#include <405_mal.h>
#include <miiphy.h>
#include <malloc.h>
-#include <asm/ppc4xx-intvec.h>
/*
* Only compile for platform with AMCC EMAC ethernet controller and
* Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal
* Interrupt Controller).
*-----------------------------------------------------------------------------*/
-#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 )
+#define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev) * VECNUM_ETH1_OFFS))
+
+#if defined(CONFIG_HAS_ETH3)
+#if !defined(CONFIG_440GX)
+#define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
+ UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
+#else
+/* Unfortunately 440GX spreads EMAC interrupts on multiple UIC's */
+#define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
+#define UIC_ETHxB (UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
+#endif /* !defined(CONFIG_440GX) */
+#elif defined(CONFIG_HAS_ETH2)
+#define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
+ UIC_MASK(ETH_IRQ_NUM(2)))
+#elif defined(CONFIG_HAS_ETH1)
+#define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
+#else
+#define UIC_ETHx UIC_MASK(ETH_IRQ_NUM(0))
+#endif
+
+/*
+ * Define a default version for UIC_ETHxB for non 440GX so that we can
+ * use common code for all 4xx variants
+ */
+#if !defined(UIC_ETHxB)
+#define UIC_ETHxB 0
+#endif
+
+#define UIC_MAL_SERR UIC_MASK(VECNUM_MAL_SERR)
+#define UIC_MAL_TXDE UIC_MASK(VECNUM_MAL_TXDE)
+#define UIC_MAL_RXDE UIC_MASK(VECNUM_MAL_RXDE)
+#define UIC_MAL_TXEOB UIC_MASK(VECNUM_MAL_TXEOB)
+#define UIC_MAL_RXEOB UIC_MASK(VECNUM_MAL_RXEOB)
+
+#define MAL_UIC_ERR (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)
+#define MAL_UIC_DEF (UIC_MAL_RXEOB | MAL_UIC_ERR)
+
+/*
+ * We have 3 different interrupt types:
+ * - MAL interrupts indicating successful transfer
+ * - MAL error interrupts indicating MAL related errors
+ * - EMAC interrupts indicating EMAC related errors
+ *
+ * All those interrupts can be on different UIC's, but since
+ * now at least all interrupts from one type are on the same
+ * UIC. Only exception is 440GX where the EMAC interrupts are
+ * spread over two UIC's!
+ */
+#if defined(CONFIG_440GX)
+#define UIC_BASE_MAL UIC1_DCR_BASE
+#define UIC_BASE_MAL_ERR UIC2_DCR_BASE
+#define UIC_BASE_EMAC UIC2_DCR_BASE
+#define UIC_BASE_EMAC_B UIC3_DCR_BASE
+#else
+#define UIC_BASE_MAL (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_TXEOB) * 0x10))
+#define UIC_BASE_MAL_ERR (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_SERR) * 0x10))
+#define UIC_BASE_EMAC (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
+#define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
+#endif
#undef INFO_4XX_ENET
#define BI_PHYMODE_RMII 8
#endif
#endif
+#define BI_PHYMODE_SGMII 9
#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
#define MAL_RX_CHAN_MUL 1
#endif
+/*--------------------------------------------------------------------+
+ * Fixed PHY (PHY-less) support for Ethernet Ports.
+ *--------------------------------------------------------------------*/
+
+/*
+ * Some boards do not have a PHY for each ethernet port. These ports
+ * are known as Fixed PHY (or PHY-less) ports. For such ports, set
+ * the appropriate CONFIG_PHY_ADDR equal to CONFIG_FIXED_PHY and
+ * then define CONFIG_SYS_FIXED_PHY_PORTS to define what the speed and
+ * duplex should be for these ports in the board configuration
+ * file.
