From patchwork Fri Feb 2 09:37:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kongyang Liu X-Patchwork-Id: 1894514 X-Patchwork-Delegate: uboot@andestech.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=VFpd7Nao; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TRFWn1JtNz23g7 for ; Fri, 2 Feb 2024 23:31:49 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 52BAD87CA7; Fri, 2 Feb 2024 13:31:26 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="VFpd7Nao"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id D7EAE87447; Fri, 2 Feb 2024 10:38:11 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.2 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 7B5D7870E3 for ; Fri, 2 Feb 2024 10:38:09 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=seashell11234455@gmail.com Received: by mail-pg1-x529.google.com with SMTP id 41be03b00d2f7-5ce2aada130so1716544a12.1 for ; Fri, 02 Feb 2024 01:38:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1706866687; x=1707471487; darn=lists.denx.de; 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=XxPdCBd/TwVdbGpQnETuCM6FhhSGuchnZuUPq/fSgfY=; b=VFpd7NaoZN5qACZvYJRVA19XshFEqKIUSGagqPcLFPRI4LMN90sZ93DGN0cggYTj7H QG26Ojx21hQvHJ83d/A0OUNMFhOY/VVrttwQU8a+F8oRDFjHoTYUHbBwXP0QXjWzWorL 8cAPWFCaySADiinkahjNcQ+SZiLhL2v4ZkMzdHEhQH9MNeRWRDcTbEiLRN32IhuaIlPH Fz65xXka1AHsrZcv1Hjv55JMmmr2OhZ8jfbYTwuRknlowEitYV++whMwDHvSvecG5TqJ wfuquYE5t5GMPs6HQWpnKPwop5OaoHxg5sTg3kYACb2FUZ+GCmhvFNiGmi0QPiyZchCX gnhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706866687; x=1707471487; 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=XxPdCBd/TwVdbGpQnETuCM6FhhSGuchnZuUPq/fSgfY=; b=prLHVoQYlUF6ugECLf/aRu72FMkHkSn2WqUQi/UfXwewIYS2e78HiVkxu3Tw8dPjnH /scHd537RzwcN2ivRLbiwJoqwQnpPBBwsbVansKcigWwra9iq0obCRmKOnPyhhM/l7U2 ZXAPoVRTXWL3yxRRXPgjfqJF4ozXk2HcmMCdVgj522Tjdy194h/1YEhjHzvIbd34YBc1 ozVOs9stGobNsytiySSsxr9WUwRcYtjtlZmEnbWTKPr3xuIgelmJefW/1soiyCEQfIhS z4l6Oc5c9gFCRcxJuOeFl8Kc+wWbWHLn0BvbNo2mfFRLrTKIZai5MvSjX7hC/0D3RCoz hQiA== X-Gm-Message-State: AOJu0YziEtu2DeI2lreG/luGzDWUb8p8JmU6ZjL4z3IYPdKqsbIcGU77 GuV6EyvhzSjEnnKW5Cs1BeptfmK10BgttpaMcuO/zctLqs55JWCzbJzJaFE/qmhowIOF X-Google-Smtp-Source: AGHT+IEHi5f+Ovgqkwd/6kEUb10lU4XbwlYGxxjeP9EXh8Ua5lTqeIR5vRmzQ5qlMwcpjyfAHKCjcg== X-Received: by 2002:a05:6a21:9214:b0:19c:ac7f:c3e4 with SMTP id tl20-20020a056a21921400b0019cac7fc3e4mr8062154pzb.42.1706866687266; Fri, 02 Feb 2024 01:38:07 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCVii+mviEcIDi0AauJrO5iAczou4g/UTFApfVne7HEJtEFGG2ZdkWASr0xjlFTfTDFAPBwv+Rg5HN0bzG5ZVDERcABtnBPVq80C6mE+tAKpHbK8M2/wYQ2Ej9S/3K2prCslNtW6iyT5PV9FdxVMpPXSPjkzEI3VXyiy44JAMWUYBUKSJAlT1UuuTytnn7Gh5oPSR46JJjEdrbdCJI/5hhDr7dubH9nj+FcCz7yoVi9MSIuSZQiytVPqNYpEF+9/crCEBivTt2fws0MoLdGHEmabqozDJY1wVF0hD2Ktp17zxLbSClNVUtG8lhhGl9mRmCE3iiF2BHKf2EKYSIEZOC8KtpMb3wk= Received: from localhost.localdomain ([125.126.161.226]) by smtp.gmail.com with ESMTPSA id mf7-20020a17090b184700b0028e2a0d297csm1331612pjb.41.2024.02.02.01.38.