mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-07 21:33:24 +09:00
248 lines
5.0 KiB
C
248 lines
5.0 KiB
C
![]() |
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 Marvell International Ltd.
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*
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* https://spdx.org/licenses
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*/
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#include <command.h>
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#include <console.h>
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#include <cpu_func.h>
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#include <dm.h>
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#include <dm/uclass-internal.h>
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#include <env.h>
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#include <init.h>
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#include <malloc.h>
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#include <net.h>
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#include <pci_ids.h>
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#include <errno.h>
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#include <asm/io.h>
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#include <linux/compiler.h>
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#include <linux/delay.h>
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#include <linux/libfdt.h>
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#include <fdt_support.h>
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#include <asm/arch/smc.h>
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#include <asm/arch/soc.h>
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#include <asm/arch/board.h>
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#include <dm/util.h>
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DECLARE_GLOBAL_DATA_PTR;
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void cleanup_env_ethaddr(void)
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{
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char ename[32];
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for (int i = 0; i < 20; i++) {
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sprintf(ename, i ? "eth%daddr" : "ethaddr", i);
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if (env_get(ename))
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env_set(ename, NULL);
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}
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}
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void octeontx2_board_get_mac_addr(u8 index, u8 *mac_addr)
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{
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u64 tmp_mac, board_mac_addr = fdt_get_board_mac_addr();
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static int board_mac_num;
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board_mac_num = fdt_get_board_mac_cnt();
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if ((!is_zero_ethaddr((u8 *)&board_mac_addr)) && board_mac_num) {
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tmp_mac = board_mac_addr;
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tmp_mac += index;
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tmp_mac = swab64(tmp_mac) >> 16;
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memcpy(mac_addr, (u8 *)&tmp_mac, ARP_HLEN);
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board_mac_num--;
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} else {
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memset(mac_addr, 0, ARP_HLEN);
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}
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debug("%s mac %pM\n", __func__, mac_addr);
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}
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void board_quiesce_devices(void)
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{
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struct uclass *uc_dev;
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int ret;
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/* Removes all RVU PF devices */
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ret = uclass_get(UCLASS_ETH, &uc_dev);
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if (uc_dev)
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ret = uclass_destroy(uc_dev);
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if (ret)
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printf("couldn't remove rvu pf devices\n");
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if (IS_ENABLED(CONFIG_OCTEONTX2_CGX_INTF)) {
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/* Bring down all cgx lmac links */
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cgx_intf_shutdown();
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}
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/* Removes all CGX and RVU AF devices */
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ret = uclass_get(UCLASS_MISC, &uc_dev);
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if (uc_dev)
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ret = uclass_destroy(uc_dev);
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if (ret)
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printf("couldn't remove misc (cgx/rvu_af) devices\n");
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/* SMC call - removes all LF<->PF mappings */
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smc_disable_rvu_lfs(0);
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}
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int board_early_init_r(void)
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{
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pci_init();
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return 0;
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}
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int board_init(void)
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{
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return 0;
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}
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int timer_init(void)
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{
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = smc_dram_size(0);
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gd->ram_size -= CONFIG_SYS_SDRAM_BASE;
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mem_map_fill();
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return 0;
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}
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void board_late_probe_devices(void)
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{
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struct udevice *dev;
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int err, cgx_cnt = 3, i;
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/* Probe MAC(CGX) and NIC AF devices before Network stack init */
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for (i = 0; i < cgx_cnt; i++) {
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err = dm_pci_find_device(PCI_VENDOR_ID_CAVIUM,
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PCI_DEVICE_ID_CAVIUM_CGX, i, &dev);
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if (err)
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debug("%s CGX%d device not found\n", __func__, i);
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}
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err = dm_pci_find_device(PCI_VENDOR_ID_CAVIUM,
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PCI_DEVICE_ID_CAVIUM_RVU_AF, 0, &dev);
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if (err)
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debug("NIC AF device not found\n");
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}
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/**
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* Board late initialization routine.
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*/
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int board_late_init(void)
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{
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char boardname[32];
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char boardserial[150], boardrev[150];
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long val;
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bool save_env = false;
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const char *str;
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debug("%s()\n", __func__);
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/*
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* Now that pci_init initializes env device.
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* Try to cleanup ethaddr env variables, this is needed
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* as with each boot, configuration of QLM can change.
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*/
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cleanup_env_ethaddr();
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snprintf(boardname, sizeof(boardname), "%s> ", fdt_get_board_model());
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env_set("prompt", boardname);
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set_working_fdt_addr(env_get_hex("fdtcontroladdr", fdt_base_addr));
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str = fdt_get_board_revision();
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if (str) {
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snprintf(boardrev, sizeof(boardrev), "%s", str);
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if (env_get("boardrev") &&
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strcmp(boardrev, env_get("boardrev")))
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save_env = true;
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env_set("boardrev", boardrev);
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}
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str = fdt_get_board_serial();
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if (str) {
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snprintf(boardserial, sizeof(boardserial), "%s", str);
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if (env_get("serial#") &&
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strcmp(boardserial, env_get("serial#")))
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save_env = true;
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env_set("serial#", boardserial);
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}
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val = env_get_hex("disable_ooo", 0);
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smc_configure_ooo(val);
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if (IS_ENABLED(CONFIG_NET_OCTEONTX2))
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board_late_probe_devices();
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if (save_env)
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env_save();
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return 0;
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}
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/*
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* Invoked before relocation, so limit to stack variables.
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*/
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int checkboard(void)
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{
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printf("Board: %s\n", fdt_get_board_model());
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return 0;
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}
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void board_acquire_flash_arb(bool acquire)
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{
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union cpc_boot_ownerx ownerx;
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if (!acquire) {
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ownerx.u = readl(CPC_BOOT_OWNERX(3));
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ownerx.s.boot_req = 0;
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writel(ownerx.u, CPC_BOOT_OWNERX(3));
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} else {
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ownerx.u = 0;
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ownerx.s.boot_req = 1;
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writel(ownerx.u, CPC_BOOT_OWNERX(3));
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udelay(1);
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do {
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ownerx.u = readl(CPC_BOOT_OWNERX(3));
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} while (ownerx.s.boot_wait);
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}
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}
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int last_stage_init(void)
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{
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(void)smc_flsf_fw_booted();
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return 0;
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}
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static int do_go_uboot(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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typedef void __noreturn (*uboot_entry_t)(ulong, void *);
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uboot_entry_t entry;
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ulong addr;
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void *fdt;
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if (argc < 2)
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return CMD_RET_USAGE;
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addr = simple_strtoul(argv[1], NULL, 16);
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fdt = board_fdt_blob_setup();
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entry = (uboot_entry_t)addr;
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flush_cache((ulong)addr, 1 << 20); /* 1MiB should be enough */
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dcache_disable();
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printf("## Starting U-Boot at %p (FDT at %p)...\n", entry, fdt);
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entry(0, fdt);
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return 0;
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}
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U_BOOT_CMD(go_uboot, 2, 0, do_go_uboot,
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"Start U-Boot from RAM (pass FDT via x1 register)",
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"");
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