arm: octeontx2: Add support for OcteonTX2 SoC platforms

This patch adds support for all OcteonTX2 96xx/95xx
boards from Marvell.
For 96xx boards, use octeontx_96xx_defconfig and
for 95xx boards, use octeontx_95xx_defconfig.

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>

18 files changed, 1105 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f5f668944f..870620713b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1736,6 +1736,16 @@ config ARCH_OCTEONTX
 	select OF_LIVE
 	select BOARD_LATE_INIT
 	select SYS_CACHE_SHIFT_7
+
+config ARCH_OCTEONTX2
+	bool "Support OcteonTX2 SoCs"
+	select DM
+	select ARM64
+	select OF_CONTROL
+	select OF_LIVE
+	select BOARD_LATE_INIT
+	select SYS_CACHE_SHIFT_7
+
 config TARGET_THUNDERX_88XX
 	bool "Support ThunderX 88xx"
 	select ARM64
@@ -1835,6 +1845,9 @@ source "arch/arm/mach-lpc32xx/Kconfig"
 source "arch/arm/mach-mvebu/Kconfig"
 
 source "arch/arm/mach-octeontx/Kconfig"
+
+source "arch/arm/mach-octeontx2/Kconfig"
+
 source "arch/arm/cpu/armv7/ls102xa/Kconfig"
 
 source "arch/arm/mach-imx/mx2/Kconfig"
@@ -1919,6 +1932,7 @@ source "board/CarMediaLab/flea3/Kconfig"
 source "board/Marvell/aspenite/Kconfig"
 source "board/Marvell/gplugd/Kconfig"
 source "board/Marvell/octeontx/Kconfig"
+source "board/Marvell/octeontx2/Kconfig"
 source "board/armadeus/apf27/Kconfig"
 source "board/armltd/vexpress/Kconfig"
 source "board/armltd/vexpress64/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 87b4198312..28b523b37c 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -81,6 +81,7 @@ machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
 machine-$(CONFIG_ARCH_TEGRA)		+= tegra
 machine-$(CONFIG_ARCH_U8500)		+= u8500
 machine-$(CONFIG_ARCH_OCTEONTX)		+= octeontx
+machine-$(CONFIG_ARCH_OCTEONTX2)	+= octeontx2
 machine-$(CONFIG_ARCH_UNIPHIER)		+= uniphier
 machine-$(CONFIG_ARCH_VERSAL)		+= versal
 machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
diff --git a/arch/arm/mach-octeontx2/Kconfig b/arch/arm/mach-octeontx2/Kconfig
new file mode 100644
index 0000000000..8e5cb0f638
--- /dev/null
+++ b/arch/arm/mach-octeontx2/Kconfig
@@ -0,0 +1,23 @@
+if ARCH_OCTEONTX2
+
+choice
+	prompt "OcteonTX2 board select"
+	optional
+
+config TARGET_OCTEONTX2_95XX
+	bool "Marvell OcteonTX2 CN95XX"
+
+config TARGET_OCTEONTX2_96XX
+	bool "Marvell OcteonTX2 CN96XX"
+
+endchoice
+
+config SYS_SOC
+	string
+	default "octeontx2"
+
+config SYS_PCI_64BIT
+	bool
+	default y
+
+endif
diff --git a/arch/arm/mach-octeontx2/Makefile b/arch/arm/mach-octeontx2/Makefile
new file mode 100644
index 0000000000..c3192343dd
--- /dev/null
+++ b/arch/arm/mach-octeontx2/Makefile
@@ -0,0 +1,9 @@
+#/*
+# * Copyright (C) 2018 Marvell International Ltd.
