From: Hector Martin <marcan@marcan.st> To: linux-arm-kernel@lists.infradead.org Cc: Hector Martin <marcan@marcan.st>, Marc Zyngier <maz@kernel.org>, Rob Herring <robh@kernel.org>, Arnd Bergmann <arnd@kernel.org>, Olof Johansson <olof@lixom.net>, Krzysztof Kozlowski <krzk@kernel.org>, Mark Kettenis <mark.kettenis@xs4all.nl>, Tony Lindgren <tony@atomide.com>, Mohamed Mediouni <mohamed.mediouni@caramail.com>, Stan Skowronek <stan@corellium.com>, Alexander Graf <graf@amazon.com>, Will Deacon <will@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Mark Rutland <mark.rutland@arm.com>, Andy Shevchenko <andy.shevchenko@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jonathan Corbet <corbet@lwn.net>, Catalin Marinas <catalin.marinas@arm.com>, Christoph Hellwig <hch@infradead.org>, "David S. Miller" <davem@davemloft.net>, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-doc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFT PATCH v3 01/27] arm64: Cope with CPUs stuck in VHE mode Date: Fri, 5 Mar 2021 06:38:36 +0900 [thread overview] Message-ID: <20210304213902.83903-2-marcan@marcan.st> (raw) In-Reply-To: <20210304213902.83903-1-marcan@marcan.st> From: Marc Zyngier <maz@kernel.org> It seems that the CPU known as Apple M1 has the terrible habit of being stuck with HCR_EL2.E2H==1, in violation of the architecture. Try and work around this deplorable state of affairs by detecting the stuck bit early and short-circuit the nVHE dance. It is still unknown whether there are many more such nuggets to be found... Reported-by: Hector Martin <marcan@marcan.st> Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kernel/head.S | 33 ++++++++++++++++++++++++++++++--- arch/arm64/kernel/hyp-stub.S | 28 ++++++++++++++++++++++++---- 2 files changed, 54 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 66b0e0b66e31..673002b11865 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -477,14 +477,13 @@ EXPORT_SYMBOL(kimage_vaddr) * booted in EL1 or EL2 respectively. */ SYM_FUNC_START(init_kernel_el) - mov_q x0, INIT_SCTLR_EL1_MMU_OFF - msr sctlr_el1, x0 - mrs x0, CurrentEL cmp x0, #CurrentEL_EL2 b.eq init_el2 SYM_INNER_LABEL(init_el1, SYM_L_LOCAL) + mov_q x0, INIT_SCTLR_EL1_MMU_OFF + msr sctlr_el1, x0 isb mov_q x0, INIT_PSTATE_EL1 msr spsr_el1, x0 @@ -504,6 +503,34 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL) msr vbar_el2, x0 isb + /* + * Fruity CPUs seem to have HCR_EL2.E2H set to RES1, + * making it impossible to start in nVHE mode. Is that + * compliant with the architecture? Absolutely not! + */ + mrs x0, hcr_el2 + and x0, x0, #HCR_E2H + cbz x0, 1f + + /* Switching to VHE requires a sane SCTLR_EL1 as a start */ + mov_q x0, INIT_SCTLR_EL1_MMU_OFF + msr_s SYS_SCTLR_EL12, x0 + + /* + * Force an eret into a helper "function", and let it return + * to our original caller... This makes sure that we have + * initialised the basic PSTATE state. + */ + mov x0, #INIT_PSTATE_EL2 + msr spsr_el1, x0 + adr_l x0, stick_to_vhe + msr elr_el1, x0 + eret + +1: + mov_q x0, INIT_SCTLR_EL1_MMU_OFF + msr sctlr_el1, x0 + msr elr_el2, lr mov w0, #BOOT_CPU_MODE_EL2 eret diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index 5eccbd62fec8..c7601030ee82 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -27,12 +27,12 @@ SYM_CODE_START(__hyp_stub_vectors) ventry el2_fiq_invalid // FIQ EL2t ventry el2_error_invalid // Error EL2t - ventry el2_sync_invalid // Synchronous EL2h + ventry elx_sync // Synchronous EL2h ventry el2_irq_invalid // IRQ EL2h ventry el2_fiq_invalid // FIQ EL2h ventry el2_error_invalid // Error EL2h - ventry el1_sync // Synchronous 64-bit EL1 + ventry elx_sync // Synchronous 64-bit EL1 ventry el1_irq_invalid // IRQ 64-bit EL1 ventry el1_fiq_invalid // FIQ 64-bit EL1 ventry el1_error_invalid // Error 64-bit EL1 @@ -45,7 +45,7 @@ SYM_CODE_END(__hyp_stub_vectors) .align 11 -SYM_CODE_START_LOCAL(el1_sync) +SYM_CODE_START_LOCAL(elx_sync) cmp x0, #HVC_SET_VECTORS b.ne 1f msr vbar_el2, x1 @@ -71,7 +71,7 @@ SYM_CODE_START_LOCAL(el1_sync) 9: mov x0, xzr eret -SYM_CODE_END(el1_sync) +SYM_CODE_END(elx_sync) // nVHE? No way! Give me the real thing! SYM_CODE_START_LOCAL(mutate_to_vhe) @@ -243,3 +243,23 @@ SYM_FUNC_START(switch_to_vhe) #endif ret SYM_FUNC_END(switch_to_vhe) + +SYM_FUNC_START(stick_to_vhe) + /* + * Make sure the switch to VHE cannot fail, by overriding the + * override. This is hilarious. + */ + adr_l x1, id_aa64mmfr1_override + add x1, x1, #FTR_OVR_MASK_OFFSET + dc civac, x1 + dsb sy + isb + ldr x0, [x1] + bic x0, x0, #(0xf << ID_AA64MMFR1_VHE_SHIFT) + str x0, [x1] + + mov x0, #HVC_VHE_RESTART + hvc #0 + mov x0, #BOOT_CPU_MODE_EL2 + ret +SYM_FUNC_END(stick_to_vhe) -- 2.30.0
WARNING: multiple messages have this Message-ID (diff)
From: Hector Martin <marcan@marcan.st> To: linux-arm-kernel@lists.infradead.org Cc: Hector Martin <marcan@marcan.st>, Marc Zyngier <maz@kernel.org>, Rob Herring <robh@kernel.org>, Arnd Bergmann <arnd@kernel.org>, Olof Johansson <olof@lixom.net>, Krzysztof Kozlowski <krzk@kernel.org>, Mark Kettenis <mark.kettenis@xs4all.nl>, Tony Lindgren <tony@atomide.com>, Mohamed Mediouni <mohamed.mediouni@caramail.com>, Stan Skowronek <stan@corellium.com>, Alexander Graf <graf@amazon.com>, Will Deacon <will@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Mark Rutland <mark.rutland@arm.com>, Andy Shevchenko <andy.shevchenko@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jonathan Corbet <corbet@lwn.net>, Catalin Marinas <catalin.marinas@arm.com>, Christoph Hellwig <hch@infradead.org>, "David S. Miller" <davem@davemloft.net>, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-doc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFT PATCH v3 01/27] arm64: Cope with CPUs stuck in VHE mode Date: Fri, 5 Mar 2021 06:38:36 +0900 [thread overview] Message-ID: <20210304213902.83903-2-marcan@marcan.st> (raw) In-Reply-To: <20210304213902.83903-1-marcan@marcan.st> From: Marc Zyngier <maz@kernel.org> It seems that the CPU known as Apple M1 has the terrible habit of being stuck with HCR_EL2.E2H==1, in violation of the architecture. Try and work around this deplorable state of affairs by detecting the stuck bit early and short-circuit the nVHE dance. It is still unknown whether there are many more such nuggets to be found... Reported-by: Hector Martin <marcan@marcan.st> Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kernel/head.S | 33 ++++++++++++++++++++++++++++++--- arch/arm64/kernel/hyp-stub.S | 28 ++++++++++++++++++++++++---- 2 files changed, 54 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 66b0e0b66e31..673002b11865 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -477,14 +477,13 @@ EXPORT_SYMBOL(kimage_vaddr) * booted in EL1 or EL2 respectively. */ SYM_FUNC_START(init_kernel_el) - mov_q x0, INIT_SCTLR_EL1_MMU_OFF - msr sctlr_el1, x0 - mrs x0, CurrentEL cmp x0, #CurrentEL_EL2 b.eq init_el2 SYM_INNER_LABEL(init_el1, SYM_L_LOCAL) + mov_q x0, INIT_SCTLR_EL1_MMU_OFF + msr sctlr_el1, x0 isb mov_q x0, INIT_PSTATE_EL1 msr spsr_el1, x0 @@ -504,6 +503,34 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL) msr vbar_el2, x0 isb + /* + * Fruity CPUs seem to have HCR_EL2.E2H set to RES1, + * making it impossible to start in nVHE mode. Is that + * compliant with the architecture? Absolutely not! + */ + mrs x0, hcr_el2 + and x0, x0, #HCR_E2H + cbz x0, 1f + + /* Switching to VHE requires a sane SCTLR_EL1 as a start */ + mov_q x0, INIT_SCTLR_EL1_MMU_OFF + msr_s SYS_SCTLR_EL12, x0 + + /* + * Force an eret into a helper "function", and let it return + * to our original caller... This makes sure that we have + * initialised the basic PSTATE state. + */ + mov x0, #INIT_PSTATE_EL2 + msr spsr_el1, x0 + adr_l x0, stick_to_vhe + msr elr_el1, x0 + eret + +1: + mov_q x0, INIT_SCTLR_EL1_MMU_OFF + msr sctlr_el1, x0 + msr elr_el2, lr mov w0, #BOOT_CPU_MODE_EL2 eret diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index 5eccbd62fec8..c7601030ee82 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -27,12 +27,12 @@ SYM_CODE_START(__hyp_stub_vectors) ventry el2_fiq_invalid // FIQ EL2t ventry el2_error_invalid // Error EL2t - ventry el2_sync_invalid // Synchronous EL2h + ventry elx_sync // Synchronous EL2h ventry el2_irq_invalid // IRQ EL2h ventry el2_fiq_invalid // FIQ EL2h ventry el2_error_invalid // Error EL2h - ventry el1_sync // Synchronous 64-bit EL1 + ventry elx_sync // Synchronous 64-bit EL1 ventry el1_irq_invalid // IRQ 64-bit EL1 ventry el1_fiq_invalid // FIQ 64-bit EL1 ventry el1_error_invalid // Error 64-bit EL1 @@ -45,7 +45,7 @@ SYM_CODE_END(__hyp_stub_vectors) .align 11 -SYM_CODE_START_LOCAL(el1_sync) +SYM_CODE_START_LOCAL(elx_sync) cmp x0, #HVC_SET_VECTORS b.ne 1f msr vbar_el2, x1 @@ -71,7 +71,7 @@ SYM_CODE_START_LOCAL(el1_sync) 9: mov x0, xzr eret -SYM_CODE_END(el1_sync) +SYM_CODE_END(elx_sync) // nVHE? No way! Give me the real thing! SYM_CODE_START_LOCAL(mutate_to_vhe) @@ -243,3 +243,23 @@ SYM_FUNC_START(switch_to_vhe) #endif ret SYM_FUNC_END(switch_to_vhe) + +SYM_FUNC_START(stick_to_vhe) + /* + * Make sure the switch to VHE cannot fail, by overriding the + * override. This is hilarious. + */ + adr_l x1, id_aa64mmfr1_override + add x1, x1, #FTR_OVR_MASK_OFFSET + dc civac, x1 + dsb sy + isb + ldr x0, [x1] + bic x0, x0, #(0xf << ID_AA64MMFR1_VHE_SHIFT) + str x0, [x1] + + mov x0, #HVC_VHE_RESTART + hvc #0 + mov x0, #BOOT_CPU_MODE_EL2 + ret +SYM_FUNC_END(stick_to_vhe) -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-04 21:41 UTC|newest] Thread overview: 275+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-04 21:38 [RFT PATCH v3 00/27] Apple M1 SoC platform bring-up Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-04 21:38 ` Hector Martin [this message] 2021-03-04 21:38 ` [RFT PATCH v3 01/27] arm64: Cope with CPUs stuck in VHE mode Hector Martin 2021-03-24 18:05 ` Will Deacon 2021-03-24 18:05 ` Will Deacon 2021-03-24 20:00 ` Marc Zyngier 2021-03-24 20:00 ` Marc Zyngier 2021-03-26 7:54 ` Hector Martin 2021-03-26 7:54 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 02/27] dt-bindings: vendor-prefixes: Add apple prefix Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 20:26 ` Rob Herring 2021-03-08 20:26 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 03/27] dt-bindings: arm: apple: Add bindings for Apple ARM platforms Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:16 ` Linus Walleij 2021-03-05 10:16 ` Linus Walleij 2021-03-08 20:27 ` Rob Herring 2021-03-08 20:27 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple,firestorm & icestorm compatibles Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple, firestorm " Hector Martin 2021-03-08 20:27 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple,firestorm " Rob Herring 2021-03-08 20:27 ` [RFT PATCH v3 04/27] dt-bindings: arm: cpus: Add apple, firestorm " Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 05/27] arm64: cputype: Add CPU implementor & types for the Apple M1 cores Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-24 18:13 ` Will Deacon 2021-03-24 18:13 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: Add interrupt-names support Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm, arch_timer: " Hector Martin 2021-03-05 10:18 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: " Linus Walleij 2021-03-05 10:18 ` Linus Walleij 2021-03-08 11:12 ` Marc Zyngier 2021-03-08 11:12 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm, arch_timer: " Marc Zyngier 2021-03-08 17:14 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: " Tony Lindgren 2021-03-08 17:14 ` Tony Lindgren 2021-03-08 20:38 ` Rob Herring 2021-03-08 20:38 ` Rob Herring 2021-03-08 22:42 ` Marc Zyngier 2021-03-08 22:42 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm, arch_timer: " Marc Zyngier 2021-03-09 16:11 ` [RFT PATCH v3 06/27] dt-bindings: timer: arm,arch_timer: " Rob Herring 2021-03-09 16:11 ` Rob Herring 2021-03-09 20:28 ` Hector Martin 2021-03-09 20:28 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 07/27] arm64: arch_timer: implement support for interrupt-names Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:19 ` Linus Walleij 2021-03-05 10:19 ` Linus Walleij 2021-03-08 11:13 ` Marc Zyngier 2021-03-08 11:13 ` Marc Zyngier 2021-03-04 21:38 ` [RFT PATCH v3 08/27] asm-generic/io.h: Add a non-posted variant of ioremap() Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 14:45 ` Andy Shevchenko 2021-03-05 14:45 ` Andy Shevchenko 2021-03-05 15:19 ` Hector Martin 2021-03-05 15:19 ` Hector Martin 2021-03-08 11:20 ` Marc Zyngier 2021-03-08 11:20 ` Marc Zyngier 2021-03-24 18:12 ` Will Deacon 2021-03-24 18:12 ` Will Deacon 2021-03-24 19:09 ` Arnd Bergmann 2021-03-24 19:09 ` Arnd Bergmann 2021-03-25 14:07 ` Hector Martin 2021-03-25 14:07 ` Hector Martin 2021-03-25 14:49 ` Will Deacon 2021-03-25 14:49 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 09/27] docs: driver-api: device-io: Document I/O access functions Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:22 ` Linus Walleij 2021-03-05 10:22 ` Linus Walleij 2021-03-04 21:38 ` [RFT PATCH v3 10/27] docs: driver-api: device-io: Document ioremap() variants & access funcs Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:25 ` Linus Walleij 2021-03-05 10:25 ` Linus Walleij 2021-03-05 15:09 ` Andy Shevchenko 2021-03-05 15:09 ` Andy Shevchenko 2021-03-05 15:51 ` Arnd Bergmann 2021-03-05 15:51 ` Arnd Bergmann 2021-03-09 20:29 ` Hector Martin 2021-03-09 20:29 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 11/27] arm64: Implement ioremap_np() to map MMIO as nGnRnE Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 11:22 ` Marc Zyngier 2021-03-08 11:22 ` Marc Zyngier 2021-03-24 18:18 ` Will Deacon 2021-03-24 18:18 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 12/27] of/address: Add infrastructure to declare MMIO as non-posted Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:28 ` Linus Walleij 2021-03-05 10:28 ` Linus Walleij 2021-03-05 15:13 ` Andy Shevchenko 2021-03-05 15:13 ` Andy Shevchenko 2021-03-05 15:55 ` Hector Martin 2021-03-05 15:55 ` Hector Martin 2021-03-05 16:08 ` Andy Shevchenko 2021-03-05 16:08 ` Andy Shevchenko 2021-03-05 16:43 ` Arnd Bergmann 2021-03-05 16:43 ` Arnd Bergmann 2021-03-05 17:19 ` Hector Martin 2021-03-05 17:19 ` Hector Martin 2021-03-05 16:05 ` Rob Herring 2021-03-05 16:05 ` Rob Herring 2021-03-05 17:39 ` Rob Herring 2021-03-05 17:39 ` Rob Herring 2021-03-05 18:18 ` Hector Martin 2021-03-05 18:18 ` Hector Martin 2021-03-05 21:17 ` Arnd Bergmann 2021-03-05 21:17 ` Arnd Bergmann 2021-03-08 15:56 ` Rob Herring 2021-03-08 15:56 ` Rob Herring 2021-03-08 20:29 ` Arnd Bergmann 2021-03-08 20:29 ` Arnd Bergmann 2021-03-08 21:13 ` Rob Herring 2021-03-08 21:13 ` Rob Herring 2021-03-08 21:56 ` Arnd Bergmann 2021-03-08 21:56 ` Arnd Bergmann 2021-03-09 15:48 ` Rob Herring 2021-03-09 15:48 ` Rob Herring 2021-03-09 20:23 ` Hector Martin 2021-03-09 20:23 ` Hector Martin 2021-03-09 22:06 ` Rob Herring 2021-03-09 22:06 ` Rob Herring 2021-03-10 8:26 ` Hector Martin 2021-03-10 8:26 ` Hector Martin 2021-03-10 17:01 ` Rob Herring 2021-03-10 17:01 ` Rob Herring 2021-03-11 9:12 ` Arnd Bergmann 2021-03-11 9:12 ` Arnd Bergmann 2021-03-11 12:11 ` Hector Martin 2021-03-11 12:11 ` Hector Martin 2021-03-11 13:35 ` Arnd Bergmann 2021-03-11 13:35 ` Arnd Bergmann 2021-03-11 16:07 ` Rob Herring 2021-03-11 16:07 ` Rob Herring 2021-03-11 16:48 ` Arnd Bergmann 2021-03-11 16:48 ` Arnd Bergmann 2021-03-11 18:10 ` Rob Herring 2021-03-11 18:10 ` Rob Herring 2021-03-12 10:20 ` Arnd Bergmann 2021-03-12 10:20 ` Arnd Bergmann 2021-03-09 