ATMEGA2560: which registers for the MMC ?

hi guys,

i got mmc_fat.h file github project (https://github.com/thseiler/embedded/tree/master/avr/2boots).
and know correct configuration atmega2560 these defines (currently it's default values atmega328):

//port & pin definitions.
//settings below recommended mega168 , mega328
#define spi_port        portb
#define spi_ddr          ddrb
#define spi_miso        pb4     //dataout of mmc
#define spi_mosi       pb3     //datain of  mmc
#define spi_clk          pb5     //clock of mmc
#define spi_ss             pb2             //ss pin of spi interface

// these define pin, port , ddr of chip select mmc...
// used defined here, in makefile
#define mmc_cs              pb2     //also change mmc_port , mmc_ddr acordingly
#define mmc_port        portb
#define mmc_ddr          ddrb

thank guys!

anthony

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