+# *
+# * SPDX-License-Identifier:    GPL-2.0
+# * https://spdx.org/licenses
+# */
+
+obj-y += lowlevel_init.o clock.o cpu.o
+
diff --git a/arch/arm/mach-octeontx2/clock.c b/arch/arm/mach-octeontx2/clock.c
new file mode 100644
index 0000000000..9da21077ec
--- /dev/null
+++ b/arch/arm/mach-octeontx2/clock.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier:    GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/board.h>
+#include <asm/arch/clock.h>
+
+/**
+ * Returns the I/O clock speed in Hz
+ */
+u64 octeontx_get_io_clock(void)
+{
+	union rst_boot rst_boot;
+
+	rst_boot.u = readq(RST_BOOT);
+
+	return rst_boot.s.pnr_mul * PLL_REF_CLK;
+}
+
+/**
+ * Returns the core clock speed in Hz
+ */
+u64 octeontx_get_core_clock(void)
+{
+	union rst_boot rst_boot;
+
+	rst_boot.u = readq(RST_BOOT);
+
+	return rst_boot.s.c_mul * PLL_REF_CLK;
+}
diff --git a/arch/arm/mach-octeontx2/config.mk b/arch/arm/mach-octeontx2/config.mk
new file mode 100644
index 0000000000..9214f6b742
--- /dev/null
+++ b/arch/arm/mach-octeontx2/config.mk
@@ -0,0 +1,4 @@
+ifeq ($(CONFIG_ARCH_OCTEONTX2),y)
+PLATFORM_CPPFLAGS += $(call cc-option,-march=armv8.2-a,)
+PLATFORM_CPPFLAGS += $(call cc-option,-mtune=octeontx2,)
+endif
diff --git a/arch/arm/mach-octeontx2/cpu.c b/arch/arm/mach-octeontx2/cpu.c
new file mode 100644
index 0000000000..2a6d5e8661
--- /dev/null
+++ b/arch/arm/mach-octeontx2/cpu.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier:    GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <common.h>
+#include <asm/armv8/mmu.h>
+#include <asm/io.h>
+#include <asm/arch/board.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define OTX2_MEM_MAP_USED 4
+
+/* +1 is end of list which needs to be empty */
+#define OTX2_MEM_MAP_MAX (OTX2_MEM_MAP_USED + CONFIG_NR_DRAM_BANKS + 1)
+
+static struct mm_region otx2_mem_map[OTX2_MEM_MAP_MAX] = {
+	{
+		.virt = 0x800000000000UL,
+		.phys = 0x800000000000UL,
+		.size = 0x40000000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE
+	}, {
+		.virt = 0x840000000000UL,
+		.phys = 0x840000000000UL,
+		.size = 0x40000000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE
+	}, {
+		.virt = 0x880000000000UL,
+		.phys = 0x880000000000UL,
+		.size = 0x40000000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE
+	}, {
+		.virt = 0x8c0000000000UL,
+		.phys = 0x8c0000000000UL,
+		.size = 0x40000000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE
+	}
+};
+
+struct mm_region *mem_map = otx2_mem_map;
+
+void mem_map_fill(void)
+{
+	int banks = OTX2_MEM_MAP_USED;
+	u32 dram_start = CONFIG_SYS_TEXT_BASE;
+
+	for (int i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		otx2_mem_map[banks].virt = dram_start;
+		otx2_mem_map[banks].phys = dram_start;
+		otx2_mem_map[banks].size = gd->ram_size;
+		otx2_mem_map[banks].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+					    PTE_BLOCK_NON_SHARE;
+		banks = banks + 1;
+	}
+}
+
+u64 get_page_table_size(void)
+{
+	return 0x80000;
+}
+
+void reset_cpu(ulong addr)
+{
+}
diff --git a/arch/arm/mach-octeontx2/lowlevel_init.S b/arch/arm/mach-octeontx2/lowlevel_init.S
new file mode 100644
index 0000000000..41a9f08aed
--- /dev/null
+++ b/arch/arm/mach-octeontx2/lowlevel_init.S
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier:    GPL-2.0
+ *
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <config.h>
+#include <linux/linkage.h>
+#include <asm/macro.h>
+
+.align 8
+.global fdt_base_addr
+fdt_base_addr:
+	.dword 0x0
+
+.global save_boot_params
+save_boot_params:
+	/* Read FDT base from x1 register passed by ATF */
+	adr	x21, fdt_base_addr
+	str	x1, [x21]
+
+	/* Returns */
+	b	save_boot_params_ret
+
+ENTRY(lowlevel_init)
+	mov	x29, lr			/* Save LR */
+
+	/* any lowlevel init should go here */
+
+	mov	lr, x29			/* Restore LR */
+	ret
+ENDPROC(lowlevel_init)
diff --git a/board/Marvell/octeontx2/Kconfig b/board/Marvell/octeontx2/Kconfig
new file mode 100644
index 0000000000..99291d795b
--- /dev/null
+++ b/board/Marvell/octeontx2/Kconfig
@@ -0,0 +1,14 @@
+if TARGET_OCTEONTX2_95XX || TARGET_OCTEONTX2_96XX
+
+config SYS_VENDOR
+	string
+	default	"Marvell"
+
+config SYS_BOARD
+	string
+	default "octeontx2"
+
+config SYS_CONFIG_NAME
+	default "octeontx2_common"
+
+endif
diff --git a/board/Marvell/octeontx2/MAINTAINERS b/board/Marvell/octeontx2/MAINTAINERS
new file mode 100644
index 0000000000..eec1d77dd1
--- /dev/null
+++ b/board/Marvell/octeontx2/MAINTAINERS
@@ -0,0 +1,8 @@
+OCTEONTX2 BOARD
+M:	Aaron Williams <awilliams@marvell.com>
+S:	Maintained
+F:	board/Marvell/octeontx2/
+F:	include/configs/octeontx2_96xx.h
+F:	include/configs/octeontx2_95xx.h
+F:	configs/octeontx2_96xx_defconfig
+F:	configs/octeontx2_95xx_defconfig
diff --git a/board/Marvell/octeontx2/Makefile b/board/Marvell/octeontx2/Makefile
new file mode 100644
index 0000000000..1f763b197b
--- /dev/null
+++ b/board/Marvell/octeontx2/Makefile
@@ -0,0 +1,9 @@
+#/* SPDX-License-Identifier:    GPL-2.0
+# *
+# * Copyright (C) 2018 Marvell International Ltd.
