// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2016 Toradex, Inc.
*/
#include <dm.h>
#include <config.h>
#include <env.h>
#include <g_dnl.h>
#include <init.h>
#include <linux/libfdt.h>
#include <sysinfo.h>
#ifdef CONFIG_VIDEO
#include <bmp_logo.h>
#include <splash.h>
#include <video.h>
#endif
#include "tdx-cfg-block.h"
#include <asm/setup.h>
#include "tdx-common.h"
#define SERIAL_STR_LEN 8
#define MODULE_VER_STR_LEN 4 // V1.1
#define MODULE_REV_STR_LEN 3 // [A-Z] or #[26-99]
#ifdef CONFIG_TDX_CFG_BLOCK
static char tdx_serial_str[SERIAL_STR_LEN + 1];
static char tdx_board_rev_str[MODULE_VER_STR_LEN + MODULE_REV_STR_LEN + 1];
#ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
static char tdx_car_serial_str[SERIAL_STR_LEN + 1];
static char tdx_car_rev_str[MODULE_VER_STR_LEN + MODULE_REV_STR_LEN + 1];
static const char *tdx_carrier_board_name;
#endif
#if defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
u32 get_board_revision(void)
{
/* Check validity */
if (!tdx_hw_tag.ver_major)
return 0;
return ((tdx_hw_tag.ver_major & 0xff) << 8) |
((tdx_hw_tag.ver_minor & 0xf) << 4) |
((tdx_hw_tag.ver_assembly & 0xf) + 0xa);
}
#endif /* CONFIG_TDX_CFG_BLOCK */
#ifdef CONFIG_SERIAL_TAG
void get_board_serial(struct tag_serialnr *serialnr)
{
int array[8];
unsigned int serial = tdx_serial;
int i;
serialnr->low = 0;
serialnr->high = 0;
/* Check validity */
if (serial) {
/*
* Convert to Linux serial number format (hexadecimal coded
* decimal)
*/
i = 7;
while (serial) {
array[i--] = serial % 10;
serial /= 10;
}
while (i >= 0)
array[i--] = 0;
serial = array[0];
for (i = 1; i < 8; i++) {
serial *= 16;
serial += array[i];
}
serialnr->low = serial;
}
}
#endif /* CONFIG_SERIAL_TAG */
static const char *get_board_assembly(u16 ver_assembly)
{
static char ver_name[MODULE_REV_STR_LEN + 1];
if (ver_assembly < 26) {
ver_name[0] = (char)ver_assembly + 'A';
ver_name[1] = '\0';
} else {
snprintf(ver_name, sizeof(ver_name),
"#%u", ver_assembly);
}
return ver_name;
}
__weak int print_bootinfo(void)
{
return 0;
}
int checkboard(void)
{
if (valid_cfgblock)
printf("Serial#: %s\n", tdx_serial_str);
#ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
if (tdx_carrier_board_name)
printf("Carrier: Toradex %s %s, Serial# %s\n",
tdx_carrier_board_name,
tdx_car_rev_str,
tdx_car_serial_str);
#endif
print_bootinfo();
return 0;
}
static int settings_r(void)
{
unsigned char ethaddr[6];
if (read_tdx_cfg_block()) {
printf("MISSING TORADEX CONFIG BLOCK\n");
/* Board can run even if config block is not present */
return 0;
}
snprintf(tdx_serial_str, sizeof(tdx_serial_str),
"%08u", tdx_serial);
snprintf(tdx_board_rev_str, sizeof(tdx_board_rev_str),
"V%1d.%1d%s",
tdx_hw_tag.ver_major,
tdx_hw_tag.ver_minor,
get_board_assembly(tdx_hw_tag.ver_assembly));
env_set("serial#", tdx_serial_str);
#ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
if (read_tdx_cfg_block_carrier()) {
printf("MISSING TORADEX CARRIER CONFIG BLOCKS\n");
try_migrate_tdx_cfg_block_carrier();
} else {
tdx_carrier_board_name =
get_toradex_carrier_boards(tdx_car_hw_tag.prodid);
snprintf(tdx_car_serial_str, sizeof(tdx_car_serial_str),
"%08u", tdx_car_serial);
snprintf(tdx_car_rev_str, sizeof(tdx_car_rev_str),
"V%1d.%1d%s",
tdx_car_hw_tag.ver_major,
tdx_car_hw_tag.ver_minor,
get_board_assembly(tdx_car_hw_tag.ver_assembly));
env_set("carrier_serial#", tdx_car_serial_str);
}
#endif
/*
* Check if environment contains a valid MAC address,
* set the one from config block if not
*/
if (!eth_env_get_enetaddr("ethaddr", ethaddr))
eth_env_set_enetaddr("ethaddr", (u8 *)&tdx_eth_addr);
if (IS_ENABLED(CONFIG_TDX_CFG_BLOCK_2ND_ETHADDR) &&
!eth_env_get_enetaddr("eth1addr", ethaddr)) {
/*
* Secondary MAC address is allocated from block
* 0x100000 higher then the first MAC address
*/
memcpy(ethaddr, &tdx_eth_addr, 6);
ethaddr[3] += 0x10;
eth_env_set_enetaddr("eth1addr", ethaddr);
}
if (IS_ENABLED(CONFIG_TARGET_TORADEX_SMARC_IMX95) &&
!eth_env_get_enetaddr("eth2addr", ethaddr)) {
/*
* Third MAC address is allocated from block
* 0x100000 higher then the first MAC address.
