diff options
Diffstat (limited to 'payloads/libpayload/drivers/serial')
| -rw-r--r-- | payloads/libpayload/drivers/serial/8250.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/serial/8250.c b/payloads/libpayload/drivers/serial/8250.c index e9550f3e3383..7fe9920a6c03 100644 --- a/payloads/libpayload/drivers/serial/8250.c +++ b/payloads/libpayload/drivers/serial/8250.c @@ -67,6 +67,7 @@ static void serial_hardware_init(int speed, int word_bits, { unsigned char reg; +#if !IS_ENABLED(CONFIG_LP_PL011_SERIAL_CONSOLE) /* Disable interrupts. */ serial_write_reg(0, 0x01); @@ -85,6 +86,7 @@ static void serial_hardware_init(int speed, int word_bits, /* Restore the previous value of the divisor. * And set 8 bits per character */ serial_write_reg((reg & ~0x80) | 3, 0x03); +#endif } #endif @@ -139,7 +141,9 @@ void serial_putchar(unsigned int c) { if (!serial_hardware_is_present) return; +#if !IS_ENABLED(CONFIG_LP_PL011_SERIAL_CONSOLE) while ((serial_read_reg(0x05) & 0x20) == 0) ; +#endif serial_write_reg(c, 0x00); if (c == '\n') serial_putchar('\r'); |