+# *
+# * https://spdx.org/licenses
+# */
+
+obj-y	:= board.o smc.o soc-utils.o
+obj-$(CONFIG_OF_LIBFDT) += board-fdt.o
diff --git a/board/Marvell/octeontx2/board-fdt.c b/board/Marvell/octeontx2/board-fdt.c
new file mode 100644
index 0000000000..a4771af4c1
--- /dev/null
+++ b/board/Marvell/octeontx2/board-fdt.c
@@ -0,0 +1,221 @@
+// SPDX-License-Identifier:    GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <errno.h>
+#include <fdtdec.h>
+#include <fdt_support.h>
+#include <log.h>
+
+#include <linux/compiler.h>
+#include <linux/libfdt.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/smc.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int fdt_get_bdk_node(void)
+{
+	int node, ret;
+	const void *fdt = gd->fdt_blob;
+
+	if (!fdt) {
+		printf("ERROR: %s: no valid device tree found\n", __func__);
+		return 0;
+	}
+
+	ret = fdt_check_header(fdt);
+	if (ret < 0) {
+		printf("fdt: %s\n", fdt_strerror(ret));
+		return 0;
+	}
+
+	node = fdt_path_offset(fdt, "/cavium,bdk");
+	if (node < 0) {
+		printf("%s: /cavium,bdk is missing from device tree: %s\n",
+		       __func__, fdt_strerror(node));
+		return 0;
+	}
+	return node;
+}
+
+u64 fdt_get_board_mac_addr(void)
+{
+	int node, len = 16;
+	const char *str = NULL;
+	const void *fdt = gd->fdt_blob;
+	u64 mac_addr = 0;
+
+	node = fdt_get_bdk_node();
+	if (!node)
+		return mac_addr;
+	str = fdt_getprop(fdt, node, "BOARD-MAC-ADDRESS", &len);
+	if (str)
+		mac_addr = simple_strtol(str, NULL, 16);
+	return mac_addr;
+}
+
+int fdt_get_board_mac_cnt(void)
+{
+	int node, len = 16;
+	const char *str = NULL;
+	const void *fdt = gd->fdt_blob;
+	int mac_count = 0;
+
+	node = fdt_get_bdk_node();
+	if (!node)
+		return mac_count;
+	str = fdt_getprop(fdt, node, "BOARD-MAC-ADDRESS-NUM", &len);
+	if (str) {
+		mac_count = simple_strtol(str, NULL, 10);
+		if (!mac_count)
+			mac_count = simple_strtol(str, NULL, 16);
+		debug("fdt: MAC_NUM %d\n", mac_count);
+	} else {
+		printf("Error: cannot retrieve mac count prop from fdt\n");
+	}
+	str = fdt_getprop(gd->fdt_blob, node, "BOARD-MAC-ADDRESS-NUM-OVERRIDE",
+			  &len);
+	if (str) {
+		if (simple_strtol(str, NULL, 10) >= 0)
+			mac_count = simple_strtol(str, NULL, 10);
+		debug("fdt: MAC_NUM %d\n", mac_count);
+	} else {
+		printf("Error: cannot retrieve mac num override prop\n");
+	}
+	return mac_count;
+}
+
+const char *fdt_get_board_serial(void)
+{
+	const void *fdt = gd->fdt_blob;
+	int node, len = 64;
+	const char *str = NULL;
+
+	node = fdt_get_bdk_node();
+	if (!node)
+		return NULL;
+
+	str = fdt_getprop(fdt, node, "BOARD-SERIAL", &len);
+	if (!str)
+		printf("Error: cannot retrieve board serial from fdt\n");
+	return str;
+}
+
+const char *fdt_get_board_revision(void)
+{
+	const void *fdt = gd->fdt_blob;
+	int node, len = 64;
+	const char *str = NULL;
+
+	node = fdt_get_bdk_node();
+	if (!node)
+		return NULL;
+
+	str = fdt_getprop(fdt, node, "BOARD-REVISION", &len);
+	if (!str)
+		printf("Error: cannot retrieve board revision from fdt\n");
+	return str;
+}
+
+const char *fdt_get_board_model(void)
+{
+	int node, len = 16;
+	const char *str = NULL;
+	const void *fdt = gd->fdt_blob;
+
+	node = fdt_get_bdk_node();
+	if (!node)
