arm64: dts: NS2: Add dma-coherent to relevant DT entries

Cache related issues with DMA rings and performance issues related to
caching are being caused by not properly setting the "dma-coherent" flag
in the device tree entries.  Adding it here to correct the issue.

Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Fixes: fd5e5dd56 ("arm64: dts: Add PCIe0 and PCIe4 DT nodes for NS2")
Fixes: dddc3c9d7 ("arm64: dts: NS2: add AMAC ethernet support")
Fixes: e79249143 ("arm64: dts: Add Broadcom Northstar2 device tree entries for PDC driver")
Fixes: ac9aae00f ("arm64: dts: Add SATA3 AHCI and SATA3 PHY DT nodes for NS2")
Fixes: efc877676 ("arm64: dts: Add SDHCI DT node for NS2")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index 9f9e203c09c5ad362ae00d5038d2e52c91043f39..bcb03fc3266552e22ce855ac81677584d0937e63 100644 (file)
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -114,6 +114,7 @@
        pcie0: pcie@20020000 {
                compatible = "brcm,iproc-pcie";
                reg = <0 0x20020000 0 0x1000>;
+               dma-coherent;
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
@@ -144,6 +145,7 @@
        pcie4: pcie@50020000 {
                compatible = "brcm,iproc-pcie";
                reg = <0 0x50020000 0 0x1000>;
+               dma-coherent;
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
@@ -174,6 +176,7 @@
        pcie8: pcie@60c00000 {
                compatible = "brcm,iproc-pcie-paxc";
                reg = <0 0x60c00000 0 0x1000>;
+               dma-coherent;
                linux,pci-domain = <8>;
 
                bus-range = <0x0 0x1>;
@@ -203,6 +206,7 @@
                              <0x61030000 0x100>;
                        reg-names = "amac_base", "idm_base", "nicpm_base";
                        interrupts = <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH>;
+                       dma-coherent;
                        phy-handle = <&gphy0>;
                        phy-mode = "rgmii";
                        status = "disabled";
@@ -213,6 +217,7 @@
                        reg = <0x612c0000 0x445>;  /* PDC FS0 regs */
                        interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
                        #mbox-cells = <1>;
+                       dma-coherent;
                        brcm,rx-status-len = <32>;
                        brcm,use-bcm-hdr;
                };
@@ -222,6 +227,7 @@
                        reg = <0x612e0000 0x445>;  /* PDC FS1 regs */
                        interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>;
                        #mbox-cells = <1>;
+                       dma-coherent;
                        brcm,rx-status-len = <32>;
                        brcm,use-bcm-hdr;
                };
@@ -231,6 +237,7 @@
                        reg = <0x61300000 0x445>;  /* PDC FS2 regs */
                        interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>;
                        #mbox-cells = <1>;
+                       dma-coherent;
                        brcm,rx-status-len = <32>;
                        brcm,use-bcm-hdr;
                };
@@ -240,6 +247,7 @@
                        reg = <0x61320000 0x445>;  /* PDC FS3 regs */
                        interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
                        #mbox-cells = <1>;
+                       dma-coherent;
                        brcm,rx-status-len = <32>;
                        brcm,use-bcm-hdr;
                };
@@ -644,6 +652,7 @@
                sata: ahci@663f2000 {
                        compatible = "brcm,iproc-ahci", "generic-ahci";
                        reg = <0x663f2000 0x1000>;
+                       dma-coherent;
                        reg-names = "ahci";
                        interrupts = <GIC_SPI 438 IRQ_TYPE_LEVEL_HIGH>;
                        #address-cells = <1>;
@@ -667,6 +676,7 @@
                        compatible = "brcm,sdhci-iproc-cygnus";
                        reg = <0x66420000 0x100>;
                        interrupts = <GIC_SPI 421 IRQ_TYPE_LEVEL_HIGH>;
+                       dma-coherent;
                        bus-width = <8>;
                        clocks = <&genpll_sw BCM_NS2_GENPLL_SW_SDIO_CLK>;
                        status = "disabled";
@@ -676,6 +686,7 @@
                        compatible = "brcm,sdhci-iproc-cygnus";
                        reg = <0x66430000 0x100>;
                        interrupts = <GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH>;
+                       dma-coherent;
                        bus-width = <8>;
                        clocks = <&genpll_sw BCM_NS2_GENPLL_SW_SDIO_CLK>;
                        status = "disabled";