+ *
+ * For Example:
+ * #define CONFIG_FIXED_PHY 0xFFFFFFFF
+ *
+ * #define CONFIG_PHY_ADDR CONFIG_FIXED_PHY
+ * #define CONFIG_PHY1_ADDR 1
+ * #define CONFIG_PHY2_ADDR CONFIG_FIXED_PHY
+ * #define CONFIG_PHY3_ADDR 3
+ *
+ * #define CONFIG_SYS_FIXED_PHY_PORT(devnum,speed,duplex) \
+ * {devnum, speed, duplex},
+ *
+ * #define CONFIG_SYS_FIXED_PHY_PORTS \
+ * CONFIG_SYS_FIXED_PHY_PORT(0,1000,FULL) \
+ * CONFIG_SYS_FIXED_PHY_PORT(2,100,HALF)
+ */
+
+#ifndef CONFIG_FIXED_PHY
+#define CONFIG_FIXED_PHY 0xFFFFFFFF /* Fixed PHY (PHY-less) */
+#endif
+
+#ifndef CONFIG_SYS_FIXED_PHY_PORTS
+#define CONFIG_SYS_FIXED_PHY_PORTS /* default is an empty array */
+#endif
+
+struct fixed_phy_port {
+ unsigned int devnum; /* ethernet port */
+ unsigned int speed; /* specified speed 10,100 or 1000 */
+ unsigned int duplex; /* specified duplex FULL or HALF */
+};
+
+static const struct fixed_phy_port fixed_phy_port[] = {
+ CONFIG_SYS_FIXED_PHY_PORTS /* defined in board configuration file */
+};
+
/*-----------------------------------------------------------------------------+
* Global variables. TX and RX descriptors and buffers.
*-----------------------------------------------------------------------------*/
-/* IER globals */
-static uint32_t mal_ier;
-
#if !defined(CONFIG_NET_MULTI)
struct eth_device *emac0_dev = NULL;
#endif
#define CONFIG_EMAC_NR_START 0
#endif
-#if defined(CONFIG_405EX) || defined(CONFIG_440EPX)
-#define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev)))
-#else
-#define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev) * 2))
-#endif
-
#define MAL_RX_DESC_SIZE 2048
#define MAL_TX_DESC_SIZE 2048
#define MAL_ALLOC_SIZE (MAL_TX_DESC_SIZE + MAL_RX_DESC_SIZE)
#if defined(CONFIG_405EX)
int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
{
- u32 gmiifer = 0;
+ u32 rgmiifer = 0;
/*
- * Right now only 2*RGMII is supported. Please extend when needed.
- * sr - 2007-09-19
+ * The 405EX(r)'s RGMII bridge can operate in one of several
+ * modes, only one of which (2 x RGMII) allows the
+ * simultaneous use of both EMACs on the 405EX.
*/
- switch (1) {
- case 1:
+
+ switch (CONFIG_EMAC_PHY_MODE) {
+
+ case EMAC_PHY_MODE_NONE:
+ /* No ports */
+ rgmiifer |= RGMII_FER_DIS << 0;
+ rgmiifer |= RGMII_FER_DIS << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
+ bis->bi_phymode[0] = BI_PHYMODE_NONE;
+ bis->bi_phymode[1] = BI_PHYMODE_NONE;
+ break;
+ case EMAC_PHY_MODE_NONE_RGMII:
+ /* 1 x RGMII port on channel 0 */
+ rgmiifer |= RGMII_FER_RGMII << 0;
+ rgmiifer |= RGMII_FER_DIS << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
+ bis->bi_phymode[0] = BI_PHYMODE_RGMII;
+ bis->bi_phymode[1] = BI_PHYMODE_NONE;
+ break;
+ case EMAC_PHY_MODE_RGMII_NONE:
+ /* 1 x RGMII port on channel 1 */
+ rgmiifer |= RGMII_FER_DIS << 0;
+ rgmiifer |= RGMII_FER_RGMII << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
+ bis->bi_phymode[0] = BI_PHYMODE_NONE;
+ bis->bi_phymode[1] = BI_PHYMODE_RGMII;
+ break;
+ case EMAC_PHY_MODE_RGMII_RGMII:
/* 2 x RGMII ports */
- out_be32((void *)RGMII_FER, 0x00000055);
+ rgmiifer |= RGMII_FER_RGMII << 0;
