diff options
Diffstat (limited to 'src/drivers/uart/uart8250io.c')
| -rw-r--r-- | src/drivers/uart/uart8250io.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/src/drivers/uart/uart8250io.c b/src/drivers/uart/uart8250io.c index 69244f58dfb9..89c447658a51 100644 --- a/src/drivers/uart/uart8250io.c +++ b/src/drivers/uart/uart8250io.c @@ -27,16 +27,6 @@ /* Should support 8250, 16450, 16550, 16550A type UARTs */ -/* Nominal values only, good for the range of choices Kconfig offers for - * set of standard baudrates. - */ - -/* Multiply the maximim baud-rate by the default oversample rate to compute - * the default input clock to the UART. The uart_baudrate_divisor divides - * by the oversample clock to determine the final baud-rate. - */ -#define BAUDRATE_REFCLK (115200 * 16) - /* Expected character delay at 1200bps is 9ms for a working UART * and no flow-control. Assume UART as stuck if shift register * or FIFO takes more than 50ms per character to appear empty. @@ -115,7 +105,7 @@ uintptr_t uart_platform_base(int idx) void uart_init(int idx) { unsigned int div; - div = uart_baudrate_divisor(default_baudrate(), BAUDRATE_REFCLK, + div = uart_baudrate_divisor(default_baudrate(), uart_platform_refclk(), uart_input_clock_divider()); uart8250_init(uart_platform_base(idx), div); } @@ -143,10 +133,7 @@ void uart_fill_lb(void *data) serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE); serial.baud = default_baudrate(); serial.regwidth = 1; - if (IS_ENABLED(CONFIG_UART_USE_REFCLK_AS_INPUT_CLOCK)) - serial.input_hertz = uart_platform_refclk(); - else - serial.input_hertz = 0; + serial.input_hertz = uart_platform_refclk(); serial.uart_pci_addr = CONFIG_UART_PCI_ADDR; lb_add_serial(&serial, data); |