11:14 ` Linus Walleij 2021-03-09 11:14 ` Linus Walleij 2021-03-09 12:41 ` Arnd Bergmann 2021-03-09 12:41 ` Arnd Bergmann 2021-03-09 15:40 ` Linus Walleij 2021-03-09 15:40 ` Linus Walleij 2021-03-04 21:38 ` [RFT PATCH v3 13/27] arm64: Add Apple vendor-specific system registers Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-24 18:38 ` Will Deacon 2021-03-24 18:38 ` Will Deacon 2021-03-24 18:59 ` Mark Rutland 2021-03-24 18:59 ` Mark Rutland 2021-03-24 19:04 ` Will Deacon 2021-03-24 19:04 ` Will Deacon 2021-03-26 6:23 ` Hector Martin 2021-03-26 6:23 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 14/27] arm64: move ICH_ sysreg bits from arm-gic-v3.h to sysreg.h Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 11:39 ` Marc Zyngier 2021-03-08 11:39 ` Marc Zyngier 2021-03-24 18:23 ` Will Deacon 2021-03-24 18:23 ` Will Deacon 2021-03-04 21:38 ` [RFT PATCH v3 15/27] dt-bindings: interrupt-controller: Add DT bindings for apple-aic Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 21:16 ` Rob Herring 2021-03-08 21:16 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 16/27] irqchip/apple-aic: Add support for the Apple Interrupt Controller Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 15:05 ` Andy Shevchenko 2021-03-05 15:05 ` Andy Shevchenko 2021-03-08 11:50 ` Marc Zyngier 2021-03-08 11:50 ` Marc Zyngier 2021-03-08 12:02 ` Andy Shevchenko 2021-03-08 12:02 ` Andy Shevchenko 2021-03-26 13:40 ` Hector Martin 2021-03-26 13:40 ` Hector Martin 2021-03-08 13:31 ` Marc Zyngier 2021-03-08 13:31 ` Marc Zyngier 2021-03-26 7:57 ` Hector Martin 2021-03-26 7:57 ` Hector Martin 2021-03-24 19:57 ` Will Deacon 2021-03-24 19:57 ` Will Deacon 2021-03-26 8:58 ` Hector Martin 2021-03-26 8:58 ` Hector Martin 2021-03-29 12:04 ` Will Deacon 2021-03-29 12:04 ` Will Deacon 2021-04-01 13:16 ` Hector Martin 2021-04-01 13:16 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 17/27] arm64: Kconfig: Introduce CONFIG_ARCH_APPLE Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-08 15:35 ` Marc Zyngier 2021-03-08 15:35 ` Marc Zyngier 2021-03-09 20:30 ` Hector Martin 2021-03-09 20:30 ` Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 18/27] tty: serial: samsung_tty: Separate S3C64XX ops structure Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:30 ` Krzysztof Kozlowski 2021-03-05 10:30 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 19/27] tty: serial: samsung_tty: Add ucon_mask parameter Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:34 ` Krzysztof Kozlowski 2021-03-05 10:34 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 20/27] tty: serial: samsung_tty: Add s3c24xx_port_type Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:49 ` Krzysztof Kozlowski 2021-03-05 10:49 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 21/27] tty: serial: samsung_tty: IRQ rework Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:51 ` Krzysztof Kozlowski 2021-03-05 10:51 ` Krzysztof Kozlowski 2021-03-05 15:17 ` Andy Shevchenko 2021-03-05 15:17 ` Andy Shevchenko 2021-03-05 16:16 ` Hector Martin 2021-03-05 16:16 ` Hector Martin 2021-03-05 