arm64: zynqmp: Split emmc configuration into emmc0 and emmc1

This patch splits the current mini emmc configuration into emmc0
and emmc1 configurations because emmc is probed at boot time and on
systems which have only one interface mini configuration is failing on
unused interface. This patch also adds required clock node in dts and
enables CONFIG_MMC_SDHCI_ZYNQ through defconfig.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

5 files changed, 126 insertions, 16 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 078c21b4010..493652ea8c4 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -147,7 +147,8 @@ dtb-$(CONFIG_ARCH_ZYNQ) += \
 	zynq-zturn.dtb \
 	zynq-zybo.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += \
-	zynqmp-mini-emmc.dtb			\
+	zynqmp-mini-emmc0.dtb			\
+	zynqmp-mini-emmc1.dtb			\
 	zynqmp-mini-nand.dtb			\
 	zynqmp-zcu100-revC.dtb			\
 	zynqmp-zcu102-revA.dtb			\
diff --git a/arch/arm/dts/zynqmp-mini-emmc.dts b/arch/arm/dts/zynqmp-mini-emmc0.dts
index e5b3c5fc78c..24dd1ab9df0 100644
--- a/arch/arm/dts/zynqmp-mini-emmc.dts
+++ b/arch/arm/dts/zynqmp-mini-emmc0.dts
@@ -18,7 +18,6 @@
 	aliases {
 		serial0 = &dcc;
 		mmc0 = &sdhci0;
-		mmc1 = &sdhci1;
 	};
 
 	chosen {
@@ -36,6 +35,12 @@
 		u-boot,dm-pre-reloc;
 	};
 
+	clk_xin: clk_xin {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <200000000>;
+	};
+
 	amba: amba {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -50,15 +55,6 @@
 			clock-names = "clk_xin", "clk_ahb";
 			xlnx,device_id = <0>;
 		};
-
-		sdhci1: sdhci@ff170000 {
-			u-boot,dm-pre-reloc;
-			compatible = "xlnx,zynqmp-8.9a", "arasan,sdhci-8.9a";
-			status = "disabled";
-			reg = <0x0 0xff170000 0x0 0x1000>;
-			clock-names = "clk_xin", "clk_ahb";
-			xlnx,device_id = <1>;
-		};
 	};
 };
 
@@ -69,7 +65,3 @@
 &sdhci0 {
 	status = "okay";
 };
-
-&sdhci1 {
-	status = "okay";
-};
diff --git a/arch/arm/dts/zynqmp-mini-emmc1.dts b/arch/arm/dts/zynqmp-mini-emmc1.dts
new file mode 100644
index 00000000000..d1549b6dc6d
--- /dev/null
+++ b/arch/arm/dts/zynqmp-mini-emmc1.dts
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dts file for Xilinx ZynqMP Mini Configuration
+ *
+ * (C) Copyright 2018, Xilinx, Inc.
+ *
+ * Siva Durga Prasad <siva.durga.paladugu@xilinx.com>
+ */
+
+/dts-v1/;
+
+/ {
+	model = "ZynqMP MINI EMMC";
+	compatible = "xlnx,zynqmp";
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	aliases {
+		serial0 = &dcc;
+		mmc0 = &sdhci1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x20000000>;
+	};
+
+	dcc: dcc {
+		compatible = "arm,dcc";
+		status = "disabled";
+		u-boot,dm-pre-reloc;
+	};
+
+	clk_xin: clk_xin {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <200000000>;
+	};
+
+	amba: amba {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		sdhci1: sdhci@ff170000 {
+			u-boot,dm-pre-reloc;
+			compatible = "xlnx,zynqmp-8.9a", "arasan,sdhci-8.9a";
+			status = "disabled";
+			reg = <0x0 0xff170000 0x0 0x1000>;
+			clock-names = "clk_xin", "clk_xin";
+			xlnx,device_id = <1>;
+		};
+	};
+};
+
+&dcc {
+	status = "okay";
+};
+
+&sdhci1 {
+	status = "okay";
+};
diff --git a/configs/xilinx_zynqmp_mini_emmc_defconfig b/configs/xilinx_zynqmp_mini_emmc0_defconfig
index a1ab39e3b73..ffb9693c10f 100644
--- a/configs/xilinx_zynqmp_mini_emmc_defconfig
+++ b/configs/xilinx_zynqmp_mini_emmc0_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYS_CONFIG_NAME="xilinx_zynqmp_mini_emmc"
 CONFIG_ARCH_ZYNQMP=y
 CONFIG_SYS_TEXT_BASE=0x10000
 # CONFIG_CMD_ZYNQMP is not set
-CONFIG_DEFAULT_DEVICE_TREE="zynqmp-mini-emmc"
+CONFIG_DEFAULT_DEVICE_TREE="zynqmp-mini-emmc0"
 CONFIG_ENV_VARS_UBOOT_CONFIG=y
 CONFIG_FIT=y
 CONFIG_BOOTDELAY=-1
@@ -45,4 +45,5 @@ CONFIG_OF_EMBED=y
 # CONFIG_DM_DEVICE_REMOVE is not set
 CONFIG_DM_MMC=y
 CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ZYNQ=y
 # CONFIG_EFI_LOADER is not set
diff --git a/configs/xilinx_zynqmp_mini_emmc1_defconfig b/configs/xilinx_zynqmp_mini_emmc1_defconfig
new file mode 100644
index 00000000000..edca32d28e2
--- /dev/null
+++ b/configs/xilinx_zynqmp_mini_emmc1_defconfig
@@ -0,0 +1,49 @@
+CONFIG_ARM=y
+CONFIG_SYS_CONFIG_NAME="xilinx_zynqmp_mini_emmc"
+CONFIG_ARCH_ZYNQMP=y
+CONFIG_SYS_TEXT_BASE=0x10000
+# CONFIG_CMD_ZYNQMP is not set
+CONFIG_DEFAULT_DEVICE_TREE="zynqmp-mini-emmc1"
+CONFIG_ENV_VARS_UBOOT_CONFIG=y
+CONFIG_FIT=y
+CONFIG_BOOTDELAY=-1
+CONFIG_SUPPORT_RAW_INITRD=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_BOARD_EARLY_INIT_R=y
+# CONFIG_CMDLINE_EDITING is not set
+# CONFIG_AUTO_COMPLETE is not set
+CONFIG_SYS_PROMPT="ZynqMP> "
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_CONSOLE is not set
+# CONFIG_CMD_BOOTD is not set
+# CONFIG_CMD_BOOTM is not set
+# CONFIG_CMD_BOOTI is not set
+# CONFIG_CMD_GO is not set
+# CONFIG_CMD_RUN is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+# CONFIG_CMD_EDITENV is not set
+# CONFIG_CMD_SAVEENV is not set
+# CONFIG_CMD_ENV_EXISTS is not set
+# CONFIG_CMD_CRC32 is not set
+# CONFIG_CMD_DM is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+# CONFIG_CMD_ECHO is not set
+# CONFIG_CMD_ITEST is not set
+# CONFIG_CMD_SOURCE is not set
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+# CONFIG_NET is not set
+# CONFIG_DM_WARN is not set
+# CONFIG_DM_DEVICE_REMOVE is not set
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ZYNQ=y
+# CONFIG_EFI_LOADER is not set