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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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2
src/include/console/console.h
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@@ -72,7 +72,7 @@ enum { CONSOLE_LOG_NONE = 0, CONSOLE_LOG_FAST, CONSOLE_LOG_ALL };
#define HAS_ONLY_FAST_CONSOLES !(CONFIG(SPKMODEM) || CONFIG(CONSOLE_QEMU_DEBUGCON) || \
CONFIG(CONSOLE_SERIAL) || CONFIG(CONSOLE_NE2K) || CONFIG(CONSOLE_USB) || \
CONFIG(EM100PRO_SPI_CONSOLE) || CONFIG(CONSOLE_SPI_FLASH) || \
CONFIG(CONSOLE_SYSTEM76_EC))
CONFIG(CONSOLE_SYSTEM76_EC) || CONFIG(CONSOLE_AMD_SIMNOW))
#else
static inline int get_log_level(void) { return -1; }

28
src/include/console/simnow.h Normal file
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@@ -0,0 +1,28 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef CONSOLE_SIMNOW_H
#define CONSOLE_SIMNOW_H
#include <stdint.h>
void simnow_console_init(void);
void simnow_console_tx_byte(unsigned char data);
#define __SIMNOW_CONSOLE_ENABLE__ CONFIG(CONSOLE_AMD_SIMNOW)
#if __SIMNOW_CONSOLE_ENABLE__
static inline void __simnow_console_init(void)
{
simnow_console_init();
}
static inline void __simnow_console_tx_byte(u8 data)
{
simnow_console_tx_byte(data);
}
#else
static inline void __simnow_console_init(void) {}
static inline void __simnow_console_tx_byte(u8 data) {}
#endif
#endif /* CONSOLE_SIMNOW_H */