+		return NULL;
+	str = fdt_getprop(fdt, node, "BOARD-MODEL", &len);
+	if (!str)
+		printf("Error: cannot retrieve board model from fdt\n");
+	return str;
+}
+
+int arch_fixup_memory_node(void *blob)
+{
+	return 0;
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	int nodeoff, node, ret, i;
+	const char *temp;
+
+	static const char * const
+		octeontx_brd_nodes[] = {"BOARD-MODEL",
+					"BOARD-SERIAL",
+					"BOARD-MAC-ADDRESS",
+					"BOARD-REVISION",
+					"BOARD-MAC-ADDRESS-NUM"
+					};
+	char nodes[ARRAY_SIZE(octeontx_brd_nodes)][32];
+
+	ret = fdt_check_header(blob);
+	if (ret < 0) {
+		printf("ERROR: %s\n", fdt_strerror(ret));
+		return ret;
+	}
+
+	if (blob) {
+		nodeoff = fdt_path_offset(blob, "/cavium,bdk");
+		if (nodeoff < 0) {
+			printf("ERROR: FDT BDK node not found\n");
+			return nodeoff;
+		}
+
+		/* Read properties in temporary variables */
+		for (i = 0; i < ARRAY_SIZE(octeontx_brd_nodes); i++) {
+			temp = fdt_getprop(blob, nodeoff,
+					   octeontx_brd_nodes[i], NULL);
+			strncpy(nodes[i], temp, sizeof(nodes[i]));
+		}
+
+		/* Delete cavium,bdk node */
+		ret = fdt_del_node(blob, nodeoff);
+		if (ret < 0) {
+			printf("WARNING : could not remove cavium, bdk node\n");
+			return ret;
+		}
+		debug("%s deleted 'cavium,bdk' node\n", __func__);
+		/*
+		 * Add a new node at root level which would have
+		 * necessary info
+		 */
+		node = fdt_add_subnode(blob, 0, "octeontx_brd");
+		if (node < 0) {
+			printf("Cannot create node octeontx_brd: %s\n",
+			       fdt_strerror(node));
+			return -EIO;
+		}
+
+		/* Populate properties in node */
+		for (i = 0; i < ARRAY_SIZE(octeontx_brd_nodes); i++) {
+			if (fdt_setprop_string(blob, node,
+					       octeontx_brd_nodes[i],
+					       nodes[i])) {
+				printf("Can't set %s\n", nodes[i]);
+				return -EIO;
+			}
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * Return the FDT base address that was passed by ATF
+ *
+ * @return	FDT base address received from ATF in x1 register
+ */
+void *board_fdt_blob_setup(void)
+{
+	return (void *)fdt_base_addr;
+}
diff --git a/board/Marvell/octeontx2/board.c b/board/Marvell/octeontx2/board.c
new file mode 100644
index 0000000000..50e903d9aa
--- /dev/null
+++ b/board/Marvell/octeontx2/board.c
@@ -0,0 +1,247 @@
+// SPDX-License-Identifier:    GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <command.h>
+#include <console.h>
+#include <cpu_func.h>
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <env.h>
+#include <init.h>
+#include <malloc.h>
+#include <net.h>
+#include <pci_ids.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <linux/compiler.h>
+#include <linux/delay.h>
+#include <linux/libfdt.h>
+#include <fdt_support.h>
+#include <asm/arch/smc.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/board.h>
+#include <dm/util.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void cleanup_env_ethaddr(void)
+{
+	char ename[32];
+
+	for (int i = 0; i < 20; i++) {
+		sprintf(ename, i ? "eth%daddr" : "ethaddr", i);
+		if (env_get(ename))
+			env_set(ename, NULL);
+	}
+}
+
+void octeontx2_board_get_mac_addr(u8 index, u8 *mac_addr)
+{
+	u64 tmp_mac, board_mac_addr = fdt_get_board_mac_addr();
