diff options
Diffstat (limited to 'src/console')
| -rw-r--r-- | src/console/Kconfig | 13 | ||||
| -rw-r--r-- | src/console/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/console/console.c | 5 | ||||
| -rw-r--r-- | src/console/uart8250mem_console.c | 60 |
4 files changed, 75 insertions, 4 deletions
diff --git a/src/console/Kconfig b/src/console/Kconfig index 972276b675..02244d7ded 100644 --- a/src/console/Kconfig +++ b/src/console/Kconfig @@ -2,9 +2,16 @@ menu "Console" # TODO: Rename to SERIAL_CONSOLE once Kconfig transition is complete. config CONSOLE_SERIAL8250 bool "Serial port console output" + depends on HAVE_UART_IO_MAPPED default y help - Send coreboot debug output to a serial port console. + Send coreboot debug output to an I/O mapped serial port console. + +config CONSOLE_SERIAL8250MEM + bool "Serial port console output (memory mapped)" + depends on HAVE_UART_MEMORY_MAPPED + help + Send coreboot debug output to a memory mapped serial port console. choice prompt "Serial port" @@ -43,7 +50,7 @@ config TTYS0_BASE choice prompt "Baud rate" default CONSOLE_SERIAL_115200 - depends on CONSOLE_SERIAL8250 + depends on CONSOLE_SERIAL8250 || CONSOLE_SERIAL8250MEM config CONSOLE_SERIAL_115200 bool "115200" @@ -82,7 +89,7 @@ config TTYS0_BAUD config TTYS0_LCS int default 3 - depends on CONSOLE_SERIAL8250 + depends on CONSOLE_SERIAL8250 || CONSOLE_SERIAL8250MEM # Use "select HAVE_USBDEBUG" on southbridges which have Debug Port code. config HAVE_USBDEBUG diff --git a/src/console/Makefile.inc b/src/console/Makefile.inc index 2b6437898c..4a30918c75 100644 --- a/src/console/Makefile.inc +++ b/src/console/Makefile.inc @@ -14,6 +14,7 @@ romstage-y += post.c romstage-y += die.c driver-$(CONFIG_CONSOLE_SERIAL8250) += uart8250_console.c +driver-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem_console.c driver-$(CONFIG_USBDEBUG) += usbdebug_console.c driver-$(CONFIG_CONSOLE_LOGBUF) += logbuf_console.c driver-$(CONFIG_CONSOLE_NE2K) += ne2k_console.c diff --git a/src/console/console.c b/src/console/console.c index 9ec0e259a9..a73616e948 100644 --- a/src/console/console.c +++ b/src/console/console.c @@ -22,7 +22,7 @@ #include <arch/hlt.h> #include <arch/io.h> -#if CONFIG_CONSOLE_SERIAL8250 +#if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM #include <uart8250.h> #endif @@ -106,6 +106,9 @@ void console_init(void) #if CONFIG_CONSOLE_SERIAL8250 uart_init(); #endif +#if CONFIG_DRIVERS_OXFORD_OXPCIE && CONFIG_CONSOLE_SERIAL8250MEM + oxford_init(); +#endif #if CONFIG_CONSOLE_NE2K ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT); #endif diff --git a/src/console/uart8250mem_console.c b/src/console/uart8250mem_console.c new file mode 100644 index 0000000000..a6968ddc4b --- /dev/null +++ b/src/console/uart8250mem_console.c @@ -0,0 +1,60 @@ +/* + * 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 <uart8250.h> +#include <pc80/mc146818rtc.h> + +static u32 uart_bar = 0; + +static void uartmem_init(void) +{ + uart_bar = uart_mem_init(); +} + +static void uartmem_tx_byte(unsigned char data) +{ + if (!uart_bar) + return; + + uart8250_mem_tx_byte(uart_bar, data); +} + +static unsigned char uartmem_rx_byte(void) +{ + if (!uart_bar) + return 0; + + return uart8250_mem_rx_byte(uart_bar); +} + +static int uartmem_tst_byte(void) +{ + if (!uart_bar) + return 0; + + return uart8250_mem_can_rx_byte(uart_bar); +} + +static const struct console_driver uart8250mem_console __console = { + .init = uartmem_init, + .tx_byte = uartmem_tx_byte, + .rx_byte = uartmem_rx_byte, + .tst_byte = uartmem_tst_byte, +}; |