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Tue, 19 Feb 2019 01:23:39 -0600 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Tue, 19 Feb 2019 01:23:38 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Tue, 19 Feb 2019 01:23:39 -0600 Received: from [172.24.190.89] (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id x1J7NXaG024750; Tue, 19 Feb 2019 01:23:34 -0600 Subject: Re: [RFC PATCH 0/5] MTD: Add Initial Hyperbus support To: David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Rob Herring References: <20190219063607.29949-1-vigneshr@ti.com> From: Vignesh R Message-ID: Date: Tue, 19 Feb 2019 12:54:34 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190219063607.29949-1-vigneshr@ti.com> Content-Language: en-US X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190218_232348_536254_F84F269A X-CRM114-Status: GOOD ( 21.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Arnd Bergmann , tudor.ambarus@microchip.com, Greg Kroah-Hartman , nsekhar@ti.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 19/02/19 12:06 PM, Vignesh R wrote: [...] > > Tested on modified TI AM654 EVM with Cypress Hyperflash S26KS512 by > creating a UBIFS partition and writing and reading files to it. > Stress tested by writing/reading 16MB flash repeatedly at different > offsets using dd commmand. > Here is the enumeration log from dmesg: https://pastebin.ubuntu.com/p/Vd5jYQT4FH/ > HyperBus specification can be found at[1] > HyperFlash datasheet can be found at[2] > TI's HBMC controller details at[3] > > [1] https://www.cypress.com/file/213356/download > [2] https://www.cypress.com/file/213346/download > [3] http://www.ti.com/lit/ug/spruid7b/spruid7b.pdf > Table 12-5741. HyperFlash Access Sequence > > Vignesh R (5): > mtd: cfi_cmdset_0002: Add support for polling status register > dt-bindings: mtd: Add binding documentation for Hyperbus memory > devices > mtd: Add support for Hyperbus memory devices > dt-bindings: mtd: Add bindings for TI's AM654 Hyperbus memory > controller > mtd: hyperbus: Add driver for TI's Hyperbus memory controller > > .../bindings/mtd/cypress,hyperbus.txt | 6 + > .../devicetree/bindings/mtd/ti,am654-hbmc.txt | 27 +++ > MAINTAINERS | 8 + > drivers/mtd/Kconfig | 2 + > drivers/mtd/Makefile | 1 + > drivers/mtd/chips/cfi_cmdset_0002.c | 50 ++++++ > drivers/mtd/hyperbus/Kconfig | 23 +++ > drivers/mtd/hyperbus/Makefile | 4 + > drivers/mtd/hyperbus/core.c | 167 ++++++++++++++++++ > drivers/mtd/hyperbus/hbmc_am654.c | 105 +++++++++++ > include/linux/mtd/cfi.h | 5 + > include/linux/mtd/hyperbus.h | 73 ++++++++ > 12 files changed, 471 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/cypress,hyperbus.txt > create mode 100644 Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt > create mode 100644 drivers/mtd/hyperbus/Kconfig > create mode 100644 drivers/mtd/hyperbus/Makefile > create mode 100644 drivers/mtd/hyperbus/core.c > create mode 100644 drivers/mtd/hyperbus/hbmc_am654.c > create mode 100644 include/linux/mtd/hyperbus.h > -- Regards Vignesh _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel