From: fu.wei@linaro.org To: rjw@rjwysocki.net, lenb@kernel.org, daniel.lezcano@linaro.org, tglx@linutronix.de, marc.zyngier@arm.com, mark.rutland@arm.com, lorenzo.pieralisi@arm.com, sudeep.holla@arm.com, hanjun.guo@linaro.org Cc: linux-arm-kernel@lists.infradead.org, linaro-acpi@lists.linaro.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, rruigrok@codeaurora.org, harba@codeaurora.org, cov@codeaurora.org, timur@codeaurora.org, graeme.gregory@linaro.org, al.stone@linaro.org, jcm@redhat.com, wei@redhat.com, arnd@arndb.de, catalin.marinas@arm.com, will.deacon@arm.com, Suravee.Suthikulpanit@amd.com, leo.duran@amd.com, wim@iguana.be, linux@roeck-us.net, linux-watchdog@vger.kernel.org, tn@semihalf.com, christoffer.dall@linaro.org, julien.grall@arm.com, Fu Wei <fu.wei@linaro.org> Subject: [PATCH v24 04/11] clocksource: arm_arch_timer: add structs to describe MMIO timer Date: Sat, 15 Apr 2017 02:40:07 +0800 [thread overview] Message-ID: <20170414184014.8524-5-fu.wei@linaro.org> (raw) In-Reply-To: <20170414184014.8524-1-fu.wei@linaro.org> From: Fu Wei <fu.wei@linaro.org> In preparation for ACPI GTDT support, this patch adds structs to describe the MMIO timers indepedent of the firmware interface. Subsequent patches will use these to split the FW/HW probing logic, so that the HW probing logic can be shared by ACPI and DT. Signed-off-by: Fu Wei <fu.wei@linaro.org> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Mark Rutland <mark.rutland@arm.com> --- include/clocksource/arm_arch_timer.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index 4a98c06..cc805b7 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 +74,20 @@ struct arch_timer_kvm_info { int virtual_irq; }; +struct arch_timer_mem_frame { + bool valid; + phys_addr_t cntbase; + size_t size; + int phys_irq; + int virt_irq; +}; + +struct arch_timer_mem { + phys_addr_t cntctlbase; + size_t size; + struct arch_timer_mem_frame frame[ARCH_TIMER_MEM_MAX_FRAMES]; +}; + #ifdef CONFIG_ARM_ARCH_TIMER extern u32 arch_timer_get_rate(void); -- 2.9.3
WARNING: multiple messages have this Message-ID (diff)
From: fu.wei@linaro.org (fu.wei at linaro.org) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v24 04/11] clocksource: arm_arch_timer: add structs to describe MMIO timer Date: Sat, 15 Apr 2017 02:40:07 +0800 [thread overview] Message-ID: <20170414184014.8524-5-fu.wei@linaro.org> (raw) In-Reply-To: <20170414184014.8524-1-fu.wei@linaro.org> From: Fu Wei <fu.wei@linaro.org> In preparation for ACPI GTDT support, this patch adds structs to describe the MMIO timers indepedent of the firmware interface. Subsequent patches will use these to split the FW/HW probing logic, so that the HW probing logic can be shared by ACPI and DT. Signed-off-by: Fu Wei <fu.wei@linaro.org> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Mark Rutland <mark.rutland@arm.com> --- include/clocksource/arm_arch_timer.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index 4a98c06..cc805b7 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 +74,20 @@ struct arch_timer_kvm_info { int virtual_irq; }; +struct arch_timer_mem_frame { + bool valid; + phys_addr_t cntbase; + size_t size; + int phys_irq; + int virt_irq; +}; + +struct arch_timer_mem { + phys_addr_t cntctlbase; + size_t size; + struct arch_timer_mem_frame frame[ARCH_TIMER_MEM_MAX_FRAMES]; +}; + #ifdef CONFIG_ARM_ARCH_TIMER extern u32 arch_timer_get_rate(void); -- 2.9.3
next prev parent reply other threads:[~2017-04-14 18:40 UTC|newest] Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-04-14 18:40 [PATCH v24 00/11] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 01/11] clocksource: arm_arch_timer: split dt-only rate handling fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 02/11] clocksource: arm_arch_timer: refactor arch_timer_needs_probing fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 03/11] clocksource: arm_arch_timer: move arch_timer_needs_of_probing into DT init call fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` fu.wei [this message] 2017-04-14 18:40 ` [PATCH v24 04/11] clocksource: arm_arch_timer: add structs to describe MMIO timer fu.wei at linaro.org [not found] ` <20170414184014.8524-1-fu.wei-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> 2017-04-14 18:40 ` [PATCH v24 05/11] clocksource: arm_arch_timer: split MMIO timer probing fu.wei-QSEj5FYQhm4dnm+yROfE0A 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` fu.wei 2017-04-14 18:40 ` [PATCH v24 06/11] acpi/arm64: Add GTDT table parse driver fu.wei-QSEj5FYQhm4dnm+yROfE0A 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` fu.wei 2017-04-14 18:40 ` [PATCH v24 07/11] clocksource: arm_arch_timer: simplify ACPI support code fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 08/11] acpi: Introduce acpi_unregister_irq function fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-18 15:58 ` Mark Rutland 2017-04-18 15:58 ` Mark Rutland 2017-04-19 15:09 ` Mark Rutland 2017-04-19 15:09 ` Mark Rutland 2017-04-14 18:40 ` [PATCH v24 09/11] acpi/arm64: Add memory-mapped timer support in GTDT driver fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-18 17:21 ` Lorenzo Pieralisi 2017-04-18 17:21 ` Lorenzo Pieralisi 2017-04-19 15:07 ` Mark Rutland 2017-04-19 15:07 ` Mark Rutland 2017-04-19 15:45 ` Mark Rutland 2017-04-19 15:45 ` Mark Rutland 2017-04-19 15:45 ` Mark Rutland 2017-04-19 15:56 ` Lorenzo Pieralisi 2017-04-19 15:56 ` Lorenzo Pieralisi 2017-04-19 15:56 ` Lorenzo Pieralisi 2017-04-14 18:40 ` [PATCH v24 10/11] clocksource: arm_arch_timer: add GTDT support for memory-mapped timer fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` [PATCH v24 11/11] acpi/arm64: Add SBSA Generic Watchdog support in GTDT driver fu.wei 2017-04-14 18:40 ` fu.wei at linaro.org 2017-04-14 18:40 ` fu.wei
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