diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/fs_enet/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 258 | ||||
| -rw-r--r-- | drivers/net/fs_enet/fs_enet.h | 55 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-fcc.c | 89 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-fec.c | 19 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-scc.c | 53 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mii-bitbang.c | 269 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mii-fec.c | 143 |
8 files changed, 709 insertions, 178 deletions
diff --git a/drivers/net/fs_enet/Kconfig b/drivers/net/fs_enet/Kconfig index e27ee21..2765e49 100644 --- a/drivers/net/fs_enet/Kconfig +++ b/drivers/net/fs_enet/Kconfig @@ -11,6 +11,7 @@ config FS_ENET_HAS_SCC config FS_ENET_HAS_FCC bool "Chip has an FCC usable for ethernet" depends on FS_ENET && CPM2 + select MDIO_BITBANG default y config FS_ENET_HAS_FEC diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index 7a02986..fc4fda8 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -42,12 +42,18 @@ #include <asm/irq.h> #include <asm/uaccess.h> +#ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <asm/of_platform.h> +#endif + #include "fs_enet.h" /*************************************************/ +#ifndef CONFIG_PPC_CPM_NEW_BINDING static char version[] __devinitdata = DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")" "\n"; +#endif MODULE_AUTHOR("Pantelis Antoniou <panto@intracom.gr>"); MODULE_DESCRIPTION("Freescale Ethernet Driver"); @@ -948,6 +954,7 @@ static int fs_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) extern int fs_mii_connect(struct net_device *dev); extern void fs_mii_disconnect(struct net_device *dev); +#ifndef CONFIG_PPC_CPM_NEW_BINDING static struct net_device *fs_init_instance(struct device *dev, struct fs_platform_info *fpi) { @@ -1129,6 +1136,7 @@ static int fs_cleanup_instance(struct net_device *ndev) return 0; } +#endif /**************************************************************************************/ @@ -1137,35 +1145,250 @@ void *fs_enet_immap = NULL; static int setup_immap(void) { - phys_addr_t paddr = 0; - unsigned long size = 0; - #ifdef CONFIG_CPM1 - paddr = IMAP_ADDR; - size = 0x10000; /* map 64K */ -#endif - -#ifdef CONFIG_CPM2 - paddr = CPM_MAP_ADDR; - size = 0x40000; /* map 256 K */ + fs_enet_immap = ioremap(IMAP_ADDR, 0x4000); + WARN_ON(!fs_enet_immap); +#elif defined(CONFIG_CPM2) + fs_enet_immap = cpm2_immr; #endif - fs_enet_immap = ioremap(paddr, size); - if (fs_enet_immap == NULL) - return -EBADF; /* XXX ahem; maybe just BUG_ON? */ return 0; } static void cleanup_immap(void) { - if (fs_enet_immap != NULL) { - iounmap(fs_enet_immap); - fs_enet_immap = NULL; - } +#if defined(CONFIG_CPM1) + iounmap(fs_enet_immap); +#endif } /**************************************************************************************/ +#ifdef CONFIG_PPC_CPM_NEW_BINDING +static int __devinit find_phy(struct device_node *np, + struct fs_platform_info *fpi) +{ + struct device_node *phynode, *mdionode; + struct resource res; + int ret = 0, len; + + const u32 *data = of_get_property(np, "phy-handle", &len); + if (!data || len != 4) + return -EINVAL; + + phynode = of_find_node_by_phandle(*data); + if (!phynode) + return -EINVAL; + + mdionode = of_get_parent(phynode); + if (!mdionode) + goto out_put_phy; + + ret = of_address_to_resource(mdionode, 0, &res); + if (ret) + goto out_put_mdio; + + data = of_get_property(phynode, "reg", &len); + if (!data || len != 4) + goto out_put_mdio; + + snprintf(fpi->bus_id, 16, PHY_ID_FMT, res.start, *data); + +out_put_mdio: + of_node_put(mdionode); +out_put_phy: + of_node_put(phynode); + return ret; +} + +#ifdef CONFIG_FS_ENET_HAS_FEC +#define IS_FEC(match) ((match)->data == &fs_fec_ops) +#else +#define IS_FEC(match) 0 +#endif + +static int __devinit fs_enet_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + struct net_device *ndev; + struct fs_enet_private *fep; + struct fs_platform_info *fpi; + const u32 *data; + const u8 *mac_addr; + int privsize, len, ret = -ENODEV; + + fpi = kzalloc(sizeof(*fpi), GFP_KERNEL); + if (!fpi) + return -ENOMEM; + + if (!IS_FEC(match)) { + data = of_get_property(ofdev->node, "fsl,cpm-command", &len); + if (!data || len != 4) + goto out_free_fpi; + + fpi->cp_command = *data; + } + + fpi->rx_ring = 32; + fpi->tx_ring = 32; + fpi->rx_copybreak = 240; + fpi->use_napi = 0; + fpi->napi_weight = 17; + + ret = find_phy(ofdev->node, fpi); + if (ret) + goto out_free_fpi; + + privsize = sizeof(*fep) + + sizeof(struct sk_buff **) * + (fpi->rx_ring + fpi->tx_ring); + + ndev = alloc_etherdev(privsize); + if (!ndev) { + ret = -ENOMEM; + goto out_free_fpi; + } + + SET_MODULE_OWNER(ndev); + dev_set_drvdata(&ofdev->dev, ndev); + + fep = netdev_priv(ndev); + fep->dev = &ofdev->dev; + fep->fpi = fpi; + fep->ops = match->data; + + ret = fep->ops->setup_data(ndev); + if (ret) + goto out_free_dev; + + fep->rx_skbuff = (struct sk_buff **)&fep[1]; + fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring; + + spin_lock_init(&fep->lock); + spin_lock_init(&fep->tx_lock); + + mac_addr = of_get_mac_address(ofdev->node); + if (mac_addr) + memcpy(ndev->dev_addr, mac_addr, 6); + + ret = fep->ops->allocate_bd(ndev); + if (ret) + goto out_cleanup_data; + + fep->rx_bd_base = fep->ring_base; + fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring; + + fep->tx_ring = fpi->tx_ring; + fep->rx_ring = fpi->rx_ring; + + ndev->open = fs_enet_open; + ndev->hard_start_xmit = fs_enet_start_xmit; + ndev->tx_timeout = fs_timeout; + ndev->watchdog_timeo = 2 * HZ; + ndev->stop = fs_enet_close; + ndev->get_stats = fs_enet_get_stats; + ndev->set_multicast_list = fs_set_multicast_list; + if (fpi->use_napi) { + ndev->poll = fs_enet_rx_napi; + ndev->weight = fpi->napi_weight; + } + ndev->ethtool_ops = &fs_ethtool_ops; + ndev->do_ioctl = fs_ioctl; + + init_timer(&fep->phy_timer_list); + + netif_carrier_off(ndev); + + ret = register_netdev(ndev); + if (ret) + goto out_free_bd; + + printk(KERN_INFO "%s: fs_enet: %02x:%02x:%02x:%02x:%02x:%02x\n", + ndev->name, + ndev->dev_addr[0], ndev->dev_addr[1], ndev->dev_addr[2], + ndev->dev_addr[3], ndev->dev_addr[4], ndev->dev_addr[5]); + + return 0; + +out_free_bd: + fep->ops->free_bd(ndev); +out_cleanup_data: + fep->ops->cleanup_data(ndev); +out_free_dev: + free_netdev(ndev); + dev_set_drvdata(&ofdev->dev, NULL); +out_free_fpi: + kfree(fpi); + return ret; +} + +static int fs_enet_remove(struct of_device *ofdev) +{ + struct net_device *ndev = dev_get_drvdata(&ofdev->dev); + struct fs_enet_private *fep = netdev_priv(ndev); + + unregister_netdev(ndev); + + fep->ops->free_bd(ndev); + fep->ops->cleanup_data(ndev); + dev_set_drvdata(fep->dev, NULL); + + free_netdev(ndev); + return 0; +} + +static struct of_device_id fs_enet_match[] = { +#ifdef CONFIG_FS_ENET_HAS_SCC + { + .compatible = "fsl,cpm1-scc-enet", + .data = (void *)&fs_scc_ops, + }, +#endif +#ifdef CONFIG_FS_ENET_HAS_FCC + { + .compatible = "fsl,cpm2-fcc-enet", + .data = (void *)&fs_fcc_ops, + }, +#endif +#ifdef CONFIG_FS_ENET_HAS_FEC + { + .compatible = "fsl,pq1-fec-enet", + .data = (void *)&fs_fec_ops, + }, +#endif + {} +}; + +static struct of_platform_driver fs_enet_driver = { + .name = "fs_enet", + .match_table = fs_enet_match, + .probe = fs_enet_probe, + .remove = fs_enet_remove, +}; + +static int __init fs_init(void) +{ + int r = setup_immap(); + if (r != 0) + return r; + + r = of_register_platform_driver(&fs_enet_driver); + if (r != 0) + goto out; + + return 0; + +out: + cleanup_immap(); + return r; +} + +static void __exit fs_cleanup(void) +{ + of_unregister_platform_driver(&fs_enet_driver); + cleanup_immap(); +} +#else static int __devinit fs_enet_probe(struct device *dev) { struct net_device *ndev; @@ -1279,6 +1502,7 @@ static void __exit fs_cleanup(void) driver_unregister(&fs_enet_scc_driver); cleanup_immap(); } +#endif #ifdef CONFIG_NET_POLL_CONTROLLER static void fs_enet_netpoll(struct net_device *dev) diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h index 85571e4..5a5c9d1 100644 --- a/drivers/net/fs_enet/fs_enet.h +++ b/drivers/net/fs_enet/fs_enet.h @@ -24,19 +24,6 @@ struct fec_info { #include <asm/cpm2.h> #endif -/* This is used to operate with pins. - Note that the actual port size may - be different; cpm(s) handle it OK */ -struct bb_info { - u8 mdio_dat_msk; - u8 mdio_dir_msk; - u8 *mdio_dir; - u8 *mdio_dat; - u8 mdc_msk; - u8 *mdc_dat; - int delay; -}; - /* hw driver ops */ struct fs_ops { int (*setup_data)(struct net_device *dev); @@ -85,48 +72,12 @@ struct phy_info { #define ENET_RX_ALIGN 16 #define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE + ENET_RX_ALIGN - 1) -struct fs_enet_mii_bus { - struct list_head list; - spinlock_t mii_lock; - const struct fs_mii_bus_info *bus_info; - int refs; - u32 usage_map; - - int (*mii_read)(struct fs_enet_mii_bus *bus, - int phy_id, int location); - - void (*mii_write)(struct fs_enet_mii_bus *bus, - int phy_id, int location, int value); - - union { - struct { - unsigned int mii_speed; - void *fecp; - } fec; - - struct { - /* note that the actual port size may */ - /* be different; cpm(s) handle it OK */ - u8 mdio_msk; - u8 *mdio_dir; - u8 *mdio_dat; - u8 mdc_msk; - u8 *mdc_dir; - u8 *mdc_dat; - } bitbang; - - struct { - u16 lpa; - } fixed; - }; -}; - struct fs_enet_private { struct napi_struct napi; struct device *dev; /* pointer back to the device (must be initialized first) */ spinlock_t lock; /* during all ops except TX pckt processing */ spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */ - const struct fs_platform_info *fpi; + struct fs_platform_info *fpi; const struct fs_ops *ops; int rx_ring, tx_ring; dma_addr_t ring_mem_addr; @@ -145,7 +96,6 @@ struct fs_enet_private { u32 msg_enable; struct mii_if_info mii_if; unsigned int last_mii_status; - struct fs_enet_mii_bus *mii_bus; int interrupt; struct phy_device *phydev; @@ -187,9 +137,10 @@ struct fs_enet_private { }; /***************************************************************************/ +#ifndef CONFIG_PPC_CPM_NEW_BINDING int fs_enet_mdio_bb_init(void); -int fs_mii_fixed_init(struct fs_enet_mii_bus *bus); int fs_enet_mdio_fec_init(void); +#endif void fs_init_bds(struct net_device *dev); void fs_cleanup_bds(struct net_device *dev); diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c index e990f72..6094cbf 100644 --- a/drivers/net/fs_enet/mac-fcc.c +++ b/drivers/net/fs_enet/mac-fcc.c @@ -42,6 +42,10 @@ #include <asm/irq.h> #include <asm/uaccess.h> +#ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <asm/of_device.h> +#endif + #include "fs_enet.h" /*************************************************/ @@ -74,33 +78,64 @@ #define MAX_CR_CMD_LOOPS 10000 -static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 mcn, u32 op) +static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 op) { const struct fs_platform_info *fpi = fep->fpi; cpm2_map_t *immap = fs_enet_immap; cpm_cpm2_t *cpmp = &immap->im_cpm; - u32 