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>
diff --git a/board/Marvell/octeontx2/board.c b/board/Marvell/octeontx2/board.c
new file mode 100644
index 0000000..50e903d
--- /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)",
+ "");