+ rgmiifer |= RGMII_FER_RGMII << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
bis->bi_phymode[0] = BI_PHYMODE_RGMII;
bis->bi_phymode[1] = BI_PHYMODE_RGMII;
break;
- case 2:
- /* 2 x SMII ports */
+ case EMAC_PHY_MODE_NONE_GMII:
+ /* 1 x GMII port on channel 0 */
+ rgmiifer |= RGMII_FER_GMII << 0;
+ rgmiifer |= RGMII_FER_DIS << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
+ bis->bi_phymode[0] = BI_PHYMODE_GMII;
+ bis->bi_phymode[1] = BI_PHYMODE_NONE;
+ break;
+ case EMAC_PHY_MODE_NONE_MII:
+ /* 1 x MII port on channel 0 */
+ rgmiifer |= RGMII_FER_MII << 0;
+ rgmiifer |= RGMII_FER_DIS << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
+ bis->bi_phymode[0] = BI_PHYMODE_MII;
+ bis->bi_phymode[1] = BI_PHYMODE_NONE;
+ break;
+ case EMAC_PHY_MODE_GMII_NONE:
+ /* 1 x GMII port on channel 1 */
+ rgmiifer |= RGMII_FER_DIS << 0;
+ rgmiifer |= RGMII_FER_GMII << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
+ bis->bi_phymode[0] = BI_PHYMODE_NONE;
+ bis->bi_phymode[1] = BI_PHYMODE_GMII;
+ break;
+ case EMAC_PHY_MODE_MII_NONE:
+ /* 1 x MII port on channel 1 */
+ rgmiifer |= RGMII_FER_DIS << 0;
+ rgmiifer |= RGMII_FER_MII << 4;
+ out_be32((void *)RGMII_FER, rgmiifer);
+ bis->bi_phymode[0] = BI_PHYMODE_NONE;
+ bis->bi_phymode[1] = BI_PHYMODE_MII;
break;
default:
break;
}
/* Ensure we setup mdio for this devnum and ONLY this devnum */
- gmiifer = in_be32((void *)RGMII_FER);
- gmiifer |= (1 << (19-devnum));
- out_be32((void *)RGMII_FER, gmiifer);
+ rgmiifer = in_be32((void *)RGMII_FER);
+ rgmiifer |= (1 << (19-devnum));
+ out_be32((void *)RGMII_FER, rgmiifer);
return ((int)0x0);
}
#if defined(CONFIG_460EX)
mode = 9;
+ mfsdr(SDR0_ETH_CFG, eth_cfg);
+ if (((eth_cfg & SDR0_ETH_CFG_SGMII0_ENABLE) > 0) &&
+ ((eth_cfg & SDR0_ETH_CFG_SGMII1_ENABLE) > 0))
+ mode = 11; /* config SGMII */
#else
mode = 10;
+ mfsdr(SDR0_ETH_CFG, eth_cfg);
+ if (((eth_cfg & SDR0_ETH_CFG_SGMII0_ENABLE) > 0) &&
+ ((eth_cfg & SDR0_ETH_CFG_SGMII1_ENABLE) > 0) &&
+ ((eth_cfg & SDR0_ETH_CFG_SGMII2_ENABLE) > 0))
+ mode = 12; /* config SGMII */
#endif
/* TODO:
/*
* Right now only 2*RGMII is supported. Please extend when needed.
* sr - 2008-02-19
+ * Add SGMII support.
+ * vg - 2008-07-28
*/
switch (mode) {
case 1:
bis->bi_phymode[2] = BI_PHYMODE_RGMII;
bis->bi_phymode[3] = BI_PHYMODE_RGMII;
break;
+ case 11:
+ /* 2 SGMII - 460EX */
+ bis->bi_phymode[0] = BI_PHYMODE_SGMII;
+ bis->bi_phymode[1] = BI_PHYMODE_SGMII;
+ bis->bi_phymode[2] = BI_PHYMODE_NONE;
+ bis->bi_phymode[3] = BI_PHYMODE_NONE;
+ break;
+ case 12:
+ /* 3 SGMII - 460GT */
+ bis->bi_phymode[0] = BI_PHYMODE_SGMII;
+ bis->bi_phymode[1] = BI_PHYMODE_SGMII;
+ bis->bi_phymode[2] = BI_PHYMODE_SGMII;
+ bis->bi_phymode[3] = BI_PHYMODE_NONE;
+ break;
default:
break;
}
out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg);
#endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */
+#if defined(CONFIG_GPCS_PHY_ADDR) || defined(CONFIG_GPCS_PHY1_ADDR) || \
+ defined(CONFIG_GPCS_PHY2_ADDR) || defined(CONFIG_GPCS_PHY3_ADDR)
+ if (bis->bi_phymode[devnum] == BI_PHYMODE_SGMII) {
+ /*
+ * In SGMII mode, GPCS access is needed for
+ * communication with the internal SGMII SerDes.