v; int i; - /* Currently I don't know what feature call will look like. But - I guess there'd be something like do_cpm_cmd() which will require page & sblock */ - v = mk_cr_cmd(fpi->cp_page, fpi->cp_block, mcn, op); - W32(cpmp, cp_cpcr, v | CPM_CR_FLG); + W32(cpmp, cp_cpcr, fpi->cp_command | op | CPM_CR_FLG); for (i = 0; i < MAX_CR_CMD_LOOPS; i++) if ((R32(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) - break; - - if (i >= MAX_CR_CMD_LOOPS) { - printk(KERN_ERR "%s(): Not able to issue CPM command\n", - __FUNCTION__); - return 1; - } + return 0; - return 0; + printk(KERN_ERR "%s(): Not able to issue CPM command\n", + __FUNCTION__); + return 1; } static int do_pd_setup(struct fs_enet_private *fep) { +#ifdef CONFIG_PPC_CPM_NEW_BINDING + struct of_device *ofdev = to_of_device(fep->dev); + struct fs_platform_info *fpi = fep->fpi; + int ret = -EINVAL; + + fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL); + if (fep->interrupt == NO_IRQ) + goto out; + + fep->fcc.fccp = of_iomap(ofdev->node, 0); + if (!fep->fcc.fccp) + goto out; + + fep->fcc.ep = of_iomap(ofdev->node, 1); + if (!fep->fcc.ep) + goto out_fccp; + + fep->fcc.fcccp = of_iomap(ofdev->node, 2); + if (!fep->fcc.fcccp) + goto out_ep; + + fep->fcc.mem = (void *)cpm_dpalloc(128, 8); + fpi->dpram_offset = (u32)cpm2_immr; + if (IS_ERR_VALUE(fpi->dpram_offset)) { + ret = fpi->dpram_offset; + goto out_fcccp; + } + + return 0; + +out_fcccp: + iounmap(fep->fcc.fcccp); +out_ep: + iounmap(fep->fcc.ep); +out_fccp: + iounmap(fep->fcc.fccp); +out: + return ret; +#else struct platform_device *pdev = to_platform_device(fep->dev); struct resource *r; @@ -138,6 +173,7 @@ static int do_pd_setup(struct fs_enet_private *fep) return -EINVAL; return 0; +#endif } #define FCC_NAPI_RX_EVENT_MSK (FCC_ENET_RXF | FCC_ENET_RXB) @@ -148,11 +184,17 @@ static int do_pd_setup(struct fs_enet_private *fep) static int setup_data(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; +#ifndef CONFIG_PPC_CPM_NEW_BINDING + struct fs_platform_info *fpi = fep->fpi; + + fpi->cp_command = (fpi->cp_page << 26) | + (fpi->cp_block << 21) | + (12 << 6); fep->fcc.idx = fs_get_fcc_index(fpi->fs_no); if ((unsigned int)fep->fcc.idx >= 3) /* max 3 FCCs */ return -EINVAL; +#endif if (do_pd_setup(fep) != 0) return -EINVAL; @@ -226,7 +268,7 @@ static void set_multicast_one(struct net_device *dev, const u8 *mac) W16(ep, fen_taddrh, taddrh); W16(ep, fen_taddrm, taddrm); W16(ep, fen_taddrl, taddrl); - fcc_cr_cmd(fep, 0x0C, CPM_CR_SET_GADDR); + fcc_cr_cmd(fep, CPM_CR_SET_GADDR); } static void set_multicast_finish(struct net_device *dev) @@ -281,7 +323,7 @@ static void restart(struct net_device *dev) /* clear everything (slow & steady does it) */ for (i = 0; i < sizeof(*ep); i++) - out_8((char *)ep + i, 0); + out_8((u8 __iomem *)ep + i, 0); /* get physical address */ rx_bd_base_phys = fep->ring_mem_addr; @@ -397,7 +439,7 @@ static void restart(struct net_device *dev) S8(fcccp, fcc_gfemr, 0x20); } - fcc_cr_cmd(fep, 0x0c, CPM_CR_INIT_TRX); + fcc_cr_cmd(fep, CPM_CR_INIT_TRX); /* clear events */ W16(fccp, fcc_fcce, 0xffff); @@ -515,23 +557,22 @@ int get_regs(struct net_device *dev, void *p, int *sizep) { struct fs_enet_private *fep = netdev_priv(dev); - if (*sizep < sizeof(fcc_t) + sizeof(fcc_c_t) + sizeof(fcc_enet_t)) + if (*sizep < sizeof(fcc_t) + sizeof(fcc_enet_t) + 1) return -EINVAL; memcpy_fromio(p, fep->fcc.fccp, sizeof(fcc_t)); p = (char *)p + sizeof(fcc_t); - memcpy_fromio(p, fep->fcc.fcccp, sizeof(fcc_c_t)); - p = (char *)p + sizeof(fcc_c_t); - memcpy_fromio(p, fep->fcc.ep, sizeof(fcc_enet_t)); + p = (char *)p + sizeof(fcc_enet_t); + memcpy_fromio(p, fep->fcc.fcccp, 1); return 