atsam: Enable TCM and cache for atsame70

Signed-off-by: Luke Vuksta <wulfstawulfsta@gmail.com>
2024-09-14 13:13:36 -04:00
parent 52af688245
commit 34e9ea55df
5 changed files with 188 additions and 13 deletions
--- a/src/atsam/fdcan.c
+++ b/src/atsam/fdcan.c
@@ -71,8 +71,8 @@ struct fdcan_msg_ram {
    struct fdcan_fifo TXFIFO[3];
 };

-// Message ram is in regular memory
-static struct fdcan_msg_ram MSG_RAM;
+// Message ram is in DTCM - locate it there to avoid cache.
+static struct fdcan_msg_ram MSG_RAM __section(".dtcm.bss");


 /****************************************************************