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>

1 files changed, 221 insertions, 0 deletions

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;
+}