+	static int board_mac_num;
+
+	board_mac_num = fdt_get_board_mac_cnt();
+	if ((!is_zero_ethaddr((u8 *)&board_mac_addr)) && board_mac_num) {
+		tmp_mac = board_mac_addr;
+		tmp_mac += index;
+		tmp_mac = swab64(tmp_mac) >> 16;
+		memcpy(mac_addr, (u8 *)&tmp_mac, ARP_HLEN);
+		board_mac_num--;
+	} else {
+		memset(mac_addr, 0, ARP_HLEN);
+	}
+	debug("%s mac %pM\n", __func__, mac_addr);
+}
+
+void board_quiesce_devices(void)
+{
+	struct uclass *uc_dev;
+	int ret;
+
+	/* Removes all RVU PF devices */
+	ret = uclass_get(UCLASS_ETH, &uc_dev);
+	if (uc_dev)
+		ret = uclass_destroy(uc_dev);
+	if (ret)
+		printf("couldn't remove rvu pf devices\n");
+
+	if (IS_ENABLED(CONFIG_OCTEONTX2_CGX_INTF)) {
+		/* Bring down all cgx lmac links */
+		cgx_intf_shutdown();
+	}
+
+	/* Removes all CGX and RVU AF devices */
+	ret = uclass_get(UCLASS_MISC, &uc_dev);
+	if (uc_dev)
+		ret = uclass_destroy(uc_dev);
+	if (ret)
+		printf("couldn't remove misc (cgx/rvu_af) devices\n");
+
+	/* SMC call - removes all LF<->PF mappings */
+	smc_disable_rvu_lfs(0);
+}
+
+int board_early_init_r(void)
+{
+	pci_init();
+	return 0;
+}
+
+int board_init(void)
+{
+	return 0;
+}
+
+int timer_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = smc_dram_size(0);
+	gd->ram_size -= CONFIG_SYS_SDRAM_BASE;
+
+	mem_map_fill();
+
+	return 0;
+}
+
+void board_late_probe_devices(void)
+{
+	struct udevice *dev;
+	int err, cgx_cnt = 3, i;
+
+	/* Probe MAC(CGX) and NIC AF devices before Network stack init */
+	for (i = 0; i < cgx_cnt; i++) {
+		err = dm_pci_find_device(PCI_VENDOR_ID_CAVIUM,
+					 PCI_DEVICE_ID_CAVIUM_CGX, i, &dev);
+		if (err)
+			debug("%s CGX%d device not found\n", __func__, i);
+	}
+	err = dm_pci_find_device(PCI_VENDOR_ID_CAVIUM,
+				 PCI_DEVICE_ID_CAVIUM_RVU_AF, 0, &dev);
+	if (err)
+		debug("NIC AF device not found\n");
+}
+
+/**
+ * Board late initialization routine.
+ */
+int board_late_init(void)
+{
+	char boardname[32];
+	char boardserial[150], boardrev[150];
+	long val;
+	bool save_env = false;
+	const char *str;
+
+	debug("%s()\n", __func__);
+
+	/*
+	 * Now that pci_init initializes env device.
+	 * Try to cleanup ethaddr env variables, this is needed
+	 * as with each boot, configuration of QLM can change.
+	 */
+	cleanup_env_ethaddr();
+
+	snprintf(boardname, sizeof(boardname), "%s> ", fdt_get_board_model());
+	env_set("prompt", boardname);
+	set_working_fdt_addr(env_get_hex("fdtcontroladdr", fdt_base_addr));
+
+	str = fdt_get_board_revision();
+	if (str) {
+		snprintf(boardrev, sizeof(boardrev), "%s", str);
+		if (env_get("boardrev") &&
+		    strcmp(boardrev, env_get("boardrev")))
+			save_env = true;
+		env_set("boardrev", boardrev);
+	}
+
+	str = fdt_get_board_serial();
+	if (str) {
+		snprintf(boardserial, sizeof(boardserial), "%s", str);
+		if (env_get("serial#") &&
+		    strcmp(boardserial, env_get("serial#")))
+			save_env = true;
+		env_set("serial#", boardserial);
+	}
+
+	val = env_get_hex("disable_ooo", 0);
+	smc_configure_ooo(val);
+
+	if (IS_ENABLED(CONFIG_NET_OCTEONTX2))
+		board_late_probe_devices();
+
+	if (save_env)
+		env_save();
+
+	return 0;
+}
+
+/*
+ * Invoked before relocation, so limit to stack variables.
