diff options
| author | Christian Cunningham <cc@localhost> | 2022-03-25 12:34:00 -0700 |
|---|---|---|
| committer | Christian Cunningham <cc@localhost> | 2022-03-25 12:34:00 -0700 |
| commit | 357102ee9ccaea7e26c95e409c4c364a63aed423 (patch) | |
| tree | 04f26bac4f3ed3244a32b33b763049fc7c97f707 /kernel | |
| parent | 667e5e8cf02e3d5c530d76fa1921bafdd460b70c (diff) | |
19200 baud over 3MHz
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpu/irq.c | 1 | ||||
| -rw-r--r-- | kernel/drivers/uart.c | 4 |
2 files changed, 3 insertions, 2 deletions
diff --git a/kernel/cpu/irq.c b/kernel/cpu/irq.c index 09b3346..f718b7e 100644 --- a/kernel/cpu/irq.c +++ b/kernel/cpu/irq.c @@ -114,6 +114,7 @@ unsigned long c_fiq_handler(void) if (source & (1 << 3) && irqs[LOCAL_TIMER_IRQ].handler != 0) { add_thread(irqs[LOCAL_TIMER_IRQ].handler, 0, 1); write_cntv_tval(cntfrq); + return 1; } return 0; } diff --git a/kernel/drivers/uart.c b/kernel/drivers/uart.c index 2107a6f..33f9e82 100644 --- a/kernel/drivers/uart.c +++ b/kernel/drivers/uart.c @@ -31,8 +31,8 @@ void uart_init(void) // Clear pending interrupts store32(0x7FF, UART0_ICR); // Set to 3Mhz - store32(10, UART0_IBRD); - store32(20, UART0_FBRD); + store32(9, UART0_IBRD); + store32(49, UART0_FBRD); // Enable FIFO and 8 bit transmission store32((1<<4)|(1<<5)|(1<<6), UART0_LCRH); // Mask all interrupts |