From: Michal Wilczynski <m.wilczynski@samsung.com>
Date: Wed, 28 Aug 2024 08:13:08 +0000 (+0200)
Subject: riscv: dts: spacemit: Add separate dram ranges for ethernet nodes
X-Git-Tag: accepted/tizen/unified/x/20240911.015644~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0d72ae243d6d2c0220a229108d7ecbf5737a68df;p=platform%2Fkernel%2Flinux-riscv.git

riscv: dts: spacemit: Add separate dram ranges for ethernet nodes

It's better to use separate dram ranges for DMA, for different types of
nodes. Copy this changes as is from [1].

[1] - https://github.com/BPI-SINOVOIP/pi-linux/tree/linux-6.6.36-k1

Change-Id: I35aa038273aefc1b30408fbf978694ef8d1c9a42
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
---

diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index dbe2b4fa0bb6..30b3cec7da82 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -532,7 +532,7 @@
 			power-domains = <&power K1X_PMU_BUS_PWR_DOMAIN>;
 			clk,pm-runtime,no-sleep;
 			cpuidle,pm-runtime,sleep;
-			interconnects = <&dram_range0>;
+			interconnects = <&dram_range4>;
 			interconnect-names = "dma-mem";
 			status = "ok";
 		};
@@ -564,7 +564,7 @@
                         spacemit,apb_clock = <52000000>;
                         power-domains = <&power K1X_PMU_BUS_PWR_DOMAIN>;
                         cpuidle,pm-runtime,sleep;
-			interconnects = <&dram_range0>;
+			interconnects = <&dram_range4>;
 			interconnect-names = "dma-mem";
                         status = "disabled";
                 };
@@ -596,7 +596,7 @@
                         spacemit,apb_clock = <52000000>;
                         power-domains = <&power K1X_PMU_BUS_PWR_DOMAIN>;
                         cpuidle,pm-runtime,sleep;
-			interconnects = <&dram_range0>;
+			interconnects = <&dram_range4>;
 			interconnect-names = "dma-mem";
                         status = "disabled";
                 };
@@ -622,6 +622,28 @@
 			status = "okay";
 		};
 
+		/* dram mapping for dma&users for ex. */
+		dram_range4: dram_range@4 {
+			compatible = "spacemit-dram-bus";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			dma-ranges = <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>,
+				     <0x1 0x00000000 0x1 0x80000000 0x3 0x00000000>;
+			#interconnect-cells = <0>;
+			status = "okay";
+		};
+
+
+		/* dram mapping for eth/crypto/jpu for ex. */
+		dram_range5: dram_range@5 {
+			compatible = "spacemit-dram-bus";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			dma-ranges = <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>,
+				     <0x0 0x80000000 0x1 0x00000000 0x0 0x80000000>;
+			#interconnect-cells = <0>;
+			status = "okay";
+		};
 
 		pinctrl: pinctrl@d401e000 {
 			compatible = "pinconf-single";
@@ -687,7 +709,7 @@
 			power-domains = <&power K1X_PMU_BUS_PWR_DOMAIN>;
 			clk,pm-runtime,no-sleep;
 			cpuidle,pm-runtime,sleep;
-			interconnects = <&dram_range1>;
+			interconnects = <&dram_range5>;
 			interconnect-names = "dma-mem";
 			status = "disabled";
 		};
@@ -711,7 +733,7 @@
 			power-domains = <&power K1X_PMU_BUS_PWR_DOMAIN>;
 			clk,pm-runtime,no-sleep;
 			cpuidle,pm-runtime,sleep;
-			interconnects = <&dram_range1>;
+			interconnects = <&dram_range5>;
 			interconnect-names = "dma-mem";
 			status = "disabled";
 		};