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toradex: common: unify behaviour when config block is missing

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If the config block is missing, various things may fail or behave
strangely on certain modules. This patch unifies that behaviour by
using a fake MAC address, until user updates the config block.

Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
This commit is contained in:
Bhuvanchandra DV 2019-03-25 17:18:28 +01:00 committed by Stefano Babic
parent 587b13c69c
commit 43bfc49992
1 changed files with 18 additions and 16 deletions
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34
board/toradex/common/tdx-common.c
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@ -12,6 +12,8 @@
#include <asm/setup.h>
#include "tdx-common.h"
#define TORADEX_OUI 0x00142dUL
#ifdef CONFIG_TDX_CFG_BLOCK
static char tdx_serial_str[9];
static char tdx_board_rev_str[6];
@ -68,20 +70,25 @@ int show_board_info(void)
unsigned char ethaddr[6];
if (read_tdx_cfg_block()) {
printf("Missing Toradex config block\n");
printf("MISSING TORADEX CONFIG BLOCK\n");
tdx_eth_addr.oui = htonl(TORADEX_OUI << 8);
tdx_eth_addr.nic = htonl(tdx_serial << 8);
checkboard();
return 0;
} else {
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);
printf("Model: Toradex %s %s, Serial# %s\n",
toradex_modules[tdx_hw_tag.prodid],
tdx_board_rev_str,
tdx_serial_str);
}
/* 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
@ -101,11 +108,6 @@ int show_board_info(void)
}
#endif
printf("Model: Toradex %s %s, Serial# %s\n",
toradex_modules[tdx_hw_tag.prodid],
tdx_board_rev_str,
tdx_serial_str);
return 0;
}