From patchwork Mon Feb 19 01:17:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Kambalin X-Patchwork-Id: 13562125 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 43599C48BC4 for ; Mon, 19 Feb 2024 01:25:20 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rbsIf-0003Wg-UE; Sun, 18 Feb 2024 20:18:30 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rbsIG-0003JU-Ro; Sun, 18 Feb 2024 20:18:04 -0500 Received: from mail-yb1-xb2b.google.com ([2607:f8b0:4864:20::b2b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rbsIE-0004Fz-Ul; Sun, 18 Feb 2024 20:18:04 -0500 Received: by mail-yb1-xb2b.google.com with SMTP id 3f1490d57ef6-d9b9adaf291so2025475276.1; Sun, 18 Feb 2024 17:18:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1708305481; x=1708910281; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tuYOM1FVIB3OzXwVPe83KWrfFovM0kKEkp064vojOnM=; b=aHk6xZ/VGoCBv2VrmJkfPul/Xd4t1dJuzWU15ZuwXbv0qly649yMVxFLCjaMjpNMR1 eO4RP0+fO+8d3lngM0BV+qxBegPX6RrYaRYJo056mH80YwAaQwFKYuZ+n9d8ePwKM9ZT 9zjlHUYGyfSmym+HMfzTVihmX4Ef02MdDEbouO1nFCOKhbbZbSNtu9iY8NGUGG6DwzXv qVz5QsEyAIoVMN0IsUFOeiZ7wp5J/r7FTinmzHqdjbSgwPCTQ2T4eu5VpXcV3ziJ725X Ym5NXSoy1dbmy0udstTLgreCv5x9NYjKN0KomcUG/MExBZ7rq26Q6cRJNE0/487t7DE7 Al5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708305481; x=1708910281; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tuYOM1FVIB3OzXwVPe83KWrfFovM0kKEkp064vojOnM=; b=q62ci3AAeDQmo/P2Ii54OimY5G6L9me96TTqSdgQMiYJLfnesX+uMVAmi7WmMPHW0i Mn0Ma24cmHo32YYcS0NHLpD0t+VLdhWSUG4UTwf/rJlcLesTdyNnGa12gK7fUHKsrUwm goLKJjvLsTu8RbhBWCvu2Nl5kgxSv3AJebAaNQA0tJgZKIzaq+mLCPOlBPyFr2t3AvZn WdJ9O6VCHv5j2kOa8a5BL5jlXf4PLZTyNaRUwDFc+QCpeMcHc99iXuWc4YXcics3dzuw b9sZTwjbZ8kZzdf8zxCEbaKb+p9jErmj+jobnMZNtY8i+1BCmURe1cYWPNlS+7galE8y ljCA== X-Gm-Message-State: AOJu0YzYO88iOkLABajMKbNQEITnvDTH7FXobDN1KOXVOPDLowV6vcep hqhq9GyOSCc//fngMXPYMSobNGV0kZJQS2rFf/zEUIhhvEQogSaqHguk/g4mk+c= X-Google-Smtp-Source: AGHT+IHRNuzXr9FAE4tejh1yz/5nn2Y5ujlf+cHgymgD/llu8mo95R1M9b5XG2gf6T0mAzhjfgpuZQ== X-Received: by 2002:a81:5748:0:b0:604:a081:c198 with SMTP id l69-20020a815748000000b00604a081c198mr8028715ywb.42.1708305481201; Sun, 18 Feb 2024 17:18:01 -0800 (PST) Received: from localhost.localdomain ([201.203.117.224]) by smtp.gmail.com with ESMTPSA id m12-20020a819e0c000000b00607ff905ed3sm1204704ywj.58.2024.02.18.17.18.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Feb 2024 17:18:00 -0800 (PST) From: Sergey Kambalin X-Google-Original-From: Sergey Kambalin To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, Sergey Kambalin Subject: [PATCH v5 11/41] Temporarily disable unimplemented rpi4b devices Date: Sun, 18 Feb 2024 19:17:09 -0600 Message-Id: <20240219011739.2316619-12-sergey.kambalin@auriga.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240219011739.2316619-1-sergey.kambalin@auriga.com> References: <20240219011739.2316619-1-sergey.kambalin@auriga.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::b2b; envelope-from=serg.oker@gmail.com; helo=mail-yb1-xb2b.google.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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This commit adds RPi4B device tree modifications: - disable pcie, rng200, thermal sensor and genet devices (they're going to be re-enabled in the following commits) - create additional memory region in device tree if RAM amount exceeds VC base address. Signed-off-by: Sergey Kambalin Reviewed-by: Peter Maydell --- hw/arm/raspi.c | 5 +-- hw/arm/raspi4b.c | 62 +++++++++++++++++++++++++++++++++ include/hw/arm/raspi_platform.h | 4 +++ 3 files changed, 67 insertions(+), 4 deletions(-) diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c index 8b1a046912..a7a662f40d 100644 --- a/hw/arm/raspi.c +++ b/hw/arm/raspi.c @@ -37,9 +37,6 @@ OBJECT_DECLARE_SIMPLE_TYPE(RaspiMachineState, RASPI_MACHINE) #define FIRMWARE_ADDR_3 0x80000 /* Pi 3 loads kernel.img here by default */ #define SPINTABLE_ADDR 0xd8 /* Pi 3 bootloader