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- // 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)",
- "");
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