From patchwork Wed Mar 19 06:13:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Huber X-Patchwork-Id: 14022095 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 BB3FBC35FF1 for ; Wed, 19 Mar 2025 06:16:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tumgm-0006kB-2R; Wed, 19 Mar 2025 02:14:04 -0400 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 1tumgh-0006ZA-44; Wed, 19 Mar 2025 02:13:59 -0400 Received: from dedi548.your-server.de ([85.10.215.148]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tumge-0001RV-UG; Wed, 19 Mar 2025 02:13:58 -0400 Received: from sslproxy08.your-server.de ([78.47.166.52]) by dedi548.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1tumgb-000ACz-2p; Wed, 19 Mar 2025 07:13:53 +0100 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy08.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tumgb-000I0q-2J; Wed, 19 Mar 2025 07:13:53 +0100 Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 517CA4800A8; Wed, 19 Mar 2025 07:13:53 +0100 (CET) Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavis, port 10032) with ESMTP id DMNaN57FwgMT; Wed, 19 Mar 2025 07:13:53 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 14B834800A3; Wed, 19 Mar 2025 07:13:53 +0100 (CET) X-Virus-Scanned: amavis at zimbra.eb.localhost Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavis, port 10026) with ESMTP id CRTKYmoZRDYs; Wed, 19 Mar 2025 07:13:53 +0100 (CET) Received: from zimbra.eb.localhost (unknown [10.10.171.10]) by mail.embedded-brains.de (Postfix) with ESMTPSA id D80674800A8; Wed, 19 Mar 2025 07:13:51 +0100 (CET) From: Sebastian Huber To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, "Alistair Francis" , "Daniel Henrique Barboza" Subject: [PATCH v3 2/6] hw/riscv: More flexible FDT placement for MPFS Date: Wed, 19 Mar 2025 07:13:34 +0100 Message-ID: <20250319061342.26435-3-sebastian.huber@embedded-brains.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250319061342.26435-1-sebastian.huber@embedded-brains.de> References: <20250319061342.26435-1-sebastian.huber@embedded-brains.de> MIME-Version: 1.0 X-Authenticated-Sender: smtp-embedded@poldi-networks.de X-Virus-Scanned: Clear (ClamAV 1.0.7/27581/Tue Mar 18 14:04:32 2025) Received-SPF: pass client-ip=85.10.215.148; envelope-from=sebastian.huber@embedded-brains.de; helo=dedi548.your-server.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org If the kernel entry is in the high DRAM area, place the FDT into this area. Signed-off-by: Sebastian Huber Reviewed-by: Alistair Francis --- hw/riscv/microchip_pfsoc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c index 9c846f9b5b..f477d2791e 100644 --- a/hw/riscv/microchip_pfsoc.c +++ b/hw/riscv/microchip_pfsoc.c @@ -626,8 +626,15 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) kernel_entry = boot_info.image_low_addr; /* Compute the fdt load address in dram */ - fdt_load_addr = riscv_compute_fdt_addr(memmap[MICROCHIP_PFSOC_DRAM_LO].base, - memmap[MICROCHIP_PFSOC_DRAM_LO].size, + hwaddr kernel_ram_base = memmap[MICROCHIP_PFSOC_DRAM_LO].base; + hwaddr kernel_ram_size = memmap[MICROCHIP_PFSOC_DRAM_LO].size; + + if (kernel_entry - kernel_ram_base >= kernel_ram_size) { + kernel_ram_base = memmap[MICROCHIP_PFSOC_DRAM_HI].base; + kernel_ram_size = mem_high_size; + } + + fdt_load_addr = riscv_compute_fdt_addr(kernel_ram_base, kernel_ram_size, machine, &boot_info); riscv_load_fdt(fdt_load_addr, machine->fdt);