packge/hw-c910: Support dmac

Signed-off-by: Liu Yibin <[email protected]>
c-sky · Jul 4, 2020 · 3aa2e4e · 3aa2e4e
1 parent 3eb4dcd
commit 3aa2e4e
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Showing 2 changed files with 23 additions and 1 deletion.
diff --git a/package/hw-c910/hw/ice.dts.txt b/package/hw-c910/hw/ice.dts.txt
@@ -256,7 +256,7 @@
 			reg = <0x3 0xf0000000 0x0 0x04000000>;
 			reg-names = "control";
 			riscv,max-priority = <7>;
-			riscv,ndev = <64>;
+			riscv,ndev = <128>;
 		};
 
 		dummy_apb: apb-clock {
@@ -291,6 +291,24 @@
 			max-frequency = <25000000>;
 		};
 
+		dmac0: dmac@3fffd0000 {
+			compatible = "snps,axi-dma-1.01a";
+			reg = <0x3 0xfffd0000 0x0 0x1000>;
+			interrupt-parent = <&intc>;
+			interrupts = <65>;
+			clocks = <&dummy_apb>, <&dummy_apb>;
+			clock-names = "core-clk", "cfgr-clk";
+
+			dma-channels = <8>;
+			snps,block-size = <65536 65536 65536 65536 65536 65536 65536 65536>;
+			snps,priority = <0 1 2 3 4 5 6 7>;
+			snps,dma-masters = <1>;
+			snps,data-width = <4>;
+			snps,axi-max-burst-len = <16>;
+
+			status = "ok";
+		};
+
 		gmac: ethernet@3fffc0000 {
 			compatible = "snps,dwmac";
 			reg = <0x3 0xfffc0000 0x0 0x2000>;

diff --git a/package/linux-patch-c910/linux-5.1.config.fragment b/package/linux-patch-c910/linux-5.1.config.fragment
@@ -17,3 +17,7 @@ CONFIG_HW_RANDOM_VIRTIO=y
 CONFIG_FUSE_FS=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_DEBUG_ATOMIC_SLEEP=y
+
+CONFIG_DMADEVICES=y
+CONFIG_DW_DMAC=y
+CONFIG_DWTEST=y