Add support for CESA on Armada38x

Changes:
- added new SoC ID in CESA attach
- allowed crypto driver IDs other than 0
- added CESA nodes to Armada38x .dts files
- enabled required devices in kernconf

Submitted by:	Michal Stanek <mst@semihalf.com>
Obtained from:	Semihalf
Sponsored by:	Stormshield
Differential revision:	https://reviews.freebsd.org/D6220

sys/arm/conf/ARMADA38X

@@ -81,6 +81,11 @@ device		iic
 device		iicbus
 device		twsi
 
+# CESA
+device		cesa
+device		crypto
+device		cryptodev
+
 #FDT
 options 	FDT
 options 	FDT_DTB_STATIC

sys/boot/fdt/dts/arm/armada-388-gp.dts

@@ -62,6 +62,13 @@
 		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
 
 		internal-regs {
+			crypto@90000 {
+				status = "okay";
+			};
+			crypto@92000 {
+				status = "okay";
+			};
+
 			spi@10600 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&spi0_pins>;

sys/boot/fdt/dts/arm/armada-38x.dtsi

@@ -63,6 +63,8 @@
 		gpio1 = &gpio1;
 		serial0 = &uart0;
 		serial1 = &uart1;
+		sram0 = &SRAM0;
+		sram1 = &SRAM1;
 	};
 
 	pmu {
@@ -70,6 +72,16 @@
 		interrupts-extended = <&mpic 3>;
 	};
 
+	SRAM0: sram@f1100000 {
+		compatible = "mrvl,cesa-sram";
+		reg = <0xf1100000 0x0010000>;
+	};
+
+	SRAM1: sram@f1110000 {
+		compatible = "mrvl,cesa-sram";
+		reg = <0xf1110000 0x0010000>;
+	};
+
 	soc {
 		compatible = "marvell,armada380-mbus", "simple-bus";
 		#address-cells = <2>;
@@ -140,6 +152,25 @@
 			#size-cells = <1>;
 			ranges = <0 MBUS_ID(0xf0, 0x01) 0 0x100000>;
 
+			crypto@90000 {
+				compatible = "mrvl,cesa";
+				reg = <0x90000 0x10000>;
+				interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-parent = <&gic>;
+				sram-handle = <&SRAM0>;
+				status = "disabled";
+			};
+
+			crypto@92000 {
+				compatible = "mrvl,cesa";
+				reg = <0x92000 0x1000	/* tdma base reg chan 1 */
+				       0x9F000 0x1000>;	/* cesa base reg chan 1 */
+				interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-parent = <&gic>;
+				sram-handle = <&SRAM1>;
+				status = "disabled";
+			};
+
 			L2: cache-controller@8000 {
 				compatible = "arm,pl310-cache";
 				reg = <0x8000 0x1000>;

sys/dev/cesa/cesa.c

@@ -1043,6 +1043,7 @@ cesa_attach(device_t dev)
 	switch (d) {
 	case MV_DEV_88F6281:
 	case MV_DEV_88F6282:
+	case MV_DEV_88F6828:
 		sc->sc_tperr = 0;
 		break;
 	case MV_DEV_MV78100:
@@ -1214,7 +1215,7 @@ cesa_attach(device_t dev)
 
 	/* Register in OCF */
 	sc->sc_cid = crypto_get_driverid(dev, CRYPTOCAP_F_HARDWARE);
-	if (sc->sc_cid) {
+	if (sc->sc_cid < 0) {
 		device_printf(dev, "could not get crypto driver id\n");
 		goto err8;
 	}