toradex: tdx-cfg-block: add support for EEPROM

This introduces support for EEPROM as a storage for the main Toradex
config block and additional config blocks on extra EEPROM chips (on
carrier board or video adapters).

To enable EEPROM as a storage for the main config block:
TDX_HAVE_EEPROM=y.

For additional EEPROMs please enable this Kconfig symbol:
TDX_CFG_BLOCK_EXTRA=y.

Information about existing EEPROM chips is provide via Device Tree using
aliases.

You can also write configuration for the carrier board using create_carrier
subcommand for cfgblock. Example:

Verdin iMX8MM # cfgblock create_carrier
Supported carrier boards:
UNKNOWN CARRIER                     = [0]
Verdin Carrier Board                = [1]
Choose your carrier board (provide ID): 1
Enter carrier board version (e.g. V1.1B): V1.0A
Enter carrier board serial number: 10622780

Also with barcode:
cVerdin iMX8MM # cfgblock create carrier -y 0156100010622780

Relates-to: ELB-1402
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/board/toradex/common/tdx-cfg-block.h b/board/toradex/common/tdx-cfg-block.h
index 3c082870ae..bacfdf83d2 100644
--- a/board/toradex/common/tdx-cfg-block.h
+++ b/board/toradex/common/tdx-cfg-block.h
@@ -82,14 +82,28 @@ enum {
 	APALIS_IMX8QXP_ECC_WIFI_BT_IT_PROTOTYPE = 2600,
 };
 
+enum {
+	DAHLIA = 155,
+	VERDIN_DEVELOPMENT_BOARD = 156,
+};
+
+enum {
+	VERDIN_DSI_TO_HDMI_ADAPTER = 157,
+	VERDIN_DSI_TO_LVDS_ADAPTER = 159,
+};
+
 extern const char * const toradex_modules[];
 extern const char * const toradex_prototype_modules[];
+extern const char * const toradex_carriers[];
 extern bool valid_cfgblock;
 extern struct toradex_hw tdx_hw_tag;
+extern struct toradex_hw tdx_car_hw_tag;
 extern struct toradex_eth_addr tdx_eth_addr;
 extern u32 tdx_serial;
+extern u32 tdx_car_serial;
 
 int read_tdx_cfg_block(void);
+int read_tdx_cfg_block_extra(void);
 
 int is_tdx_prototype_prodid(u16 prodid);