libs/newlib-cygwin
libs/newlib-cygwin
4
0
Fork 0
mirror of git://sourceware.org/git/newlib-cygwin.git synced 2025-01-31 11:30:56 +08:00
Code Issues Projects Releases Wiki Activity

or1k: UART also accept timeout interrupt

Browse Source 
- The UART interrupt only handled receiver FIFO full interrupts, but we
  also want to handle timeout interrupts.

    * or1k/or1k_uart.c: Fix interrupts
This commit is contained in:
Jeff Johnston 2015-05-26 15:27:02 -04:00
parent 67a2ed864a
commit 65ff3ce7fb
2 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libgloss/ChangeLog
View File

@ -1,3 +1,7 @@
2015-05-26 Stefan Wallentowitz <stefan.wallentowitz@tum.de>
* or1k/or1k_uart.c: Fix interrupts
2015-05-26 Stefan Wallentowitz <stefan.wallentowitz@tum.de> 2015-05-26 Stefan Wallentowitz <stefan.wallentowitz@tum.de>
* or1k/timer.c: Properly set interrupt flags * or1k/timer.c: Properly set interrupt flags

8
libgloss/or1k/or1k_uart.c
View File

@ -94,9 +94,11 @@ void _or1k_uart_interrupt_handler(uint32_t data)
{ {
uint8_t iir = REG8(IIR); uint8_t iir = REG8(IIR);
// Check if this is a read fifo interrupt, bit 0 indicates pending // Check if this is a read fifo or timeout interrupt, bit 0
// interrupt and the other bits are IIR_RDA // indicates pending interrupt and the other bits are IIR_RDA
if (!(iir & 0x1) || ((iir & 0xfe) != IIR_RDA)) { // or IIR_TO
if (!(iir & 0x1) || ((iir & 0xfe) != IIR_RDA) ||
((iir & 0xfe) != IIR_TO)) {
return; return;
} }