1 files changed, 0 insertions, 232 deletions
diff --git a/arch/m68k/mach-mcfv4e/fecbd.c b/arch/m68k/mach-mcfv4e/fecbd.c
deleted file mode 100644
index a8e732b3ac..0000000000
--- a/arch/m68k/mach-mcfv4e/fecbd.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * File:    fecbd.c
- * Purpose: Provide a simple buffer management driver
- *
- * Notes:
- */
-#include <common.h>
-#include <linux/types.h>
-
-#include <mach/mcf54xx-regs.h>
-#include <proc/mcdapi/MCD_dma.h>
-#include <proc/net/net.h>
-#include <proc/fecbd.h>
-#include <proc/fec.h>
-#include <proc/dma_utils.h>
-
-#define ASSERT(x) if (!(x)) hang();
-
-/*
- * This implements a simple static buffer descriptor
- * ring for each channel and each direction
- *
- * FEC Buffer Descriptors need to be aligned to a 4-byte boundary.
- * In order to accomplish this, data is over-allocated and manually
- * aligned at runtime
- *
- * Enough space is allocated for each of the two FEC channels to have
- * NRXBD Rx BDs and NTXBD Tx BDs
- *
- */
-FECBD unaligned_bds[(2 * NRXBD) + (2 * NTXBD) + 1];
-
-/*
- * These pointers are used to reference into the chunck of data set
- * aside for buffer descriptors
- */
-FECBD *RxBD;
-FECBD *TxBD;
-
-/*
- * Macros to easier access to the BD ring
- */
-#define RxBD(ch,i)      RxBD[(ch * NRXBD) + i]
-#define TxBD(ch,i)      TxBD[(ch * NTXBD) + i]
-
-/*
- * Buffer descriptor indexes
- */
-static int iTxbd_new;
-static int iTxbd_old;
-static int iRxbd;
-
-/*
- * Initialize the FEC Buffer Descriptor ring
- * Buffer Descriptor format is defined by the MCDAPI
- *
- * Parameters:
- *  ch      FEC channel
- */
-void
-fecbd_init(uint8_t ch)
-{
-    NBUF *nbuf;
-    int i;
-
-    /*
-     * Align Buffer Descriptors to 4-byte boundary
-     */
-    RxBD = (FECBD *)(((int)unaligned_bds + 3) & 0xFFFFFFFC);
-    TxBD = (FECBD *)((int)RxBD + (sizeof(FECBD) * 2 * NRXBD));
-
-    /*
-     * Initialize the Rx Buffer Descriptor ring
-     */
-    for (i = 0; i < NRXBD; ++i)
-    {
-        /* Grab a network buffer from the free list */
-        nbuf = nbuf_alloc();
-        ASSERT(nbuf);
-
-        /* Initialize the BD */
-        RxBD(ch,i).status = RX_BD_E | RX_BD_INTERRUPT;
-        RxBD(ch,i).length = RX_BUF_SZ;
-        RxBD(ch,i).data =  nbuf->data;
-
-        /* Add the network buffer to the Rx queue */
-        nbuf_add(NBUF_RX_RING, nbuf);
-    }
-
-    /*
-     * Set the WRAP bit on the last one
-     */
-    RxBD(ch,i-1).status |= RX_BD_W;
-
-    /*
-     * Initialize the Tx Buffer Descriptor ring
-     */
-    for (i = 0; i < NTXBD; ++i)
-    {
-        TxBD(ch,i).status = TX_BD_INTERRUPT;
-        TxBD(ch,i).length = 0;
-        TxBD(ch,i).data = NULL;
-    }
-
-    /*
-     * Set the WRAP bit on the last one
-     */
-    TxBD(ch,i-1).status |= TX_BD_W;
-
-    /*
-     * Initialize the buffer descriptor indexes
-     */
-    iTxbd_new = iTxbd_old = iRxbd = 0;
-}
-
-void
-fecbd_dump(uint8_t ch)
-{
-    #ifdef CONFIG_DRIVER_NET_MCF54XX_DEBUG
-    int i;
-
-    printf("\n------------ FEC%d BDs -----------\n",ch);
-    printf("RxBD Ring\n");
-    for (i=0; i<NRXBD; i++)
-    {
-        printf("%02d: BD Addr=0x%08x, Ctrl=0x%04x, Lgth=%04d, DataPtr=0x%08x\n",
-            i, &RxBD(ch,i),
-            RxBD(ch,i).status,
-            RxBD(ch,i).length,
-            RxBD(ch,i).data);
-    }
-    printf("TxBD Ring\n");
-    for (i=0; i<NTXBD; i++)
-    {
-        printf("%02d: BD Addr=0x%08x, Ctrl=0x%04x, Lgth=%04d, DataPtr=0x%08x\n",
-            i, &TxBD(ch,i),
-            TxBD(ch,i).status,
-            TxBD(ch,i).length,
-            TxBD(ch,i).data);
-    }
-    printf("--------------------------------\n\n");
-    #endif
-}
-
-/*
- * Return the address of the first buffer descriptor in the ring.
- *
- * Parameters:
- *  ch          FEC channel
- *  direction   Rx or Tx Macro
- *
- * Return Value:
- *  The start address of the selected Buffer Descriptor ring
- */
-uint32_t
-fecbd_get_start(uint8_t ch, uint8_t direction)
-{
-    switch (direction)
-    {
-        case Rx:
-            return (uint32_t)((int)RxBD + (ch * sizeof(FECBD) * NRXBD));
-        case Tx:
-        default:
-            return (uint32_t)((int)TxBD + (ch * sizeof(FECBD) * NTXBD));
-    }
-}
-
-FECBD *
-fecbd_rx_alloc(uint8_t ch)
-{
-    int i = iRxbd;
-
-    /* Check to see if the ring of BDs is full */
-    if (RxBD(ch,i).status & RX_BD_E)
-        return NULL;
-
-    /* Increment the circular index */
-    iRxbd = (uint8_t)((iRxbd + 1) % NRXBD);
-
-    return &RxBD(ch,i);
-}
-
-/*
- * This function keeps track of the next available Tx BD in the ring
- *
- * Parameters:
- *  ch  FEC channel
- *
- * Return Value:
- *  Pointer to next available buffer descriptor.
- *  NULL if the BD ring is full
- */
-FECBD *
-fecbd_tx_alloc(uint8_t ch)
-{
-    int i = iTxbd_new;
-
-    /* Check to see if the ring of BDs is full */
-    if (TxBD(ch,i).status & TX_BD_R)
-        return NULL;
-
-    /* Increment the circular index */
-    iTxbd_new = (uint8_t)((iTxbd_new + 1) % NTXBD);
-
-    return &TxBD(ch,i);
-}
-
-/*
- * This function keeps track of the Tx BDs that have already been
- * processed by the FEC
- *
- * Parameters:
- *  ch  FEC channel
- *
- * Return Value:
- *  Pointer to the oldest buffer descriptor that has already been sent
- *  by the FEC, NULL if the BD ring is empty
- */
-FECBD *
-fecbd_tx_free(uint8_t ch)
-{
-    int i = iTxbd_old;
-
-    /* Check to see if the ring of BDs is empty */
-    if ((TxBD(ch,i).data == NULL) || (TxBD(ch,i).status & TX_BD_R))
-        return NULL;
-
-    /* Increment the circular index */
-    iTxbd_old = (uint8_t)((iTxbd_old + 1) % NTXBD);
-
-    return &TxBD(ch,i);
-}