1 files changed, 0 insertions, 197 deletions
diff --git a/firmware/microblaze/usrp2/sd.c b/firmware/microblaze/usrp2/sd.c
deleted file mode 100644
index d000b28ae..000000000
--- a/firmware/microblaze/usrp2/sd.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/* -*- c -*- */
-/*
- * Copyright 2008 Ettus Research LLC
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "sd.h"
-#include "memory_map.h"
-#include "stdint.h"
-#include "stdio.h"
-
-static inline void
-sd_packarg(unsigned char *argument,unsigned int value)
-{
-  argument[3] = (unsigned char)(value >> 24);
-  argument[2] = (unsigned char)(value >> 16);
-  argument[1] = (unsigned char)(value >> 8);
-  argument[0] = (unsigned char)(value);
-}
-
-int
-sd_init(void)
-{
-  unsigned char response[5];
-  unsigned char argument[4];
-  int i,j;
-
-  for(i=0;i<4;i++)
-    argument[i] = 0;
-
-  // Set clock to less than 400 kHz to start out
-  sdspi_regs->clkdiv = 128;
-
-  // Delay at least 74 cycles
-  sd_assert_cs();
-  for(i = 0; i < 100; i++)
-    sd_send_byte(SD_IDLE);
-  sd_deassert_cs();
-  
-  // Initialization Sequence -- CMD0 CMD55 ACMD41 CMD58
-  // Put card in idle state
-  if(sd_send_command(SD_CMD0,SD_CMD0_R,response,argument)==0)
-    return 0;  // Something went wrong in command
-
-  j = 0;
-  do {
-    j++;
-    if(sd_send_command(SD_CMD55,SD_CMD55_R,response,argument)==1)
-      sd_send_command(SD_ACMD41,SD_ACMD41_R,response,argument);
-    else
-      j = SD_IDLE_WAIT_MAX;
-  }
-  while(((response[0] & SD_MSK_IDLE) == SD_MSK_IDLE) && (j < SD_IDLE_WAIT_MAX));
-
-  if(j>= SD_IDLE_WAIT_MAX)  // IDLE timeout exceeded, card asleep
-    return 0;
-  
-  // CMD58 reads the SD card capabilities
-  if(sd_send_command(SD_CMD58,SD_CMD58_R,response,argument)==0)
-    return 0;  // CMD58 FAIL
-
-  if((response[2] & SD_MSK_OCR_33) != SD_MSK_OCR_33)
-    return 0;  // Card doesn't do 3.3V
-
-  //printf("OCR = %x %x %x %x\n",response[0],response[1],response[2],response[3]);
-
-  // Set blocklen here
-  sd_packarg(argument,SD_BLOCKLEN);
-  if(sd_send_command(SD_CMD16,SD_CMD16_R,response,argument)==0)
-    return 0;    // Set Blocklen failed
-  
-  // Reset back to high speed
-  sdspi_regs->clkdiv = 4;
-  //puts("finished init\n");
-  return 1;
-}
-
-int sd_send_command(unsigned char cmd,unsigned char response_type,
-		    unsigned char *response,unsigned char *argument)
-{
-  int i;
-  char response_length;
-  unsigned char tmp;
-
-  sd_assert_cs();
-  sd_send_byte((cmd & 0x3F) | 0x40);
-  for(i=3;i>=0;i--)
-    sd_send_byte(argument[i]);
-  sd_send_byte(SD_CRC);   // Always the same
-
-  response_length = 0;
-  switch(response_type)
-    {
-    case SD_R1:
-    case SD_R1B:
-      response_length = 1;
-      break;
-    case SD_R2:
-      response_length = 2;
-      break;
-    case SD_R3:
-      response_length = 5;
-      break;
-    default:
-      break;
-    }
-
-  // Wait for a response, which will have a 0 start bit
-  i = 0;
-  do
-    {
-      tmp = sd_rcv_byte();
-      i++;
-    }
-  while(((tmp & 0x80) != 0) && i < SD_CMD_TIMEOUT);
-
-  if(i>= SD_CMD_TIMEOUT)
-    {
-      sd_deassert_cs();
-      //puts("cmd send timeout\n");
-      return 0;
-    }
-
-  for(i=response_length-1; i>=0; i--)
-    {
-      response[i] = tmp;
-      tmp = sd_rcv_byte();
-    }
-  i = 0;
-  if(response_type == SD_R1B)
-    {
-      do
-	{
-	  i++;
-	  tmp = sd_rcv_byte();
-	}
-      while(tmp != SD_IDLE);
-      sd_send_byte(SD_IDLE);
-    }
-  
-  //puts("send cmd success\n");
-  sd_deassert_cs();
-  return 1;
-}
-
-int
-sd_read_block (unsigned int blockaddr, unsigned char *buf)
-{
-  unsigned char response[5];
-  unsigned char argument[4];
-  unsigned int i = 0;
-  unsigned char tmp;
-
-  blockaddr <<= SD_BLOCKLEN_NBITS;
-  sd_packarg(argument,blockaddr);
-  if(sd_send_command(SD_CMD17,SD_CMD17_R,response,argument)==0)
-    return 0;    //Failed READ;
-  if(response[0] != 0)
-    return 0;    //Misaligned READ
-
-  sd_assert_cs();
-  i = 0;
-  do
-    {
-      tmp = sd_rcv_byte();
-      i++;
-    }
-  while((tmp == 0xFF) && (i < SD_RD_TIMEOUT));
-  if((i>= SD_RD_TIMEOUT) ||((tmp & SD_MSK_TOK_DATAERROR) == 0))
-    {
-      sd_send_byte(SD_IDLE);  // Send a dummy before quitting
-      return 0;   // Data ERROR
-    }
-  for(i=0;i<SD_BLOCKLEN;i++)
-    buf[i] = sd_rcv_byte();
-  return 1;
-
-}
-
-int
-sd_write_block(unsigned int blockaddr, const unsigned char *buf)
-{
-  // FIXME not implemented yet
-  return 0;
-}