diff options
Diffstat (limited to 'drivers/net/fec.c')
| -rw-r--r-- | drivers/net/fec.c | 478 |
1 files changed, 248 insertions, 230 deletions
diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 2c7008491378..85504fb900da 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -8,7 +8,7 @@ * describes connections using the internal parallel port I/O, which * is basically all of Port D. * - * Right now, I am very watseful with the buffers. I allocate memory + * Right now, I am very wasteful with the buffers. I allocate memory * pages and then divide them into 2K frame buffers. This way I know I * have buffers large enough to hold one frame within one buffer descriptor. * Once I get this working, I will use 64 or 128 byte CPM buffers, which @@ -19,7 +19,10 @@ * Copyright (c) 2000 Ericsson Radio Systems AB. * * Support for FEC controller of ColdFire/5270/5271/5272/5274/5275/5280/5282. - * Copyrught (c) 2001-2004 Greg Ungerer (gerg@snapgear.com) + * Copyright (c) 2001-2004 Greg Ungerer (gerg@snapgear.com) + * + * Bug fixes and cleanup by Philippe De Muyter (phdm@macqel.be) + * Copyright (c) 2004-2005 Macq Electronique SA. */ #include <linux/config.h> @@ -46,7 +49,8 @@ #include <asm/io.h> #include <asm/pgtable.h> -#if defined(CONFIG_M527x) || defined(CONFIG_M5272) || defined(CONFIG_M528x) +#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || \ + defined(CONFIG_M5272) || defined(CONFIG_M528x) #include <asm/coldfire.h> #include <asm/mcfsim.h> #include "fec.h" @@ -71,7 +75,7 @@ static unsigned int fec_hw[] = { #elif defined(CONFIG_M527x) (MCF_MBAR + 0x1000), (MCF_MBAR + 0x1800), -#elif defined(CONFIG_M528x) +#elif defined(CONFIG_M523x) || defined(CONFIG_M528x) (MCF_MBAR + 0x1000), #else &(((immap_t *)IMAP_ADDR)->im_cpm.cp_fec), @@ -94,12 +98,14 @@ static unsigned char fec_mac_default[] = { #define FEC_FLASHMAC 0xffe04000 #elif defined(CONFIG_CANCam) #define FEC_FLASHMAC 0xf0020000 +#elif defined (CONFIG_M5272C3) +#define FEC_FLASHMAC (0xffe04000 + 4) +#elif defined(CONFIG_MOD5272) +#define FEC_FLASHMAC 0xffc0406b #else #define FEC_FLASHMAC 0 #endif -unsigned char *fec_flashmac = (unsigned char *) FEC_FLASHMAC; - /* Forward declarations of some structures to support different PHYs */ @@ -158,7 +164,7 @@ typedef struct { * size bits. Other FEC hardware does not, so we need to take that into * account when setting it. */ -#if defined(CONFIG_M527x) || defined(CONFIG_M528x) +#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) #define OPT_FRAME_SIZE (PKT_MAXBUF_SIZE << 16) #else #define OPT_FRAME_SIZE 0 @@ -196,7 +202,7 @@ struct fec_enet_private { uint phy_id_done; uint phy_status; uint phy_speed; - phy_info_t *phy; + phy_info_t const *phy; struct work_struct phy_task; uint sequence_done; @@ -209,7 +215,6 @@ struct fec_enet_private { int link; int old_link; int full_duplex; - unsigned char mac_addr[ETH_ALEN]; }; static int fec_enet_open(struct net_device *dev); @@ -237,10 +242,10 @@ typedef struct mii_list { } mii_list_t; #define NMII 20 -mii_list_t mii_cmds[NMII]; -mii_list_t *mii_free; -mii_list_t *mii_head; -mii_list_t *mii_tail; +static mii_list_t mii_cmds[NMII]; +static mii_list_t *mii_free; +static mii_list_t *mii_head; +static mii_list_t *mii_tail; static int mii_queue(struct net_device *dev, int request, void (*func)(uint, struct net_device *)); @@ -425,7 +430,7 @@ fec_timeout(struct net_device *dev) } } #endif - fec_restart(dev, 0); + fec_restart(dev, fep->full_duplex); netif_wake_queue(dev); } @@ -757,45 +762,52 @@ static void mii_parse_sr(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile uint *s = &(fep->phy_status); + uint