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Feb 2024 01:38:06 -0800 (PST) From: Kongyang Liu To: u-boot@lists.denx.de Cc: Anup Patel , Bin Meng , Heinrich Schuchardt , Leo , Michal Simek , Randolph , Rick Chen , Samuel Holland , Shengyu Qu , Tom Rini , Yu Chien Peter Lin Subject: [PATCH 1/2] riscv: cpu: cv1800b: Add support for cv1800b SoC Date: Fri, 2 Feb 2024 17:37:18 +0800 Message-ID: <20240202093748.330658-2-seashell11234455@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240202093748.330658-1-seashell11234455@gmail.com> References: <20240202093748.330658-1-seashell11234455@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 02 Feb 2024 13:31:24 +0100 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Add Sophgo cv1800b SoC to support RISC-V arch. Signed-off-by: Kongyang Liu --- arch/riscv/Kconfig | 1 + arch/riscv/cpu/cv1800b/Kconfig | 12 ++++++++++++ arch/riscv/cpu/cv1800b/Makefile | 6 ++++++ arch/riscv/cpu/cv1800b/cpu.c | 22 ++++++++++++++++++++++ arch/riscv/cpu/cv1800b/dram.c | 21 +++++++++++++++++++++ board/sophgo/milkv_duo/Kconfig | 4 ++-- 6 files changed, 64 insertions(+), 2 deletions(-) create mode 100644 arch/riscv/cpu/cv1800b/Kconfig create mode 100644 arch/riscv/cpu/cv1800b/Makefile create mode 100644 arch/riscv/cpu/cv1800b/cpu.c create mode 100644 arch/riscv/cpu/cv1800b/dram.c diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index ac52c5e6da..2c92b0d9f6 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -93,6 +93,7 @@ source "board/xilinx/mbv/Kconfig" # platform-specific options below source "arch/riscv/cpu/andesv5/Kconfig" +source "arch/riscv/cpu/cv1800b/Kconfig" source "arch/riscv/cpu/fu540/Kconfig" source "arch/riscv/cpu/fu740/Kconfig" source "arch/riscv/cpu/generic/Kconfig" diff --git a/arch/riscv/cpu/cv1800b/Kconfig b/arch/riscv/cpu/cv1800b/Kconfig new file mode 100644 index 0000000000..7225b1210c --- /dev/null +++ b/arch/riscv/cpu/cv1800b/Kconfig @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2024, Kongyang Liu + +config SOPHGO_CV1800B + bool + select ARCH_EARLY_INIT_R + select SYS_CACHE_SHIFT_6 + imply CPU + imply CPU_RISCV + imply RISCV_TIMER + imply CMD_CPU diff --git a/arch/riscv/cpu/cv1800b/Makefile b/arch/riscv/cpu/cv1800b/Makefile new file mode 100644 index 0000000000..da12e0f64e --- /dev/null +++ b/arch/riscv/cpu/cv1800b/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2024, Kongyang Liu + +obj-y += dram.o +obj-y += cpu.o diff --git a/arch/riscv/cpu/cv1800b/cpu.c b/arch/riscv/cpu/cv1800b/cpu.c new file mode 100644 index 0000000000..f13c18942f --- /dev/null +++ b/arch/riscv/cpu/cv1800b/cpu.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018, Bin Meng + */ + +#include +#include + +/* + * cleanup_before_linux() is called just before we call linux + * it prepares the processor for linux + * + * we disable interrupt and caches. + */ +int cleanup_before_linux(void) +{ + disable_interrupts(); + + cache_flush(); + + return 0; +} diff --git a/arch/riscv/cpu/cv1800b/dram.c b/arch/riscv/cpu/cv1800b/dram.c new file mode 100644 index 0000000000..91007c0a3d --- /dev/null +++ b/arch/riscv/cpu/cv1800b/dram.