Changeset 537

Timestamp:

Sep 21, 2018, 10:21:16 PM (6 years ago)

Author:

nicolas.van.phan@…

Message:

TTY MUX 2 : Make mtty driver only address chan. 0

The physical vci_multi_tty on TSAR LETI has only 1 channel,
so one quatuor of registers to address.
Addressing registers on other channels, at further addresses,
would result in a bus error.

File:

• trunk/hal/tsar_mips32/drivers/soclib_mtty.c (modified) (3 diffs)

trunk/hal/tsar_mips32/drivers/soclib_mtty.c

@@ -78 +78 @@
 
     // enable interruptions for RX but not for TX
-    reg_xp = XPTR( tty_cxy , tty_ptr + (channel * MTTY_SPAN) + MTTY_CONFIG );
+    reg_xp = XPTR( tty_cxy , tty_ptr + MTTY_CONFIG );
     hal_remote_sw( reg_xp , MTTY_CONFIG_RX_ENABLE );
 
@@ -133 +133 @@
     // get TTY channel index and channel base address
     uint32_t   channel = hal_remote_lw( XPTR( dev_cxy , &dev_ptr->channel ) );
-    uint32_t * base    = tty_ptr + MTTY_SPAN * channel;
+    uint32_t * base    = tty_ptr;
 
     ///////////////////////
@@ -298 +298 @@
 
     // get channel base address
-    base    = tty_ptr + MTTY_SPAN * channel;
+    base    = tty_ptr;
 
     // get extended pointer on TTY registers