status; - *s &= ~(PHY_STAT_LINK | PHY_STAT_FAULT | PHY_STAT_ANC); + status = *s & ~(PHY_STAT_LINK | PHY_STAT_FAULT | PHY_STAT_ANC); if (mii_reg & 0x0004) - *s |= PHY_STAT_LINK; + status |= PHY_STAT_LINK; if (mii_reg & 0x0010) - *s |= PHY_STAT_FAULT; + status |= PHY_STAT_FAULT; if (mii_reg & 0x0020) - *s |= PHY_STAT_ANC; + status |= PHY_STAT_ANC; + + *s = status; } static void mii_parse_cr(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile uint *s = &(fep->phy_status); + uint status; - *s &= ~(PHY_CONF_ANE | PHY_CONF_LOOP); + status = *s & ~(PHY_CONF_ANE | PHY_CONF_LOOP); if (mii_reg & 0x1000) - *s |= PHY_CONF_ANE; + status |= PHY_CONF_ANE; if (mii_reg & 0x4000) - *s |= PHY_CONF_LOOP; + status |= PHY_CONF_LOOP; + *s = status; } static void mii_parse_anar(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile uint *s = &(fep->phy_status); + uint status; - *s &= ~(PHY_CONF_SPMASK); + status = *s & ~(PHY_CONF_SPMASK); if (mii_reg & 0x0020) - *s |= PHY_CONF_10HDX; + status |= PHY_CONF_10HDX; if (mii_reg & 0x0040) - *s |= PHY_CONF_10FDX; + status |= PHY_CONF_10FDX; if (mii_reg & 0x0080) - *s |= PHY_CONF_100HDX; + status |= PHY_CONF_100HDX; if (mii_reg & 0x00100) - *s |= PHY_CONF_100FDX; + status |= PHY_CONF_100FDX; + *s = status; } /* ------------------------------------------------------------------------- */ @@ -811,37 +823,34 @@ static void mii_parse_lxt970_csr(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile uint *s = &(fep->phy_status); + uint status; - *s &= ~(PHY_STAT_SPMASK); - + status = *s & ~(PHY_STAT_SPMASK); if (mii_reg & 0x0800) { if (mii_reg & 0x1000) - *s |= PHY_STAT_100FDX; + status |= PHY_STAT_100FDX; else - *s |= PHY_STAT_100HDX; + status |= PHY_STAT_100HDX; } else { if (mii_reg & 0x1000) - *s |= PHY_STAT_10FDX; + status |= PHY_STAT_10FDX; else - *s |= PHY_STAT_10HDX; + status |= PHY_STAT_10HDX; } + *s = status; } -static phy_info_t phy_info_lxt970 = { - 0x07810000, - "LXT970", - - (const phy_cmd_t []) { /* config */ +static phy_cmd_t const phy_cmd_lxt970_config[] = { { mk_mii_read(MII_REG_CR), mii_parse_cr }, { mk_mii_read(MII_REG_ANAR), mii_parse_anar }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* startup - enable interrupts */ + }; +static phy_cmd_t const phy_cmd_lxt970_startup[] = { /* enable interrupts */ { mk_mii_write(MII_LXT970_IER, 0x0002), NULL }, { mk_mii_write(MII_REG_CR, 0x1200), NULL }, /* autonegotiate */ { mk_mii_end, } - }, - (const phy_cmd_t []) { /* ack_int */ + }; +static phy_cmd_t const phy_cmd_lxt970_ack_int[] = { /* read SR and ISR to acknowledge */ { mk_mii_read(MII_REG_SR), mii_parse_sr }, { mk_mii_read(MII_LXT970_ISR), NULL }, @@ -849,11 +858,18 @@ static phy_info_t phy_info_lxt970 = { /* find out the current status */ { mk_mii_read(MII_LXT970_CSR), mii_parse_lxt970_csr }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* shutdown - disable interrupts */ + }; +static phy_cmd_t const phy_cmd_lxt970_shutdown[] = { /* disable interrupts */ { mk_mii_write(MII_LXT970_IER, 0x0000), NULL }, { mk_mii_end, } - }, + }; +static phy_info_t const phy_info_lxt970 = { + .id = 0x07810000, + .name = "LXT970", + .config = phy_cmd_lxt970_config, + .startup = phy_cmd_lxt970_startup, + .ack_int = phy_cmd_lxt970_ack_int, + .shutdown = phy_cmd_lxt970_shutdown }; /* ------------------------------------------------------------------------- */ @@ -878,45 +894,44 @@ static void mii_parse_lxt971_sr2(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile uint *s = &(fep->phy_status); + uint status; - *s &= ~(PHY_STAT_SPMASK | PHY_STAT_LINK | PHY_STAT_ANC); + status = *s & ~(PHY_STAT_SPMASK | PHY_STAT_LINK | PHY_STAT_ANC); if (mii_reg & 0x0400) { fep->link = 1; - *s |= PHY_STAT_LINK; + status |= PHY_STAT_LINK; } else { fep->link = 0; } if (mii_reg & 0x0080) - *s |= PHY_STAT_ANC; + status |= PHY_STAT_ANC; if (mii_reg & 0x4000) { if (mii_reg & 0x0200) - *s |= PHY_STAT_100FDX; + status |= PHY_STAT_100FDX; else - *s |= PHY_STAT_100HDX; + status |= PHY_STAT_100HDX; } else { if (mii_reg & 0x0200) - *s |= PHY_STAT_10FDX; + status |= PHY_STAT_10FDX; else - *s |= PHY_STAT_10HDX; + status |= PHY_STAT_10HDX; } if (mii_reg & 0x0008) - *s |= PHY_STAT_FAULT; -} + status |= PHY_STAT_FAULT; -static phy_info_t phy_info_lxt971 = { - 0x0001378e, - "LXT971", + *s = status; +} - (const phy_cmd_t []) { /* config */ - /* limit to 10MBit because my protorype board +static phy_cmd_t const phy_cmd_lxt971_config[] = { + /* limit to 10MBit because my prototype board * doesn't work with 100. */ { mk_mii_read(MII_REG_CR), mii_parse_cr }, { mk_mii_read(MII_REG_ANAR), mii_parse_anar }, { mk_mii_read(MII_LXT971_SR2), mii_parse_lxt971_sr2 }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* startup - enable interrupts */ + }; +static phy_cmd_t const phy_cmd_lxt971_startup[] = { /* enable interrupts */ { mk_mii_write(MII_LXT971_IER, 0x00f2), NULL }, { mk_mii_write(MII_REG_CR, 0x1200), NULL }, /* autonegotiate */ { mk_mii_write(MII_LXT971_LCR, 0xd422), NULL }, /* LED config */ @@ -925,19 +940,26 @@ static phy_info_t phy_info_lxt971 = { * read here to get a valid value in ack_int */ { mk_mii_read(MII_REG_SR), mii_parse_sr }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* ack_int */ + }; +static phy_cmd_t const phy_cmd_lxt971_ack_int[] = { + /* acknowledge the int before reading status ! */ + { mk_mii_read(MII_LXT971_ISR), NULL }, /* find out the current status */ { mk_mii_read(MII_REG_SR), mii_parse_sr }, { mk_mii_read(MII_LXT971_SR2), mii_parse_lxt971_sr2 }, - /* we only need to read ISR to acknowledge */ - { mk_mii_read(MII_LXT971_ISR), NULL }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* shutdown - disable interrupts */ + }; +static phy_cmd_t const phy_cmd_lxt971_shutdown[] = { /* disable interrupts */ { mk_mii_write(MII_LXT971_IER, 0x0000), NULL }, { mk_mii_end, } - }, + }; +static phy_info_t const phy_info_lxt971 = { + .id = 0x0001378e, + .name = "LXT971", + .config = phy_cmd_lxt971_config, + .startup = phy_cmd_lxt971_startup, + .ack_int = phy_cmd_lxt971_ack_int, + .shutdown = phy_cmd_lxt971_shutdown }; /* ------------------------------------------------------------------------- */ @@ -956,22 +978,21 @@ static void mii_parse_qs6612_pcr(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile uint *s = &(fep->phy_status); + uint status; - *s &= ~(PHY_STAT_SPMASK); + status = *s & ~(PHY_STAT_SPMASK); switch((mii_reg >> 2) & 7) { - case 1: *s |= PHY_STAT_10HDX; break; - case 2: *s |= PHY_STAT_100HDX; break; - case 5: *s |= PHY_STAT_10FDX; break; - case 6: *s |= PHY_STAT_100FDX; break; - } + case 1: status |= PHY_STAT_10HDX; break; + case 2: status |= PHY_STAT_100HDX; break; + case 5: status |= PHY_STAT_10FDX; break; + case 6: status |= PHY_STAT_100FDX; break; } -static phy_info_t phy_info_qs6612 = { - 0x00181440, - "QS6612", - - (const phy_cmd_t []) { /* config */ + *s = status; +} + +static phy_cmd_t const phy_cmd_qs6612_config[] = { /* The PHY powers up isolated on the RPX, * so send a command to allow operation. */ @@ -981,13 +1002,13 @@ static phy_info_t phy_info_qs6612 = { { mk_mii_read(MII_REG_CR), mii_parse_cr }, { mk_mii_read(MII_REG_ANAR), mii_parse_anar }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* startup - enable interrupts */ + }; +static phy_cmd_t const phy_cmd_qs6612_startup[] = { /* enable interrupts */ { mk_mii_write(MII_QS6612_IMR, 0x003a), NULL }, { mk_mii_write(MII_REG_CR, 0x1200), NULL }, /* autonegotiate */ { mk_mii_end, } - }, - (const phy_cmd_t []) { /* ack_int */ + }; +static phy_cmd_t const phy_cmd_qs6612_ack_int[] = { /* we need to read ISR, SR and ANER to acknowledge */ { mk_mii_read(MII_QS6612_ISR), NULL }, { mk_mii_read(MII_REG_SR), mii_parse_sr }, @@ -996,11 +1017,18 @@ static phy_info_t phy_info_qs6612 = { /* read pcr to get info */ { mk_mii_read(MII_QS6612_PCR), mii_parse_qs6612_pcr }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* shutdown - disable interrupts */ + }; +static phy_cmd_t const phy_cmd_qs6612_shutdown[] = { /* disable interrupts */ { mk_mii_write(MII_QS6612_IMR, 0x0000), NULL }, { mk_mii_end, } - }, + }; +static phy_info_t const phy_info_qs6612 = { + .id = 0x00181440, + .name = "QS6612", + .config = phy_cmd_qs6612_config, + .startup = phy_cmd_qs6612_startup, + .ack_int = phy_cmd_qs6612_ack_int, + .shutdown = phy_cmd_qs6612_shutdown }; /* ------------------------------------------------------------------------- */ @@ -1020,49 +1048,54 @@ static void mii_parse_am79c874_dr(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile uint *s = &(fep->phy_status); + uint status; - *s &= ~(PHY_STAT_SPMASK | PHY_STAT_ANC); + status = *s & ~(PHY_STAT_SPMASK | PHY_STAT_ANC); if (mii_reg & 0x0080) - *s |= PHY_STAT_ANC; + status |= PHY_STAT_ANC; if (mii_reg & 0x0400) - *s |= ((mii_reg & 0x0800) ? PHY_STAT_100FDX : PHY_STAT_100HDX); + status |= ((mii_reg & 0x0800) ? PHY_STAT_100FDX : PHY_STAT_100HDX); else - *s |= ((mii_reg & 0x0800) ? PHY_STAT_10FDX : PHY_STAT_10HDX); + status |= ((mii_reg & 0x0800) ? PHY_STAT_10FDX : PHY_STAT_10HDX); + + *s = status; } -static phy_info_t phy_info_am79c874 = { - 0x00022561, - "AM79C874", - - (const phy_cmd_t []) { /* config */ - /* limit to 10MBit because my protorype board - * doesn't work with 100. */ +static phy_cmd_t const phy_cmd_am79c874_config[] = { { mk_mii_read(MII_REG_CR), mii_parse_cr }, { mk_mii_read(MII_REG_ANAR), mii_parse_anar }, { mk_mii_read(MII_AM79C874_DR), mii_parse_am79c874_dr }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* startup - enable interrupts */ + }; +static phy_cmd_t const phy_cmd_am79c874_startup[] = { /* enable interrupts */ { mk_mii_write(MII_AM79C874_ICSR, 0xff00), NULL }, { mk_mii_write(MII_REG_CR, 0x1200), NULL }, /* autonegotiate */ { mk_mii_read(MII_REG_SR), mii_parse_sr }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* ack_int */ + }; +static phy_cmd_t const phy_cmd_am79c874_ack_int[] = { /* find out the current status */ { mk_mii_read(MII_REG_SR), mii_parse_sr }, { mk_mii_read(MII_AM79C874_DR), mii_parse_am79c874_dr }, /* we only need to read ISR to acknowledge */ { mk_mii_read(MII_AM79C874_ICSR), NULL }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* shutdown - disable interrupts */ + }; +static phy_cmd_t const phy_cmd_am79c874_shutdown[] = { /* disable interrupts */ { mk_mii_write(MII_AM79C874_ICSR, 0x0000), NULL }, { mk_mii_end, } - }, + }; +static phy_info_t const phy_info_am79c874 = { + .id = 0x00022561, + .name = "AM79C874", + .config = phy_cmd_am79c874_config, + .startup = phy_cmd_am79c874_startup, + .ack_int = phy_cmd_am79c874_ack_int, + .shutdown = phy_cmd_am79c874_shutdown }; + /* ------------------------------------------------------------------------- */ /* Kendin KS8721BL phy */ @@ -1072,37 +1105,40 @@ static phy_info_t phy_info_am79c874 = { #define MII_KS8721BL_ICSR 22 #define MII_KS8721BL_PHYCR 31 -static phy_info_t phy_info_ks8721bl = { - 0x00022161, - "KS8721BL", - - (const phy_cmd_t []) { /* config */ +static phy_cmd_t const phy_cmd_ks8721bl_config[] = { { mk_mii_read(MII_REG_CR), mii_parse_cr }, { mk_mii_read(MII_REG_ANAR), mii_parse_anar }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* startup */ + }; +static phy_cmd_t const phy_cmd_ks8721bl_startup[] = { /* enable interrupts */ { mk_mii_write(MII_KS8721BL_ICSR, 0xff00), NULL }, { mk_mii_write(MII_REG_CR, 0x1200), NULL }, /* autonegotiate */ { mk_mii_read(MII_REG_SR), mii_parse_sr }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* ack_int */ + }; +static phy_cmd_t const phy_cmd_ks8721bl_ack_int[] = { /* find out the current status */ { mk_mii_read(MII_REG_SR), mii_parse_sr }, /* we only need to read ISR to acknowledge */ { mk_mii_read(MII_KS8721BL_ICSR), NULL }, { mk_mii_end, } - }, - (const phy_cmd_t []) { /* shutdown */ + }; +static phy_cmd_t const phy_cmd_ks8721bl_shutdown[] = { /* disable interrupts */ { mk_mii_write(MII_KS8721BL_ICSR, 0x0000), NULL }, { mk_mii_end, } - }, + }; +static phy_info_t const phy_info_ks8721bl = { + .id = 0x00022161, + .name = "KS8721BL", + .config = phy_cmd_ks8721bl_config, + .startup = phy_cmd_ks8721bl_startup, + .ack_int = phy_cmd_ks8721bl_ack_int, + .shutdown = phy_cmd_ks8721bl_shutdown }; /* ------------------------------------------------------------------------- */ -static phy_info_t *phy_info[] = { +static phy_info_t const * const phy_info[] = { &phy_info_lxt970, &phy_info_lxt971, &phy_info_qs6612, @@ -1129,16 +1165,23 @@ mii_link_interrupt(int irq, void * dev_id, struct pt_regs * regs); static void __inline__ fec_request_intrs(struct net_device *dev) { volatile unsigned long *icrp; + static const struct idesc { + char *name; + unsigned short irq; + irqreturn_t (*handler)(int, void *, struct pt_regs *); + } *idp, id[] = { + { "fec(RX)", 86, fec_enet_interrupt }, + { "fec(TX)", 87, fec_enet_interrupt }, + { "fec(OTHER)", 88, fec_enet_interrupt }, + { "fec(MII)", 66, mii_link_interrupt }, + { NULL }, + }; /* Setup interrupt handlers. */ - if (request_irq(86, fec_enet_interrupt, 0, "fec(RX)", dev) != 0) - printk("FEC: Could not allocate FEC(RC) IRQ(86)!\n"); - if (request_irq(87, fec_enet_interrupt, 0, "fec(TX)", dev) != 0) - printk("FEC: Could not allocate FEC(RC) IRQ(87)!\n"); - if (request_irq(88, fec_enet_interrupt, 0, "fec(OTHER)", dev) != 0) - printk("FEC: Could not allocate FEC(OTHER) IRQ(88)!\n"); - if (request_irq(66, mii_link_interrupt, 0, "fec(MII)", dev) != 0) - printk("FEC: Could not allocate MII IRQ(66)!\n"); + for (idp = id; idp->name; idp++) { + if (request_irq(idp->irq, idp->handler, 0, idp->name, dev) != 0) + printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, idp->irq); + } /* Unmask interrupt at ColdFire 5272 SIM */ icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR3); @@ -1169,17 +1212,16 @@ static void __inline__ fec_get_mac(struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile fec_t *fecp; - unsigned char *iap, tmpaddr[6]; - int i; + unsigned char *iap, tmpaddr[ETH_ALEN]; fecp = fep->hwp; - if (fec_flashmac) { + if (FEC_FLASHMAC) { /* * Get MAC address from FLASH. * If it is all 1's or 0's, use the default. */ - iap = fec_flashmac; + iap = (unsigned char *)FEC_FLASHMAC; if ((iap[0] == 0) && (iap[1] == 0) && (iap[2] == 0) && (iap[3] == 0) && (iap[4] == 0) && (iap[5] == 0)) iap = fec_mac_default; @@ -1192,14 +1234,11 @@ static void __inline__ fec_get_mac(struct net_device *dev) iap = &tmpaddr[0]; } - for (i=0; i<ETH_ALEN; i++) - dev->dev_addr[i] = fep->mac_addr[i] = *iap++; + memcpy(dev->dev_addr, iap, ETH_ALEN); /* Adjust