From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Sun, 29 Jan 2012 20:17:50 +0100 Subject: [U-Boot] [PATCH V4 5/7] README: Add description of SPI Flash (SF) command configuration In-Reply-To: <1327863595-1524-6-git-send-email-eric.nelson@boundarydevices.com> References: <1327863595-1524-1-git-send-email-eric.nelson@boundarydevices.com> <1327863595-1524-6-git-send-email-eric.nelson@boundarydevices.com> Message-ID: <201201292017.50529.marek.vasut@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > --- > README | 20 ++++++++++++++++++++ > 1 files changed, 20 insertions(+), 0 deletions(-) > > diff --git a/README b/README > index f6ab85c..1a98915 100644 > --- a/README > +++ b/README > @@ -800,6 +800,7 @@ The following options need to be configured: > (requires CONFIG_CMD_I2C) > CONFIG_CMD_SETGETDCR Support for DCR Register access > (4xx only) > + CONFIG_CMD_SF * Read/write/erase SPI NOR flash Why did you add the asterisk here ? > CONFIG_CMD_SHA1SUM print sha1 memory digest > (requires CONFIG_CMD_MEMORY) > CONFIG_CMD_SOURCE "source" command Support > @@ -2179,6 +2180,25 @@ The following options need to be configured: > allows to read/write in Dataflash via the standard > commands cp, md... > > +- Serial Flash support > + CONFIG_CMD_SF > + > + Defining this option enables SPI flash commands > + 'sf probe/read/write/erase/update'. > + > + Usage requires an initial 'probe' to define the serial > + flash parameters, followed by read/write/erase/update > + commands. > + > + The following defaults may be provided by the platform > + to handle the common case when only a single serial > + flash is present on the system. > + > + CONFIG_SF_DEFAULT_BUS Bus identifier > + CONFIG_SF_DEFAULT_CS Chip-select > + CONFIG_SF_DEFAULT_MODE (see include/spi.h) > + CONFIG_SF_DEFAULT_SPEED in Hz > + > - SystemACE Support: > CONFIG_SYSTEMACE