Merge branch 'emaclite' of git://git.denx.de/u-boot-microblaze
* 'emaclite' of git://git.denx.de/u-boot-microblaze: net: emaclite: Use dynamic allocation net: emaclite: Remove baseaddress from xemaclite net: emaclite: Use calloc instead of malloc net: emaclite: Remove deviceid property net: emaclite: Change driver name and add address
This commit is contained in:
Wolfgang Denk
commit
33b48657df
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@ -63,14 +63,10 @@
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/* Recv interrupt enable bit */
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#define XEL_RSR_RECV_IE_MASK 0x00000008UL
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typedef struct {
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u32 baseaddress; /* Base address for device (IPIF) */
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struct xemaclite {
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u32 nexttxbuffertouse; /* Next TX buffer to write to */
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u32 nextrxbuffertouse; /* Next RX buffer to read from */
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uchar deviceid; /* Unique ID of device - for future */
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} xemaclite;
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static xemaclite emaclite;
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};
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static u32 etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */
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@ -136,44 +132,44 @@ static void emaclite_halt(struct eth_device *dev)
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static int emaclite_init(struct eth_device *dev, bd_t *bis)
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{
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debug ("EmacLite Initialization Started\n");
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memset (&emaclite, 0, sizeof (xemaclite));
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emaclite.baseaddress = dev->iobase;
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/*
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* TX - TX_PING & TX_PONG initialization
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*/
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/* Restart PING TX */
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out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0);
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out_be32 (dev->iobase + XEL_TSR_OFFSET, 0);
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/* Copy MAC address */
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xemaclite_alignedwrite (dev->enetaddr,
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emaclite.baseaddress, ENET_ADDR_LENGTH);
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dev->iobase, ENET_ADDR_LENGTH);
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/* Set the length */
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out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH);
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out_be32 (dev->iobase + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH);
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/* Update the MAC address in the EMAC Lite */
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out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR);
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out_be32 (dev->iobase + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR);
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/* Wait for EMAC Lite to finish with the MAC address update */
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while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET) &
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XEL_TSR_PROG_MAC_ADDR) != 0) ;
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while ((in_be32 (dev->iobase + XEL_TSR_OFFSET) &
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XEL_TSR_PROG_MAC_ADDR) != 0)
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;
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#ifdef CONFIG_XILINX_EMACLITE_TX_PING_PONG
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/* The same operation with PONG TX */
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out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0);
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xemaclite_alignedwrite (dev->enetaddr, emaclite.baseaddress +
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out_be32 (dev->iobase + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0);
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xemaclite_alignedwrite(dev->enetaddr, dev->iobase +
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XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH);
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out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH);
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out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET,
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out_be32 (dev->iobase + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH);
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out_be32 (dev->iobase + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET,
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XEL_TSR_PROG_MAC_ADDR);
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while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET +
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XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) ;
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while ((in_be32 (dev->iobase + XEL_TSR_OFFSET +
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XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0)
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;
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#endif
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/*
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* RX - RX_PING & RX_PONG initialization
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*/
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/* Write out the value to flush the RX buffer */
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out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK);
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out_be32 (dev->iobase + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK);
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#ifdef CONFIG_XILINX_EMACLITE_RX_PING_PONG
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out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET,
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out_be32 (dev->iobase + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET,
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XEL_RSR_RECV_IE_MASK);
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#endif
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@ -181,22 +177,24 @@ static int emaclite_init(struct eth_device *dev, bd_t *bis)
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return 0;
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}
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static int xemaclite_txbufferavailable (xemaclite *instanceptr)
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static int xemaclite_txbufferavailable(struct eth_device *dev)
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{
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u32 reg;
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u32 txpingbusy;
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u32 txpongbusy;
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struct xemaclite *emaclite = dev->priv;
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/*
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* Read the other buffer register
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* and determine if the other buffer is available
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*/
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reg = in_be32 (instanceptr->baseaddress +
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instanceptr->nexttxbuffertouse + 0);
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reg = in_be32 (dev->iobase +
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emaclite->nexttxbuffertouse + 0);
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txpingbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) ==