MAC if using default MAC address */ - if (iap == fec_mac_default) { - dev->dev_addr[ETH_ALEN-1] = fep->mac_addr[ETH_ALEN-1] = - iap[ETH_ALEN-1] + fep->index; - } + if (iap == fec_mac_default) + dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; } static void __inline__ fec_enable_phy_intr(void) @@ -1234,48 +1273,44 @@ static void __inline__ fec_uncache(unsigned long addr) /* ------------------------------------------------------------------------- */ -#elif defined(CONFIG_M527x) || defined(CONFIG_M528x) +#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) /* - * Code specific to Coldfire 5270/5271/5274/5275 and 5280/5282 setups. + * Code specific to Coldfire 5230/5231/5232/5234/5235, + * the 5270/5271/5274/5275 and 5280/5282 setups. */ static void __inline__ fec_request_intrs(struct net_device *dev) { struct fec_enet_private *fep; int b; + static const struct idesc { + char *name; + unsigned short irq; + } *idp, id[] = { + { "fec(TXF)", 23 }, + { "fec(TXB)", 24 }, + { "fec(TXFIFO)", 25 }, + { "fec(TXCR)", 26 }, + { "fec(RXF)", 27 }, + { "fec(RXB)", 28 }, + { "fec(MII)", 29 }, + { "fec(LC)", 30 }, + { "fec(HBERR)", 31 }, + { "fec(GRA)", 32 }, + { "fec(EBERR)", 33 }, + { "fec(BABT)", 34 }, + { "fec(BABR)", 35 }, + { NULL }, + }; fep = netdev_priv(dev); b = (fep->index) ? 128 : 64; /* Setup interrupt handlers. */ - if (request_irq(b+23, fec_enet_interrupt, 0, "fec(TXF)", dev) != 0) - printk("FEC: Could not allocate FEC(TXF) IRQ(%d+23)!\n", b); - if (request_irq(b+24, fec_enet_interrupt, 0, "fec(TXB)", dev) != 0) - printk("FEC: Could not allocate FEC(TXB) IRQ(%d+24)!\n", b); - if (request_irq(b+25, fec_enet_interrupt, 0, "fec(TXFIFO)", dev) != 0) - printk("FEC: Could not allocate FEC(TXFIFO) IRQ(%d+25)!\n", b); - if (request_irq(b+26, fec_enet_interrupt, 0, "fec(TXCR)", dev) != 0) - printk("FEC: Could not allocate FEC(TXCR) IRQ(%d+26)!\n", b); - - if (request_irq(b+27, fec_enet_interrupt, 0, "fec(RXF)", dev) != 0) - printk("FEC: Could not allocate FEC(RXF) IRQ(%d+27)!\n", b); - if (request_irq(b+28, fec_enet_interrupt, 0, "fec(RXB)", dev) != 0) - printk("FEC: Could not allocate FEC(RXB) IRQ(%d+28)!\n", b); - - if (request_irq(b+29, fec_enet_interrupt, 0, "fec(MII)", dev) != 0) - printk("FEC: Could not allocate FEC(MII) IRQ(%d+29)!\n", b); - if (request_irq(b+30, fec_enet_interrupt, 0, "fec(LC)", dev) != 0) - printk("FEC: Could not allocate FEC(LC) IRQ(%d+30)!\n", b); - if (request_irq(b+31, fec_enet_interrupt, 0, "fec(HBERR)", dev) != 0) - printk("FEC: Could not allocate FEC(HBERR) IRQ(%d+31)!\n", b); - if (request_irq(b+32, fec_enet_interrupt, 0, "fec(GRA)", dev) != 0) - printk("FEC: Could not allocate FEC(GRA) IRQ(%d+32)!\n", b); - if (request_irq(b+33, fec_enet_interrupt, 0, "fec(EBERR)", dev) != 0) - printk("FEC: Could not allocate FEC(EBERR) IRQ(%d+33)!\n", b); - if (request_irq(b+34, fec_enet_interrupt, 0, "fec(BABT)", dev) != 0) - printk("FEC: Could not allocate FEC(BABT) IRQ(%d+34)!\n", b); - if (request_irq(b+35, fec_enet_interrupt, 0, "fec(BABR)", dev) != 0) - printk("FEC: Could not allocate FEC(BABR) IRQ(%d+35)!