diff options
author | Jeff Johnston <jjohnstn@redhat.com> | 2015-05-26 22:27:02 +0300 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2015-05-26 22:27:02 +0300 |
commit | 65ff3ce7fb20b63f93516890a06e8e6cec52fb99 (patch) | |
tree | 2af53068f407d9b9b233909bae149e83867df1f8 | |
parent | 67a2ed864a793ed574b465540cdaae6c5bf5e286 (diff) |
or1k: UART also accept timeout interrupt
- The UART interrupt only handled receiver FIFO full interrupts, but we
also want to handle timeout interrupts.
* or1k/or1k_uart.c: Fix interrupts
-rw-r--r-- | libgloss/ChangeLog | 4 | ||||
-rw-r--r-- | libgloss/or1k/or1k_uart.c | 8 |
2 files changed, 9 insertions, 3 deletions
diff --git a/libgloss/ChangeLog b/libgloss/ChangeLog index 77137f02b..6b3fe3c4e 100644 --- a/libgloss/ChangeLog +++ b/libgloss/ChangeLog @@ -1,5 +1,9 @@ 2015-05-26 Stefan Wallentowitz <stefan.wallentowitz@tum.de> + * or1k/or1k_uart.c: Fix interrupts + +2015-05-26 Stefan Wallentowitz <stefan.wallentowitz@tum.de> + * or1k/timer.c: Properly set interrupt flags 2015-05-26 Stefan Wallentowitz <stefan.wallentowitz@tum.de> diff --git a/libgloss/or1k/or1k_uart.c b/libgloss/or1k/or1k_uart.c index e5b539af4..0a991e6ba 100644 --- a/libgloss/or1k/or1k_uart.c +++ b/libgloss/or1k/or1k_uart.c @@ -94,9 +94,11 @@ void _or1k_uart_interrupt_handler(uint32_t data) { uint8_t iir = REG8(IIR); - // Check if this is a read fifo interrupt, bit 0 indicates pending - // interrupt and the other bits are IIR_RDA - if (!(iir & 0x1) || ((iir & 0xfe) != IIR_RDA)) { + // Check if this is a read fifo or timeout interrupt, bit 0 + // indicates pending interrupt and the other bits are IIR_RDA + // or IIR_TO + if (!(iir & 0x1) || ((iir & 0xfe) != IIR_RDA) || + ((iir & 0xfe) != IIR_TO)) { return; } |