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[147.11.156.139]) by smtp.gmail.com with ESMTPSA id n66sm21916129pfk.19.2018.12.11.01.30.07 (version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 11 Dec 2018 01:30:07 -0800 (PST) From: Bin Meng To: Rick Chen , Simon Glass , Lukas Auer , Anup Patel , U-Boot Mailing List Date: Tue, 11 Dec 2018 01:34:39 -0800 Message-Id: <1544520901-31558-4-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1544520901-31558-1-git-send-email-bmeng.cn@gmail.com> References: <1544520901-31558-1-git-send-email-bmeng.cn@gmail.com> Subject: [U-Boot] [PATCH v3 03/25] riscv: qemu: Create a simple-bus driver for the soc node X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" To enumerate devices on the /soc/ node, create a "simple-bus" driver to match "riscv-virtio-soc". Signed-off-by: Bin Meng Reviewed-by: Lukas Auer --- Changes in v3: None Changes in v2: - add DM_FLAG_PRE_RELOC flag to the simple-bus driver arch/riscv/cpu/qemu/cpu.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/riscv/cpu/qemu/cpu.c b/arch/riscv/cpu/qemu/cpu.c index 25d97d0..ad2950c 100644 --- a/arch/riscv/cpu/qemu/cpu.c +++ b/arch/riscv/cpu/qemu/cpu.c @@ -4,6 +4,7 @@ */ #include +#include /* * cleanup_before_linux() is called just before we call linux @@ -19,3 +20,16 @@ int cleanup_before_linux(void) return 0; } + +/* To enumerate devices on the /soc/ node, create a "simple-bus" driver */ +static const struct udevice_id riscv_virtio_soc_ids[] = { + { .compatible = "riscv-virtio-soc" }, + { } +}; + +U_BOOT_DRIVER(riscv_virtio_soc) = { + .name = "riscv_virtio_soc", + .id = UCLASS_SIMPLE_BUS, + .of_match = riscv_virtio_soc_ids, + .flags = DM_FLAG_PRE_RELOC, +};