From cea655a224456d043192156fb2d44a0896194adc Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 6 Jun 2004 23:53:59 +0000
Subject: [PATCH] Add support for the second Ethernet interface for the
'PPChameleon' board.
---
CHANGELOG | 3 +
cpu/ppc4xx/405gp_enet.c | 837 ++++++++++++++++++-------------
cpu/ppc4xx/miiphy.c | 10 +-
include/405gp_enet.h | 57 ++-
include/configs/PPChameleonEVB.h | 4 +-
include/ppc405.h | 8 +-
6 files changed, 562 insertions(+), 357 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
index f8628915c06..9a92ab7a682 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
Changes since U-Boot 1.1.1:
======================================================================
+* Add support for the second Ethernet interface for the 'PPChameleon'
+ board.
+
* Patch by Dave Peverley, 30 Apr 2004:
Add support for OMAP730 Perseus2 Development board
diff --git a/cpu/ppc4xx/405gp_enet.c b/cpu/ppc4xx/405gp_enet.c
index 65036d1a0eb..da4555852ee 100644
--- a/cpu/ppc4xx/405gp_enet.c
+++ b/cpu/ppc4xx/405gp_enet.c
@@ -86,17 +86,17 @@
#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
( defined(CONFIG_440) && !defined(CONFIG_NET_MULTI))
+#if !defined(CONFIG_NET_MULTI) || !defined(CONFIG_405EP)
+/* 405GP, 440 with !CONFIG_NET_MULTI. For 440 only EMAC0 is supported */
+#define EMAC_NUM_DEV 1
+#else
+/* 440EP && CONFIG_NET_MULTI */
+#define EMAC_NUM_DEV 2
+#endif
+
#define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */
#define PHY_AUTONEGOTIATE_TIMEOUT 4000 /* 4000 ms autonegotiate timeout */
-#define NUM_TX_BUFF 1
-/* AS.HARNOIS
- * Use PKTBUFSRX (include/net.h) instead of setting NUM_RX_BUFF again
- * These both variables are used to define the same thing!
- * #define NUM_RX_BUFF 4
- */
-#define NUM_RX_BUFF PKTBUFSRX
-
/* Ethernet Transmit and Receive Buffers */
/* AS.HARNOIS
* In the same way ENET_MAX_MTU and ENET_MAX_MTU_ALIGNED are set from
@@ -105,11 +105,9 @@
#define ENET_MAX_MTU PKTSIZE
#define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN
-static char *txbuf_ptr;
-
/* define the number of channels implemented */
-#define EMAC_RXCHL 1
-#define EMAC_TXCHL 1
+#define EMAC_RXCHL EMAC_NUM_DEV
+#define EMAC_TXCHL EMAC_NUM_DEV
/*-----------------------------------------------------------------------------+
* Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal
@@ -118,92 +116,66 @@ static char *txbuf_ptr;
#define MAL_UIC_ERR ( UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)
#define MAL_UIC_DEF (UIC_MAL_RXEOB | MAL_UIC_ERR)
#define EMAC_UIC_DEF UIC_ENET
+#define EMAC_UIC_DEF1 UIC_ENET1
+#define SEL_UIC_DEF(p) (p ? UIC_ENET1 : UIC_ENET )
+
/*-----------------------------------------------------------------------------+
* Global variables. TX and RX descriptors and buffers.
*-----------------------------------------------------------------------------*/
-static volatile mal_desc_t *tx;
-static volatile mal_desc_t *rx;
-static mal_desc_t *alloc_tx_buf = NULL;
-static mal_desc_t *alloc_rx_buf = NULL;
-
/* IER globals */
-static unsigned long emac_ier;
-static unsigned long mal_ier;
-
-
-/* Statistic Areas */
-#define MAX_ERR_LOG 10
-struct emac_stats {
- int data_len_err;
- int rx_frames;
- int rx;
- int rx_prot_err;
-};
-
-static struct stats { /* Statistic Block */
- struct emac_stats emac;
- int int_err;
- short tx_err_log[MAX_ERR_LOG];
- short rx_err_log[MAX_ERR_LOG];
-} stats;
-
-static int first_init = 0;
-
-static int tx_err_index = 0; /* Transmit Error Index for tx_err_log */
-static int rx_err_index = 0; /* Receive Error Index for rx_err_log */
-
-static int rx_slot = 0; /* MAL Receive Slot */
-static int rx_i_index = 0; /* Receive Interrupt Queue Index */
-static int rx_u_index = 0; /* Receive User Queue Index */
-static int rx_ready[NUM_RX_BUFF]; /* Receive Ready Queue */
-
-static int tx_slot = 0; /* MAL Transmit Slot */
-static int tx_i_index = 0; /* Transmit Interrupt Queue Index */
-static int tx_u_index = 0; /* Transmit User Queue Index */
-static int tx_run[NUM_TX_BUFF]; /* Transmit Running Queue */
-
-#undef INFO_405_ENET
-#ifdef INFO_405_ENET
-static int packetSent = 0;
-static int packetReceived = 0;
-static int packetHandled = 0;
-#endif
-
-static char emac_hwd_addr[ENET_ADDR_LENGTH];
-
-static bd_t *bis_save = NULL; /* for eth_init upon mal error */
+static uint32_t mal_ier;
-static int is_receiving = 0; /* sync with eth interrupt */
-static int print_speed = 1; /* print speed message upon start */
+#if !defined(CONFIG_NET_MULTI)
+struct eth_device *emac0_dev;
+#endif
/*-----------------------------------------------------------------------------+
* Prototypes and externals.
