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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-02-14 10:31:38 +0200 |
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committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-03-04 15:40:34 +0100 |
commit | 0567c91b22e36eb07e7c7b8a67cbf6b41778db30 (patch) | |
tree | 1d8ee38c3e001f8be09b677554c02addf36292e9 /src/console/uart_console.c | |
parent | ab94bbf07221483ec52d072940a8b6206b69dc62 (diff) |
console: Use single driver entry for UARTs
UARTs now have unified prototypes and can use a single entry
in the list of drivers for ramstage.
Change-Id: I315daaf9a83cfa60f1a270146c729907a1d6d45b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5308
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/console/uart_console.c')
-rw-r--r-- | src/console/uart_console.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/console/uart_console.c b/src/console/uart_console.c new file mode 100644 index 0000000000..e2cd6a8b81 --- /dev/null +++ b/src/console/uart_console.c @@ -0,0 +1,59 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2003 Eric Biederman + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <console/uart.h> + +static void uartmem_init(void) +{ + uart_init(); +} + +static void uartmem_tx_byte(unsigned char data) +{ + uart_tx_byte(data); +} + +static void uartmem_tx_flush(void) +{ + uart_tx_flush(); +} + +static unsigned char uartmem_rx_byte(void) +{ + return uart_rx_byte(); +} + +/* This only relevant with x86 with GDB_STUB enabled.*/ +static int uartmem_tst_byte(void) +{ +#if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM + return uart_can_rx_byte(); +#else + return 0; +#endif +} + +static const struct console_driver uart_console __console = { + .init = uartmem_init, + .tx_byte = uartmem_tx_byte, + .tx_flush = uartmem_tx_flush, + .rx_byte = uartmem_rx_byte, + .tst_byte = uartmem_tst_byte, +}; |