Author: CMY <cmy@rock-chips.com>

    rk: dts: more convenient to modify CMA region

diff --git a/arch/arm/boot/dts/rk3288-p977_8846.dts b/arch/arm/boot/dts/rk3288-p977_8846.dts
index 564acef9ce03140a05c971542f1615e1b05cbc3c..a31b959ec98d5bc611d3a9e8c19b3abd853f16aa 100755 (executable)
--- a/arch/arm/boot/dts/rk3288-p977_8846.dts
+++ b/arch/arm/boot/dts/rk3288-p977_8846.dts
@@ -155,6 +155,10 @@
                rockchip,remote_wakeup;
                rockchip,usb_irq_wakeup;
        };
+
+        chosen {
+                bootargs = "vmalloc=512M";
+        };
 };
 &pinctrl {
        gpio0_gpio {
@@ -926,4 +930,6 @@
 &sdmmc0_vdd_domain{
        regulator-name = "vcc_sd";                      
        };
-       
+&ion_cma {
+       reg = <0x40000000 0x20000000>; /* 512MB */
+};