\n", b); + for (idp = id; idp->name; idp++) { + if (request_irq(b+idp->irq, fec_enet_interrupt, 0, idp->name, dev) != 0) + printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, b+idp->irq); + } /* Unmask interrupts at ColdFire 5280/5282 interrupt controller */ { @@ -1300,11 +1335,13 @@ static void __inline__ fec_request_intrs(struct net_device *dev) #if defined(CONFIG_M528x) /* Set up gpio outputs for MII lines */ { - volatile unsigned short *gpio_paspar; + volatile u16 *gpio_paspar; + volatile u8 *gpio_pehlpar; - gpio_paspar = (volatile unsigned short *) (MCF_IPSBAR + - 0x100056); - *gpio_paspar = 0x0f00; + gpio_paspar = (volatile u16 *) (MCF_IPSBAR + 0x100056); + gpio_pehlpar = (volatile u16 *) (MCF_IPSBAR + 0x100058); + *gpio_paspar |= 0x0f00; + *gpio_pehlpar = 0xc0; } #endif } @@ -1331,17 +1368,16 @@ static void __inline__ fec_get_mac(struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); volatile fec_t *fecp; - unsigned char *iap, tmpaddr[6]; - int i; + unsigned char *iap, tmpaddr[ETH_ALEN]; fecp = fep->hwp; - if (fec_flashmac) { + if (FEC_FLASHMAC) { /* * Get MAC address from FLASH. * If it is all 1's or 0's, use the default. */ - iap = fec_flashmac; + iap = FEC_FLASHMAC; if ((iap[0] == 0) && (iap[1] == 0) && (iap[2] == 0) && (iap[3] == 0) && (iap[4] == 0) && (iap[5] == 0)) iap = fec_mac_default; @@ -1354,14 +1390,11 @@ static void __inline__ fec_get_mac(struct net_device *dev) iap = &tmpaddr[0]; } - for (i=0; i<ETH_ALEN; i++) - dev->dev_addr[i] = fep->mac_addr[i] = *iap++; + memcpy(dev->dev_addr, iap, ETH_ALEN); /* Adjust MAC if using default MAC address */ - if (iap == fec_mac_default) { - dev->dev_addr[ETH_ALEN-1] = fep->mac_addr[ETH_ALEN-1] = - iap[ETH_ALEN-1] + fep->index; - } + if (iap == fec_mac_default) + dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; } static void __inline__ fec_enable_phy_intr(void) @@ -1392,7 +1425,7 @@ static void __inline__ fec_uncache(unsigned long addr) #else /* - * Code sepcific to the MPC860T setup. + * Code specific to the MPC860T setup. */ static void __inline__ fec_request_intrs(struct net_device *dev) { @@ -1424,13 +1457,10 @@ static void __inline__ fec_request_intrs(struct net_device *dev) static void __inline__ fec_get_mac(struct net_device *dev) { - struct fec_enet_private *fep = netdev_priv(dev); - unsigned char *iap, tmpaddr[6]; bd_t *bd; - int i; - iap = bd->bi_enetaddr; bd = (bd_t *)__res; + memcpy(dev->dev_addr, bd->bi_enetaddr, ETH_ALEN); #ifdef CONFIG_RPXCLASSIC /* The Embedded Planet boards have only one MAC address in @@ -1439,14 +1469,8 @@ static void __inline__ fec_get_mac(struct net_device *dev) * the address bits above something that would have (up to * now) been allocated. */ - for (i=0; i<6; i++) - tmpaddr[i] = *iap++; - tmpaddr[3] |= 0x80; - iap = tmpaddr; + dev->dev_adrd[3] |= 0x80; #endif - - for (i=0; i<6; i++) - dev->dev_addr[i] = fep->mac_addr[i] = *iap++; } static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_private *fep) @@ -1556,7 +1580,7 @@ static void mii_display_status(struct net_device *dev) static void mii_display_config(struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); - volatile uint *s = &(fep->phy_status); + uint status = fep->phy_status; /* ** When we get here, phy_task is already removed from @@ -1565,23 +1589,23 @@ static void mii_display_config(struct net_device *dev) fep->mii_phy_task_queued = 0; printk("%s: config: auto-negotiation ", dev->name); - if (*s & PHY_CONF_ANE) + if (status & PHY_CONF_ANE) printk("on"); else printk("off"); - if (*s & PHY_CONF_100FDX) + if (status & PHY_CONF_100FDX) printk(", 100FDX"); - if (*s & PHY_CONF_100HDX) + if (status & PHY_CONF_100HDX) printk(", 100HDX"); - if (*s & PHY_CONF_10FDX) + if (status & PHY_CONF_10FDX) printk(", 10FDX"); - if (*s & PHY_CONF_10HDX) + if (status & PHY_CONF_10HDX) printk(", 10HDX"); - if (!(*s & PHY_CONF_SPMASK)) + if (!(status & PHY_CONF_SPMASK)) printk(", No speed/duplex selected?"); - if (*s & PHY_CONF_LOOP) + if (status & PHY_CONF_LOOP) printk(", loopback enabled"); printk(".