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Commit Graph

Author	SHA1	Message	Date
Stefan Roese	ecb57f69b2	lib/crc16.c: Rename cyg_crc16() to crc16_ccitt() and add crc start value The original name of this function is unclear. This patch renames this CRC16 function to crc16_ccitt() matching its name with its implementation. To make the usage of this function more flexible, lets add the CRC start value as parameter to this function. This way it can be used by other functions requiring different start values than 0 as well. Signed-off-by: Stefan Roese <sr@denx.de> Reviewed-by: Tom Rini <trini@konsulko.com>	9 years ago
Yoshinori Sato	6f67b69b15	mmc_spi: Big-endian support Currently implement always swap for big-endian value. So doesn't work big-endian environment. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>	10 years ago
Pantelis Antoniou	93bfd61677	mmc: Split mmc struct, rework mmc initialization (v2) The way that struct mmc was implemented was a bit of a mess; configuration and internal state all jumbled up in a single structure. On top of that the way initialization is done with mmc_register leads to a lot of duplicated code in drivers. Typically the initialization got something like this in every driver. struct mmc mmc = malloc(sizeof(struct mmc)); memset(mmc, 0, sizeof(struct mmc); / fill in fields of mmc struct / / store private data pointer / mmc_register(mmc); By using the new mmc_create call one just passes an mmc config struct and an optional private data pointer like this: struct mmc = mmc_create(&cfg, priv); All in tree drivers have been updated to the new form, and expect mmc_register to go away before long. Changes since v1: Use calloc instead of manually calling memset. * Mark mmc_register as deprecated. Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>	11 years ago
Pantelis Antoniou	22cb7d334e	mmc: Convert mmc struct's name array to a pointer Using an array is pointless; even more pointless (and scary) is using sprintf to fill it without a format string. Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>	11 years ago
Pantelis Antoniou	ab769f227f	mmc: Remove ops from struct mmc and put in mmc_ops Remove the in-structure ops and put them in mmc_ops with a constant pointer to it. This makes the mmc structure smaller as well as conserving code space (in theory). All in-tree drivers are converted as well; this is done in a single patch in order to not break git bisect. Changes since V1: Fix compilation b0rked issue on omap platforms where OMAP_GPIO was not set. Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>	11 years ago
Nikita Kiryanov	d23d8d7e06	mmc: add support for write protection Add generic mmc write protection functionality. Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>	12 years ago
Marek Vasut	d6b2e5085c	mmc: Fix mmc_spi error on cmd->flags field The recent removal of the cmd->flags field caused error in the debuging code of mmc_spi. Fix this: mmc_spi.c: In function 'mmc_spi_request': mmc_spi.c:179:2: error: 'struct mmc_cmd' has no member named 'flags' Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andy Fleming <afleming@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>	13 years ago
Thierry Reding	48972d907a	mmc: Implement card detection. Check for card detect each time an MMC/SD device is initialized. If card detection is not implemented, this code behaves as before and continues assuming a card is present. If no card is detected, has_init is reset for the MMC/SD device (to force initialization next time) and an error is returned. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Jason Liu <jason.hui@linaro.org>	13 years ago
Thomas Chou	ed018b21d6	mmc_spi: generate response for send status command A "send status" command is added with the commit "mmc: checking status after commands with R1b response". But the status register returned from send status command of SPI protocol is different from that of MMC/SD protocol. We do a simple test and generate a response in stead of full bit-by-bit translation. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>	14 years ago
Thomas Chou	d52ebf1022	mmc: add generic mmc spi driver This patch supports mmc/sd card with spi interface. It is based on the generic mmc framework. It works with SDHC and supports multi blocks read/write. The crc checksum on data packet is enabled with the def, There is a subcomamnd "mmc_spi" to setup spi bus and cs at run time. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Andy Fleming <afleming@freescale.com>	14 years ago

10 Commits (33cf727b1634dbd9cd68a6ebc444a88f053822d7)