u-boot/board/siemens/iot2050/board.c
Jan Kiszka f01081d8f7 boards: siemens: iot2050: Ignore network errors during bootstage tracking
We need to filter out NET_ETH_START errors because we have to enable
networking in order to propagate the MAC addresses to the DT while there
is no network driver for the prueth in U-Boot yet.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
2021-11-11 19:02:44 -05:00

273 lines
5.8 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Board specific initialization for IOT2050
* Copyright (c) Siemens AG, 2018-2021
*
* Authors:
* Le Jin <le.jin@siemens.com>
* Jan Kiszka <jan.kiszka@siemens.com>
*/
#include <common.h>
#include <bootstage.h>
#include <dm.h>
#include <i2c.h>
#include <led.h>
#include <malloc.h>
#include <net.h>
#include <phy.h>
#include <spl.h>
#include <version.h>
#include <linux/delay.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/hardware.h>
#include <asm/gpio.h>
#include <asm/io.h>
#define IOT2050_INFO_MAGIC 0x20502050
struct iot2050_info {
u32 magic;
u16 size;
char name[20 + 1];
char serial[16 + 1];
char mlfb[18 + 1];
char uuid[32 + 1];
char a5e[18 + 1];
u8 mac_addr_cnt;
u8 mac_addr[8][ARP_HLEN];
char seboot_version[40 + 1];
} __packed;
/*
* Scratch SRAM (available before DDR RAM) contains extracted EEPROM data.
*/
#define IOT2050_INFO_DATA ((struct iot2050_info *) \
TI_SRAM_SCRATCH_BOARD_EEPROM_START)
DECLARE_GLOBAL_DATA_PTR;
static bool board_is_advanced(void)
{
struct iot2050_info *info = IOT2050_INFO_DATA;
return info->magic == IOT2050_INFO_MAGIC &&
strstr((char *)info->name, "IOT2050-ADVANCED") != NULL;
}
static bool board_is_sr1(void)
{
struct iot2050_info *info = IOT2050_INFO_DATA;
return info->magic == IOT2050_INFO_MAGIC &&
!strstr((char *)info->name, "-PG2");
}
static void remove_mmc1_target(void)
{
char *boot_targets = strdup(env_get("boot_targets"));
char *mmc1 = strstr(boot_targets, "mmc1");
if (mmc1) {
memmove(mmc1, mmc1 + 4, strlen(mmc1 + 4) + 1);
env_set("boot_targets", boot_targets);
}
free(boot_targets);
}
void set_board_info_env(void)
{
struct iot2050_info *info = IOT2050_INFO_DATA;
u8 __maybe_unused mac_cnt;
const char *fdtfile;
if (info->magic != IOT2050_INFO_MAGIC) {
pr_err("IOT2050: Board info parsing error!\n");
return;
}
if (env_get("board_uuid"))
return;
env_set("board_name", info->name);
env_set("board_serial", info->serial);
env_set("mlfb", info->mlfb);
env_set("board_uuid", info->uuid);
env_set("board_a5e", info->a5e);
env_set("fw_version", PLAIN_VERSION);
env_set("seboot_version", info->seboot_version);
if (IS_ENABLED(CONFIG_NET)) {
/* set MAC addresses to ensure forwarding to the OS */
for (mac_cnt = 0; mac_cnt < info->mac_addr_cnt; mac_cnt++) {
if (is_valid_ethaddr(info->mac_addr[mac_cnt]))
eth_env_set_enetaddr_by_index("eth",
mac_cnt + 1,
info->mac_addr[mac_cnt]);
}
}
if (board_is_advanced()) {
if (board_is_sr1())
fdtfile = "ti/k3-am6548-iot2050-advanced.dtb";
else
fdtfile = "ti/k3-am6548-iot2050-advanced-pg2.dtb";
} else {
if (board_is_sr1())
fdtfile = "ti/k3-am6528-iot2050-basic.dtb";
else
fdtfile = "ti/k3-am6528-iot2050-basic-pg2.dtb";
/* remove the unavailable eMMC (mmc1) from the list */
remove_mmc1_target();
}
env_set("fdtfile", fdtfile);
env_save();
}
int board_init(void)
{
return 0;
}
int dram_init(void)
{
if (board_is_advanced())
gd->ram_size = SZ_2G;
else
gd->ram_size = SZ_1G;
return 0;
}
int dram_init_banksize(void)
{
dram_init();
/* Bank 0 declares the memory available in the DDR low region */
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_dram[0].size = gd->ram_size;
/* Bank 1 declares the memory available in the DDR high region */
gd->bd->bi_dram[1].start = 0;
gd->bd->bi_dram[1].size = 0;
return 0;
}
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
struct iot2050_info *info = IOT2050_INFO_DATA;
char upper_name[32];
if (info->magic != IOT2050_INFO_MAGIC ||
strlen(name) >= sizeof(upper_name))
return -1;
str_to_upper(name, upper_name, sizeof(upper_name));
if (!strcmp(upper_name, (char *)info->name))
return 0;
return -1;
}
#endif
int do_board_detect(void)
{
return 0;
}
#ifdef CONFIG_IOT2050_BOOT_SWITCH
static bool user_button_pressed(void)
{
struct udevice *red_led = NULL;
unsigned long count = 0;
struct gpio_desc gpio;
memset(&gpio, 0, sizeof(gpio));
if (dm_gpio_lookup_name("25", &gpio) < 0 ||
dm_gpio_request(&gpio, "USER button") < 0 ||
dm_gpio_set_dir_flags(&gpio, GPIOD_IS_IN) < 0)
return false;
if (dm_gpio_get_value(&gpio) == 1)
return false;
printf("USER button pressed - booting from external media only\n");
led_get_by_label("status-led-red", &red_led);
if (red_led)
led_set_state(red_led, LEDST_ON);
while (dm_gpio_get_value(&gpio) == 0 && count++ < 10000)
mdelay(1);
if (red_led)
led_set_state(red_led, LEDST_OFF);
return true;
}
#endif
#define SERDES0_LANE_SELECT 0x00104080
int board_late_init(void)
{
/* change CTRL_MMR register to let serdes0 not output USB3.0 signals. */
writel(0x3, SERDES0_LANE_SELECT);
set_board_info_env();
/* remove the eMMC if requested via button */
if (IS_ENABLED(CONFIG_IOT2050_BOOT_SWITCH) && board_is_advanced() &&
user_button_pressed())
remove_mmc1_target();
return 0;
}
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, struct bd_info *bd)
{
int ret;
ret = fdt_fixup_msmc_ram(blob, "/bus@100000", "sram@70000000");
if (ret < 0)
ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000",
"sram@70000000");
if (ret)
pr_err("%s: fixing up msmc ram failed %d\n", __func__, ret);
return ret;
}
#endif
void spl_board_init(void)
{
}
#if CONFIG_IS_ENABLED(LED) && CONFIG_IS_ENABLED(SHOW_BOOT_PROGRESS)
/*
* Indicate any error or (accidental?) entering of CLI via the red status LED.
*/
void show_boot_progress(int progress)
{
struct udevice *dev;
int ret;
if ((progress < 0 && progress != -BOOTSTAGE_ID_NET_ETH_START) ||
progress == BOOTSTAGE_ID_ENTER_CLI_LOOP) {
ret = led_get_by_label("status-led-green", &dev);
if (ret == 0)
led_set_state(dev, LEDST_OFF);
ret = led_get_by_label("status-led-red", &dev);
if (ret == 0)
led_set_state(dev, LEDST_ON);
}
}
#endif