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/*
* Copyright (c) 2015 Toradex, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "configblock.h"
#include <common.h>
#include <g_dnl.h>
#include <libfdt.h>
#define TORADEX_USB_PRODUCT_NUM_OFFSET 0x4000
__weak int checkboard_fallback(void)
{
return 0;
}
#ifdef CONFIG_TRDX_CFG_BLOCK
static char trdx_serial_str[9];
static char trdx_board_rev_str[6];
#ifdef CONFIG_REVISION_TAG
u32 get_board_rev(void)
{
/* Check validity */
if (!trdx_hw_tag.ver_major)
return 0;
return ((trdx_hw_tag.ver_major & 0xff) << 8) |
((trdx_hw_tag.ver_minor & 0xf) << 4) |
((trdx_hw_tag.ver_assembly & 0xf) + 0xa);
}
#endif /* CONFIG_TRDX_CFG_BLOCK */
#ifdef CONFIG_SERIAL_TAG
void get_board_serial(struct tag_serialnr *serialnr)
{
int array[8];
unsigned int serial = trdx_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 checkboard(void)
{
unsigned char ethaddr[6];
if (read_trdx_cfg_block()) {
printf("Missing Toradex config block\n");
checkboard_fallback();
return 0;
}
/* board serial-number */
sprintf(trdx_serial_str, "%08u", trdx_serial);
sprintf(trdx_board_rev_str, "V%1d.%1d%c",
trdx_hw_tag.ver_major,
trdx_hw_tag.ver_minor,
(char)trdx_hw_tag.ver_assembly + 'A');
setenv("serial#", trdx_serial_str);
/*
* Check if environment contains a valid MAC address,
* set the one from config block if not
*/
if (!eth_getenv_enetaddr("ethaddr", ethaddr))
eth_setenv_enetaddr("ethaddr", (u8 *)&trdx_eth_addr);
#ifdef CONFIG_TRDX_CFG_BLOCK_2ND_ETHADDR
if (!eth_getenv_enetaddr("eth1addr", ethaddr)) {
/*
* Secondary MAC address is allocated from block
* 0x100000 higher then the first MAC address
*/
memcpy(ethaddr, &trdx_eth_addr, 6);
ethaddr[3] += 0x10;
eth_setenv_enetaddr("eth1addr", ethaddr);
}
#endif
printf("Model: Toradex %s %s, Serial# %s\n",
toradex_modules[trdx_hw_tag.prodid],
trdx_board_rev_str,
trdx_serial_str);
return 0;
}
#ifdef CONFIG_USBDOWNLOAD_GADGET
int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
{
unsigned short usb_pid;
usb_pid = TORADEX_USB_PRODUCT_NUM_OFFSET + trdx_hw_tag.prodid;
put_unaligned(usb_pid, &dev->idProduct);
return 0;
}
#endif /* CONFIG_USBDOWNLOAD_GADGET */
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP)
int ft_system_setup(void *blob, bd_t *bd)
{
if (trdx_serial) {
fdt_setprop(blob, 0, "serial-number", trdx_serial_str,
strlen(trdx_serial_str) + 1);
}
if (trdx_hw_tag.ver_major) {
char prod_id[5];
sprintf(prod_id, "%04u", trdx_hw_tag.prodid);
fdt_setprop(blob, 0, "toradex,product-id", prod_id, 5);
fdt_setprop(blob, 0, "toradex,board-rev", trdx_board_rev_str,
strlen(trdx_board_rev_str) + 1);
}
return 0;
}
#endif
#else /* CONFIG_TRDX_CONFIGBLOCK */
#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 checkboard(void)
{
checkboard_fallback();
return 0;
}
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP)
int ft_system_setup(void *blob, bd_t *bd)
{
return 0;
}
#endif
#endif /* CONFIG_TRDX_CONFIGBLOCK */
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