+ */
+ switch (devnum) {
+#if defined(CONFIG_GPCS_PHY_ADDR)
+ case 0:
+ reg = CONFIG_GPCS_PHY_ADDR;
+ break;
+#endif
+#if defined(CONFIG_GPCS_PHY1_ADDR)
+ case 1:
+ reg = CONFIG_GPCS_PHY1_ADDR;
+ break;
+#endif
+#if defined(CONFIG_GPCS_PHY2_ADDR)
+ case 2:
+ reg = CONFIG_GPCS_PHY2_ADDR;
+ break;
+#endif
+#if defined(CONFIG_GPCS_PHY3_ADDR)
+ case 3:
+ reg = CONFIG_GPCS_PHY3_ADDR;
+ break;
+#endif
+ }
+
+ mode_reg = in_be32((void *)EMAC_M1 + hw_p->hw_addr);
+ mode_reg |= EMAC_M1_MF_1000GPCS | EMAC_M1_IPPA_SET(reg);
+ out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg);
+
+ /* Configure GPCS interface to recommended setting for SGMII */
+ miiphy_reset(dev->name, reg);
+ miiphy_write(dev->name, reg, 0x04, 0x8120); /* AsymPause, FDX */
+ miiphy_write(dev->name, reg, 0x07, 0x2801); /* msg_pg, toggle */
+ miiphy_write(dev->name, reg, 0x00, 0x0140); /* 1Gbps, FDX */
+ }
+#endif /* defined(CONFIG_GPCS_PHY_ADDR) */
+
/* wait for PHY to complete auto negotiation */
reg_short = 0;
-#ifndef CONFIG_CS8952_PHY
switch (devnum) {
case 0:
reg = CONFIG_PHY_ADDR;
bis->bi_phynum[devnum] = reg;
+ if (reg == CONFIG_FIXED_PHY)
+ goto get_speed;
+
#if defined(CONFIG_PHY_RESET)
/*
* Reset the phy, only if its the first time through
miiphy_write (dev->name, reg, 0x09, 0x0e00);
miiphy_write (dev->name, reg, 0x04, 0x01e1);
#endif
+#if defined(CONFIG_M88E1112_PHY)
+ if (bis->bi_phymode[devnum] == BI_PHYMODE_SGMII) {
+ /*
+ * Marvell 88E1112 PHY needs to have the SGMII MAC
+ * interace (page 2) properly configured to
+ * communicate with the 460EX/GT GPCS interface.
+ */
+
+ /* Set access to Page 2 */
+ miiphy_write(dev->name, reg, 0x16, 0x0002);
+
+ miiphy_write(dev->name, reg, 0x00, 0x0040); /* 1Gbps */
+ miiphy_read(dev->name, reg, 0x1a, ®_short);
+ reg_short |= 0x8000; /* bypass Auto-Negotiation */
+ miiphy_write(dev->name, reg, 0x1a, reg_short);
+ miiphy_reset(dev->name, reg); /* reset MAC interface */
+
+ /* Reset access to Page 0 */
+ miiphy_write(dev->name, reg, 0x16, 0x0000);
+ }
+#endif /* defined(CONFIG_M88E1112_PHY) */
miiphy_reset (dev->name, reg);
#if defined(CONFIG_440GX) || \
miiphy_write (dev->name, reg, 0x1f, 0x0000);
/* end Vitesse/Cicada errata */
}
-#endif
+#endif /* defined(CONFIG_CIS8201_PHY) */
#if defined(CONFIG_ET1011C_PHY)
/*
miiphy_write(dev->name, reg, 0x1c, 0x74f0);
}
-#endif
+#endif /* defined(CONFIG_ET1011C_PHY) */
-#endif
+#endif /* defined(CONFIG_440GX) ... */
/* Start/Restart autonegotiation */
phy_setup_aneg (dev->name, reg);
udelay (1000);
}
udelay (1000); /* 1 ms */
miiphy_read (dev->name, reg, PHY_BMSR, ®_short);
-
}
puts (" done\n");
udelay (500000); /* another 500 ms (results in faster booting) */
}
-#endif /* #ifndef CONFIG_CS8952_PHY */
- speed = miiphy_speed (dev->name, reg);
- duplex = miiphy_duplex (dev->name, reg);
+get_speed:
+ if (reg == CONFIG_FIXED_PHY) {
+ for (i = 0; i < ARRAY_SIZE(fixed_phy_port); i++) {
+ if (devnum == fixed_phy_port[i].devnum) {
+ speed = fixed_phy_port[i].speed;
+ duplex = fixed_phy_port[i].duplex;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(fixed_phy_port)) {
+ printf("ERROR: PHY (%s) not configured correctly!\n",
+ dev->name);
+ return -1;
+ }
+ } else {
+ speed = miiphy_speed(dev->name, reg);
+ duplex = miiphy_duplex(dev->name, reg);
+ }
if (hw_p->print_speed) {
hw_p->print_speed = 0;
#ifdef CONFIG_4xx_DCACHE
flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE);
if (!last_used_ea)
-#if defined(CFG_MEM_TOP_HIDE)
- bd_uncached = bis->bi_memsize + CFG_MEM_TOP_HIDE;
+#if defined(CONFIG_SYS_MEM_TOP_HIDE)
+ bd_uncached = bis->bi_memsize + CONFIG_SYS_MEM_TOP_HIDE;
#else
bd_uncached = bis->bi_memsize;
#endif
}
}
-
-#if defined (CONFIG_440) || defined(CONFIG_405EX)
-
-#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
-/*
- * Hack: On 440SP all enet irq sources are located on UIC1
- * Needs some cleanup. --sr
- */
-#define UIC0MSR uic1msr
-#define UIC0SR uic1sr
-#define UIC1MSR uic1msr
-#define UIC1SR uic1sr
-#elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
-/*
- * Hack: On 460EX/GT all enet irq sources are located on UIC2
- * Needs some cleanup. --ag
- */
-#define UIC0MSR uic2msr
-#define UIC0SR uic2sr
-#define UIC1MSR uic2msr
-#define UIC1SR uic2sr
-#else
-#define UIC0MSR uic0msr
-#define UIC0SR uic0sr
-#define UIC1MSR uic1msr
-#define UIC1SR uic1sr
-#endif
-
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
- defined(CONFIG_405EX)
-#define UICMSR_ETHX uic0msr
-#define UICSR_ETHX uic0sr
-#elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
-#define UICMSR_ETHX uic2msr
-#define UICSR_ETHX uic2sr
-#else
-#define UICMSR_ETHX uic1msr
-#define UICSR_ETHX uic1sr
-#endif
-
int enetInt (struct eth_device *dev)
{
int serviced;
int rc = -1; /* default to not us */
- unsigned long mal_isr;
- unsigned long emac_isr = 0;
- unsigned long mal_rx_eob;
- unsigned long my_uic0msr, my_uic1msr;
- unsigned long my_uicmsr_ethx;
-
-#if defined(CONFIG_440GX)
- unsigned long my_uic2msr;
-#endif
+ u32 mal_isr;
+ u32 emac_isr = 0;
+ u32 mal_eob;
+ u32 uic_mal;
+ u32 uic_mal_err;
+ u32 uic_emac;
+ u32 uic_emac_b;
EMAC_4XX_HW_PST hw_p;
/*
do {
serviced = 0;
- my_uic0msr = mfdcr (UIC0MSR);
- my_uic1msr = mfdcr (UIC1MSR);
-#if defined(CONFIG_440GX)
- my_uic2msr = mfdcr (uic2msr);
-#endif
- my_uicmsr_ethx = mfdcr (UICMSR_ETHX);
+ uic_mal = mfdcr(UIC_BASE_MAL + UIC_MSR);
+ uic_mal_err = mfdcr(UIC_BASE_MAL_ERR + UIC_MSR);
+ uic_emac = mfdcr(UIC_BASE_EMAC + UIC_MSR);
+ uic_emac_b = mfdcr(UIC_BASE_EMAC_B + UIC_MSR);
- if (!(my_uic0msr & (UIC_MRE | UIC_MTE))
- && !(my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))
- && !(my_uicmsr_ethx & (UIC_ETH0 | UIC_ETH1))) {
- /* not for us */
- return (rc);
- }
-#if defined (CONFIG_440GX)
- if (!(my_uic0msr & (UIC_MRE | UIC_MTE))
- && !(my_uic2msr & (UIC_ETH2 | UIC_ETH3))) {
+ if (!(uic_mal & (UIC_MAL_RXEOB | UIC_MAL_TXEOB))
+ && !(uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE))
+ && !(uic_emac & UIC_ETHx) && !(uic_emac_b & UIC_ETHxB)) {
/* not for us */
return (rc);
}
-#endif
+
/* get and clear controller status interrupts */
- /* look at Mal and EMAC interrupts */
- if ((my_uic0msr & (UIC_MRE | UIC_MTE))
- || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
- /* we have a MAL interrupt */
- mal_isr = mfdcr (malesr);
- /* look for mal error */
- if (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE)) {
- mal_err (dev, mal_isr, my_uic1msr, MAL_UIC_DEF, MAL_UIC_ERR);
- serviced = 1;
- rc = 0;
- }
- }
+ /* look at MAL and EMAC error interrupts */
+ if (uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)) {
+ /* we have a MAL error interrupt */
+ mal_isr = mfdcr(malesr);
+ mal_err(dev, mal_isr, uic_mal_err,
+ MAL_UIC_DEF, MAL_UIC_ERR);
