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| author | Lee Leahy <leroy.p.leahy@intel.com> | 2016-07-31 11:53:28 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-08-01 21:40:23 +0200 |
| commit | 049b46270d63c47db75b27246555c904e42fe9e2 (patch) | |
| tree | 4b960b65f2309d8f979682d00e3b40ca1da1cc87 /src | |
| parent | f67e2cf9cf7a20e645ab2452c4b40e512bd21f50 (diff) | |
| download | coreboot-049b46270d63c47db75b27246555c904e42fe9e2.tar.xz | |
arch/x86: Enable postcar console
Add a Kconfig value to enable the console during postcar. Add a call
to console_init at the beginning of the postcar stage in exit_car.S.
TEST=Build and run on Galileo Gen2
Change-Id: I66e2ec83344129ede2c7d6e5627c8062e28f50ad
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/16001
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/exit_car.S | 5 | ||||
| -rw-r--r-- | src/console/Kconfig | 7 | ||||
| -rw-r--r-- | src/console/init.c | 2 | ||||
| -rw-r--r-- | src/include/console/console.h | 3 |
4 files changed, 15 insertions, 2 deletions
diff --git a/src/arch/x86/exit_car.S b/src/arch/x86/exit_car.S index 421d5434a7..ca9b70e663 100644 --- a/src/arch/x86/exit_car.S +++ b/src/arch/x86/exit_car.S @@ -26,6 +26,11 @@ stack_top: .text .global _start _start: +#if IS_ENABLED(CONFIG_POSTCAR_CONSOLE) + /* Enable the console */ + call console_init +#endif /* CONFIG_POSTCAR_CONSOLE */ + /* chipset_teardown_car() is expected to disable cache-as-ram. */ call chipset_teardown_car diff --git a/src/console/Kconfig b/src/console/Kconfig index 90fb426cee..e945c259d7 100644 --- a/src/console/Kconfig +++ b/src/console/Kconfig @@ -7,6 +7,13 @@ config BOOTBLOCK_CONSOLE help Use console during the bootblock if supported +config POSTCAR_CONSOLE + bool "Enable console output during postcar." + depends on POSTCAR_STAGE + default n + help + Use console during the postcar if supported + config SQUELCH_EARLY_SMP bool "Squelch AP CPUs from early console." default y diff --git a/src/console/init.c b/src/console/init.c index 8f40abbe37..189079b98f 100644 --- a/src/console/init.c +++ b/src/console/init.c @@ -30,7 +30,7 @@ int console_log_level(int msg_level) return (console_loglevel >= msg_level); } -void console_init(void) +asmlinkage void console_init(void) { #if !defined(__PRE_RAM__) console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL; diff --git a/src/include/console/console.h b/src/include/console/console.h index ddb5c0524b..dcd5fe9cc2 100644 --- a/src/include/console/console.h +++ b/src/include/console/console.h @@ -18,6 +18,7 @@ #include <stdint.h> #include <rules.h> +#include <arch/cpu.h> #include <console/post_codes.h> #include <commonlib/loglevel.h> @@ -51,7 +52,7 @@ void __attribute__ ((noreturn)) die(const char *msg); (ENV_SMM && CONFIG_DEBUG_SMI)) #if __CONSOLE_ENABLE__ -void console_init(void); +asmlinkage void console_init(void); int console_log_level(int msg_level); int do_printk(int msg_level, const char *fmt, ...) __attribute__((format(printf, 2, 3))); void do_putchar(unsigned char byte); |