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018, Bin Meng + */ + +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + return fdtdec_setup_mem_size_base(); +} + +int dram_init_banksize(void) +{ + return fdtdec_setup_memory_banksize(); +} diff --git a/board/sophgo/milkv_duo/Kconfig b/board/sophgo/milkv_duo/Kconfig index 2a458f291c..040a7487f1 100644 --- a/board/sophgo/milkv_duo/Kconfig +++ b/board/sophgo/milkv_duo/Kconfig @@ -7,7 +7,7 @@ config SYS_VENDOR default "sophgo" config SYS_CPU - default "generic" + default "cv1800b" config SYS_CONFIG_NAME default "milkv_duo" @@ -23,6 +23,6 @@ config ENV_SECT_SIZE config BOARD_SPECIFIC_OPTIONS def_bool y - select GENERIC_RISCV + select SOPHGO_CV1800B endif From patchwork Fri Feb 2 09:37:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kongyang Liu X-Patchwork-Id: 1894515 X-Patchwork-Delegate: uboot@andestech.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=c7suW04A; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TRFWz6LZMz23g7 for ; Fri, 2 Feb 2024 23:31:59 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id BFBF387CB7; Fri, 2 Feb 2024 13:31:26 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="c7suW04A"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id B8E0F8746C; Fri, 2 Feb 2024 10:38:14 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.2 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 6FD2187061 for ; Fri, 2 Feb 2024 10:38:12 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=seashell11234455@gmail.com Received: by mail-pl1-x62f.google.com with SMTP id d9443c01a7336-1d91397bd22so15355325ad.0 for ; Fri, 02 Feb 2024 01:38:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1706866690; x=1707471490; darn=lists.denx.de; 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=HCWVF8hn32JqV+eQrtUM3GpwL4Xtg3egKRsF4ccsqps=; b=c7suW04AzmEHjWKXGjjoSFftgwTfeYHCCIGpM8oKSxtUuDrfr+Kr6HImi4/FabS1pU cfmr/kWRLybraJC8/kjngIHdgUi94cymO4ugwA636D0kUoa6/HEmyJCw+u9txkbmkLii 1EeDxr7DvSnQYXa609UI4j8b0+taewu0O+ttWcO0bKzp9K7CITuZagBDnAD7PNigyCbo r326h3Ws24CVdYrM54z5iq+Zuam1s7t5Inn+Ku8Pjdf/DiOcCHJ8OL2mEpOJU+oJogqy Ce+t+47k64RDW5eZxrxB23+R9dsscD1YaTiMt0pGXgM71ZVo1C75k93oQ/GoA6eLhuJW SgKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706866690; x=1707471490; 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=HCWVF8hn32JqV+eQrtUM3GpwL4Xtg3egKRsF4ccsqps=; b=ihCGSGPUO4jg/iFWdNpZPKZfaZDKX38oIOXptxa8Zr3HCKyL6Y//QiNKODAtTEcKRJ YzEaODiyNxy89UIy5eYT5zd/LEdlrvVcK7YJp6gF/nmWS0DNWbgtsFNR678MoZBG2D9L FT1YIpm/kHVDaDZJ1iRMYaPsk7nfVc8k9ovUxddwigKYe1ALpALWMwdySn/UvW6wYMHD YDad+d6rnFaHupD+oiTFBUBgrzmUREhOCUP7gYHZvHigH8WTn+gXzbar3RKSY6GLYR0Q ZRFziTGRWl0QQxe7EiGzcFbW7UBJ0Tfjb5DxfnPyZrBMpNCIa1D3FSATDIrZViVUB3OS L//g== X-Gm-Message-State: AOJu0YzotBIXXxBnqgv0GP5QOgjCwGdbnf/icB7409GEU861gaqAocGG TWpSaBD+UD3s0hQtUhSiwdyI2on7Go4HqbpW1BntsJmHYz2cPDa0DTRb67W9AYJp0GuS X-Google-Smtp-Source: AGHT+IEst4Szcu2I+/7zjx68UdBR2242CFG+X325M5tDgKtpMTfoSDqlEDmxSFPlMiydi5Pl0UKT+g== X-Received: by 2002:a17:90a:4591:b0:293:bdef:ce72 with SMTP id v17-20020a17090a459100b00293bdefce72mr7553358pjg.9.1706866689741; Fri, 02 Feb 2024 01:38:09 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCUqh0gNLFYFMnS5r2Xlki6/Mvg02RhLYI6JlKomtS/9AfmUeQAXl9FLZk5KsekxC8rDEtVf5cfDx1G59f8B5X9Z1WrOCtYAgP7/bN8XCuSmdDbh6mGpDw== Received: from localhost.localdomain ([125.126.161.226]) by smtp.gmail.com with ESMTPSA id mf7-20020a17090b184700b0028e2a0d297csm1331612pjb.41.2024.02.02.01.38.