* The same as the default for the secondary MAC.
*/
memcpy(ethaddr, &tdx_eth_addr, 6);
ethaddr[3] += 0x10;
eth_env_set_enetaddr("eth2addr", ethaddr);
}
return 0;
}
EVENT_SPY_SIMPLE(EVT_SETTINGS_R, settings_r);
static int tdx_detect(struct udevice *dev)
{
return valid_cfgblock ? 0 : -EINVAL;
}
static int tdx_get_str(struct udevice *dev, int id, size_t size, char *val)
{
int ret = -ENOTSUPP;
int idx;
switch (id) {
case SYSID_BOARD_MODEL:
idx = get_toradex_modules_idx(tdx_hw_tag.prodid);
snprintf(val, size,
"Toradex %04d %s %s",
tdx_hw_tag.prodid,
toradex_modules[idx].name,
tdx_board_rev_str);
ret = 0;
}
return ret;
}
static const struct udevice_id sysinfo_tdx_ids[] = {
{ .compatible = "toradex,sysinfo" },
{ /* sentinel */ }
};
static const struct sysinfo_ops sysinfo_tdx_ops = {
.detect = tdx_detect,
.get_str = tdx_get_str,
};
U_BOOT_DRIVER(sysinfo_toradex) = {
.name = "sysinfo_toradex",
.id = UCLASS_SYSINFO,
.of_match = sysinfo_tdx_ids,
.ops = &sysinfo_tdx_ops,
};
#ifdef CONFIG_TDX_CFG_BLOCK_USB_GADGET_PID
int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
{
unsigned short usb_pid;
usb_pid = TORADEX_USB_PRODUCT_NUM_OFFSET + tdx_hw_tag.prodid;
put_unaligned(usb_pid, &dev->idProduct);
return 0;
}
#endif
#if defined(CONFIG_OF_LIBFDT)
int ft_common_board_setup(void *blob, struct bd_info *bd)
{
if (tdx_serial) {
fdt_setprop(blob, 0, "serial-number", tdx_serial_str,
strlen(tdx_serial_str) + 1);
}
if (tdx_hw_tag.ver_major) {
char prod_id[5];
snprintf(prod_id, sizeof(prod_id), "%04u", tdx_hw_tag.prodid);
fdt_setprop(blob, 0, "toradex,product-id", prod_id, 5);
fdt_setprop(blob, 0, "toradex,board-rev", tdx_board_rev_str,
strlen(tdx_board_rev_str) + 1);
}
return 0;
}
#endif
#else /* CONFIG_TDX_CFG_BLOCK */
#if defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
u32 get_board_revision(void)
{
return 0;
}
#endif /* CONFIG_REVISION_TAG */
#ifdef CONFIG_SERIAL_TAG
u32 get_board_serial(void)
{
return 0;
}
#endif /* CONFIG_SERIAL_TAG */
int ft_common_board_setup(void *blob, struct bd_info *bd)
{
return 0;
}
#endif /* CONFIG_TDX_CFG_BLOCK */