*-----------------------------------------------------------------------------*/
-static void enet_rcv (unsigned long malisr);
-static int enetInt(void);
-static void mal_err (unsigned long isr, unsigned long uic, unsigned long mal_def,
- unsigned long mal_errr);
-static void emac_err (unsigned long isr);
+static void enet_rcv (struct eth_device *dev, unsigned long malisr);
+
+int enetInt (struct eth_device *dev);
+static void mal_err (struct eth_device *dev, unsigned long isr,
+ unsigned long uic, unsigned long maldef,
+ unsigned long mal_errr);
+static void emac_err (struct eth_device *dev, unsigned long isr);
+/*-----------------------------------------------------------------------------+
+| ppc_405x_eth_halt
+| Disable MAL channel, and EMACn
+|
+|
++-----------------------------------------------------------------------------*/
static void ppc_4xx_eth_halt (struct eth_device *dev)
{
- mtdcr (malier, 0x00000000); /* disable mal interrupts */
- out32 (EMAC_IER, 0x00000000); /* disable emac interrupts */
+ EMAC_405_HW_PST hw_p = dev->priv;
+ uint32_t failsafe = 10000;
- /* 1st reset MAL */
- mtdcr (malmcr, MAL_CR_MMSR);
+ mtdcr (malier, 0x00000000); /* disable mal interrupts */
+ out32 (EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */
+
+ /* 1st reset MAL channel */
+ /* Note: writing a 0 to a channel has no effect */
+ mtdcr (maltxcarr, (MAL_CR_MMSR >> (hw_p->devnum * 2)));
+ mtdcr (malrxcarr, (MAL_CR_MMSR >> hw_p->devnum));
/* wait for reset */
- while (mfdcr (malmcr) & MAL_CR_MMSR) {
- };
+ while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) {
+ udelay (1000); /* Delay 1 MS so as not to hammer the register */
+ failsafe--;
+ if (failsafe == 0)
+ break;
+
+ }
/* EMAC RESET */
- out32 (EMAC_M0, EMAC_M0_SRST);
+ out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
- print_speed = 1; /* print speed message again next time */
-}
+ hw_p->print_speed = 1; /* print speed message again next time */
+ return;
+}
static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
{
@@ -212,63 +184,108 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
unsigned long msr;
unsigned long speed;
unsigned long duplex;
+ unsigned long failsafe;
unsigned mode_reg;
+ unsigned short devnum;
unsigned short reg_short;
+ EMAC_405_HW_PST hw_p = dev->priv;
+ /* before doing anything, figure out if we have a MAC address */
+ /* if not, bail */
+ if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0)
+ return -1;
+
msr = mfmsr ();
mtmsr (msr & ~(MSR_EE)); /* disable interrupts */
+ devnum = hw_p->devnum;
+
#ifdef INFO_405_ENET
/* AS.HARNOIS
* We should have :
- * packetHandled <= packetReceived <= packetHandled+PKTBUFSRX
- * In the most cases packetHandled = packetReceived, but it
+ * hw_p->stats.pkts_handled <= hw_p->stats.pkts_rx <= hw_p->stats.pkts_handled+PKTBUFSRX
+ * In the most cases hw_p->stats.pkts_handled = hw_p->stats.pkts_rx, but it
* is possible that new packets (without relationship with
* current transfer) have got the time to arrived before
* netloop calls eth_halt
*/
- printf ("About preceeding transfer:\n"
+ printf ("About preceeding transfer (eth%d):\n"
"- Sent packet number %d\n"
"- Received packet number %d\n"
"- Handled packet number %d\n",
- packetSent, packetReceived, packetHandled);
- packetSent = 0;
- packetReceived = 0;
- packetHandled = 0;
+ hw_p->devnum,
+ hw_p->stats.pkts_tx,
+ hw_p->stats.pkts_rx, hw_p->stats.pkts_handled);
+
+ hw_p->stats.pkts_tx = 0;
+ hw_p->stats.pkts_rx = 0;
+ hw_p->stats.pkts_handled = 0;
#endif
/* MAL RESET */
- mtdcr (malmcr, MAL_CR_MMSR);
+ mtdcr (malmcr, MAL_CR_MMSR);
+ /* wait for reset */
+ while (mfdcr (malmcr) & MAL_CR_MMSR) {
+ };
+#if defined(CONFIG_440)
+ /* set RMII mode */
+ out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
+#endif /* CONFIG_440 */
+
+ /* MAL Channel RESET */
+ /* 1st reset MAL channel */
+ /* Note: writing a 0 to a channel has no effect */
+ mtdcr (maltxcarr, (MAL_TXRX_CASR >> (hw_p->devnum * 2)));
+ mtdcr (malrxcarr, (MAL_TXRX_CASR >> hw_p->devnum));
+
+ /* wait for reset */
+ /* TBS: should have udelay and failsafe here */
+ failsafe = 10000;
/* wait for reset */
- while (mfdcr (malmcr) & MAL_CR_MMSR) {
- };
+ while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) {
+ udelay (1000); /* Delay 1 MS so as not to hammer the register */
+ failsafe--;
+ if (failsafe == 0)
+ break;
- tx_err_index = 0; /* Transmit Error Index for tx_err_log */
- rx_err_index = 0; /* Receive Error Index for rx_err_log */
+ }
- rx_slot = 0; /* MAL Receive Slot */
- rx_i_index = 0; /* Receive Interrupt Queue Index */
- rx_u_index = 0; /* Receive User Queue Index */
+ hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */
+ hw_p->rx_err_index = 0; /* Receive Error Index for rx_err_log */
- tx_slot = 0; /* MAL Transmit Slot */
- tx_i_index = 0; /* Transmit Interrupt Queue Index */
- tx_u_index = 0; /* Transmit User Queue Index */
+ hw_p->rx_slot = 0; /* MAL Receive Slot */
+ hw_p->rx_i_index = 0; /* Receive Interrupt Queue Index */
+ hw_p->rx_u_index = 0; /* Receive User Queue Index */
-#if defined(CONFIG_440)
- /* set RMII mode */
- out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
-#endif /* CONFIG_440 */
+ hw_p->tx_slot = 0; /* MAL Transmit Slot */
+ hw_p->tx_i_index = 0; /* Transmit Interrupt Queue Index */
+ hw_p->tx_u_index = 0; /* Transmit User Queue Index */
- /* EMAC RESET */
- out32 (EMAC_M0, EMAC_M0_SRST);
+ __asm__ volatile ("eieio");
+ /* reset emac so we have access to the phy */
+
+ out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
+ __asm__ volatile ("eieio");
+
+ failsafe = 1000;
+ while ((in32 (EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) {
+ udelay (1000);
+ failsafe--;
+ }
+
+#if defined(CONFIG_NET_MULTI)
+ reg = hw_p->devnum ? CONFIG_PHY1_ADDR : CONFIG_PHY_ADDR;
+#else
+ reg = CONFIG_PHY_ADDR;
+#endif
/* wait for PHY to complete auto negotiation */
reg_short = 0;
#ifndef CONFIG_CS8952_PHY
- miiphy_read (CONFIG_PHY_ADDR, PHY_BMSR, ®_short);
+ miiphy_read (reg, PHY_BMSR, ®_short);
/*
- * Wait if PHY is able of autonegotiation and autonegotiation is not complete
+ * Wait if PHY is capable of autonegotiation and autonegotiation is not complete
*/
if ((reg_short & PHY_BMSR_AUTN_ABLE)
&& !(reg_short & PHY_BMSR_AUTN_COMP)) {
@@ -283,36 +300,39 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
break;
}
- if ((i++ % 1000) == 0)
+ if ((i++ % 1000) == 0) {
putc ('.');
+ }
udelay (1000); /* 1 ms */
- miiphy_read (CONFIG_PHY_ADDR, PHY_BMSR, ®_short);
+ miiphy_read (reg, PHY_BMSR, ®_short);
}
puts (" done\n");
udelay (500000); /* another 500 ms (results in faster booting) */
}
#endif
- speed = miiphy_speed (CONFIG_PHY_ADDR);
- duplex = miiphy_duplex (CONFIG_PHY_ADDR);
- if (print_speed) {
- print_speed = 0;
+ speed = miiphy_speed (reg);
+ duplex = miiphy_duplex (reg);
+
+ if (hw_p->print_speed) {
+ hw_p->print_speed = 0;
printf ("ENET Speed is %d Mbps - %s duplex connection\n",
(int) speed, (duplex == HALF) ? "HALF" : "FULL");
}
- /* set the Mal configuration reg */
#if defined(CONFIG_440)
/* Errata 1.12: MAL_1 -- Disable MAL bursting */
- if( get_pvr() == PVR_440GP_RB )
- mtdcr (malmcr, MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
+ if( get_pvr() == PVR_440GP_RB)
+ mtdcr (malmcr, MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
else
#else
mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
#endif
/* Free "old" buffers */
- if (alloc_tx_buf) free(alloc_tx_buf);
- if (alloc_rx_buf) free(alloc_rx_buf);
+ if (hw_p->alloc_tx_buf)
+ free (hw_p->alloc_tx_buf);
+ if (hw_p->alloc_rx_buf)
+ free (hw_p->alloc_rx_buf);
/*
* Malloc MAL buffer desciptors, make sure they are
@@ -320,93 +340,108 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
* (401/403/IOP480 = 16, 405 = 32)
* and doesn't cross cache block boundaries.
