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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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