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Fri, 17 Jul 2026 01:47:04 +0000 From: Jamin Lin To: =?iso-8859-1?Q?C=E9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Kane Chen , Andrew Jeffery , Joel Stanley , Alistair Francis , Fabiano Rosas , Laurent Vivier , Paolo Bonzini , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: Jamin Lin , Troy Lee Subject: [PATCH v1 2/3] hw/arm/aspeed_coprocessor: Clarify SCU/SCUIO/FMC fields are shared with PSP SoC to AST2700 Thread-Topic: [PATCH v1 2/3] hw/arm/aspeed_coprocessor: Clarify SCU/SCUIO/FMC fields are shared with PSP SoC to AST2700 Thread-Index: AQHdFY4rJZ+Mzc92gkK7ngV/9xBGng== Date: Fri, 17 Jul 2026 01:47:04 +0000 Message-ID: <20260717014701.1683876-3-jamin_lin@aspeedtech.com> References: <20260717014701.1683876-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260717014701.1683876-1-jamin_lin@aspeedtech.com> Accept-Language: zh-TW, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=aspeedtech.com; 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envelope-from=jamin_lin@aspeedtech.com; helo=TYDPR03CU002.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Add a comment above Aspeed27x0CoprocessorState's scu_alias/scuio_alias/=0A= fmc_alias and scu/scuio/fmc fields noting that they are not owned by=0A= the coprocessor: they point at resources owned by the main PSP SoC,=0A= only aliased into this coprocessor's own address space.=0A= =0A= No functional change.=0A= =0A= Signed-off-by: Jamin Lin =0A= ---=0A= include/hw/arm/aspeed_coprocessor.h | 5 +++++=0A= 1 file changed, 5 insertions(+)=0A= =0A= diff --git a/include/hw/arm/aspeed_coprocessor.h b/include/hw/arm/aspeed_co= processor.h=0A= index 23c3b97f06..ff359ab532 100644=0A= --- a/include/hw/arm/aspeed_coprocessor.h=0A= +++ b/include/hw/arm/aspeed_coprocessor.h=0A= @@ -49,6 +49,11 @@ struct Aspeed27x0CoprocessorState {=0A= =0A= ARMv7MState armv7m;=0A= =0A= + /*=0A= + * SCU, SCUIO and FMC are not owned by this coprocessor: they are=0A= + * shared with the main PSP SoC, and only aliased into this=0A= + * coprocessor's own address space here.=0A= + */=0A= MemoryRegion scu_alias;=0A= MemoryRegion scuio_alias;=0A= MemoryRegion fmc_alias;=0A= -- =0A= 2.43.0=0A=