+ */
+int checkboard(void)
+{
+	printf("Board: %s\n", fdt_get_board_model());
+
+	return 0;
+}
+
+void board_acquire_flash_arb(bool acquire)
+{
+	union cpc_boot_ownerx ownerx;
+
+	if (!acquire) {
+		ownerx.u = readl(CPC_BOOT_OWNERX(3));
+		ownerx.s.boot_req = 0;
+		writel(ownerx.u, CPC_BOOT_OWNERX(3));
+	} else {
+		ownerx.u = 0;
+		ownerx.s.boot_req = 1;
+		writel(ownerx.u, CPC_BOOT_OWNERX(3));
+		udelay(1);
+		do {
+			ownerx.u = readl(CPC_BOOT_OWNERX(3));
+		} while (ownerx.s.boot_wait);
+	}
+}
+
+int last_stage_init(void)
+{
+	(void)smc_flsf_fw_booted();
+	return 0;
+}
+
+static int do_go_uboot(struct cmd_tbl *cmdtp, int flag, int argc,
+		       char *const argv[])
+{
+	typedef void __noreturn (*uboot_entry_t)(ulong, void *);
+	uboot_entry_t entry;
+	ulong addr;
+	void *fdt;
+
+	if (argc < 2)
+		return CMD_RET_USAGE;
+
+	addr = simple_strtoul(argv[1], NULL, 16);
+	fdt = board_fdt_blob_setup();
+	entry = (uboot_entry_t)addr;
+	flush_cache((ulong)addr, 1 << 20);	/* 1MiB should be enough */
+	dcache_disable();
+
+	printf("## Starting U-Boot at %p (FDT at %p)...\n", entry, fdt);
+
+	entry(0, fdt);
+
+	return 0;
+}
+
+U_BOOT_CMD(go_uboot, 2, 0, do_go_uboot,
+	   "Start U-Boot from RAM (pass FDT via x1 register)",
+	   "");
diff --git a/board/Marvell/octeontx2/smc.c b/board/Marvell/octeontx2/smc.c
new file mode 100644
index 0000000000..9e3169576c
--- /dev/null
+++ b/board/Marvell/octeontx2/smc.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier:    GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/psci.h>
+#include <asm/ptrace.h>
+#include <asm/system.h>
+#include <asm/arch/smc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+ssize_t smc_dram_size(unsigned int node)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = OCTEONTX2_DRAM_SIZE;
+	regs.regs[1] = node;
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t smc_disable_rvu_lfs(unsigned int node)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = OCTEONTX2_DISABLE_RVU_LFS;
+	regs.regs[1] = node;
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t smc_configure_ooo(unsigned int val)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = OCTEONTX2_CONFIG_OOO;
+	regs.regs[1] = val;
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
+
+ssize_t smc_flsf_fw_booted(void)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = OCTEONTX2_FSAFE_PR_BOOT_SUCCESS;
+	smc_call(&regs);
+
+	return regs.regs[0];
+}
diff --git a/board/Marvell/octeontx2/soc-utils.c b/board/Marvell/octeontx2/soc-utils.c
new file mode 100644
index 0000000000..1cba7fb596
--- /dev/null
+++ b/board/Marvell/octeontx2/soc-utils.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier:    GPL-2.0
+/*
+ * Copyright (C) 2019 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <malloc.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <linux/compiler.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/board.h>
+#include <dm/util.h>
+
+int read_platform(void)
+{
+	int plat = PLATFORM_HW;
+
+	const char *model = fdt_get_board_model();
+
+	if (model && !strncmp(model, "ASIM-", 5))
+		plat = PLATFORM_ASIM;
+	if (model && !strncmp(model, "EMUL-", 5))
+		plat = PLATFORM_EMULATOR;
+
+	return plat;
+}
+
+static inline u64 read_midr(void)
+{
+	u64 result;
+
+	asm ("mrs %[rd],MIDR_EL1" : [rd] "=r" (result));
+	return result;
+}
+
+u8 read_partnum(void)
+{
+	return ((read_midr() >> 4) & 0xFF);
+}
+
+const char *read_board_name(void)
+{
+	return fdt_get_board_model();
+}
+
diff --git a/configs/octeontx2_95xx_defconfig b/configs/octeontx2_95xx_defconfig
new file mode 100644
index 0000000000..6aeb12c3f9
--- /dev/null
+++ b/configs/octeontx2_95xx_defconfig
@@ -0,0 +1,105 @@
+CONFIG_ARM=y
+# CONFIG_ARM64_SUPPORT_AARCH32 is not set
+CONFIG_ARCH_OCTEONTX2=y
