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/Kconfig b/board/Marvell/octeontx/Kconfig
new file mode 100644
index 0000000..45d1159
--- /dev/null
+++ b/board/Marvell/octeontx/Kconfig
@@ -0,0 +1,14 @@
+if TARGET_OCTEONTX_81XX || TARGET_OCTEONTX_83XX
+
+config SYS_VENDOR
+ string
+ default "Marvell"
+
+config SYS_BOARD
+ string
+ default "octeontx"
+
+config SYS_CONFIG_NAME
+ default "octeontx_common"
+
+endif
diff --git a/board/Marvell/octeontx/MAINTAINERS b/board/Marvell/octeontx/MAINTAINERS
new file mode 100644
index 0000000..1f3b12b
--- /dev/null
+++ b/board/Marvell/octeontx/MAINTAINERS
@@ -0,0 +1,8 @@
+OCTEONTX BOARD
+M: Aaron Williams <awilliams@marvell.com>
+S: Maintained
+F: board/Marvell/octeontx/
+F: include/configs/octeontx_81xx.h
+F: include/configs/octeontx_83xx.h
+F: configs/octeontx_81xx_defconfig
+F: configs/octeontx_83xx_defconfig
diff --git a/board/Marvell/octeontx/Makefile b/board/Marvell/octeontx/Makefile
new file mode 100644
index 0000000..fbe32ae
--- /dev/null
+++ b/board/Marvell/octeontx/Makefile
@@ -0,0 +1,9 @@
+#/*
+# * Copyright (C) 2018 Marvell International Ltd.
+# *
+# * SPDX-License-Identifier: GPL-2.0
+# * 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/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;
+}
diff --git a/board/Marvell/octeontx/board.c b/board/Marvell/octeontx/board.c
new file mode 100644
index 0000000..940faac
--- /dev/null
+++ b/board/Marvell/octeontx/board.c
@@ -0,0 +1,152 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <dm.h>
+#include <malloc.h>
+#include <errno.h>
+#include <env.h>
+#include <init.h>
+#include <log.h>
+#include <netdev.h>
+#include <pci_ids.h>
+#include <asm/io.h>
+#include <linux/compiler.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 octeontx_cleanup_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);
+ }
+}
+
+int octeontx_board_has_pmp(void)
+{
+ return (otx_is_board("sff8104") || otx_is_board("nas8104"));
+}
+
+int board_early_init_r(void)
+{
+ pci_init();
+ return 0;
+}
+
+int board_init(void)
+{
+ if (IS_ENABLED(CONFIG_NET_OCTEONTX))
+ fdt_parse_phy_info();
+
+ 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, bgx_cnt, i;
+
+ /* Probe MAC(BGX) and NIC PF devices before Network stack init */
+ bgx_cnt = otx_is_soc(CN81XX) ? 2 : 4;
+ for (i = 0; i < bgx_cnt; i++) {
+ err = dm_pci_find_device(PCI_VENDOR_ID_CAVIUM,
+ PCI_DEVICE_ID_CAVIUM_BGX, i, &dev);
+ if (err)
+ debug("%s BGX%d device not found\n", __func__, i);
+ }
+ if (otx_is_soc(CN81XX)) {
+ err = dm_pci_find_device(PCI_VENDOR_ID_CAVIUM,
+ PCI_DEVICE_ID_CAVIUM_RGX, 0, &dev);
+ if (err)
+ debug("%s RGX device not found\n", __func__);
+ }
+ err = dm_pci_find_device(PCI_VENDOR_ID_CAVIUM,
+ PCI_DEVICE_ID_CAVIUM_NIC, 0, &dev);
+ if (err)
+ debug("NIC PF device not found\n");
+}
+
+/**
+ * Board late initialization routine.
+ */
+int board_late_init(void)
+{
+ char boardname[32];
+ char boardserial[150], boardrev[150];
+ bool save_env = false;
+ const char *str;
+
+ /*
+ * Try to cleanup ethaddr env variables, this is needed
+ * as with each boot, configuration of network interfaces can change.
+ */
+ octeontx_cleanup_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);
+ }
+
+ if (IS_ENABLED(CONFIG_NET_OCTEONTX))
+ 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;
+}
diff --git a/board/Marvell/octeontx/smc.c b/board/Marvell/octeontx/smc.c
new file mode 100644
index 0000000..5eeba23
--- /dev/null
+++ b/board/Marvell/octeontx/smc.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <asm/global_data.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] = OCTEONTX_DRAM_SIZE;
+ regs.regs[1] = node;
+ smc_call(®s);
+
+ return regs.regs[0];
+}
+
diff --git a/board/Marvell/octeontx/soc-utils.c b/board/Marvell/octeontx/soc-utils.c
new file mode 100644
index 0000000..5fd5afd
--- /dev/null
+++ b/board/Marvell/octeontx/soc-utils.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#include <dm.h>
+#include <dm/util.h>
+#include <errno.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/board.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();
+}
+
+bool read_alt_pkg(void)
+{
+ return false;
+}