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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2016 Toradex, Inc.
*/
#include <common.h>
#include <environment.h>
#include <g_dnl.h>
#include <linux/libfdt.h>
#include "tdx-cfg-block.h"
#include <asm/setup.h>
#include "tdx-common.h"
#ifdef CONFIG_TDX_CFG_BLOCK
static char tdx_serial_str[9];
static char tdx_board_rev_str[6];
#ifdef CONFIG_REVISION_TAG
u32 get_board_rev(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 */
int show_board_info(void)
{
unsigned char ethaddr[6];
if (read_tdx_cfg_block()) {
printf("Missing Toradex config block\n");
checkboard();
return 0;
}
/* board serial-number */
sprintf(tdx_serial_str, "%08u", tdx_serial);
sprintf(tdx_board_rev_str, "V%1d.%1d%c",
tdx_hw_tag.ver_major,
tdx_hw_tag.ver_minor,
(char)tdx_hw_tag.ver_assembly + 'A');
env_set("serial#", tdx_serial_str);
/*
* 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);
#ifdef CONFIG_TDX_CFG_BLOCK_2ND_ETHADDR
if (!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);
}
#endif
printf("Model: Toradex %s %s, Serial# %s\n",
toradex_modules[tdx_hw_tag.prodid],
tdx_board_rev_str,
tdx_serial_str);
return 0;
}
#ifdef CONFIG_USB_GADGET_DOWNLOAD
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, bd_t *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];
sprintf(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 */
#ifdef CONFIG_REVISION_TAG
u32 get_board_rev(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, bd_t *bd)
{
return 0;
}
#endif /* CONFIG_TDX_CFG_BLOCK */
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