+CONFIG_SYS_TEXT_BASE=0x04000000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x8000
+CONFIG_ENV_OFFSET=0xF00000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_TARGET_OCTEONTX2_95XX=y
+CONFIG_DM_GPIO=y
+CONFIG_DEBUG_UART_BASE=0x87e028000000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART=y
+CONFIG_FIT=y
+CONFIG_FIT_SIGNATURE=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_BOOTDELAY=5
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyAMA0,115200n8 earlycon=pl011,0x87e028000000 maxcpus=6 rootwait rw root=/dev/mmcblk0p2 coherent_pool=16M"
+CONFIG_VERSION_VARIABLE=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_BOARD_EARLY_INIT_R=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="Marvell> "
+# CONFIG_CMD_BOOTEFI_HELLO_COMPILE is not set
+CONFIG_CMD_MD5SUM=y
+CONFIG_MD5SUM_VERIFY=y
+CONFIG_CMD_MX_CYCLIC=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_SYS_MEMTEST_START=0x04000000
+CONFIG_SYS_MEMTEST_END=0x040f0000
+CONFIG_CMD_SHA1SUM=y
+CONFIG_SHA1SUM_VERIFY=y
+CONFIG_CMD_DM=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_TFTPSRV=y
+CONFIG_CMD_RARP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CDP=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_EFI_PARTITION=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_OF_BOARD=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_USE_ENV_SPI_BUS=y
+CONFIG_ENV_SPI_BUS=0
+CONFIG_USE_ENV_SPI_CS=y
+CONFIG_ENV_SPI_CS=0
+CONFIG_USE_ENV_SPI_MAX_HZ=y
+CONFIG_ENV_SPI_MAX_HZ=125000000
+CONFIG_USE_ENV_SPI_MODE=y
+CONFIG_ENV_SPI_MODE=0x0
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_DM_I2C=y
+CONFIG_MISC=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_HS400_SUPPORT=y
+CONFIG_MMC_OCTEONTX=y
+CONFIG_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SF_DEFAULT_MODE=0x0
+CONFIG_SF_DEFAULT_SPEED=125000000
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_DM_ETH=y
+CONFIG_NET_OCTEONTX2=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_DM_PCI_COMPAT=y
+CONFIG_PCI_REGION_MULTI_ENTRY=y
+CONFIG_PCI_SRIOV=y
+CONFIG_PCI_ARID=y
+CONFIG_PCI_OCTEONTX=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RTC=y
+CONFIG_DM_SERIAL=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_PL01X_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_WDT=y
+CONFIG_ERRNO_STR=y
diff --git a/configs/octeontx2_96xx_defconfig b/configs/octeontx2_96xx_defconfig
new file mode 100644
index 0000000000..05cc1332d6
--- /dev/null
+++ b/configs/octeontx2_96xx_defconfig
@@ -0,0 +1,131 @@
+CONFIG_ARM=y
+# CONFIG_ARM64_SUPPORT_AARCH32 is not set
+CONFIG_ARCH_OCTEONTX2=y
+CONFIG_SYS_TEXT_BASE=0x04000000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x8000
+CONFIG_ENV_OFFSET=0xF00000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_TARGET_OCTEONTX2_96XX=y
+CONFIG_DM_GPIO=y
+CONFIG_DEBUG_UART_BASE=0x87e028000000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART=y
+CONFIG_AHCI=y
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_FIT=y
+CONFIG_FIT_SIGNATURE=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_BOOTDELAY=5
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyAMA0,115200n8 earlycon=pl011,0x87e028000000 maxcpus=24 rootwait rw root=/dev/mmcblk0p2 coherent_pool=16M"
+CONFIG_VERSION_VARIABLE=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_BOARD_EARLY_INIT_R=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="Marvell> "
+# CONFIG_CMD_BOOTEFI_HELLO_COMPILE is not set
+CONFIG_CMD_MD5SUM=y
+CONFIG_MD5SUM_VERIFY=y
+CONFIG_CMD_MX_CYCLIC=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_SHA1SUM=y
+CONFIG_SHA1SUM_VERIFY=y
+CONFIG_CMD_DM=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_TFTPSRV=y
