diff options
| author | Christian Cunningham <cc@localhost> | 2022-03-25 13:10:20 -0700 |
|---|---|---|
| committer | Christian Cunningham <cc@localhost> | 2022-03-25 13:10:20 -0700 |
| commit | 9322e7bfed9d336377d588623357b93d02312afa (patch) | |
| tree | d787153f94ae4e7d49a814038f31aa87e32bc27c /kernel/drivers | |
| parent | 357102ee9ccaea7e26c95e409c4c364a63aed423 (diff) | |
UART FIFO Interrupting
Diffstat (limited to 'kernel/drivers')
| -rw-r--r-- | kernel/drivers/uart.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/drivers/uart.c b/kernel/drivers/uart.c index 33f9e82..bd12486 100644 --- a/kernel/drivers/uart.c +++ b/kernel/drivers/uart.c @@ -37,6 +37,8 @@ void uart_init(void) store32((1<<4)|(1<<5)|(1<<6), UART0_LCRH); // Mask all interrupts store32((1<<1)|(1<<4)|(1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<9)|(1<<10), UART0_IMSC); + // Interrupt when FIFO is 1/8 full + store32((UART_FIFO_18 << 3) | (UART_FIFO_12 << 0), UART0_IFLS); // Enable UART0 store32((1<<0)|(1<<8)|(1<<9), UART0_CR); } |