arm: octeontx: Add support for OcteonTX SoC platforms
This patch adds support for all OcteonTX 81xx/83xx
boards from Marvell.
For 81xx boards, use octeontx_81xx_defconfig and
for 83xx boards, use octeontx_83xx_defconfig.
Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
diff --git a/board/Marvell/octeontx/board-fdt.c b/board/Marvell/octeontx/board-fdt.c
new file mode 100644
index 0000000..0b05ef1
--- /dev/null
+++ b/board/Marvell/octeontx/board-fdt.c
@@ -0,0 +1,311 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <errno.h>
+#include <env.h>
+#include <log.h>
+#include <net.h>
+#include <asm/io.h>
+#include <linux/compiler.h>
+#include <linux/libfdt.h>
+#include <fdtdec.h>
+#include <fdt_support.h>
+#include <asm/arch/board.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int fdt_get_mdio_bus(const void *fdt, int phy_offset)
+{
+ int node, bus = -1;
+ const u64 *reg;
+ u64 addr;
+
+ if (phy_offset < 0)
+ return -1;
+ /* obtain mdio node and get the reg prop */
+ node = fdt_parent_offset(fdt, phy_offset);
+ if (node < 0)
+ return -1;
+
+ reg = fdt_getprop(fdt, node, "reg", NULL);
+ addr = fdt64_to_cpu(*reg);
+ bus = (addr & (1 << 7)) ? 1 : 0;
+ return bus;
+}
+
+static int fdt_get_phy_addr(const void *fdt, int phy_offset)
+{
+ const u32 *reg;
+ int addr = -1;
+
+ if (phy_offset < 0)
+ return -1;
+ reg = fdt_getprop(fdt, phy_offset, "reg", NULL);
+ addr = fdt32_to_cpu(*reg);
+ return addr;
+}
+
+void fdt_parse_phy_info(void)
+{
+ const void *fdt = gd->fdt_blob;
+ int offset = 0, node, bgx_id = 0, lmacid = 0;
+ const u32 *val;
+ char bgxname[24];
+ int len, rgx_id = 0, eth_id = 0;
+ int phandle, phy_offset;
+ int subnode, i;
+ int bdknode;
+
+ bdknode = fdt_path_offset(fdt, "/cavium,bdk");
+ if (bdknode < 0) {
+ printf("%s: bdk node is missing from device tree: %s\n",
+ __func__, fdt_strerror(bdknode));
+ }
+
+ offset = fdt_node_offset_by_compatible(fdt, -1, "pci-bridge");
+ if (offset < 1)
+ return;
+
+ for (bgx_id = 0; bgx_id < MAX_BGX_PER_NODE; bgx_id++) {
+ int phy_addr[LMAC_CNT] = {[0 ... LMAC_CNT - 1] = -1};
+ bool autoneg_dis[LMAC_CNT] = {[0 ... LMAC_CNT - 1] = 0};
+ int mdio_bus[LMAC_CNT] = {[0 ... LMAC_CNT - 1] = -1};
+ bool lmac_reg[LMAC_CNT] = {[0 ... LMAC_CNT - 1] = 0};
+ bool lmac_enable[LMAC_CNT] = {[0 ... LMAC_CNT - 1] = 0};
+
+ snprintf(bgxname, sizeof(bgxname), "bgx%d", bgx_id);
+ node = fdt_subnode_offset(fdt, offset, bgxname);
+ if (node < 0) {
+ /* check if it is rgx node */
+ snprintf(bgxname, sizeof(bgxname), "rgx%d", rgx_id);
+ node = fdt_subnode_offset(fdt, offset, bgxname);
+ if (node < 0) {
+ debug("bgx%d/rgx0 node not found\n", bgx_id);
+ return;
+ }
+ }
+ debug("bgx%d node found\n", bgx_id);
+
+ /*
+ * loop through each of the bgx/rgx nodes
+ * to find PHY nodes
+ */
+ fdt_for_each_subnode(subnode, fdt, node) {
+ /* Check for reg property */
+ val = fdt_getprop(fdt, subnode, "reg", &len);
+ if (val) {
+ debug("lmacid = %d\n", lmacid);
+ lmac_reg[lmacid] = 1;
+ }
