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X-Received-From: 2607:f8b0:400d:c0d::242 Subject: [Qemu-devel] [PATCH v13 15/30] hw/arm/exynos4210: add a comment about a very similar SDHCI (Spec. v2) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Edgar E . Iglesias" , Peter Maydell , Fam Zheng , qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alistair Francis , Igor Mitsyanko , "open list:Exynos" Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-devel" X-TUID: Uoo/ZzkyGkW0 Signed-off-by: Philippe Mathieu-Daudé Acked-by: Alistair Francis --- hw/arm/exynos4210.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/hw/arm/exynos4210.c b/hw/arm/exynos4210.c index d89322c7ea..06f9d1ffa4 100644 --- a/hw/arm/exynos4210.c +++ b/hw/arm/exynos4210.c @@ -377,6 +377,18 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem) BlockBackend *blk; DriveInfo *di; + /* Compatible with: + * - SD Host Controller Specification Version 2.0 + * - SDIO Specification Version 2.0 + * - MMC Specification Version 4.3 + * - SDMA + * - ADMA2 + * + * As this part of the Exynos4210 is not publically available, + * we used the "HS-MMC Controller S3C2416X RISC Microprocessor" + * public datasheet which is very similar (implementing + * MMC Specification Version 4.0 being the only difference noted) + */ dev = qdev_create(NULL, TYPE_SYSBUS_SDHCI); qdev_prop_set_uint64(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES); qdev_init_nofail(dev); -- 2.16.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52759) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1elRu0-00018U-Gr for qemu-devel@nongnu.org; Mon, 12 Feb 2018 23:09:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1elRtz-0007nW-KT for qemu-devel@nongnu.org; Mon, 12 Feb 2018 23:09:08 -0500 Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Tue, 13 Feb 2018 01:07:54 -0300 Message-Id: <20180213040809.26021-16-f4bug@amsat.org> In-Reply-To: <20180213040809.26021-1-f4bug@amsat.org> References: <20180213040809.26021-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v13 15/30] hw/arm/exynos4210: add a comment about a very similar SDHCI (Spec. v2) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, Peter Maydell , Alistair Francis , "Edgar E . Iglesias" , Fam Zheng , Igor Mitsyanko , "open list:Exynos" Signed-off-by: Philippe Mathieu-Daudé Acked-by: Alistair Francis --- hw/arm/exynos4210.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/hw/arm/exynos4210.c b/hw/arm/exynos4210.c index d89322c7ea..06f9d1ffa4 100644 --- a/hw/arm/exynos4210.c +++ b/hw/arm/exynos4210.c @@ -377,6 +377,18 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem) BlockBackend *blk; DriveInfo *di; + /* Compatible with: + * - SD Host Controller Specification Version 2.0 + * - SDIO Specification Version 2.0 + * - MMC Specification Version 4.3 + * - SDMA + * - ADMA2 + * + * As this part of the Exynos4210 is not publically available, + * we used the "HS-MMC Controller S3C2416X RISC Microprocessor" + * public datasheet which is very similar (implementing + * MMC Specification Version 4.0 being the only difference noted) + */ dev = qdev_create(NULL, TYPE_SYSBUS_SDHCI); qdev_prop_set_uint64(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES); qdev_init_nofail(dev); -- 2.16.1