*/
- alloc_tx_buf = (mal_desc_t *)malloc((sizeof(mal_desc_t) * NUM_TX_BUFF) +
- ((2 * CFG_CACHELINE_SIZE) - 2));
- if (((int)alloc_tx_buf & CACHELINE_MASK) != 0) {
- tx = (mal_desc_t *)((int)alloc_tx_buf + CFG_CACHELINE_SIZE -
- ((int)alloc_tx_buf & CACHELINE_MASK));
+ hw_p->alloc_tx_buf =
+ (mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_TX_BUFF) +
+ ((2 * CFG_CACHELINE_SIZE) - 2));
+ if (((int) hw_p->alloc_tx_buf & CACHELINE_MASK) != 0) {
+ hw_p->tx =
+ (mal_desc_t *) ((int) hw_p->alloc_tx_buf +
+ CFG_CACHELINE_SIZE -
+ ((int) hw_p->
+ alloc_tx_buf & CACHELINE_MASK));
} else {
- tx = alloc_tx_buf;
+ hw_p->tx = hw_p->alloc_tx_buf;
}
- alloc_rx_buf = (mal_desc_t *)malloc((sizeof(mal_desc_t) * NUM_RX_BUFF) +
- ((2 * CFG_CACHELINE_SIZE) - 2));
- if (((int)alloc_rx_buf & CACHELINE_MASK) != 0) {
- rx = (mal_desc_t *)((int)alloc_rx_buf + CFG_CACHELINE_SIZE -
- ((int)alloc_rx_buf & CACHELINE_MASK));
+ hw_p->alloc_rx_buf =
+ (mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_RX_BUFF) +
+ ((2 * CFG_CACHELINE_SIZE) - 2));
+ if (((int) hw_p->alloc_rx_buf & CACHELINE_MASK) != 0) {
+ hw_p->rx =
+ (mal_desc_t *) ((int) hw_p->alloc_rx_buf +
+ CFG_CACHELINE_SIZE -
+ ((int) hw_p->
+ alloc_rx_buf & CACHELINE_MASK));
} else {
- rx = alloc_rx_buf;
+ hw_p->rx = hw_p->alloc_rx_buf;
}
for (i = 0; i < NUM_TX_BUFF; i++) {
- tx[i].ctrl = 0;
- tx[i].data_len = 0;
- if (first_init == 0)
- txbuf_ptr = (char *) malloc (ENET_MAX_MTU_ALIGNED);
- tx[i].data_ptr = txbuf_ptr;
+ hw_p->tx[i].ctrl = 0;
+ hw_p->tx[i].data_len = 0;
+ if (hw_p->first_init == 0)
+ hw_p->txbuf_ptr =
+ (char *) malloc (ENET_MAX_MTU_ALIGNED);
+ hw_p->tx[i].data_ptr = hw_p->txbuf_ptr;
if ((NUM_TX_BUFF - 1) == i)
- tx[i].ctrl |= MAL_TX_CTRL_WRAP;
- tx_run[i] = -1;
+ hw_p->tx[i].ctrl |= MAL_TX_CTRL_WRAP;
+ hw_p->tx_run[i] = -1;
#if 0
- printf ("TX_BUFF %d @ 0x%08lx\n", i, (ulong) tx[i].data_ptr);
+ printf ("TX_BUFF %d @ 0x%08lx\n", i,
+ (ulong) hw_p->tx[i].data_ptr);
#endif
}
for (i = 0; i < NUM_RX_BUFF; i++) {
- rx[i].ctrl = 0;
- rx[i].data_len = 0;
+ hw_p->rx[i].ctrl = 0;
+ hw_p->rx[i].data_len = 0;
/* rx[i].data_ptr = (char *) &rx_buff[i]; */
- rx[i].data_ptr = (char *) NetRxPackets[i];
+ hw_p->rx[i].data_ptr = (char *) NetRxPackets[i];
if ((NUM_RX_BUFF - 1) == i)
- rx[i].ctrl |= MAL_RX_CTRL_WRAP;
- rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR;
- rx_ready[i] = -1;
+ hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP;
+ hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR;
+ hw_p->rx_ready[i] = -1;
#if 0
printf ("RX_BUFF %d @ 0x%08lx\n", i, (ulong) rx[i].data_ptr);
#endif
}
- memcpy (emac_hwd_addr, bis->bi_enetaddr, ENET_ADDR_LENGTH);
-
reg = 0x00000000;
-
- reg |= emac_hwd_addr[0]; /* set high address */
+ reg |= dev->enetaddr[0]; /* set high address */
reg = reg << 8;
- reg |= emac_hwd_addr[1];
+ reg |= dev->enetaddr[1];
- out32 (EMAC_IAH, reg);
+ out32 (EMAC_IAH + hw_p->hw_addr, reg);
reg = 0x00000000;
- reg |= emac_hwd_addr[2]; /* set low address */
+ reg |= dev->enetaddr[2]; /* set low address */
reg = reg << 8;
- reg |= emac_hwd_addr[3];
+ reg |= dev->enetaddr[3];
reg = reg << 8;
- reg |= emac_hwd_addr[4];
+ reg |= dev->enetaddr[4];
reg = reg << 8;
- reg |= emac_hwd_addr[5];
-
- out32 (EMAC_IAL, reg);
-
- /* setup MAL tx & rx channel pointers */
- mtdcr (maltxctp0r, tx);
- mtdcr (malrxctp0r, rx);
-
- /* Reset transmit and receive channels */
- mtdcr (malrxcarr, 0x80000000); /* 2 channels */
- mtdcr (maltxcarr, 0x80000000); /* 2 channels */
+ reg |= dev->enetaddr[5];
+
+ out32 (EMAC_IAL + hw_p->hw_addr, reg);
+ switch (devnum) {
+ case 1:
+ /* setup MAL tx & rx channel pointers */
+ /* For 405EP, the EMAC1 tx channel 0 is MAL tx channel 2 */
+ mtdcr (maltxctp2r, hw_p->tx);
+ mtdcr (malrxctp1r, hw_p->rx);
+ /* set RX buffer size */
+ mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16);
+ break;
+ case 0:
+ default:
+ /* setup MAL tx & rx channel pointers */
+ mtdcr (maltxctp0r, hw_p->tx);
+ mtdcr (malrxctp0r, hw_p->rx);
+ /* set RX buffer size */
+ mtdcr (malrcbs0, ENET_MAX_MTU_ALIGNED / 16);
+ break;
+ }
/* Enable MAL transmit and receive channels */
- mtdcr (maltxcasr, 0x80000000); /* 1 channel */
- mtdcr (malrxcasr, 0x80000000); /* 1 channel */
-
- /* set RX buffer size */
- mtdcr (malrcbs0, ENET_MAX_MTU_ALIGNED / 16);
+ mtdcr (maltxcasr, (MAL_TXRX_CASR >> (hw_p->devnum * 2)));
+ mtdcr (malrxcasr, (MAL_TXRX_CASR >> hw_p->devnum));
/* set transmit enable & receive enable */
- out32 (EMAC_M0, EMAC_M0_TXE | EMAC_M0_RXE);
+ out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE);
/* set receive fifo to 4k and tx fifo to 2k */
- mode_reg = EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K;
+ mode_reg = in32 (EMAC_M1 + hw_p->hw_addr);
+ mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K;
/* set speed */
if (speed == _100BASET)
@@ -416,7 +451,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
if (duplex == FULL)
mode_reg = mode_reg | 0x80000000 | EMAC_M1_IST;
- out32 (EMAC_M1, mode_reg);
+ out32 (EMAC_M1 + hw_p->hw_addr, mode_reg);
#if defined(CONFIG_440)
/* set speed in the ZMII bridge */
@@ -427,67 +462,53 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
#endif
/* Enable broadcast and indvidual address */
- out32 (EMAC_RXM, EMAC_RMR_BAE | EMAC_RMR_IAE
- /*| EMAC_RMR_ARRP| EMAC_RMR_SFCS | EMAC_RMR_SP */ );
+ /* TBS: enabling runts as some misbehaved nics will send runts */
+ out32 (EMAC_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE);
/* we probably need to set the tx mode1 reg? maybe at tx time */
/* set transmit request threshold register */
- out32 (EMAC_TRTR, 0x18000000); /* 256 byte threshold */
+ out32 (EMAC_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */
- /* set receive low/high water mark register */
#if defined(CONFIG_440)
/* 440GP has a 64 byte burst length */
- out32 (EMAC_RX_HI_LO_WMARK, 0x80009000);
- out32 (EMAC_TXM1, 0xf8640000);
-#else /* CONFIG_440 */
+ out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000);
+ out32 (EMAC_TXM1 + hw_p->hw_addr, 0xf8640000);
+#else
/* 405s have a 16 byte burst length */
- out32 (EMAC_RX_HI_LO_WMARK, 0x0f002000);
-#endif /* CONFIG_440 */
+ out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000);
+#endif
+
/* Frame gap set */
- out32 (EMAC_I_FRAME_GAP_REG, 0x00000008);
+ out32 (EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008);
+
+ /* Set EMAC IER */
+ hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS |
+ EMAC_ISR_ORE | EMAC_ISR_IRE;
+ if (speed == _100BASET)
+ hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE;
+
+ out32 (EMAC_ISR + hw_p->hw_addr, 0xffffffff); /* clear pending interrupts */
+ out32 (EMAC_IER + hw_p->hw_addr, hw_p->emac_ier);
- if (first_init == 0) {
+ if (hw_p->first_init == 0) {
/*
* Connect interrupt service routines
*/
- irq_install_handler (VECNUM_EWU0, (interrupt_handler_t *) enetInt, NULL);
- irq_install_handler (VECNUM_MS, (interrupt_handler_t *) enetInt, NULL);
- irq_install_handler (VECNUM_MTE, (interrupt_handler_t *) enetInt, NULL);
- irq_install_handler (VECNUM_MRE, (interrupt_handler_t *) enetInt, NULL);
- irq_install_handler (VECNUM_TXDE, (interrupt_handler_t *) enetInt, NULL);
- irq_install_handler (VECNUM_RXDE, (interrupt_handler_t *) enetInt, NULL);
- irq_install_handler (VECNUM_ETH0, (interrupt_handler_t *) enetInt, NULL);
+#if !defined(CONFIG_405EP)
+ /* 405EP has one EWU interrupt */
+ irq_install_handler (VECNUM_EWU0 + (hw_p->devnum * 2),
+ (interrupt_handler_t *) enetInt, dev);
+#endif
+ irq_install_handler (VECNUM_ETH0 + (hw_p->devnum * 2),
+ (interrupt_handler_t *) enetInt, dev);
}
- /* set up interrupt handler */
- /* setup interrupt controler to take interrupts from the MAL &
- EMAC */
- mtdcr (uicsr, 0xffffffff); /* clear pending interrupts */
- mtdcr (uicer, mfdcr (uicer) | MAL_UIC_DEF | EMAC_UIC_DEF);
-
- /* set the MAL IER ??? names may change with new spec ??? */
- mal_ier = MAL_IER_DE | MAL_IER_NE | MAL_IER_TE | MAL_IER_OPBE |
- MAL_IER_PLBE;
- mtdcr (malesr, 0xffffffff); /* clear pending interrupts */
- mtdcr (maltxdeir, 0xffffffff); /* clear pending interrupts */
- mtdcr (malrxdeir, 0xffffffff); /* clear pending interrupts */
- mtdcr (malier, mal_ier);
-
- /* Set EMAC IER */
- emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS |
- EMAC_ISR_PTLE | EMAC_ISR_ORE | EMAC_ISR_IRE;
- if (speed == _100BASET)
- emac_ier = emac_ier | EMAC_ISR_SYE;
-
- out32 (EMAC_ISR, 0xffffffff); /* clear pending interrupts */
- out32 (EMAC_IER, emac_ier);
+ mtmsr (msr); /* enable interrupts again */
- mtmsr (msr); /* enable interrupts again */
-
- bis_save = bis;
- first_init = 1;
+ hw_p->bis = bis;
+ hw_p->first_init = 1;
return (1);
}
@@ -498,39 +519,43 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, int len
struct enet_frame *ef_ptr;
ulong time_start, time_now;
unsigned long temp_txm0;
+ EMAC_405_HW_PST hw_p = dev->priv;
ef_ptr = (struct enet_frame *) ptr;
/*-----------------------------------------------------------------------+
* Copy in our address into the frame.
*-----------------------------------------------------------------------*/
- (void) memcpy (ef_ptr->source_addr, emac_hwd_addr, ENET_ADDR_LENGTH);
+ (void) memcpy (ef_ptr->source_addr, dev->enetaddr, ENET_ADDR_LENGTH);
/*-----------------------------------------------------------------------+
* If frame is too long or too short, modify length.
*-----------------------------------------------------------------------*/
+ /* TBS: where does the fragment go???? */
if (len > ENET_MAX_MTU)
len = ENET_MAX_MTU;
/* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */
- memcpy ((void *) txbuf_ptr, (const void *) ptr, len);
+ memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len);
/*-----------------------------------------------------------------------+
* set TX Buffer busy, and send it
*-----------------------------------------------------------------------*/
- tx[tx_slot].ctrl = (MAL_TX_CTRL_LAST |
- EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP) &
+ hw_p->tx[hw_p->tx_slot].ctrl = (MAL_TX_CTRL_LAST |
+ EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP) &
~(EMAC_TX_CTRL_ISA | EMAC_TX_CTRL_RSA);
- if ((NUM_TX_BUFF - 1) == tx_slot)
- tx[tx_slot].ctrl |= MAL_TX_CTRL_WRAP;
+ if ((NUM_TX_BUFF - 1) == hw_p->tx_slot)
+ hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_WRAP;
+
+ hw_p->tx[hw_p->tx_slot].data_len = (short) len;
+ hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_READY;
- tx[tx_slot].data_len = (short) len;
- tx[tx_slot].ctrl |= MAL_TX_CTRL_READY;
+ __asm__ volatile ("eieio");
- __asm__ volatile ("eieio");
- out32 (EMAC_TXM0, in32 (EMAC_TXM0) | EMAC_TXM0_GNP0);
+ out32 (EMAC_TXM0 + hw_p->hw_addr,
+ in32 (EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0);
#ifdef INFO_405_ENET
- packetSent++;
+ hw_p->stats.pkts_tx++;
#endif
/*-----------------------------------------------------------------------+
@@ -538,7 +563,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, int len
*-----------------------------------------------------------------------*/
time_start = get_timer (0);
while (1) {
- temp_txm0 = in32 (EMAC_TXM0);
+ temp_txm0 = in32 (EMAC_TXM0 + hw_p->hw_addr);
/* loop until either TINT turns on or 3 seconds elapse */
if ((temp_txm0 & EMAC_TXM0_GNP0) != 0) {
/* transmit is done, so now check for errors
@@ -555,15 +580,8 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, int len
}
}
-
#if defined(CONFIG_440)
-/*-----------------------------------------------------------------------------+
-| EnetInt.
-| EnetInt is the interrupt handler. It will determine the
-| cause of the interrupt and call the apporpriate servive
-| routine.
-+-----------------------------------------------------------------------------*/
-int enetInt ()
+int enetInt (struct eth_device *dev)
{
int serviced;
int rc = -1; /* default to not us */
@@ -571,6 +589,18 @@ int enetInt ()
unsigned long emac_isr = 0;
unsigned long mal_rx_eob;
unsigned long my_uic0msr, my_uic1msr;
+ EMAC_405_HW_PST hw_p;
+
+ /*
+ * Because the mal is generic, we need to get the current
+ * eth device
+ */
+#if defined(CONFIG_NET_MULTI)
+ dev = eth_get_dev();
+#else
+ dev = emac0_dev;
+#endif
+ hw_p = dev->priv;
/* enter loop that stays in interrupt code until nothing to service */
do {
@@ -593,20 +623,20 @@ int enetInt ()
mal_isr = mfdcr (malesr);
/* look for mal error */
if (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE)) {
- mal_err (mal_isr, my_uic0msr, MAL_UIC_DEF, MAL_UIC_ERR);
+ mal_err (dev, mal_isr, my_uic0msr, MAL_UIC_DEF, MAL_UIC_ERR);
serviced = 1;
rc = 0;
}
}
if (UIC_ETH0 & my_uic1msr) { /* look for EMAC errors */
- emac_isr = in32 (EMAC_ISR);
- if ((emac_ier & emac_isr) != 0) {
- emac_err (emac_isr);
+ emac_isr = in32 (EMAC_ISR + hw_p->hw_addr);
+ if ((hw_p->emac_ier & emac_isr) != 0) {
+ emac_err (dev, emac_isr);
serviced = 1;
rc = 0;
}
}
- if ((emac_ier & emac_isr)
+ if ((hw_p->emac_ier & emac_isr)
|| (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
mtdcr (uic0sr, UIC_MRE); /* Clear */
mtdcr (uic1sr, UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
@@ -617,10 +647,10 @@ int enetInt ()
/* check for EOB on valid channels */
if (my_uic0msr & UIC_MRE) {
mal_rx_eob = mfdcr (malrxeobisr);
- if ((mal_rx_eob & 0x80000000) != 0) { /* call emac routine for channel 0 */
+ if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel 0 */
/* clear EOB
mtdcr(malrxeobisr, mal_rx_eob); */
- enet_rcv (emac_isr);
+ enet_rcv (dev, emac_isr);
/* indicate that we serviced an interrupt */
serviced = 1;
rc = 0;
@@ -632,187 +662,206 @@ int enetInt ()
return (rc);
}
+
#else /* CONFIG_440 */
-/*-----------------------------------------------------------------------------+
- * EnetInt.
- * EnetInt is the interrupt handler. It will determine the
- * cause of the interrupt and call the apporpriate servive
- * routine.
- *-----------------------------------------------------------------------------*/
-int enetInt ()
+
+int enetInt (struct eth_device *dev)
{
int serviced;
- int rc = -1; /* default to not us */
+ int rc = -1; /* default to not us */
unsigned long mal_isr;
unsigned long emac_isr = 0;
unsigned long mal_rx_eob;
unsigned long my_uicmsr;
+ EMAC_405_HW_PST hw_p;
+
+ /*
+ * Because the mal is generic, we need to get the current
+ * eth device
+ */
+#if defined(CONFIG_NET_MULTI)
+ dev = eth_get_dev();
+#else
+ dev = emac0_dev;
+#endif
+
+ hw_p = dev->priv;
+
/* enter loop that stays in interrupt code until nothing to service */
do {
serviced = 0;
my_uicmsr = mfdcr (uicmsr);
+
if ((my_uicmsr & (MAL_UIC_DEF | EMAC_UIC_DEF)) == 0) { /* not for us */
return (rc);
}
-
-
/* get and clear controller status interrupts */
/* look at Mal and EMAC interrupts */
if ((MAL_UIC_DEF & my_uicmsr) != 0) { /* we have a MAL interrupt */
mal_isr = mfdcr (malesr);
/* look for mal error */
if ((my_uicmsr & MAL_UIC_ERR) != 0) {
- mal_err (mal_isr, my_uicmsr, MAL_UIC_DEF, MAL_UIC_ERR);
+ mal_err (dev, mal_isr, my_uicmsr, MAL_UIC_DEF, MAL_UIC_ERR);
serviced = 1;
rc = 0;
}
}
- if ((EMAC_UIC_DEF & my_uicmsr) != 0) { /* look for EMAC errors */
- emac_isr = in32 (EMAC_ISR);
- if ((emac_ier & emac_isr) != 0) {
- emac_err (emac_isr);
+
+ /* port by port dispatch of emac interrupts */
+
+ if ((SEL_UIC_DEF(hw_p->devnum) & my_uicmsr) != 0) { /* look for EMAC errors */
+ emac_isr = in32 (EMAC_ISR + hw_p->hw_addr);
+ if ((hw_p->emac_ier & emac_isr) != 0) {
+ emac_err (dev, emac_isr);
serviced = 1;
rc = 0;
}
}
- if (((emac_ier & emac_isr) != 0) | ((MAL_UIC_ERR & my_uicmsr) != 0)) {
- mtdcr (uicsr, MAL_UIC_DEF | EMAC_UIC_DEF); /* Clear */
+ if (((hw_p->emac_ier & emac_isr) != 0) || ((MAL_UIC_ERR & my_uicmsr) != 0)) {
+ mtdcr (uicsr, MAL_UIC_DEF | SEL_UIC_DEF(hw_p->devnum)); /* Clear */
return (rc); /* we had errors so get out */
}
-
+ /* handle MAX TX EOB interrupt from a tx */
+ if (my_uicmsr & UIC_MAL_TXEOB) {
+ mal_rx_eob = mfdcr (maltxeobisr);
+ mtdcr (maltxeobisr, mal_rx_eob);
+ mtdcr (uicsr, UIC_MAL_TXEOB);
+ }
/* handle MAL RX EOB interupt from a receive */
- /* check for EOB on valid channels */
- if ((my_uicmsr & UIC_MAL_RXEOB) != 0) {
+ /* check for EOB on valid channels */
+ if (my_uicmsr & UIC_MAL_RXEOB)
+ {
mal_rx_eob = mfdcr (malrxeobisr);
- if ((mal_rx_eob & 0x80000000) != 0) { /* call emac routine for channel 0 */
+ if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */
/* clear EOB
- mtdcr(malrxeobisr, mal_rx_eob); */
- enet_rcv (emac_isr);
+ mtdcr(malrxeobisr, mal_rx_eob); */
+ enet_rcv (dev, emac_isr);
/* indicate that we serviced an interrupt */
serviced = 1;
rc = 0;
}
}
- mtdcr (uicsr, MAL_UIC_DEF | EMAC_UIC_DEF); /* Clear */
+ mtdcr (uicsr, MAL_UIC_DEF|EMAC_UIC_DEF|EMAC_UIC_DEF1); /* Clear */
}
while (serviced);
return (rc);
}
-#endif /* CONFIG_440 */
-
+#endif
/*-----------------------------------------------------------------------------+
* MAL Error Routine
*-----------------------------------------------------------------------------*/
-static void mal_err (unsigned long isr, unsigned long uic, unsigned long maldef,
- unsigned long mal_errr)
+static void mal_err (struct eth_device *dev, unsigned long isr,
+ unsigned long uic, unsigned long maldef,
+ unsigned long mal_errr)
{
- mtdcr (malesr, isr); /* clear interrupt */
+ EMAC_405_HW_PST hw_p = dev->priv;
+
+ mtdcr (malesr, isr); /* clear interrupt */
/* clear DE interrupt */
mtdcr (maltxdeir, 0xC0000000);
mtdcr (malrxdeir, 0x80000000);
#ifdef INFO_405_ENET
- printf ("\nMAL error occured.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx \n",
- isr, uic, maldef, mal_errr);
-#else
-#if 0
- /*
- * MAL error is RX DE error (out of rx buffers)! This is OK here, upon
- * many incoming packets with only 4 rx buffers.
- */
- printf ("M"); /* just to see something upon mal error */
-#endif
+ printf ("\nMAL error occured.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx \n", isr, uic, maldef, mal_errr);
#endif
- eth_init (bis_save); /* start again... */
+ eth_init (hw_p->bis); /* start again... */
}
/*-----------------------------------------------------------------------------+
* EMAC Error Routine
*-----------------------------------------------------------------------------*/
-static void emac_err (unsigned long isr)
+static void emac_err (struct eth_device *dev, unsigned long isr)
{
- printf ("EMAC error occured.... ISR = %lx\n", isr);
- out32 (EMAC_ISR, isr);
+ EMAC_405_HW_PST hw_p = dev->priv;
+
+ printf ("EMAC%d error occured.... ISR = %lx\n", hw_p->devnum, isr);
+ out32 (EMAC_ISR + hw_p->hw_addr, isr);
}
/*-----------------------------------------------------------------------------+
* enet_rcv() handles the ethernet receive data
*-----------------------------------------------------------------------------*/
-static void enet_rcv (unsigned long malisr)
+static void enet_rcv (struct eth_device *dev, unsigned long malisr)
{
struct enet_frame *ef_ptr;
unsigned long data_len;
unsigned long rx_eob_isr;
+ EMAC_405_HW_PST hw_p = dev->priv;
int handled = 0;
int i;
int loop_count = 0;
rx_eob_isr = mfdcr (malrxeobisr);
- if ((0x80000000 >> (EMAC_RXCHL - 1)) & rx_eob_isr) {
+ if ((0x80000000 >> hw_p->devnum) & rx_eob_isr) {
/* clear EOB */
mtdcr (malrxeobisr, rx_eob_isr);
/* EMAC RX done */
- while (1) { /* do all */
- i = rx_slot;
+ while (1) { /* do all */
+ i = hw_p->rx_slot;
- if ((MAL_RX_CTRL_EMPTY & rx[i].ctrl)
+ if ((MAL_RX_CTRL_EMPTY & hw_p->rx[i].ctrl)
|| (loop_count >= NUM_RX_BUFF))
break;
loop_count++;
- rx_slot++;
- if (NUM_RX_BUFF == rx_slot)
- rx_slot = 0;
+ hw_p->rx_slot++;
+ if (NUM_RX_BUFF == hw_p->rx_slot)
+ hw_p->rx_slot = 0;
handled++;
- data_len = (unsigned long) rx[i].data_len; /* Get len */
+ data_len = (unsigned long) hw_p->rx[i].data_len; /* Get len */
if (data_len) {
if (data_len > ENET_MAX_MTU) /* Check len */
data_len = 0;
else {
- if (EMAC_RX_ERRORS & rx[i].ctrl) { /* Check Errors */
+ if (EMAC_RX_ERRORS & hw_p->rx[i].ctrl) { /* Check Errors */
data_len = 0;
- stats.rx_err_log[rx_err_index] = rx[i].ctrl;
- rx_err_index++;
- if (rx_err_index == MAX_ERR_LOG)
- rx_err_index = 0;
- } /* emac_erros */
- } /* data_len < max mtu */
- } /* if data_len */
+ hw_p->stats.rx_err_log[hw_p->
+ rx_err_index]
+ = hw_p->rx[i].ctrl;
+ hw_p->rx_err_index++;
+ if (hw_p->rx_err_index ==
+ MAX_ERR_LOG)
+ hw_p->rx_err_index =
+ 0;
+ } /* emac_erros */
+ } /* data_len < max mtu */
+ } /* if data_len */
if (!data_len) { /* no data */
- rx[i].ctrl |= MAL_RX_CTRL_EMPTY; /* Free Recv Buffer */
+ hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY; /* Free Recv Buffer */
- stats.emac.data_len_err++; /* Error at Rx */
+ hw_p->stats.data_len_err++; /* Error at Rx */
}
/* !data_len */
/* AS.HARNOIS */
/* Check if user has already eaten buffer */
/* if not => ERROR */
- else if (rx_ready[rx_i_index] != -1) {
- if (is_receiving)
+ else if (hw_p->rx_ready[hw_p->rx_i_index] != -1) {
+ if (hw_p->is_receiving)
printf ("ERROR : Receive buffers are full!\n");
break;
} else {
- stats.emac.rx_frames++;
- stats.emac.rx += data_len;
- ef_ptr = (struct enet_frame *) rx[i].data_ptr;
+ hw_p->stats.rx_frames++;
+ hw_p->stats.rx += data_len;
+ ef_ptr = (struct enet_frame *) hw_p->rx[i].
