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Mon, 25 May 2026 05:30:40 +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 , Pierrick Bouvier , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: Jamin Lin , Troy Lee Subject: [PATCH v2 1/9] hw/arm/aspeed: Convert SRAM MemoryRegion to array type Thread-Topic: [PATCH v2 1/9] hw/arm/aspeed: Convert SRAM MemoryRegion to array type Thread-Index: AQHc7AefNLeYbW/z7kWx1H1070s6FA== Date: Mon, 25 May 2026 05:30:39 +0000 Message-ID: <20260525053036.3305181-2-jamin_lin@aspeedtech.com> References: <20260525053036.3305181-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260525053036.3305181-1-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; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: TYPPR06MB8206:EE_|TYZPR06MB6657:EE_ x-ms-office365-filtering-correlation-id: 803d9e72-ee2b-485c-4217-08deba1ec27d x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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envelope-from=jamin_lin@aspeedtech.com; helo=TYPPR03CU001.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_PASS=-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 Several kinds of RAM are supported across Aspeed SoCs, including=0A= SRAM, SDRAM, HyperRAM, secure SRAM, and generic SRAM. In addition,=0A= different SoCs may expose multiple SRAM regions at different MMIO=0A= addresses.=0A= =0A= The current implementation models SRAM with a single MemoryRegion=0A= instance, which makes future expansion cumbersome when additional=0A= SRAM types or regions are introduced.=0A= =0A= Prepare for future SoC designs by converting the SRAM MemoryRegion=0A= from a single object into an array-based structure. This change=0A= introduces ASPEED_SRAM_NUM and converts existing SRAM users to=0A= reference sram[0].=0A= =0A= No functional change.=0A= =0A= Signed-off-by: Jamin Lin =0A= ---=0A= include/hw/arm/aspeed_soc.h | 3 ++-=0A= hw/arm/aspeed_ast10x0.c | 5 +++--=0A= hw/arm/aspeed_ast2400.c | 6 +++---=0A= hw/arm/aspeed_ast2600.c | 6 +++---=0A= hw/arm/aspeed_ast27x0.c | 4 ++--=0A= 5 files changed, 13 insertions(+), 11 deletions(-)=0A= =0A= diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h=0A= index d7b3647ca1..e6942b2936 100644=0A= --- a/include/hw/arm/aspeed_soc.h=0A= +++ b/include/hw/arm/aspeed_soc.h=0A= @@ -60,6 +60,7 @@=0A= #define ASPEED_PCIE_NUM 3=0A= #define ASPEED_INTC_NUM 2=0A= #define ASPEED_IOEXP_NUM 2=0A= +#define ASPEED_SRAM_NUM 1=0A= =0A= struct AspeedSoCState {=0A= DeviceState parent;=0A= @@ -67,7 +68,7 @@ struct AspeedSoCState {=0A= MemoryRegion *memory;=0A= MemoryRegion *dram_mr;=0A= MemoryRegion dram_container;=0A= - MemoryRegion sram;=0A= + MemoryRegion sram[ASPEED_SRAM_NUM];=0A= MemoryRegion spi_boot_container;=0A= MemoryRegion spi_boot;=0A= MemoryRegion vbootrom;=0A= diff --git a/hw/arm/aspeed_ast10x0.c b/hw/arm/aspeed_ast10x0.c=0A= index 41a4e82c1f..3e478f7520 100644=0A= --- a/hw/arm/aspeed_ast10x0.c=0A= +++ b/hw/arm/aspeed_ast10x0.c=0A= @@ -240,14 +240,15 @@ static bool aspeed_soc_ast10x0_realize(Aspeed10x0SoCS= tate *a, Error **errp)=0A= /* Internal SRAM */=0A= sram_name =3D g_strdup_printf("aspeed.sram.