Subversion Repositories sdcard_mass_storage_controller

//Read the documentation before changing values
 
`define BIG_ENDIAN
//`define LITLE_ENDIAN
 
`define SIM
//`define SYN
 
`define SDC_IRQ_ENABLE
 
`define ACTEL
 
//`define CUSTOM
//`define ALTERA
//`define XLINX
//`define SIMULATOR
 
`define RESEND_MAX_CNT 3
 
//MAX 255 BD
//BD size/4 
 
`ifdef ACTEL
	`define BD_WIDTH 5
	`define BD_SIZE 32      
	`define RAM_MEM_WIDTH_16
	`define RAM_MEM_WIDTH 16
 
`endif
 
//`ifdef CUSTOM
 //  `define NR_O_BD_4 
//   `define BD_WIDTH 5
//   `define BD_SIZE 32      
//   `define RAM_MEM_WIDTH_32
//   `define RAM_MEM_WIDTH 32
//`endif
 
 
 
`ifdef SYN
  `define RESET_CLK_DIV 0
  `define MEM_OFFSET 4
`endif
 
`ifdef SIM
  `define RESET_CLK_DIV 0
  `define MEM_OFFSET 4
`endif
 
//SD-Clock Defines ---------
//Use bus clock or a seperate clock
`define SDC_CLK_BUS_CLK
//`define SDC_CLK_SEP
 
// Use of internal clock divider
//`define SDC_CLK_STATIC
`define SDC_CLK_DYNAMIC
 
 
//SD DATA-transfer defines---
`define BLOCK_SIZE 512
`define SD_BUS_WIDTH_4
`define SD_BUS_W 4
 
//at 512 bytes per block, equal 1024 4 bytes writings with a bus width of 4, add 2 for startbit and Z bit.
//Add 18 for crc, endbit and z.
`define BIT_BLOCK 1044
`define CRC_OFF 19
`define BIT_BLOCK_REC 1024
`define BIT_CRC_CYCLE 16
 
 
//FIFO defines---------------
`define FIFO_RX_MEM_DEPTH 8
`define FIFO_RX_MEM_ADR_SIZE 4
 
`define FIFO_TX_MEM_DEPTH 8
`define FIFO_TX_MEM_ADR_SIZE 4
//---------------------------