+ data_ptr;
#ifdef INFO_405_ENET
- packetReceived++;
+ hw_p->stats.pkts_rx++;
#endif
/* AS.HARNOIS
* use ring buffer
*/
- rx_ready[rx_i_index] = i;
- rx_i_index++;
- if (NUM_RX_BUFF == rx_i_index)
- rx_i_index = 0;
+ hw_p->rx_ready[hw_p->rx_i_index] = i;
+ hw_p->rx_i_index++;
+ if (NUM_RX_BUFF == hw_p->rx_i_index)
+ hw_p->rx_i_index = 0;
/* printf("X"); /|* test-only *|/ */
@@ -820,10 +869,10 @@ static void enet_rcv (unsigned long malisr)
* free receive buffer only when
* buffer has been handled (eth_rx)
rx[i].ctrl |= MAL_RX_CTRL_EMPTY;
- */
- } /* if data_len */
- } /* while */
- } /* if EMACK_RXCHL */
+ */
+ } /* if data_len */
+ } /* while */
+ } /* if EMACK_RXCHL */
}
@@ -832,15 +881,16 @@ static int ppc_4xx_eth_rx (struct eth_device *dev)
int length;
int user_index;
unsigned long msr;
+ EMAC_405_HW_PST hw_p = dev->priv;
- is_receiving = 1; /* tell driver */
+ hw_p->is_receiving = 1; /* tell driver */
for (;;) {
/* AS.HARNOIS
* use ring buffer and
* get index from rx buffer desciptor queue
*/
- user_index = rx_ready[rx_u_index];
+ user_index = hw_p->rx_ready[hw_p->rx_u_index];
if (user_index == -1) {
length = -1;
break; /* nothing received - leave for() loop */
@@ -849,72 +899,157 @@ static int ppc_4xx_eth_rx (struct eth_device *dev)
msr = mfmsr ();
mtmsr (msr & ~(MSR_EE));
- length = rx[user_index].data_len;
+ length = hw_p->rx[user_index].data_len;
/* Pass the packet up to the protocol layers. */
/* NetReceive(NetRxPackets[rxIdx], length - 4); */
/* NetReceive(NetRxPackets[i], length); */
NetReceive (NetRxPackets[user_index], length - 4);
/* Free Recv Buffer */
- rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY;
+ hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY;
/* Free rx buffer descriptor queue */
- rx_ready[rx_u_index] = -1;
- rx_u_index++;
- if (NUM_RX_BUFF == rx_u_index)
- rx_u_index = 0;
+ hw_p->rx_ready[hw_p->rx_u_index] = -1;
+ hw_p->rx_u_index++;
+ if (NUM_RX_BUFF == hw_p->rx_u_index)
+ hw_p->rx_u_index = 0;
#ifdef INFO_405_ENET
- packetHandled++;
+ hw_p->stats.pkts_handled++;
#endif
- mtmsr (msr); /* Enable IRQ's */
+ mtmsr (msr); /* Enable IRQ's */
}
- is_receiving = 0; /* tell driver */
+ hw_p->is_receiving = 0; /* tell driver */
return length;
}
-#if defined(CONFIG_NET_MULTI)
-int ppc_4xx_eth_initialize(bd_t *bis)
+static int virgin = 0;
+int ppc_4xx_eth_initialize (bd_t * bis)
{
struct eth_device *dev;
- int eth_num = 0;
+ int eth_num = 0;
- dev = malloc (sizeof *dev);
- if (dev == NULL) {
- printf(__FUNCTION__ ": Cannot allocate eth_device\n");
- return (-1);
- }
+ EMAC_405_HW_PST hw = NULL;
- sprintf(dev->name, "ppc_4xx_eth%d", eth_num);
- dev->priv = (void *) eth_num;
- dev->init = ppc_4xx_eth_init;
- dev->halt = ppc_4xx_eth_halt;
- dev->send = ppc_4xx_eth_send;
- dev->recv = ppc_4xx_eth_rx;
+ for (eth_num = 0; eth_num < EMAC_NUM_DEV; eth_num++) {
+
+ /* Allocate device structure */
+ dev = (struct eth_device *) malloc (sizeof (*dev));
+ if (dev == NULL) {
+ printf ("ppc_405x_eth_initialize: "
+ "Cannot allocate eth_device %d\n", eth_num);
+ return (-1);
+ }
+ /* Allocate our private use data */
+ hw = (EMAC_405_HW_PST) malloc (sizeof (*hw));
+ if (hw == NULL) {
+ printf ("ppc_405x_eth_initialize: "
+ "Cannot allocate private hw data for eth_device %d",
+ eth_num);
+ free (dev);
+ return (-1);
+ }
- eth_register (dev);
+ switch (eth_num) {
+ case 0:
+ hw->hw_addr = 0;
+ memcpy (dev->enetaddr, bis->bi_enetaddr, 6);
+ break;
+#if defined(CONFIG_NET_MULTI)
+ case 1:
+ hw->hw_addr = 0x100;
+ memcpy (dev->enetaddr, bis->bi_enet1addr, 6);
+ break;
+#endif
+ default:
+ hw->hw_addr = 0;
+ memcpy (dev->enetaddr, bis->bi_enetaddr, 6);
+ break;
+ }
+
+ hw->devnum = eth_num;
+ hw->print_speed = 1;
+
+ sprintf (dev->name, "ppc_405x_eth%d", eth_num);
+ dev->priv = (void *) hw;
+ dev->init = ppc_4xx_eth_init;
+ dev->halt = ppc_4xx_eth_halt;
+ dev->send = ppc_4xx_eth_send;
+ dev->recv = ppc_4xx_eth_rx;
+
+ if (0 == virgin) {
+ /* set the MAL IER ??? names may change with new spec ??? */
+ mal_ier =
+ MAL_IER_DE | MAL_IER_NE | MAL_IER_TE |
+ MAL_IER_OPBE | MAL_IER_PLBE;
+ mtdcr (malesr, 0xffffffff); /* clear pending interrupts */
+ mtdcr (maltxdeir, 0xffffffff); /* clear pending interrupts */
+ mtdcr (malrxdeir, 0xffffffff); /* clear pending interrupts */
+ mtdcr (malier, mal_ier);
+
+#if defined(CONFIG_405EP)
+ /* 405EP has one EWU interrupt */
+ irq_install_handler (VECNUM_EWU0,
+ (interrupt_handler_t *) enetInt,
+ dev);
+#endif
+ /* install MAL interrupt handler */
+ irq_install_handler (VECNUM_MS,
+ (interrupt_handler_t *) enetInt,
+ dev);
+ irq_install_handler (VECNUM_MTE,
+ (interrupt_handler_t *) enetInt,
+ dev);
+ irq_install_handler (VECNUM_MRE,
+ (interrupt_handler_t *) enetInt,
+ dev);
+ irq_install_handler (VECNUM_TXDE,
+ (interrupt_handler_t *) enetInt,
+ dev);
+ irq_install_handler (VECNUM_RXDE,
+ (interrupt_handler_t *) enetInt,
+ dev);
+ virgin = 1;
+ }
+
+#if defined(CONFIG_NET_MULTI)
+ eth_register (dev);
+#else
+ emac0_dev = dev;
+#endif
+
+ } /* end for each supported device */
+
+ return (1);
}
-#else /* !defined(CONFIG_NET_MULTI) */
-void eth_halt (void)
-{
- ppc_4xx_eth_halt(NULL);
+
+#if !defined(CONFIG_NET_MULTI)
+void eth_halt (void) {
+ if (emac0_dev) {
+ ppc_4xx_eth_halt(emac0_dev);
+ free(emac0_dev);
+ emac0_dev = NULL;
+ }
}
int eth_init (bd_t *bis)
{
- return (ppc_4xx_eth_init(NULL, bis));
+ ppc_4xx_eth_initialize(bis);
+ return(ppc_4xx_eth_init(emac0_dev, bis));
}
+
int eth_send(volatile void *packet, int length)
{
- return (ppc_4xx_eth_send(NULL, packet, length));
+
+ return (ppc_4xx_eth_send(emac0_dev, packet, length));
}
int eth_rx(void)
{
- return (ppc_4xx_eth_rx(NULL));
+ return (ppc_4xx_eth_rx(emac0_dev));
}
-#endif /* !defined(CONFIG_NET_MULTI) */
+#endif
-#endif /* CONFIG_405GP */
+#endif /* CONFIG_405 */
diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c
index 3d343ee881d..cb9dccdc35b 100644
--- a/cpu/ppc4xx/miiphy.c
+++ b/cpu/ppc4xx/miiphy.c
@@ -48,8 +48,8 @@
#include <405_mal.h>
#include <miiphy.h>
-#if (defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined(CONFIG_440)) \
- && !defined (CONFIG_NET_MULTI)
+#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
+ (defined(CONFIG_440) && !defined(CONFIG_NET_MULTI))
/***********************************************************/
/* Dump out to the screen PHY regs */
@@ -78,6 +78,12 @@ void miiphy_dump (unsigned char addr)
/***********************************************************/
/* read a phy reg and return the value with a rc */
+/* Note: We are referencing to EMAC_STACR register */
+/* @(EMAC_BASE + 92) because of: */
+/* - 405EP has only STACR for EMAC0 pinned out */
+/* - 405GP has onle one EMAC0 */
+/* - For 440 this module gets compiled only for */
+/* !CONFIG_NET_MULTI, i.e. only EMAC0 is supported. */
/***********************************************************/
int miiphy_read (unsigned char addr, unsigned char reg,
diff --git a/include/405gp_enet.h b/include/405gp_enet.h
index 224452106ed..88ac4add91c 100644
--- a/include/405gp_enet.h
+++ b/include/405gp_enet.h
@@ -35,7 +35,8 @@
+----------------------------------------------------------------------------*/
#ifndef _enetemac_h_
#define _enetemac_h_
-
+#include <net.h>
+#include <405_mal.h>
/*-----------------------------------------------------------------------------+
| General enternet defines. 802 frames are not supported.
