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| author | Jeff Johnston <jjohnstn@redhat.com> | 2015-05-26 15:27:02 -0400 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2015-05-27 13:30:20 +0200 |
| commit | aa26b784620268135cab52d77ffb39129cd1fb1f (patch) | |
| tree | c8784a9129d7d498831f0f3c690c864f869a6f46 /libgloss/or1k | |
| parent | 58e5719a0e448d0c5cd1b670d9a099655ecfa77c (diff) | |
| download | newlib-aa26b784620268135cab52d77ffb39129cd1fb1f.zip newlib-aa26b784620268135cab52d77ffb39129cd1fb1f.tar.gz newlib-aa26b784620268135cab52d77ffb39129cd1fb1f.tar.bz2 | |
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
Diffstat (limited to 'libgloss/or1k')
| -rw-r--r-- | libgloss/or1k/or1k_uart.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libgloss/or1k/or1k_uart.c b/libgloss/or1k/or1k_uart.c index e5b539a..0a991e6 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; } |