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Feb 2024 01:38:09 -0800 (PST) From: Kongyang Liu To: u-boot@lists.denx.de Cc: Leo , Rick Chen , Tom Rini Subject: [PATCH 2/2] riscv: cache: Implement dcache for cv1800b Date: Fri, 2 Feb 2024 17:37:19 +0800 Message-ID: <20240202093748.330658-3-seashell11234455@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240202093748.330658-1-seashell11234455@gmail.com> References: <20240202093748.330658-1-seashell11234455@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 02 Feb 2024 13:31:24 +0100 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Add dcache operations invalidate_dcache_range and flush_dcache_range for cv1800b. Signed-off-by: Kongyang Liu --- arch/riscv/cpu/cv1800b/Makefile | 1 + arch/riscv/cpu/cv1800b/cache.c | 45 +++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 arch/riscv/cpu/cv1800b/cache.c diff --git a/arch/riscv/cpu/cv1800b/Makefile b/arch/riscv/cpu/cv1800b/Makefile index da12e0f64e..95beb34b51 100644 --- a/arch/riscv/cpu/cv1800b/Makefile +++ b/arch/riscv/cpu/cv1800b/Makefile @@ -4,3 +4,4 @@ obj-y += dram.o obj-y += cpu.o +obj-y += cache.o diff --git a/arch/riscv/cpu/cv1800b/cache.c b/arch/riscv/cpu/cv1800b/cache.c new file mode 100644 index 0000000000..b8051e29e0 --- /dev/null +++ b/arch/riscv/cpu/cv1800b/cache.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024, Kongyang Liu + */ + +#include + +/* + * dcache.ipa rs1 (invalidate) + * | 31 - 25 | 24 - 20 | 19 - 15 | 14 - 12 | 11 - 7 | 6 - 0 | + * 0000001 01010 rs1 000 00000 0001011 + * + * dcache.cpa rs1 (clean) + * | 31 - 25 | 24 - 20 | 19 - 15 | 14 - 12 | 11 - 7 | 6 - 0 | + * 0000001 01001 rs1 000 00000 0001011 + * + * dcache.cipa rs1 (clean then invalidate) + * | 31 - 25 | 24 - 20 | 19 - 15 | 14 - 12 | 11 - 7 | 6 - 0 | + * 0000001 01011 rs1 000 00000 0001011 + * + * sync.s + * | 31 - 25 | 24 - 20 | 19 - 15 | 14 - 12 | 11 - 7 | 6 - 0 | + * 0000000 11001 00000 000 00000 0001011 + */ +#define DCACHE_IPA_A0 ".long 0x02a5000b" +#define DCACHE_CPA_A0 ".long 0x0295000b" +#define DCACHE_CIPA_A0 ".long 0x02b5000b" + +#define SYNC_S ".long 0x0190000b" + +void invalidate_dcache_range(unsigned long start, unsigned long end) +{ + register unsigned long i asm("a0") = start & ~(CONFIG_SYS_CACHELINE_SIZE - 1); + for (; i < end; i += CONFIG_SYS_CACHELINE_SIZE) + __asm__ __volatile__(DCACHE_IPA_A0); + __asm__ __volatile__(SYNC_S); +} + +void flush_dcache_range(unsigned long start, unsigned long end) +{ + register unsigned long i asm("a0") = start & ~(CONFIG_SYS_CACHELINE_SIZE - 1); + for (; i < end; i += CONFIG_SYS_CACHELINE_SIZE) + __asm__ __volatile__(DCACHE_CPA_A0); + __asm__ __volatile__(SYNC_S); +}