arm: mvebu: clearfog: read number of ddr channels from tlv data
Extend the existing tlv vendor extension used for ram size by one byte to
also store the number of ddr channels.
The length of the tlv entry can indicate whether the new information is
present. If not default to single channel.
Signed-off-by: Josua Mayer <josua@solid-run.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/board/solidrun/common/tlv_data.c b/board/solidrun/common/tlv_data.c
index 11d6e4a..cf58248 100644
--- a/board/solidrun/common/tlv_data.c
+++ b/board/solidrun/common/tlv_data.c
@@ -45,9 +45,14 @@
if (val[4] != SR_TLV_CODE_RAM_SIZE)
return;
- if (tlv_entry->length != 6)
+ if (tlv_entry->length < 6)
return;
td->ram_size = val[5];
+
+ /* extension with additional data field for number of ddr channels */
+ if (tlv_entry->length >= 7) {
+ td->ram_channels = val[6];
+ }
}
static void parse_tlv_data(u8 *eeprom, struct tlvinfo_header *hdr,
diff --git a/board/solidrun/common/tlv_data.h b/board/solidrun/common/tlv_data.h
index a1432e4..be3f782 100644
--- a/board/solidrun/common/tlv_data.h
+++ b/board/solidrun/common/tlv_data.h
@@ -10,6 +10,7 @@
/* Store product name of both SOM and carrier */
char tlv_product_name[2][32];
unsigned int ram_size;
+ uint8_t ram_channels;
};
void read_tlv_data(struct tlv_data *td);