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Groups > linux.kernel > #1522695
| From | fu.wei@linaro.org |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v15 07/13] clocksource/drivers/arm_arch_timer: Introduce some new structs to prepare for GTDT |
| Date | 2016-11-15 14:20 +0100 |
| Message-ID | <sDLOz-5pg-43@gated-at.bofh.it> (permalink) |
| References | <sDLOy-5pg-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 2625ff1..cc986a3 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 BIT(0) /* physical counter */
#define ARCH_TIMER_USR_VCT_ACCESS_EN BIT(1) /* virtual counter */
#define ARCH_TIMER_VIRT_EVT_EN BIT(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);
--
2.7.4
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[PATCH v15 00/13] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer fu.wei@linaro.org - 2016-11-15 14:20 +0100 [PATCH v15 06/13] clocksource/drivers/arm_arch_timer: separate out arch_timer_uses_ppi init code to prepare for GTDT. fu.wei@linaro.org - 2016-11-15 14:20 +0100 [PATCH v15 05/13] clocksource/drivers/arm_arch_timer: fix a bug in arch_timer_register about arch_timer_uses_ppi fu.wei@linaro.org - 2016-11-15 14:20 +0100 [PATCH v15 07/13] clocksource/drivers/arm_arch_timer: Introduce some new structs to prepare for GTDT fu.wei@linaro.org - 2016-11-15 14:20 +0100 [PATCH v15 04/13] clocksource/drivers/arm_arch_timer: rename some enums and defines, and some cleanups. fu.wei@linaro.org - 2016-11-15 14:20 +0100 [PATCH v15 08/13] clocksource/drivers/arm_arch_timer: Refactor the timer init code to prepare for GTDT fu.wei@linaro.org - 2016-11-15 14:20 +0100 [PATCH v15 13/13] acpi/arm64: Add SBSA Generic Watchdog support in GTDT driver fu.wei@linaro.org - 2016-11-15 14:20 +0100 [PATCH v15 03/13] clocksource/drivers/arm_arch_timer: Improve printk relevant code fu.wei@linaro.org - 2016-11-15 14:20 +0100
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