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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1761136222; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kB28TO+73+LeDdZTZD3TGVweCe+TgzwQ/tG9XCfyIjw=; b=dqDPO4ztdMHGHuJzJmNxis8H+dttdUCHrIUgzQh2PHMeD96zxaxXgq6HP9aL+RM7R/gRHN yuYnTsD6BZetaxnFEpH935V+brIPI6nTQo4iYb18q6lF3QKA1o9Y+2OI2PjLHAppCe2byp vm2x0OCQff9fOJWWBdn2pkfnhs6q9y4= X-MC-Unique: 1neqlS2fOtyROEuuzDVpwQ-1 X-Mimecast-MFC-AGG-ID: 1neqlS2fOtyROEuuzDVpwQ_1761136218 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jamin Lin , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 07/16] hw/arm/aspeed_ast27x0-fc: Map FMC0 flash contents into CA35 boot ROM Date: Wed, 22 Oct 2025 14:29:44 +0200 Message-ID: <20251022122953.877335-8-clg@redhat.com> In-Reply-To: <20251022122953.877335-1-clg@redhat.com> References: <20251022122953.877335-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@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-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1761136503995154100 From: Jamin Lin This patch introduces a dedicated ca35_boot_rom memory region and copies the FMC0 flash data into it. The motivation is to support the upcoming vbootrom. The vbootrom replaces the existing BOOTMCU (RISC-V 32 SPL) flow, which currently reads the "image-bmc" from FMC_CS0 and loads the following components into DRAM: - Trusted Firmware-A - OP-TEE OS - u-boot-nodtb.bin - u-boot.dtb After loading, BOOTMCU releases the CA35 reset so that CA35 can start executing Trusted Firmware-A. The vbootrom follows the same sequence: CA35 fetches "image-bmc" from FMC0 flash at the SPI boot ROM base address (0x100000000), parses the FIT image, loads each component into its designated DRAM location, and then jumps to Trusted Firmware-A. Signed-off-by: Jamin Lin Reviewed-by: C=C3=A9dric Le Goater Link: https://lore.kernel.org/qemu-devel/20251015062210.3128710-8-jamin_lin= @aspeedtech.com Signed-off-by: C=C3=A9dric Le Goater --- hw/arm/aspeed_ast27x0-fc.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/hw/arm/aspeed_ast27x0-fc.c b/hw/arm/aspeed_ast27x0-fc.c index 99af87dbd7bd..99c0b3415990 100644 --- a/hw/arm/aspeed_ast27x0-fc.c +++ b/hw/arm/aspeed_ast27x0-fc.c @@ -35,6 +35,7 @@ struct Ast2700FCState { =20 MemoryRegion ca35_memory; MemoryRegion ca35_dram; + MemoryRegion ca35_boot_rom; MemoryRegion ssp_memory; MemoryRegion tsp_memory; =20 @@ -44,8 +45,6 @@ struct Ast2700FCState { Aspeed27x0SoCState ca35; Aspeed27x0CoprocessorState ssp; Aspeed27x0CoprocessorState tsp; - - bool mmio_exec; }; =20 #define AST2700FC_BMC_RAM_SIZE (1 * GiB) @@ -61,6 +60,9 @@ static bool ast2700fc_ca35_init(MachineState *machine, Er= ror **errp) Ast2700FCState *s =3D AST2700A1FC(machine); AspeedSoCState *soc; AspeedSoCClass *sc; + BlockBackend *fmc0 =3D NULL; + DeviceState *dev =3D NULL; + uint64_t rom_size; =20 object_initialize_child(OBJECT(s), "ca35", &s->ca35, "ast2700-a1"); soc =3D ASPEED_SOC(&s->ca35); @@ -112,6 +114,14 @@ static bool ast2700fc_ca35_init(MachineState *machine,= Error **errp) ast2700fc_board_info.ram_size =3D machine->ram_size; ast2700fc_board_info.loader_start =3D sc->memmap[ASPEED_DEV_SDRAM]; =20 + dev =3D ssi_get_cs(soc->fmc.spi, 0); + fmc0 =3D dev ? m25p80_get_blk(dev) : NULL; + + if (fmc0) { + rom_size =3D memory_region_size(&soc->spi_boot); + aspeed_install_boot_rom(soc, fmc0, &s->ca35_boot_rom, rom_size); + } + arm_load_kernel(ARM_CPU(first_cpu), machine, &ast2700fc_board_info); =20 return true; --=20 2.51.0