sd_emmc_b: sd@5000 {
                                compatible = "amlogic,meson-axg-mmc";
-                               reg = <0x0 0x5000 0x0 0x2000>;
+                               reg = <0x0 0x5000 0x0 0x800>;
                                interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                                clocks = <&clkc CLKID_SD_EMMC_B>,
 
                        sd_emmc_c: mmc@7000 {
                                compatible = "amlogic,meson-axg-mmc";
-                               reg = <0x0 0x7000 0x0 0x2000>;
+                               reg = <0x0 0x7000 0x0 0x800>;
                                interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                                clocks = <&clkc CLKID_SD_EMMC_C>,
 
 
                        sd_emmc_a: mmc@70000 {
                                compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
-                               reg = <0x0 0x70000 0x0 0x2000>;
+                               reg = <0x0 0x70000 0x0 0x800>;
                                interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                        };
 
                        sd_emmc_b: mmc@72000 {
                                compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
-                               reg = <0x0 0x72000 0x0 0x2000>;
+                               reg = <0x0 0x72000 0x0 0x800>;
                                interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                        };
 
                        sd_emmc_c: mmc@74000 {
                                compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
-                               reg = <0x0 0x74000 0x0 0x2000>;
+                               reg = <0x0 0x74000 0x0 0x800>;
                                interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                        };