diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2014-09-18 11:52:16 -0500 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-28 07:05:34 +0100 |
| commit | b30c9b1c9a676c3b85ac1de9cbc1c5f4424d6297 (patch) | |
| tree | 98edd47d5a4e73e7a2e1361e33a6e5f785f9d881 /src/arch/arm64/include/armv8 | |
| parent | 4f89d97c06b7e45fb6f3c26e770b0c674a82bb4d (diff) | |
arm64: split cpu.c
The cpu.c contains some helpful construts as well as ramstage
devicetree handling. Split the 2 pieces so that cpu.c can be
reused in secmon.
BUG=chrome-os-partner:30785
BRANCH=None
TEST=Built and booted.
Change-Id: Iec0f8462411897a255f7aa289191ce6761e08bb0
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 4f30f1186950424b65df6858965a09ca51637e4f
Original-Change-Id: Ie87bd35bf1ccd777331250dcdaae07dab82d3d18
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/218842
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9089
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/arch/arm64/include/armv8')
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/cpu.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/arch/arm64/include/armv8/arch/cpu.h b/src/arch/arm64/include/armv8/arch/cpu.h index 8d071adc61..fc31903f52 100644 --- a/src/arch/arm64/include/armv8/arch/cpu.h +++ b/src/arch/arm64/include/armv8/arch/cpu.h @@ -23,6 +23,7 @@ #define asmlinkage #if !defined(__PRE_RAM__) +#include <arch/barrier.h> #include <device/device.h> enum { @@ -67,6 +68,12 @@ struct cpu_info { struct cpu_info *cpu_info(void); extern struct cpu_info *bsp_cpu_info; +extern struct cpu_info cpu_infos[CONFIG_MAX_CPUS]; + +static inline struct cpu_info *cpu_info_for_cpu(unsigned int id) +{ + return &cpu_infos[id]; +} /* Ran only by BSP at initial boot strapping. */ static inline void cpu_set_bsp(void) @@ -79,6 +86,16 @@ static inline int cpu_is_bsp(void) return cpu_info() == bsp_cpu_info; } +static inline int cpu_online(struct cpu_info *ci) +{ + return load_acquire(&ci->online) != 0; +} + +static inline void cpu_mark_online(struct cpu_info *ci) +{ + store_release(&ci->online, 1); +} + /* Control routines for starting CPUs. */ struct cpu_control_ops { /* Return the maximum number of CPUs supported. */ @@ -112,6 +129,9 @@ int arch_run_on_cpu_async(unsigned int cpu, struct cpu_action *action); int arch_run_on_all_cpus_async(struct cpu_action *action); int arch_run_on_all_cpus_but_self_async(struct cpu_action *action); +/* Wait for actions to be perfomed. */ +void arch_cpu_wait_for_action(void); + #endif /* !__PRE_RAM__ */ /* |