@@ -235,6 +236,60 @@ struct arp_entry {
/* all the errors we care about */
#define EMAC_RX_ERRORS 0x03FF
+#define NUM_RX_BUFF PKTBUFSRX
+#define NUM_TX_BUFF 1
+
+#define MAX_ERR_LOG 10
+typedef struct emac_stats_st{ /* Statistic Block */
+ int data_len_err;
+ int rx_frames;
+ int rx;
+ int rx_prot_err;
+ int int_err;
+ int pkts_tx;
+ int pkts_rx;
+ int pkts_handled;
+ short tx_err_log[MAX_ERR_LOG];
+ short rx_err_log[MAX_ERR_LOG];
+} EMAC_STATS_ST, *EMAC_STATS_PST;
+
+/* Structure containing variables used by the shared code (440gx_enet.c) */
+typedef struct emac_440gx_hw_st {
+ uint32_t hw_addr; /* EMAC offset */
+ uint32_t tah_addr; /* TAH offset */
+ uint32_t phy_id;
+ uint32_t phy_addr;
+ uint32_t original_fc;
+ uint32_t txcw;
+ uint32_t autoneg_failed;
+ uint32_t emac_ier;
+ volatile mal_desc_t *tx;
+ volatile mal_desc_t *rx;
+ bd_t *bis; /* for eth_init upon mal error */
+ mal_desc_t *alloc_tx_buf;
+ mal_desc_t *alloc_rx_buf;
+ char *txbuf_ptr;
+ uint16_t devnum;
+ int get_link_status;
+ int tbi_compatibility_en;
+ int tbi_compatibility_on;
+ int fc_send_xon;
+ int report_tx_early;
+ int first_init;
+ int tx_err_index;
+ int rx_err_index;
+ int rx_slot; /* MAL Receive Slot */
+ int rx_i_index; /* Receive Interrupt Queue Index */
+ int rx_u_index; /* Receive User Queue Index */
+ int tx_slot; /* MAL Transmit Slot */
+ int tx_i_index; /* Transmit Interrupt Queue Index */
+ int tx_u_index; /* Transmit User Queue Index */
+ int rx_ready[NUM_RX_BUFF]; /* Receive Ready Queue */
+ int tx_run[NUM_TX_BUFF]; /* Transmit Running Queue */
+ int is_receiving; /* sync with eth interrupt */
+ int print_speed; /* print speed message upon start */
+ EMAC_STATS_ST stats;
+} EMAC_405_HW_ST, *EMAC_405_HW_PST;
/*-----------------------------------------------------------------------------+
| Function prototypes for device table.
diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h
index c9e52e2a4a7..0c9b6dd7e4c 100644
--- a/include/configs/PPChameleonEVB.h
+++ b/include/configs/PPChameleonEVB.h
@@ -77,10 +77,12 @@
#undef CONFIG_EXT_PHY
+#define CONFIG_NET_MULTI 1
#define CONFIG_MII 1 /* MII PHY management */
#ifndef CONFIG_EXT_PHY
-#define CONFIG_PHY_ADDR 1 /* PHY address */
+#define CONFIG_PHY_ADDR 0 /* EMAC0 PHY address */
+#define CONFIG_PHY1_ADDR 1 /* EMAC1 PHY address */
#else
#define CONFIG_PHY_ADDR 2 /* PHY address */
#endif
diff --git a/include/ppc405.h b/include/ppc405.h
index 29e6ffd0d5f..64317b0e49d 100644
--- a/include/ppc405.h
+++ b/include/ppc405.h
@@ -132,9 +132,10 @@
#define UIC_MAL_RXEOB 0x00080000 /* MAL RXEOB */
#define UIC_MAL_TXDE 0x00040000 /* MAL TXDE */
#define UIC_MAL_RXDE 0x00020000 /* MAL RXDE */
-#define UIC_ENET 0x00010000 /* Ethernet */
+#define UIC_ENET 0x00010000 /* Ethernet0 */
+#define UIC_ENET1 0x00004000 /* Ethernet1 on 405EP */
+#define UIC_ECC_CE 0x00004000 /* ECC Correctable Error on 405GP */
#define UIC_EXT_PCI_SERR 0x00008000 /* External PCI SERR# */
-#define UIC_ECC_CE 0x00004000 /* ECC Correctable Error */
#define UIC_PCI_PM 0x00002000 /* PCI Power Management */
#define UIC_EXT0 0x00000040 /* External interrupt 0 */
#define UIC_EXT1 0x00000020 /* External interrupt 1 */
@@ -582,8 +583,11 @@
#define malrxdeir (MAL_DCR_BASE+0x13) /* RX Descr. Error Int reg */
#define maltxctp0r (MAL_DCR_BASE+0x20) /* TX 0 Channel table pointer reg */
#define maltxctp1r (MAL_DCR_BASE+0x21) /* TX 1 Channel table pointer reg */
+#define maltxctp2r (MAL_DCR_BASE+0x22) /* TX 2 Channel table pointer reg */
#define malrxctp0r (MAL_DCR_BASE+0x40) /* RX 0 Channel table pointer reg */
+#define malrxctp1r (MAL_DCR_BASE+0x41) /* RX 1 Channel table pointer reg */
#define malrcbs0 (MAL_DCR_BASE+0x60) /* RX 0 Channel buffer size reg */
+#define malrcbs1 (MAL_DCR_BASE+0x61) /* RX 1 Channel buffer size reg */
/*-----------------------------------------------------------------------------
| IIC Register Offsets
--
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