From: Fu Wei fu.wei@linaro.org
The patch introduce two new structs: arch_timer_mem, arch_timer_mem_frame. And also introduce a new define: ARCH_TIMER_MEM_MAX_FRAMES
These will be used for refactoring the memory-mapped timer init code to prepare for GTDT
Signed-off-by: Fu Wei fu.wei@linaro.org --- include/clocksource/arm_arch_timer.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index 48376a5..3403247 100644 --- a/include/clocksource/arm_arch_timer.h +++ b/include/clocksource/arm_arch_timer.h @@ -57,6 +57,8 @@ enum arch_timer_spi_nr { #define ARCH_TIMER_MEM_PHYS_ACCESS 2 #define ARCH_TIMER_MEM_VIRT_ACCESS 3
+#define ARCH_TIMER_MEM_MAX_FRAMES 8 + #define ARCH_TIMER_USR_PCT_ACCESS_EN (1 << 0) /* physical counter */ #define ARCH_TIMER_USR_VCT_ACCESS_EN (1 << 1) /* virtual counter */ #define ARCH_TIMER_VIRT_EVT_EN (1 << 2) @@ -72,6 +74,21 @@ struct arch_timer_kvm_info { int virtual_irq; };
+struct arch_timer_mem_frame { + int frame_nr; + phys_addr_t cntbase; + size_t size; + int phys_irq; + int virt_irq; +}; + +struct arch_timer_mem { + phys_addr_t cntctlbase; + size_t size; + int num_frames; + struct arch_timer_mem_frame frame[ARCH_TIMER_MEM_MAX_FRAMES]; +}; + #ifdef CONFIG_ARM_ARCH_TIMER
extern u32 arch_timer_get_rate(void);