>;
+				reg-names = "csr-reg";
+				csr-mask = <0x3>;
+				clock-output-names = "xge1clk";
+			};
+
 			sataphy1clk: sataphy1clk@1f21c000 {
 				compatible = "apm,xgene-device-clock";
 				#clock-cells = <1>;
@@ -816,6 +827,23 @@
 			phy-connection-type = "xgmii";
 		};
 
+		xgenet1: ethernet@1f620000 {
+			compatible = "apm,xgene1-xgenet";
+			status = "disabled";
+			reg = <0x0 0x1f620000 0x0 0xd100>,
+			      <0x0 0x1f600000 0x0 0Xc300>,
+			      <0x0 0x18000000 0x0 0X8000>;
+			reg-names = "enet_csr", "ring_csr", "ring_cmd";
+			interrupts = <0x0 0x6C 0x4>,
+				     <0x0 0x6D 0x4>;
+			port-id = <1>;
+			dma-coherent;
+			clocks = <&xge1clk 0>;
+			/* mac address will be overwritten by the bootloader */
+			local-mac-address = [00 00 00 00 00 00];
+			phy-connection-type = "xgmii";
+		};
+
 		rng: rng@10520000 {
 			compatible = "apm,xgene-rng";
 			reg = <0x0 0x10520000 0x0 0x100>;

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -107,7 +107,8 @@ static void xgene_enet_set_ring_state(struct xgene_enet_desc_ring *ring)
 {
 	xgene_enet_ring_set_type(ring);
 
-	if (xgene_enet_ring_owner(ring->id) == RING_OWNER_ETH0)
+	if (xgene_enet_ring_owner(ring->id) == RING_OWNER_ETH0 ||
+	    xgene_enet_ring_owner(ring->id) == RING_OWNER_ETH1)
 		xgene_enet_ring_set_recombbuf(ring);
 
 	xgene_enet_ring_init(ring);

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1305,10 +1305,17 @@ static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
 			pdata->ring_num = START_RING_NUM_0;
 			break;
 		case 1:
-			pdata->cpu_bufnum = START_CPU_BUFNUM_1;
-			pdata->eth_bufnum = START_ETH_BUFNUM_1;
-			pdata->bp_bufnum = START_BP_BUFNUM_1;
-			pdata->ring_num = START_RING_NUM_1;
+			if (pdata->phy_mode == PHY_INTERFACE_MODE_XGMII) {
+				pdata->cpu_bufnum = XG_START_CPU_BUFNUM_1;
+				pdata->eth_bufnum = XG_START_ETH_BUFNUM_1;
+				pdata->bp_bufnum = XG_START_BP_BUFNUM_1;
+				pdata->ring_num = XG_START_RING_NUM_1;
+			} else {
+				pdata->cpu_bufnum = START_CPU_BUFNUM_1;
+				pdata->eth_bufnum = START_ETH_BUFNUM_1;
+				pdata->bp_bufnum = START_BP_BUFNUM_1;
+				pdata->ring_num = START_RING_NUM_1;
+			}
 			break;
 		default:
 			break;
@@ -1478,6 +1485,7 @@ static const struct acpi_device_id xgene_enet_acpi_match[] = {
 	{ "APMC0D05", XGENE_ENET1},
 	{ "APMC0D30", XGENE_ENET1},
 	{ "APMC0D31", XGENE_ENET1},
+	{ "APMC0D3F", XGENE_ENET1},
 	{ "APMC0D26", XGENE_ENET2},
 	{ "APMC0D25", XGENE_ENET2},
 	{ }

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -56,6 +56,11 @@
 #define START_BP_BUFNUM_1	0x2A
 #define START_RING_NUM_1	264
 
+#define XG_START_CPU_BUFNUM_1	12
+#define XG_START_ETH_BUFNUM_1	2
+#define XG_START_BP_BUFNUM_1	0x22
+#define XG_START_RING_NUM_1	264
+
 #define X2_START_CPU_BUFNUM_0	0
 #define X2_START_ETH_BUFNUM_0	0
 #define X2_START_BP_BUFNUM_0	0x20