arm64: Add Xilinx ZynqMP support

Add basic Xilinx ZynqMP arm64 support.
Serial and SD is supported.
It supports emulation platfrom ep108 and QEMU.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

4 files changed, 119 insertions, 0 deletions

diff --git a/board/xilinx/zynqmp/Kconfig b/board/xilinx/zynqmp/Kconfig
new file mode 100644
index 0000000..b07932e
--- /dev/null
+++ b/board/xilinx/zynqmp/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_XILINX_ZYNQMP
+
+config SYS_BOARD
+	default "zynqmp"
+
+config SYS_VENDOR
+	default "xilinx"
+
+config SYS_SOC
+	default "zynqmp"
+
+config SYS_CONFIG_NAME
+	default "xilinx_zynqmp"
+
+endif
diff --git a/board/xilinx/zynqmp/MAINTAINERS b/board/xilinx/zynqmp/MAINTAINERS
new file mode 100644
index 0000000..da33340
--- /dev/null
+++ b/board/xilinx/zynqmp/MAINTAINERS
@@ -0,0 +1,6 @@
+XILINX_ZYNQMP BOARD
+M:	Michal Simek <michal.simek@xilinx.com>
+S:	Maintained
+F:	board/xilinx/zynqmp/
+F:	include/configs/xilinx_zynqmp.h
+F:	configs/xilinx_zynqmp_defconfig
diff --git a/board/xilinx/zynqmp/Makefile b/board/xilinx/zynqmp/Makefile
new file mode 100644
index 0000000..2ab3f19
--- /dev/null
+++ b/board/xilinx/zynqmp/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2014 - 2015 Xilinx, Inc.
+# Michal Simek <michal.simek@xilinx.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= zynqmp.o
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
new file mode 100644
index 0000000..1325bca
--- /dev/null
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -0,0 +1,90 @@
+/*
+ * (C) Copyright 2014 - 2015 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	return 0;
+}
+
+int board_early_init_r(void)
+{
+	u32 val;
+
+	val = readl(&crlapb_base->timestamp_ref_ctrl);
+	val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
+	writel(val, &crlapb_base->timestamp_ref_ctrl);
+
+	/* Program freq register in System counter and enable system counter */
+	writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
+	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
+	       ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
+	       &iou_scntr->counter_control_register);
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+	return 0;
+}
+
+int timer_init(void)
+{
+	return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+}
+
+#ifdef CONFIG_CMD_MMC
+int board_mmc_init(bd_t *bd)
+{
+	int ret = 0;
+
+#if defined(CONFIG_ZYNQ_SDHCI)
+# if defined(CONFIG_ZYNQ_SDHCI0)
+	ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
+# endif
+# if defined(CONFIG_ZYNQ_SDHCI1)
+	ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
+# endif
+#endif
+
+	return ret;
+}
+#endif
+
+int board_late_init(void)
+{
+	u32 reg = 0;
+	u8 bootmode;
+
+	reg = readl(&crlapb_base->boot_mode);
+	bootmode = reg & BOOT_MODES_MASK;
+
+	switch (bootmode) {
+	case SD_MODE:
+		setenv("modeboot", "sdboot");
+		break;
+	default:
+		printf("Invalid Boot Mode:0x%x\n", bootmode);
+		break;
+	}
+
+	return 0;
+}