+CONFIG_CMD_RARP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CDP=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_EFI_PARTITION=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_OF_BOARD=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_USE_ENV_SPI_BUS=y
+CONFIG_ENV_SPI_BUS=0
+CONFIG_USE_ENV_SPI_CS=y
+CONFIG_ENV_SPI_CS=0
+CONFIG_USE_ENV_SPI_MAX_HZ=y
+CONFIG_ENV_SPI_MAX_HZ=125000000
+CONFIG_USE_ENV_SPI_MODE=y
+CONFIG_ENV_SPI_MODE=0x0
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SCSI_AHCI=y
+CONFIG_AHCI_PCI=y
+CONFIG_DM_I2C=y
+CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
+CONFIG_I2C_MUX=y
+CONFIG_I2C_MUX_PCA954x=y
+CONFIG_MISC=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_HS400_SUPPORT=y
+CONFIG_MMC_OCTEONTX=y
+CONFIG_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SF_DEFAULT_MODE=0x0
+CONFIG_SF_DEFAULT_SPEED=125000000
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_PHYLIB=y
+CONFIG_PHY_MARVELL=y
+CONFIG_PHY_VITESSE=y
+CONFIG_DM_ETH=y
+CONFIG_E1000=y
+CONFIG_E1000_SPI=y
+CONFIG_CMD_E1000=y
+CONFIG_NET_OCTEONTX2=y
+CONFIG_NVME=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_DM_PCI_COMPAT=y
+CONFIG_PCI_REGION_MULTI_ENTRY=y
+CONFIG_PCI_SRIOV=y
+CONFIG_PCI_ARID=y
+CONFIG_PCI_OCTEONTX=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RTC=y
+CONFIG_SCSI=y
+CONFIG_DM_SCSI=y
+CONFIG_DM_SERIAL=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_PL01X_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_OCTEON_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_PCI=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_HOST_ETHER=y
+CONFIG_USB_ETHER_ASIX=y
+CONFIG_USB_ETHER_ASIX88179=y
+CONFIG_USB_ETHER_RTL8152=y
+CONFIG_WDT=y
+CONFIG_ERRNO_STR=y
diff --git a/include/configs/octeontx2_common.h b/include/configs/octeontx2_common.h
new file mode 100644
index 0000000000..87dcf5fb37
--- /dev/null
+++ b/include/configs/octeontx2_common.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier:    GPL-2.0
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#ifndef __OCTEONTX2_COMMON_H__
+#define __OCTEONTX2_COMMON_H__
+
+#define CONFIG_SUPPORT_RAW_INITRD
+
+/** Maximum size of image supported for bootm (and bootable FIT images) */
+#define CONFIG_SYS_BOOTM_LEN		(256 << 20)
+
+/** Memory base address */
+#define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_TEXT_BASE
+
+/** Stack starting address */
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + 0xffff0)
+
+/** Heap size for U-Boot */
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 64 * 1024 * 1024)
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE
+
+#define CONFIG_LAST_STAGE_INIT
+
+/* Allow environment variable to be overwritten */
+#define CONFIG_ENV_OVERWRITE
+
+/** Reduce hashes printed out */
+#define CONFIG_TFTP_TSIZE
+
+/* Autoboot options */
+#define CONFIG_RESET_TO_RETRY
+#define CONFIG_BOOT_RETRY_TIME		-1
+#define CONFIG_BOOT_RETRY_MIN		30
+
+/* BOOTP options */
+#define CONFIG_BOOTP_BOOTFILESIZE
+
+/** Extra environment settings */
+#define CONFIG_EXTRA_ENV_SETTINGS	\
+					"loadaddr=20080000\0"	\
+					"ethrotate=yes\0"	\
+					"autoload=0\0"
+
+/** Environment defines */
+#if defined(CONFIG_ENV_IS_IN_MMC)
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#endif
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE		1024	/** Console I/O Buffer Size */
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+#define CONFIG_SYS_MAXARGS		64	/** max command args */
+
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT	8192
+
+#undef CONFIG_SYS_PROMPT
+#define CONFIG_SYS_PROMPT		env_get("prompt")
+
+#if defined(CONFIG_MMC_OCTEONTX)
+#define MMC_SUPPORTS_TUNING
+/** EMMC specific defines */
+#define CONFIG_SUPPORT_EMMC_BOOT
+#define CONFIG_SUPPORT_EMMC_RPMB
+#define CONFIG_CMD_BKOPS_ENABLE
+#endif
+
+#endif /* __OCTEONTX2_COMMON_H__ */