\n"); @@ -1639,7 +1663,7 @@ static void mii_queue_relink(uint mii_reg, struct net_device *dev) schedule_work(&fep->phy_task); } -/* mii_queue_config is called in user context from fec_enet_open */ +/* mii_queue_config is called in interrupt context from fec_enet_mii */ static void mii_queue_config(uint mii_reg, struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); @@ -1652,14 +1676,14 @@ static void mii_queue_config(uint mii_reg, struct net_device *dev) schedule_work(&fep->phy_task); } - - -phy_cmd_t phy_cmd_relink[] = { { mk_mii_read(MII_REG_CR), mii_queue_relink }, - { mk_mii_end, } }; -phy_cmd_t phy_cmd_config[] = { { mk_mii_read(MII_REG_CR), mii_queue_config }, - { mk_mii_end, } }; - - +phy_cmd_t const phy_cmd_relink[] = { + { mk_mii_read(MII_REG_CR), mii_queue_relink }, + { mk_mii_end, } + }; +phy_cmd_t const phy_cmd_config[] = { + { mk_mii_read(MII_REG_CR), mii_queue_config }, + { mk_mii_end, } + }; /* Read remainder of PHY ID. */ @@ -1897,17 +1921,15 @@ static void set_multicast_list(struct net_device *dev) static void fec_set_mac_address(struct net_device *dev) { - struct fec_enet_private *fep; volatile fec_t *fecp; - fep = netdev_priv(dev); - fecp = fep->hwp; + fecp = ((struct fec_enet_private *)netdev_priv(dev))->hwp; /* Set station address. */ - fecp->fec_addr_low = fep->mac_addr[3] | (fep->mac_addr[2] << 8) | - (fep->mac_addr[1] << 16) | (fep->mac_addr[0] << 24); - fecp->fec_addr_high = (fep->mac_addr[5] << 16) | - (fep->mac_addr[4] << 24); + fecp->fec_addr_low = dev->dev_addr[3] | (dev->dev_addr[2] << 8) | + (dev->dev_addr[1] << 16) | (dev->dev_addr[0] << 24); + fecp->fec_addr_high = (dev->dev_addr[5] << 16) | + (dev->dev_addr[4] << 24); } @@ -1943,7 +1965,7 @@ int __init fec_enet_init(struct net_device *dev) udelay(10); /* Clear and enable interrupts */ - fecp->fec_ievent = 0xffc0; + fecp->fec_ievent = 0xffc00000; fecp->fec_imask = (FEC_ENET_TXF | FEC_ENET_TXB | FEC_ENET_RXF | FEC_ENET_RXB | FEC_ENET_MII); fecp->fec_hash_table_high = 0; @@ -2063,11 +2085,6 @@ int __init fec_enet_init(struct net_device *dev) /* setup MII interface */ fec_set_mii(dev, fep); - printk("%s: FEC ENET Version 0.2, ", dev->name); - for (i=0; i<5; i++) - printk("%02x:", dev->dev_addr[i]); - printk("%02x\n", dev->dev_addr[5]); - /* Queue up command to detect the PHY and initialize the * remainder of the interface. */ @@ -2106,18 +2123,12 @@ fec_restart(struct net_device *dev, int duplex) /* Clear any outstanding interrupt. */ - fecp->fec_ievent = 0xffc0; + fecp->fec_ievent = 0xffc00000; fec_enable_phy_intr(); /* Set station address. */ - fecp->fec_addr_low = fep->mac_addr[3] | (fep->mac_addr[2] << 8) | - (fep->mac_addr[1] << 16) | (fep->mac_addr[0] << 24); - fecp->fec_addr_high = (fep->mac_addr[5] << 16) | - (fep->mac_addr[4] << 24); - - for (i=0; i<ETH_ALEN; i++) - dev->dev_addr[i] = fep->mac_addr[i]; + fec_set_mac_address(dev); /* Reset all multicast. */ @@ -2215,7 +2226,7 @@ fec_stop(struct net_device *dev) fecp->fec_x_cntrl = 0x01; /* Graceful transmit stop */ - while(!(fecp->fec_ievent & 0x10000000)); + while(!(fecp->fec_ievent & FEC_ENET_GRA)); /* Whack a reset. We should wait for this. */ @@ -2234,7 +2245,9 @@ fec_stop(struct net_device *dev) static int __init fec_enet_module_init(void) { struct net_device *dev; - int i, err; + int i, j, err; + + printk("FEC ENET Version 0.2\n"); for (i = 0; (i < FEC_MAX_PORTS); i++) { dev = alloc_etherdev(sizeof(struct fec_enet_private)); @@ -2250,6 +2263,11 @@ static int __init fec_enet_module_init(void) free_netdev(dev); return -EIO; } + + printk("%s: ethernet ", dev->name); + for (j = 0; (j < 5); j++) + printk("%02x:", dev->dev_addr[j]); + printk("%02x\n", dev->dev_addr[5]); } return 0; } |