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-rw-r--r--src/console/Kconfig8
-rw-r--r--src/console/console.c3
-rw-r--r--src/include/console/console.h2
-rw-r--r--src/include/console/simnow.h28
-rw-r--r--src/soc/amd/common/block/simnow/Makefile.inc7
-rw-r--r--src/soc/amd/common/block/simnow/simnow_console.c24
6 files changed, 71 insertions, 1 deletions
diff --git a/src/console/Kconfig b/src/console/Kconfig
index c6aec18b09..721cc60e2b 100644
--- a/src/console/Kconfig
+++ b/src/console/Kconfig
@@ -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
diff --git a/src/console/console.c b/src/console/console.c
index 499a336efb..9a079ed60a 100644
--- a/src/console/console.c
+++ b/src/console/console.c
@@ -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)
diff --git a/src/include/console/console.h b/src/include/console/console.h
index 6f44d7f95c..c69efcde40 100644
--- a/src/include/console/console.h
+++ b/src/include/console/console.h
@@ -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; }
diff --git a/src/include/console/simnow.h b/src/include/console/simnow.h
new file mode 100644
index 0000000000..9a9d6792b8
--- /dev/null
+++ b/src/include/console/simnow.h
@@ -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 */
diff --git a/src/soc/amd/common/block/simnow/Makefile.inc b/src/soc/amd/common/block/simnow/Makefile.inc
new file mode 100644
index 0000000000..2cd79c899f
--- /dev/null
+++ b/src/soc/amd/common/block/simnow/Makefile.inc
@@ -0,0 +1,7 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+ifeq ($(CONFIG_CONSOLE_AMD_SIMNOW),y)
+all-y += simnow_console.c
+
+smm-$(CONFIG_DEBUG_SMI) += simnow_console.c
+endif
diff --git a/src/soc/amd/common/block/simnow/simnow_console.c b/src/soc/amd/common/block/simnow/simnow_console.c
new file mode 100644
index 0000000000..478674ad1f
--- /dev/null
+++ b/src/soc/amd/common/block/simnow/simnow_console.c
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <console/simnow.h>
+
+#define AMD_SIMNOW_PORT 0x80
+#define AMD_SIMNOW_PORT_DATA_BEGIN 0x5f535452ul
+#define AMD_SIMNOW_PORT_DATA_END 0x5f454e44ul
+
+void simnow_console_init(void)
+{
+ outl(AMD_SIMNOW_PORT_DATA_BEGIN, AMD_SIMNOW_PORT);
+}
+
+void simnow_console_tx_byte(unsigned char data)
+{
+ outb(data, AMD_SIMNOW_PORT);
+
+ if (data == '\n') {
+ outl(AMD_SIMNOW_PORT_DATA_END, AMD_SIMNOW_PORT);
+ outl(AMD_SIMNOW_PORT_DATA_BEGIN, AMD_SIMNOW_PORT);
+ }
+}