diff options
Diffstat (limited to 'libgloss/or1k/or1k_uart.c')
| -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 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; } |