Reorganized firmware/ subdirectory (x300->usrp3, zpu->usrp2)

1 files changed, 0 insertions, 69 deletions

diff --git a/firmware/zpu/usrp2p/spif.c b/firmware/zpu/usrp2p/spif.c
deleted file mode 100644
index 60807ca4a..000000000
--- a/firmware/zpu/usrp2p/spif.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright 2007,2008,2009 Free Software Foundation, Inc.
- * Copyright 2009-2011 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/>.
- */
-
-/*
- * Code for the Flash SPI bus
- */
-
-#include "spi.h"
-#include "spi_flash.h"
-#include "memory_map.h"
-
-void
-spif_init(void) 
-{
-  /*
-   * f_sclk = f_wb / ((div + 1) * 2)
-   */
-  spif_regs->div = 1;  // 0 = Div by 2 (31.25 MHz); 1 = Div-by-4 (15.625 MHz)
-
-  // run dummy transaction to work around invalid initial clock state
-  spif_transact(SPI_TXONLY, 0, 0, 8, SPIF_PUSH_FALL | SPIF_LATCH_RISE);
-}
-
-inline void
-spif_wait(void) 
-{
-  while (spif_regs->ctrl & SPI_CTRL_GO_BSY)
-    ;
-}
-
-uint32_t
-spif_transact(bool readback_, int slave, uint32_t data, int length, uint32_t flags) 
-{
-  flags &= (SPI_CTRL_TXNEG | SPI_CTRL_RXNEG);
-  int ctrl = SPI_CTRL_ASS | (SPI_CTRL_CHAR_LEN_MASK & length) | flags;
-
-  spif_wait();
-
-  // Data we will send
-  spif_regs->txrx0 = data;
-
-  // Run it -- write once and rewrite with GO set
-  spif_regs->ctrl = ctrl;
-  // Tell it which SPI slave device to access
-  spif_regs->ss = slave & 0xff;
-  spif_regs->ctrl = ctrl | SPI_CTRL_GO_BSY;
-
-  if(readback_) {
-    spif_wait();
-    return spif_regs->txrx0;
-  }
-  else
-    return 0;
-}