spintable */ -/* Registered machine type (matches RPi Foundation bootloader and U-Boot) */ -#define MACH_TYPE_BCM2708 3138 - struct RaspiMachineState { /*< private >*/ RaspiBaseMachineState parent_obj; @@ -75,7 +72,7 @@ static const struct { [PROCESSOR_ID_BCM2838] = {TYPE_BCM2838, BCM283X_NCPUS}, }; -static uint64_t board_ram_size(uint32_t board_rev) +uint64_t board_ram_size(uint32_t board_rev) { assert(FIELD_EX32(board_rev, REV_CODE, STYLE)); /* Only new style */ return 256 * MiB << FIELD_EX32(board_rev, REV_CODE, MEMORY_SIZE); diff --git a/hw/arm/raspi4b.c b/hw/arm/raspi4b.c index 36a4593928..49dec6e53a 100644 --- a/hw/arm/raspi4b.c +++ b/hw/arm/raspi4b.c @@ -21,6 +21,7 @@ #include "hw/arm/boot.h" #include "qom/object.h" #include "hw/arm/bcm2838.h" +#include #define TYPE_RASPI4B_MACHINE MACHINE_TYPE_NAME("raspi4b-2g") OBJECT_DECLARE_SIMPLE_TYPE(Raspi4bMachineState, RASPI4B_MACHINE) @@ -30,6 +31,66 @@ struct Raspi4bMachineState { BCM2838State soc; }; +/* + * Add second memory region if board RAM amount exceeds VC base address + * (see https://datasheets.raspberrypi.com/bcm2711/bcm2711-peripherals.pdf + * 1.2 Address Map) + */ +static int raspi_add_memory_node(void *fdt, hwaddr mem_base, hwaddr mem_len) +{ + int ret; + uint32_t acells, scells; + char *nodename = g_strdup_printf("/memory@%" PRIx64, mem_base); + + acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells", + NULL, &error_fatal); + scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells", + NULL, &error_fatal); + if (acells == 0 || scells == 0) { + fprintf(stderr, "dtb file invalid (#address-cells or #size-cells 0)\n"); + ret = -1; + } else { + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_string(fdt, nodename, "device_type", "memory"); + ret = qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", + acells, mem_base, + scells, mem_len); + } + + g_free(nodename); + return ret; +} + +static void raspi4_modify_dtb(const struct arm_boot_info *info, void *fdt) +{ + uint64_t ram_size; + + /* Temporarily disable following devices until they are implemented */ + const char *nodes_to_remove[] = { + "brcm,bcm2711-pcie", + "brcm,bcm2711-rng200", + "brcm,bcm2711-thermal", + "brcm,bcm2711-genet-v5", + }; + + for (int i = 0; i < ARRAY_SIZE(nodes_to_remove); i++) { + const char *dev_str = nodes_to_remove[i]; + + int offset = fdt_node_offset_by_compatible(fdt, -1, dev_str); + if (offset >= 0) { + if (!fdt_nop_node(fdt, offset)) { + warn_report("bcm2711 dtc: %s has been disabled!", dev_str); + } + } + } + + ram_size = board_ram_size(info->board_id); + + if (info->ram_size > UPPER_RAM_BASE) { + raspi_add_memory_node(fdt, UPPER_RAM_BASE, ram_size - UPPER_RAM_BASE); + } +} + static void raspi4b_machine_init(MachineState *machine) { Raspi4bMachineState *s = RASPI4B_MACHINE(machine); @@ -37,6 +98,7 @@ static void raspi4b_machine_init(MachineState *machine) RaspiBaseMachineClass *mc = RASPI_BASE_MACHINE_GET_CLASS(machine); BCM2838State *soc = &s->soc; + s_base->binfo.modify_dtb = raspi4_modify_dtb; s_base->binfo.board_id = mc->board_rev; object_initialize_child(OBJECT(machine), "soc", soc, diff --git a/include/hw/arm/raspi_platform.h b/include/hw/arm/raspi_platform.h index 45003e2425..0db146e592 100644 --- a/include/hw/arm/raspi_platform.h +++ b/include/hw/arm/raspi_platform.h @@ -31,6 +31,9 @@ #include "hw/boards.h" #include "hw/arm/boot.h" +/* Registered machine type (matches RPi Foundation bootloader and U-Boot) */ +#define MACH_TYPE_BCM2708 3138 + #define TYPE_RASPI_BASE_MACHINE MACHINE_TYPE_NAME("raspi-base") OBJECT_DECLARE_TYPE(RaspiBaseMachineState, RaspiBaseMachineClass, RASPI_BASE_MACHINE) @@ -59,6 +62,7 @@ void raspi_base_machine_init(MachineState *machine, void raspi_machine_class_common_init(MachineClass *mc, uint32_t board_rev); +uint64_t board_ram_size(uint32_t board_rev); #define MSYNC_OFFSET 0x0000 /* Multicore Sync Block */ #define CCPT_OFFSET 0x1000 /* Compact Camera Port 2 TX */