- /* port by port dispatch of emac interrupts */
- if (hw_p->devnum == 0) {
- if (UIC_ETH0 & my_uicmsr_ethx) { /* look for EMAC errors */
- emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
- if ((hw_p->emac_ier & emac_isr) != 0) {
- emac_err (dev, emac_isr);
- serviced = 1;
- rc = 0;
- }
- }
- if ((hw_p->emac_ier & emac_isr)
- || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
- mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */
- mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
- mtdcr (UICSR_ETHX, UIC_ETH0); /* Clear */
- return (rc); /* we had errors so get out */
- }
- }
+ /* clear MAL error interrupt status bits */
+ mtdcr(UIC_BASE_MAL_ERR + UIC_SR,
+ UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE);
-#if !defined(CONFIG_440SP)
- if (hw_p->devnum == 1) {
- if (UIC_ETH1 & my_uicmsr_ethx) { /* look for EMAC errors */
- emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
- if ((hw_p->emac_ier & emac_isr) != 0) {
- emac_err (dev, emac_isr);
- serviced = 1;
- rc = 0;
- }
- }
- if ((hw_p->emac_ier & emac_isr)
- || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
- mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */
- mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
- mtdcr (UICSR_ETHX, UIC_ETH1); /* Clear */
- return (rc); /* we had errors so get out */
- }
- }
-#if defined (CONFIG_440GX)
- if (hw_p->devnum == 2) {
- if (UIC_ETH2 & my_uic2msr) { /* look for EMAC errors */
- emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
- if ((hw_p->emac_ier & emac_isr) != 0) {
- emac_err (dev, emac_isr);
- serviced = 1;
- rc = 0;
- }
- }
- if ((hw_p->emac_ier & emac_isr)
- || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
- mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */
- mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
- mtdcr (uic2sr, UIC_ETH2);
- return (rc); /* we had errors so get out */
- }
+ return -1;
}
- if (hw_p->devnum == 3) {
- if (UIC_ETH3 & my_uic2msr) { /* look for EMAC errors */
- emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
- if ((hw_p->emac_ier & emac_isr) != 0) {
- emac_err (dev, emac_isr);
- serviced = 1;
- rc = 0;
- }
- }
- if ((hw_p->emac_ier & emac_isr)
- || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
- mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */
- mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
- mtdcr (uic2sr, UIC_ETH3);
- return (rc); /* we had errors so get out */
- }
- }
-#endif /* CONFIG_440GX */
-#endif /* !CONFIG_440SP */
+ /* look for EMAC errors */
+ if ((uic_emac & UIC_ETHx) || (uic_emac_b & UIC_ETHxB)) {
+ emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
+ emac_err(dev, emac_isr);
- /* handle MAX TX EOB interrupt from a tx */
- if (my_uic0msr & UIC_MTE) {
- mal_rx_eob = mfdcr (maltxeobisr);
- mtdcr (maltxeobisr, mal_rx_eob);
- mtdcr (UIC0SR, UIC_MTE);
- }
- /* handle MAL RX EOB interupt from a receive */
- /* check for EOB on valid channels */
- if (my_uic0msr & UIC_MRE) {
- mal_rx_eob = mfdcr (malrxeobisr);
- if ((mal_rx_eob &
- (0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL)))
- != 0) { /* call emac routine for channel x */
- /* clear EOB
- mtdcr(malrxeobisr, mal_rx_eob); */
- enet_rcv (dev, emac_isr);
- /* indicate that we serviced an interrupt */
- serviced = 1;
- rc = 0;
- }
- }
+ /* clear EMAC error interrupt status bits */