16:20 ` Andy Shevchenko 2021-03-05 16:20 ` Andy Shevchenko 2021-03-05 16:29 ` Hector Martin 2021-03-05 16:29 ` Hector Martin 2021-03-07 11:34 ` Krzysztof Kozlowski 2021-03-07 11:34 ` Krzysztof Kozlowski 2021-03-07 16:01 ` Arnd Bergmann 2021-03-07 16:01 ` Arnd Bergmann 2021-03-07 19:51 ` Krzysztof Kozlowski 2021-03-07 19:51 ` Krzysztof Kozlowski 2021-03-04 21:38 ` [RFT PATCH v3 22/27] tty: serial: samsung_tty: Use devm_ioremap_resource Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:54 ` Krzysztof Kozlowski 2021-03-05 10:54 ` Krzysztof Kozlowski 2021-03-05 15:19 ` Andy Shevchenko 2021-03-05 15:19 ` Andy Shevchenko 2021-03-04 21:38 ` [RFT PATCH v3 23/27] dt-bindings: serial: samsung: Add apple,s5l-uart compatible Hector Martin 2021-03-04 21:38 ` [RFT PATCH v3 23/27] dt-bindings: serial: samsung: Add apple, s5l-uart compatible Hector Martin 2021-03-08 21:17 ` [RFT PATCH v3 23/27] dt-bindings: serial: samsung: Add apple,s5l-uart compatible Rob Herring 2021-03-08 21:17 ` Rob Herring 2021-03-04 21:38 ` [RFT PATCH v3 24/27] tty: serial: samsung_tty: Add support for Apple UARTs Hector Martin 2021-03-04 21:38 ` Hector Martin 2021-03-05 10:58 ` Krzysztof Kozlowski 2021-03-05 10:58 ` Krzysztof Kozlowski 2021-03-05 15:28 ` Andy Shevchenko 2021-03-05 15:28 ` Andy Shevchenko 2021-03-05 17:04 ` Hector Martin 2021-03-05 17:04 ` Hector Martin 2021-03-07 11:40 ` Krzysztof Kozlowski 2021-03-07 11:40 ` Krzysztof Kozlowski 2021-03-04 21:39 ` [RFT PATCH v3 25/27] tty: serial: samsung_tty: Add earlycon " Hector Martin 2021-03-04 21:39 ` Hector Martin 2021-03-05 10:55 ` Krzysztof Kozlowski 2021-03-05 10:55 ` Krzysztof Kozlowski 2021-03-10 23:11 ` Linus Walleij 2021-03-10 23:11 ` Linus Walleij 2021-03-04 21:39 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple,simple-framebuffer Hector Martin 2021-03-04 21:39 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple, simple-framebuffer Hector Martin 2021-03-08 21:18 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple,simple-framebuffer Rob Herring 2021-03-08 21:18 ` Rob Herring 2021-03-09 16:37 ` Linus Walleij 2021-03-09 16:37 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple, simple-framebuffer Linus Walleij 2021-03-09 20:35 ` [RFT PATCH v3 26/27] dt-bindings: display: Add apple,simple-framebuffer Hector Martin 2021-03-09 20:35 ` Hector Martin 2021-03-04 21:39 ` [RFT PATCH v3 27/27] arm64: apple: Add initial Apple Mac mini (M1, 2020) devicetree Hector Martin 2021-03-04 21:39 ` Hector Martin 2021-03-05 11:03 ` Krzysztof Kozlowski 2021-03-05 11:03 ` Krzysztof Kozlowski 2021-03-05 11:14 ` Hector Martin 2021-03-05 11:14 ` Hector Martin 2021-03-05 11:45 ` Krzysztof Kozlowski 2021-03-05 11:45 ` Krzysztof Kozlowski 2021-03-05 15:59 ` Mark Kettenis 2021-03-05 15:59 ` Mark Kettenis 2021-03-05 16:50 ` Hector Martin 2021-03-05 16:50 ` Hector Martin 2021-03-13 20:22 ` Konrad Dybcio 2021-04-05 5:50 ` Hector Martin 2021-04-06 7:14 ` Arnd Bergmann 2021-03-05 10:11 ` [RFT PATCH v3 00/27] Apple M1 SoC platform bring-up Hector Martin 2021-03-05 10:11 ` Hector Martin
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