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console: Add SimNow console logging

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The AMD SimNow tool supports fast logging through an IO port.  Add a new
console to support SimNow logging through port 80.

TEST=observe significant speed improvements on SimNow console log

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I42a431f48ea14ba4adacbd4a32e15abe7c5e4951
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72751
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Fred Reitberger
2023-02-01 16:00:54 -05:00
committed by Felix Held
parent d7b7460d6e
commit a02176debb
6 changed files with 71 additions and 1 deletions
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8
src/console/Kconfig
View File

@@ -367,6 +367,14 @@ config CONSOLE_SYSTEM76_EC
help
Send coreboot debug output to a System76 embedded controller.
config CONSOLE_AMD_SIMNOW
bool "AMD SimNow console output"
default n
depends on SOC_AMD_COMMON && !POST_IO
select CONSOLE_POST
help
Send coreboot debug output to IO ports for SimNow
config CONSOLE_OVERRIDE_LOGLEVEL
bool
help

3
src/console/console.c
View File

@@ -5,6 +5,7 @@
#include <console/i2c_smbus.h>
#include <console/ne2k.h>
#include <console/qemu_debugcon.h>
#include <console/simnow.h>
#include <console/spi.h>
#include <console/spkmodem.h>
#include <console/streams.h>
@@ -28,6 +29,7 @@ void console_hw_init(void)
__flashconsole_init();
__system76_ec_init();
__i2c_smbus_console_init();
__simnow_console_init();
}
void console_interactive_tx_byte(unsigned char byte, void *data_unused)
@@ -47,6 +49,7 @@ void console_interactive_tx_byte(unsigned char byte, void *data_unused)
__spiconsole_tx_byte(byte);
__system76_ec_tx_byte(byte);
__i2c_smbus_console_tx_byte(byte);
__simnow_console_tx_byte(byte);
}
void console_stored_tx_byte(unsigned char byte, void *data_unused)