Kyösti Mälkki (kyosti.malkki@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7860
-gerrit
commit 9d2e3df554bfd32c68e7776d5563a117b34fe8b1 Author: Kyösti Mälkki kyosti.malkki@gmail.com Date: Fri Dec 19 07:53:42 2014 +0200
CBMEM: Tidy up CAR migration
Move the CAR migration call to arch -specific part of CBMEM init, it is truly a x86 specific thing.
Change-Id: I715417e54f197b8745e0670d6b900a5660178141 Signed-off-by: Kyösti Mälkki kyosti.malkki@gmail.com --- src/Kconfig | 14 -------------- src/arch/arm/include/arch/early_variables.h | 1 - src/arch/arm64/include/arch/early_variables.h | 5 ----- src/arch/riscv/include/arch/early_variables.h | 5 ----- src/arch/x86/Kconfig | 15 +++++++++++++++ src/arch/x86/boot/cbmem.c | 4 ++++ src/lib/cbmem.c | 3 ++- src/lib/dynamic_cbmem.c | 10 ++-------- 8 files changed, 23 insertions(+), 34 deletions(-)
diff --git a/src/Kconfig b/src/Kconfig index c9a04a4..cf66598 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -159,20 +159,6 @@ config INCLUDE_CONFIG_FILE config EARLY_CBMEM_INIT def_bool !LATE_CBMEM_INIT
-config LATE_CBMEM_INIT - def_bool n - help - Enable this in chipset's Kconfig if northbridge does not implement - early get_top_of_ram() call for romstage. CBMEM tables will be - allocated late in ramstage, after PCI devices resources are known. - -config BROKEN_CAR_MIGRATE - def_bool LATE_CBMEM_INIT - help - Many boards use CAR_GLOBAL but have no EARLY_CBMEM_INIT and - manage CAR migration on S3 resume path only. Couple boards use - CAR_GLOBAL and never do CAR migration. - config DYNAMIC_CBMEM bool default n diff --git a/src/arch/arm/include/arch/early_variables.h b/src/arch/arm/include/arch/early_variables.h index 5b58baa..539b572 100644 --- a/src/arch/arm/include/arch/early_variables.h +++ b/src/arch/arm/include/arch/early_variables.h @@ -26,6 +26,5 @@ static inline void *car_get_var_ptr(void *var) { return var; } #define car_get_var(var) (var) #define car_set_var(var, val) do { (var) = (val); } while (0) -static inline void car_migrate_variables(void) { }
#endif diff --git a/src/arch/arm64/include/arch/early_variables.h b/src/arch/arm64/include/arch/early_variables.h index 3d9fa26..539b572 100644 --- a/src/arch/arm64/include/arch/early_variables.h +++ b/src/arch/arm64/include/arch/early_variables.h @@ -20,16 +20,11 @@ #ifndef ARCH_EARLY_VARIABLES_H #define ARCH_EARLY_VARIABLES_H
-#if CONFIG_CAR_MIGRATION - #error "This is ARM, silly... we don't have CAR here." -#endif - #define CAR_GLOBAL
#define CAR_MIGRATE(migrate_fn_) static inline void *car_get_var_ptr(void *var) { return var; } #define car_get_var(var) (var) #define car_set_var(var, val) do { (var) = (val); } while (0) -static inline void car_migrate_variables(void) { }
#endif diff --git a/src/arch/riscv/include/arch/early_variables.h b/src/arch/riscv/include/arch/early_variables.h index 3a1f20d..539b572 100644 --- a/src/arch/riscv/include/arch/early_variables.h +++ b/src/arch/riscv/include/arch/early_variables.h @@ -20,16 +20,11 @@ #ifndef ARCH_EARLY_VARIABLES_H #define ARCH_EARLY_VARIABLES_H
-#if defined(CONFIG_CAR_MIGRATION) && CONFIG_CAR_MIGRATION - #error "This is RISCV, silly... we don't have CAR here." -#endif - #define CAR_GLOBAL
#define CAR_MIGRATE(migrate_fn_) static inline void *car_get_var_ptr(void *var) { return var; } #define car_get_var(var) (var) #define car_set_var(var, val) do { (var) = (val); } while (0) -static inline void car_migrate_variables(void) { }
#endif diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig index 56d8f88..b6791ed 100644 --- a/src/arch/x86/Kconfig +++ b/src/arch/x86/Kconfig @@ -47,6 +47,21 @@ config ROMCC bool default n
+config BROKEN_CAR_MIGRATE + def_bool n + help + Many boards use CAR_GLOBAL but have no EARLY_CBMEM_INIT and + manage CAR migration on S3 resume path only. Couple boards use + CAR_GLOBAL and never do CAR migration. + +config LATE_CBMEM_INIT + def_bool n + select BROKEN_CAR_MIGRATE + help + Enable this in chipset's Kconfig if northbridge does not implement + early get_top_of_ram() call for romstage. CBMEM tables will be + allocated late in ramstage, after PCI devices resources are known. + config PC80_SYSTEM bool default y if ARCH_X86 diff --git a/src/arch/x86/boot/cbmem.c b/src/arch/x86/boot/cbmem.c index 7cd0c7b..c1c2af7 100644 --- a/src/arch/x86/boot/cbmem.c +++ b/src/arch/x86/boot/cbmem.c @@ -21,6 +21,7 @@ #include <cpu/x86/gdt.h> #include <cbmem.h> #include <arch/acpi.h> +#include <arch/early_variables.h>
#if !CONFIG_DYNAMIC_CBMEM void get_cbmem_table(uint64_t *base, uint64_t *size) @@ -73,6 +74,9 @@ void *cbmem_top(void)
void cbmem_arch_init(void) { + /* Migrate car.global_data. */ + car_migrate_variables(); + #if !defined(__PRE_RAM__) /* Relocate CBMEM console. */ cbmemc_reinit(); diff --git a/src/lib/cbmem.c b/src/lib/cbmem.c index 11d5cab..5ea8d88 100644 --- a/src/lib/cbmem.c +++ b/src/lib/cbmem.c @@ -242,8 +242,9 @@ int cbmem_recovery(int is_wakeup) cbmem_fail_resume(); }
- car_migrate_variables(); + /* Complete migration to CBMEM. */ cbmem_arch_init(); + return !found; }
diff --git a/src/lib/dynamic_cbmem.c b/src/lib/dynamic_cbmem.c index 3fe7c4d..fbd6148 100644 --- a/src/lib/dynamic_cbmem.c +++ b/src/lib/dynamic_cbmem.c @@ -170,19 +170,14 @@ void cbmem_initialize_empty(void) printk(BIOS_DEBUG, "CBMEM: root @ %p %d entries.\n", root, root->max_entries);
- /* Migrate cache-as-ram variables. */ - car_migrate_variables(); - + /* Complete migration to CBMEM. */ cbmem_arch_init(); - }
static inline int cbmem_fail_recovery(void) { cbmem_initialize_empty(); cbmem_fail_resume(); - /* Migrate cache-as-ram variables. */ - car_migrate_variables(); return 1; }
@@ -249,8 +244,7 @@ int cbmem_initialize(void) root->locked = 1; #endif
- /* Migrate cache-as-ram variables. */ - car_migrate_variables(); + /* Complete migration to CBMEM. */ cbmem_arch_init();
/* Recovery successful. */
-
Kyösti Mälkki