+ /* check for phy-handle property */
+ val = fdt_getprop(fdt, subnode, "phy-handle", &len);
+ if (val) {
+ phandle = fdt32_to_cpu(*val);
+ if (!phandle) {
+ debug("phandle not valid %d\n", lmacid);
+ } else {
+ phy_offset = fdt_node_offset_by_phandle
+ (fdt, phandle);
+ phy_addr[lmacid] = fdt_get_phy_addr
+ (fdt, phy_offset);
+ mdio_bus[lmacid] = fdt_get_mdio_bus
+ (fdt, phy_offset);
+ }
+ } else {
+ debug("phy-handle prop not found %d\n",
+ lmacid);
+ }
+ /* check for autonegotiation property */
+ val = fdt_getprop(fdt, subnode,
+ "cavium,disable-autonegotiation",
+ &len);
+ if (val)
+ autoneg_dis[lmacid] = 1;
+
+ eth_id++;
+ lmacid++;
+ }
+
+ for (i = 0; i < MAX_LMAC_PER_BGX; i++) {
+ const char *str;
+
+ snprintf(bgxname, sizeof(bgxname),
+ "BGX-ENABLE.N0.BGX%d.P%d", bgx_id, i);
+ if (bdknode >= 0) {
+ str = fdt_getprop(fdt, bdknode,
+ bgxname, &len);
+ if (str)
+ lmac_enable[i] =
+ simple_strtol(str, NULL,
+ 10);
+ }
+ }
+
+ lmacid = 0;
+ bgx_set_board_info(bgx_id, mdio_bus, phy_addr,
+ autoneg_dis, lmac_reg, lmac_enable);
+ }
+}
+
+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;
+}
+
+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)
+{
+ const void *fdt = gd->fdt_blob;
+ int node, len = 16;
+ const char *str = NULL;
+
+ 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;
+}
+
+void fdt_board_get_ethaddr(int bgx, int lmac, unsigned char *eth)
+{
+ const void *fdt = gd->fdt_blob;
+ const char *mac = NULL;
+ int offset = 0, node, len;
+ int subnode, i = 0;
+ char bgxname[24];
+
+ offset = fdt_node_offset_by_compatible(fdt, -1, "pci-bridge");
+ if (offset < 0) {
+ printf("%s couldn't find mrml bridge node in fdt\n",
+ __func__);
+ return;
+ }
+ if (bgx == 2 && otx_is_soc(CN81XX)) {
+ snprintf(bgxname, sizeof(bgxname), "rgx%d", 0);
+ lmac = 0;
+ } else {
+ snprintf(bgxname, sizeof(bgxname), "bgx%d", bgx);
+ }
+
+ node = fdt_subnode_offset(fdt, offset, bgxname);
+
+ fdt_for_each_subnode(subnode, fdt, node) {
+ if (i++ != lmac)
+ continue;
+ /* check for local-mac-address */
+ mac = fdt_getprop(fdt, subnode, "local-mac-address", &len);
+ if (mac) {
+ debug("%s mac %pM\n", __func__, mac);
+ memcpy(eth, mac, ARP_HLEN);
+ } else {
+ memset(eth, 0, ARP_HLEN);
+ }
+ debug("%s eth %pM\n", __func__, eth);
+ return;
+ }
+}
+
+int arch_fixup_memory_node(void *blob)
+{
+ return 0;
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ /* remove "cavium, bdk" node from DT */
+ int ret = 0, offset;
+
+ ret = fdt_check_header(blob);
+ if (ret < 0) {
+ printf("ERROR: %s\n", fdt_strerror(ret));
+ return ret;
+ }
+
+ if (blob) {
+ offset = fdt_path_offset(blob, "/cavium,bdk");
+ if (offset < 0) {
+ printf("ERROR: FDT BDK node not found\n");
+ return offset;
+ }
+
+ /* delete node */
+ ret = fdt_del_node(blob, offset);
+ if (ret < 0) {
+ printf("WARNING : could not remove bdk node\n");
+ return ret;
+ }
+
+ debug("%s deleted bdk node\n", __func__);
+ }
+
+ 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;
+}