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@@ -2,7 +2,7 @@
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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- * (C) Copyright 2007
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+ * (C) Copyright 2007 Freescale Semiconductor, Inc.
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* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
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*
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* See file CREDITS for list of people who contributed to this
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@@ -28,8 +28,7 @@
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#include <malloc.h>
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#include <asm/fec.h>
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-#include <asm/m5329.h>
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-#include <asm/immap_5329.h>
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+#include <asm/immap.h>
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#include <command.h>
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#include <config.h>
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@@ -41,17 +40,8 @@
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#undef MII_DEBUG
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/* Ethernet Transmit and Receive Buffers */
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-#define DBUF_LENGTH 1520
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-
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-#define TX_BUF_CNT 2
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-
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-/*
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- NOTE: PKT_MAXBUF_SIZE must be larger or equal to PKT_MAXBLR_SIZE,
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- see M54455 User Manual for MAX_FL of Receive Control Register for more
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- description. If PKT_MAXBUF_SIZE set to 1518, the FEC bandwidth will
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- reduce to about 20~40% of normal bandwidth. Changing PKT_MAXBLR_SIZE
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- will not make any improvement on speed
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-*/
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+#define DBUF_LENGTH 1520
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+#define TX_BUF_CNT 2
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#define PKT_MAXBUF_SIZE 1518
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#define PKT_MINBUF_SIZE 64
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#define PKT_MAXBLR_SIZE 1520
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@@ -102,12 +92,6 @@ struct fec_info_s fec_info[] = {
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#endif
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};
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-/*
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- * FEC Ethernet Tx and Rx buffer descriptors allocated at the
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- * immr->udata_bd address on Dual-Port RAM
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- * Provide for Double Buffering
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- */
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-
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int fec_send(struct eth_device *dev, volatile void *packet, int length);
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int fec_recv(struct eth_device *dev);
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int fec_init(struct eth_device *dev, bd_t * bd);
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@@ -166,15 +150,23 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length)
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* Wait for ready
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*/
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j = 0;
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+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
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+ icache_invalid();
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+#endif
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while ((info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_READY) &&
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(j < MCFFEC_TOUT_LOOP)) {
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udelay(1);
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j++;
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+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
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+ icache_invalid();
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+#endif
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}
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if (j >= MCFFEC_TOUT_LOOP) {
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printf("TX not ready\n");
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}
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-
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+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
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+ icache_invalid();
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+#endif
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info->txbd[info->txIdx].cbd_bufaddr = (uint) packet;
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info->txbd[info->txIdx].cbd_datlen = length;
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info->txbd[info->txIdx].cbd_sc |= BD_ENET_TX_RDY_LST;
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@@ -183,10 +175,16 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length)
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fecp->tdar = 0x01000000; /* Descriptor polling active */
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j = 0;
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+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
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+ icache_invalid();
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+#endif
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while ((info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_READY) &&
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(j < MCFFEC_TOUT_LOOP)) {
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udelay(1);
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j++;
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+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
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+ icache_invalid();
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+#endif
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}
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if (j >= MCFFEC_TOUT_LOOP) {
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printf("TX timeout\n");
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@@ -199,6 +197,9 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length)
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#endif
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/* return only status bits */ ;
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+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
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+ icache_invalid();
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+#endif
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rc = (info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_STATS);
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info->txIdx = (info->txIdx + 1) % TX_BUF_CNT;
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@@ -257,12 +258,6 @@ int fec_recv(struct eth_device *dev)
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return length;
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}
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-/**************************************************************
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- *
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- * FEC Ethernet Initialization Routine
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- *
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- *************************************************************/
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-
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#ifdef ET_DEBUG
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void dbgFecRegs(struct eth_device *dev)
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{
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@@ -419,7 +414,7 @@ int fec_init(struct eth_device *dev, bd_t * bd)
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struct fec_info_s *info = dev->priv;
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volatile fec_t *fecp = (fec_t *) (info->iobase);
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int i;
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- u8 *ea;
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+ u8 *ea = NULL;
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fecpin_setclear(dev, 1);
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@@ -549,7 +544,9 @@ int mcffec_initialize(bd_t * bis)
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for (i = 0; i < sizeof(fec_info) / sizeof(fec_info[0]); i++) {
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- dev = (struct eth_device *)malloc(sizeof *dev);
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+ dev =
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+ (struct eth_device *)memalign(CFG_CACHELINE_SIZE,
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+ sizeof *dev);
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if (dev == NULL)
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hang();
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@@ -565,16 +562,19 @@ int mcffec_initialize(bd_t * bis)
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/* setup Receive and Transmit buffer descriptor */
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fec_info[i].rxbd =
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- (cbd_t *) memalign(32, (PKTBUFSRX * sizeof(cbd_t) + 31));
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+ (cbd_t *) memalign(CFG_CACHELINE_SIZE,
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+ (PKTBUFSRX * sizeof(cbd_t)));
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fec_info[i].txbd =
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- (cbd_t *) memalign(32, (TX_BUF_CNT * sizeof(cbd_t) + 31));
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- fec_info[i].txbuf = (char *)memalign(32, DBUF_LENGTH + 31);
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+ (cbd_t *) memalign(CFG_CACHELINE_SIZE,
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+ (TX_BUF_CNT * sizeof(cbd_t)));
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+ fec_info[i].txbuf =
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+ (char *)memalign(CFG_CACHELINE_SIZE, DBUF_LENGTH);
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#ifdef ET_DEBUG
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printf("rxbd %x txbd %x\n",
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(int)fec_info[i].rxbd, (int)fec_info[i].txbd);
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#endif
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- fec_info[i].phy_name = (char *)malloc(32);
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+ fec_info[i].phy_name = (char *)memalign(CFG_CACHELINE_SIZE, 32);
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eth_register(dev);
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