toradex: common: unify behaviour when config block is missing
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>
diff --git a/board/toradex/common/tdx-common.c b/board/toradex/common/tdx-common.c
index fde230c..2d560cc 100644
--- a/board/toradex/common/tdx-common.c
+++ b/board/toradex/common/tdx-common.c
@@ -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 @@
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 @@
}
#endif
- printf("Model: Toradex %s %s, Serial# %s\n",
- toradex_modules[tdx_hw_tag.prodid],
- tdx_board_rev_str,
- tdx_serial_str);
-
return 0;
}