+ mtdcr(UIC_BASE_EMAC + UIC_SR, UIC_ETHx);
+ mtdcr(UIC_BASE_EMAC_B + UIC_SR, UIC_ETHxB);
- mtdcr (UIC0SR, UIC_MRE); /* Clear */
- mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
- switch (hw_p->devnum) {
- case 0:
- mtdcr (UICSR_ETHX, UIC_ETH0);
- break;
- case 1:
- mtdcr (UICSR_ETHX, UIC_ETH1);
- break;
-#if defined (CONFIG_440GX)
- case 2:
- mtdcr (uic2sr, UIC_ETH2);
- break;
- case 3:
- mtdcr (uic2sr, UIC_ETH3);
- break;
-#endif /* CONFIG_440GX */
- default:
- break;
+ return -1;
}
- } while (serviced);
-
- return (rc);
-}
-
-#else /* CONFIG_440 */
-
-int enetInt (struct eth_device *dev)
-{
- int serviced;
- 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_4XX_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 (dev, mal_isr, my_uicmsr, MAL_UIC_DEF, MAL_UIC_ERR);
- serviced = 1;
- rc = 0;
- }
+ /* handle MAX TX EOB interrupt from a tx */
+ if (uic_mal & UIC_MAL_TXEOB) {
+ /* clear MAL interrupt status bits */
+ mal_eob = mfdcr(maltxeobisr);
+ mtdcr(maltxeobisr, mal_eob);
+ mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_TXEOB);
+
+ /* indicate that we serviced an interrupt */
+ serviced = 1;
+ rc = 0;
}
- /* port by port dispatch of emac interrupts */
+ /* handle MAL RX EOB interupt from a receive */
+ /* check for EOB on valid channels */
+ if (uic_mal & UIC_MAL_RXEOB) {
+ mal_eob = mfdcr(malrxeobisr);
+ if (mal_eob &
+ (0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL))) {
+ /* push packet to upper layer */
+ enet_rcv(dev, emac_isr);
- if ((SEL_UIC_DEF(hw_p->devnum) & my_uicmsr) != 0) { /* look for EMAC errors */
- emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
- if ((hw_p->emac_ier & emac_isr) != 0) {
- emac_err (dev, emac_isr);
- serviced = 1;
- rc = 0;
- }
- }
- 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 */
- }
+ /* clear MAL interrupt status bits */
+ mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_RXEOB);
- /* 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)
- {
- mal_rx_eob = mfdcr (malrxeobisr);
- if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */
- /* clear EOB
- 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|EMAC_UIC_DEF1); /* Clear */
-#if defined(CONFIG_405EZ)
- mtsdr (sdricintstat, SDR_ICRX_STAT | SDR_ICTX0_STAT | SDR_ICTX1_STAT);
-#endif /* defined(CONFIG_405EZ) */
- }
- while (serviced);
+ } while (serviced);
return (rc);
}
-#endif /* CONFIG_440 */
-
/*-----------------------------------------------------------------------------+
* MAL Error Routine
*-----------------------------------------------------------------------------*/
EMAC_4XX_HW_PST hw = NULL;
u8 ethaddr[4 + CONFIG_EMAC_NR_START][6];
u32 hw_addr[4];
+ u32 mal_ier;
#if defined(CONFIG_440GX)
unsigned long pfc1;
mtdcr (malier, mal_ier);
/* install MAL interrupt handler */
- irq_install_handler (VECNUM_MS,
+ irq_install_handler (VECNUM_MAL_SERR,
(interrupt_handler_t *) enetInt,
dev);
- irq_install_handler (VECNUM_MTE,
+ irq_install_handler (VECNUM_MAL_TXEOB,
(interrupt_handler_t *) enetInt,
dev);
- irq_install_handler (VECNUM_MRE,
+ irq_install_handler (VECNUM_MAL_RXEOB,
(interrupt_handler_t *) enetInt,
dev);
- irq_install_handler (VECNUM_TXDE,
+ irq_install_handler (VECNUM_MAL_TXDE,
(interrupt_handler_t *) enetInt,
dev);
- irq_install_handler (VECNUM_RXDE,
+ irq_install_handler (VECNUM_MAL_RXDE,
(interrupt_handler_t *) enetInt,
dev);
virgin = 1;