%d",=0A= CPU(a->armv7m.cpu)->cpu_index);=0A= - memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_size, = &err);=0A= + memory_region_init_ram(&s->sram[0], OBJECT(s), sram_name, sc->sram_siz= e,=0A= + &err);=0A= if (err !=3D NULL) {=0A= error_propagate(errp, err);=0A= return false;=0A= }=0A= memory_region_add_subregion(s->memory,=0A= sc->memmap[ASPEED_DEV_SRAM],=0A= - &s->sram);=0A= + &s->sram[0]);=0A= memory_region_init_ram(&s->secsram, OBJECT(s), "sec.sram",=0A= sc->secsram_size, &err);=0A= if (err !=3D NULL) {=0A= diff --git a/hw/arm/aspeed_ast2400.c b/hw/arm/aspeed_ast2400.c=0A= index b1b826b7e0..d79aa832f3 100644=0A= --- a/hw/arm/aspeed_ast2400.c=0A= +++ b/hw/arm/aspeed_ast2400.c=0A= @@ -281,12 +281,12 @@ static void aspeed_ast2400_soc_realize(DeviceState *d= ev, Error **errp)=0A= =0A= /* SRAM */=0A= sram_name =3D g_strdup_printf("aspeed.sram.%d", CPU(&a->cpu[0])->cpu_i= ndex);=0A= - if (!memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_s= ize,=0A= - errp)) {=0A= + if (!memory_region_init_ram(&s->sram[0], OBJECT(s), sram_name,=0A= + sc->sram_size, errp)) {=0A= return;=0A= }=0A= memory_region_add_subregion(s->memory,=0A= - sc->memmap[ASPEED_DEV_SRAM], &s->sram);=0A= + sc->memmap[ASPEED_DEV_SRAM], &s->sram[0]);= =0A= =0A= /* SCU */=0A= if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {=0A= diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c=0A= index efb1d8c063..a69103de89 100644=0A= --- a/hw/arm/aspeed_ast2600.c=0A= +++ b/hw/arm/aspeed_ast2600.c=0A= @@ -437,12 +437,12 @@ static void aspeed_soc_ast2600_realize(DeviceState *d= ev, Error **errp)=0A= =0A= /* SRAM */=0A= sram_name =3D g_strdup_printf("aspeed.sram.%d", CPU(&a->cpu[0])->cpu_i= ndex);=0A= - if (!memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_s= ize,=0A= - errp)) {=0A= + if (!memory_region_init_ram(&s->sram[0], OBJECT(s), sram_name,=0A= + sc->sram_size, errp)) {=0A= return;=0A= }=0A= memory_region_add_subregion(s->memory,=0A= - sc->memmap[ASPEED_DEV_SRAM], &s->sram);=0A= + sc->memmap[ASPEED_DEV_SRAM], &s->sram[0]);= =0A= =0A= /* DPMCU */=0A= aspeed_mmio_map_unimplemented(s->memory, SYS_BUS_DEVICE(&s->dpmcu),=0A= diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c=0A= index 87dcb82e1b..0fb5e4b24c 100644=0A= --- a/hw/arm/aspeed_ast27x0.c=0A= +++ b/hw/arm/aspeed_ast27x0.c=0A= @@ -778,12 +778,12 @@ static void aspeed_soc_ast2700_realize(DeviceState *d= ev, Error **errp)=0A= =0A= /* SRAM */=0A= name =3D g_strdup_printf("aspeed.sram.%d", CPU(&a->cpu[0])->cpu_index)= ;=0A= - if (!memory_region_init_ram(&s->sram, OBJECT(s), name, sc->sram_size,= =0A= + if (!memory_region_init_ram(&s->sram[0], OBJECT(s), name, sc->sram_siz= e,=0A= errp)) {=0A= return;=0A= }=0A= memory_region_add_subregion(s->memory,=0A= - sc->memmap[ASPEED_DEV_SRAM], &s->sram);=0A= + sc->memmap[ASPEED_DEV_SRAM], &s->sram[0]);= =0A= =0A= /* VBOOTROM */=0A= if (!memory_region_init_ram(&s->vbootrom, OBJECT(s), "aspeed.vbootrom"= ,=0A= -- =0A= 2.43.0=0A=