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2010-03-07MMC: add weak function to detect MMC/SD cardStefano Babic
Most controllers can check if there is a card in the slot. However, they require pins that could be not available because required by other functions and the detection of a card must be performed in another way. This patch adds a weak function that a board can implement to add its internal custom way to check the presence of a MMC/SD card. Signed-off-by: Stefano Babic <sbabic@denx.de>
2009-08-23include/mmc.h: Fix typo in IS_SD() macroAlbin Tonnerre
Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
2009-06-02mmc: fix response decoding on little endianRabin Vincent
The mmc code defines the response as an array of chars. However, it access the response bytes both as (i) an array of four uints (with casts) and (ii) as individual chars. The former case is used more often, including by the driver when it assigns the response. The char-wise accesses are broken on little endian systems because they assume that the bytes in the uints are in big endian byte order. This patch fixes this by changing the response to be an array of four uints and replacing the char-wise accesses with equivalent uint-wise accesses. Signed-off-by: Rabin Vincent <rabin@rab.in>
2009-02-16Add MMC FrameworkAndy Fleming
Here's a new framework (based roughly off the linux one) for managing MMC controllers. It handles all of the standard SD/MMC transactions, leaving the host drivers to implement only what is necessary to deal with their specific hardware. This also hooks the infrastructure into the PowerPC board code (similar to how the ethernet infrastructure now hooks in) Some of this code was contributed by Dave Liu <daveliu@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
2009-02-16Eliminated arch-specific mmc header requirementAndy Fleming
The current MMC infrastructure relies on the existence of an arch-specific header file. This isn't necessary, and a couple drivers were forced to implement dummy files to meet this requirement. Instead, we move the stuff in those header files into a more appropriate place, and eliminate the stubs and the #include of asm/arch/mmc.h Signed-off-by: Andy Fleming <afleming@freescale.com>
2009-02-16Convert mmc_init to mmc_legacy_initAndy Fleming
This is to get it out of the way of incoming MMC framework Signed-off-by: Andy Fleming <afleming@freescale.com>
2009-02-16Eliminate support for using MMC as memoryAndy Fleming
MMC cards are not memory, so we stop treating them that way. Signed-off-by: Andy Fleming <afleming@freescale.com>
2008-06-28MMC: Consolidate MMC/SD command definitionsHaavard Skinnemoen
This moves the MMC and SD Card command definitions from include/asm/arch/mmc.h into include/mmc.h. These definitions are given by the MMC and SD Card standards, not by any particular architecture. There's a lot more room for consolidation in the MMC drivers which I'm hoping to get done eventually, but this patch is a start. Compile-tested for all avr32 boards as well as lpc2292sodimm and lubbock. This should cover all three mmc drivers in the tree. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2003-06-15* Fix CONFIG_NET_MULTI support in include/net.hLABEL_2003_06_16_0055wdenk
* Patches by Kyle Harris, 13 Mar 2003: - Add FAT partition support - Add command support for FAT - Add command support for MMC ---- - Add Intel PXA support for video - Add Intel PXA support for MMC ---- - Enable MMC and FAT for lubbock board - Other misc changes for lubbock board