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XEL_TSR_XMIT_BUSY_MASK);
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reg = in_be32 (instanceptr->baseaddress +
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(instanceptr->nexttxbuffertouse ^ XEL_TSR_OFFSET) + 0);
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reg = in_be32 (dev->iobase +
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(emaclite->nexttxbuffertouse ^ XEL_TSR_OFFSET) + 0);
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txpongbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) ==
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XEL_TSR_XMIT_BUSY_MASK);
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@ -207,13 +205,14 @@ static int emaclite_send (struct eth_device *dev, volatile void *ptr, int len)
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{
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u32 reg;
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u32 baseaddress;
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struct xemaclite *emaclite = dev->priv;
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u32 maxtry = 1000;
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if (len > ENET_MAX_MTU)
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len = ENET_MAX_MTU;
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while (!xemaclite_txbufferavailable (&emaclite) && maxtry) {
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while (!xemaclite_txbufferavailable(dev) && maxtry) {
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udelay (10);
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maxtry--;
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}
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@ -221,16 +220,16 @@ static int emaclite_send (struct eth_device *dev, volatile void *ptr, int len)
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if (!maxtry) {
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printf ("Error: Timeout waiting for ethernet TX buffer\n");
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/* Restart PING TX */
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out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0);
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out_be32 (dev->iobase + XEL_TSR_OFFSET, 0);
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#ifdef CONFIG_XILINX_EMACLITE_TX_PING_PONG
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out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET +
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out_be32 (dev->iobase + XEL_TSR_OFFSET +
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XEL_BUFFER_OFFSET, 0);
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#endif
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return -1;
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}
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/* Determine the expected TX buffer address */
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baseaddress = (emaclite.baseaddress + emaclite.nexttxbuffertouse);
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baseaddress = (dev->iobase + emaclite->nexttxbuffertouse);
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/* Determine if the expected buffer address is empty */
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reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
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@ -239,7 +238,7 @@ static int emaclite_send (struct eth_device *dev, volatile void *ptr, int len)
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& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {
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#ifdef CONFIG_XILINX_EMACLITE_TX_PING_PONG
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emaclite.nexttxbuffertouse ^= XEL_BUFFER_OFFSET;
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emaclite->nexttxbuffertouse ^= XEL_BUFFER_OFFSET;
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#endif
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debug ("Send packet from 0x%x\n", baseaddress);
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/* Write the frame to the buffer */
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@ -262,7 +261,7 @@ static int emaclite_send (struct eth_device *dev, volatile void *ptr, int len)
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if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0)
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&& ((in_be32 ((baseaddress) + XEL_TSR_OFFSET)
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& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {
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debug ("Send packet from 0x%x\n", baseaddress);
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debug("Send packet from 0x%x\n", baseaddress);
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/* Write the frame to the buffer */
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xemaclite_alignedwrite ((void *) ptr, baseaddress, len);
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out_be32 (baseaddress + XEL_TPLR_OFFSET,(len &
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@ -285,13 +284,14 @@ static int emaclite_recv(struct eth_device *dev)
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u32 length;
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u32 reg;
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u32 baseaddress;
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struct xemaclite *emaclite = dev->priv;
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baseaddress = emaclite.baseaddress + emaclite.nextrxbuffertouse;
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baseaddress = dev->iobase + emaclite->nextrxbuffertouse;
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reg = in_be32 (baseaddress + XEL_RSR_OFFSET);
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debug ("Testing data at address 0x%x\n", baseaddress);
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if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) {
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#ifdef CONFIG_XILINX_EMACLITE_RX_PING_PONG
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emaclite.nextrxbuffertouse ^= XEL_BUFFER_OFFSET;
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emaclite->nextrxbuffertouse ^= XEL_BUFFER_OFFSET;
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#endif
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} else {
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#ifndef CONFIG_XILINX_EMACLITE_RX_PING_PONG
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@ -344,16 +344,23 @@ static int emaclite_recv(struct eth_device *dev)
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int xilinx_emaclite_initialize (bd_t *bis, int base_addr)
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{
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struct eth_device *dev;
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struct xemaclite *emaclite;
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dev = malloc(sizeof(*dev));
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dev = calloc(1, sizeof(*dev));
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if (dev == NULL)
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return -1;
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memset(dev, 0, sizeof(*dev));
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sprintf(dev->name, "Xilinx_Emaclite");
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emaclite = calloc(1, sizeof(struct xemaclite));
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if (emaclite == NULL) {
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free(dev);
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return -1;
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}
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dev->priv = emaclite;
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sprintf(dev->name, "Xelite.%x", base_addr);
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dev->iobase = base_addr;
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dev->priv = 0;
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dev->init = emaclite_init;
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dev->halt = emaclite_halt;
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dev->send = emaclite_send;
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