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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42ac677ab75sm32506552f8f.35.2025.11.12.03.36.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Nov 2025 03:36:44 -0800 (PST) Message-ID: Date: Wed, 12 Nov 2025 12:36:43 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 11/15] hw/misc: Add Beckhoff CCAT device Content-Language: en-US To: =?UTF-8?Q?Corvin_K=C3=B6hne?= , qemu-devel@nongnu.org Cc: Peter Maydell , =?UTF-8?Q?Yannick_Vo=C3=9Fen?= , qemu-block@nongnu.org, Paolo Bonzini , Hanna Reitz , Alistair Francis , qemu-arm@nongnu.org, =?UTF-8?Q?Corvin_K=C3=B6hne?= , Kevin Wolf , "Edgar E. Iglesias" References: <20251111102836.212535-1-corvin.koehne@gmail.com> <20251111102836.212535-12-corvin.koehne@gmail.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20251111102836.212535-12-corvin.koehne@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=philmd@linaro.org; helo=mail-wr1-x42d.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, RCVD_IN_DNSWL_NONE=-0.0001, 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 On 11/11/25 11:28, Corvin Köhne wrote: > From: YannickV > > This adds the Beckhoff Communication Controller (CCAT). The information > block, EEPROM interface and DMA controller are currently implemented. > > The EEPROM provides production information for Beckhoff Devices. > An EEPORM binary must therefor be handed over. It should be aligned to > a power of two. If no EEPROM binary is handed over an empty EEPROM of > size 4096 is initialized. > > This device is needed for the Beckhoff CX7200 board emulation. > > Signed-off-by: YannickV > --- > hw/misc/Kconfig | 3 + > hw/misc/beckhoff_ccat.c | 338 ++++++++++++++++++++++++++++++++++++++++ > hw/misc/meson.build | 1 + > 3 files changed, 342 insertions(+) > create mode 100644 hw/misc/beckhoff_ccat.c > +#define TYPE_BECKHOFF_CCAT "beckhoff-ccat" > +OBJECT_DECLARE_SIMPLE_TYPE(BeckhoffCcat, BECKHOFF_CCAT) > + > +#define MAX_NUM_SLOTS 32 > +#define CCAT_FUNCTION_BLOCK_SIZE 16 > + > +#define CCAT_EEPROM_OFFSET 0x100 > +#define CCAT_DMA_OFFSET 0x8000 > + > +#define CCAT_MEM_SIZE 0xFFFF Likely #define CCAT_MEM_SIZE (64 * KiB) > +#define CCAT_DMA_SIZE 0x800 > +#define CCAT_EEPROM_SIZE 0x20 > + > +#define EEPROM_MEMORY_SIZE 0x1000