0; } int get_regs_len(struct net_device *dev) { - return sizeof(fcc_t) + sizeof(fcc_c_t) + sizeof(fcc_enet_t); + return sizeof(fcc_t) + sizeof(fcc_enet_t) + 1; } /* Some transmit errors cause the transmitter to shut @@ -551,7 +592,7 @@ void tx_restart(struct net_device *dev) udelay(10); S32(fccp, fcc_gfmr, FCC_GFMR_ENT); - fcc_cr_cmd(fep, 0x0C, CPM_CR_RESTART_TX); + fcc_cr_cmd(fep, CPM_CR_RESTART_TX); } /*************************************************************************/ diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c index cbdc17b..924d661 100644 --- a/drivers/net/fs_enet/mac-fec.c +++ b/drivers/net/fs_enet/mac-fec.c @@ -43,6 +43,10 @@ #include <asm/commproc.h> #endif +#ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <asm/of_device.h> +#endif + #include "fs_enet.h" #include "fec.h" @@ -95,6 +99,19 @@ static int whack_reset(fec_t * fecp) static int do_pd_setup(struct fs_enet_private *fep) { +#ifdef CONFIG_PPC_CPM_NEW_BINDING + struct of_device *ofdev = to_of_device(fep->dev); + + fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL); + if (fep->interrupt == NO_IRQ) + return -EINVAL; + + fep->fec.fecp = of_iomap(ofdev->node, 0); + if (!fep->fcc.fccp) + return -EINVAL; + + return 0; +#else struct platform_device *pdev = to_platform_device(fep->dev); struct resource *r; @@ -110,7 +127,7 @@ static int do_pd_setup(struct fs_enet_private *fep) return -EINVAL; return 0; - +#endif } #define FEC_NAPI_RX_EVENT_MSK (FEC_ENET_RXF | FEC_ENET_RXB) diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c index 6f32674..add9e32 100644 --- a/drivers/net/fs_enet/mac-scc.c +++ b/drivers/net/fs_enet/mac-scc.c @@ -43,6 +43,10 @@ #include <asm/commproc.h> #endif +#ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <asm/of_platform.h> +#endif + #include "fs_enet.h" /*************************************************/ @@ -89,27 +93,38 @@ static inline int scc_cr_cmd(struct fs_enet_private *fep, u32 op) { - cpm8xx_t *cpmp = &((immap_t *)fs_enet_immap)->im_cpm; - u32 v, ch; - int i = 0; + const struct fs_platform_info *fpi = fep->fpi; + int i; - ch = fep->scc.idx << 2; - v = mk_cr_cmd(ch, op); - W16(cpmp, cp_cpcr, v | CPM_CR_FLG); + W16(cpmp, cp_cpcr, fpi->cp_command | CPM_CR_FLG | (op << 8)); for (i = 0; i < MAX_CR_CMD_LOOPS; i++) if ((R16(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) - break; + return 0; - if (i >= MAX_CR_CMD_LOOPS) { - printk(KERN_ERR "%s(): Not able to issue CPM command\n", - __FUNCTION__); - return 1; - } - return 0; + printk(KERN_ERR "%s(): Not able to issue CPM command\n", + __FUNCTION__); + return 1; } static int do_pd_setup(struct fs_enet_private *fep) { +#ifdef CONFIG_PPC_CPM_NEW_BINDING + struct of_device *ofdev = to_of_device(fep->dev); + + fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL); + if (fep->interrupt == NO_IRQ) + return -EINVAL; + + fep->scc.sccp = of_iomap(ofdev->node, 0); + if (!fep->scc.sccp) + return -EINVAL; + + fep->scc.ep = of_iomap(ofdev->node, 1); + if (!fep->scc.ep) { + iounmap(fep->scc.sccp); + return -EINVAL; + } +#else struct platform_device *pdev = to_platform_device(fep->dev); struct resource *r; @@ -129,6 +144,7 @@ static int do_pd_setup(struct fs_enet_private *fep) if (fep->scc.ep == NULL) return -EINVAL; +#endif return 0; } @@ -141,12 +157,17 @@ static int do_pd_setup(struct fs_enet_private *fep) static int setup_data(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - const struct fs_platform_info *fpi = fep->fpi; + +#ifdef CONFIG_PPC_CPM_NEW_BINDING + struct fs_platform_info *fpi = fep->fpi; fep->scc.idx = fs_get_scc_index(fpi->fs_no); - if ((unsigned int)fep->fcc.idx > 4) /* max 4 SCCs */ + if ((unsigned int)fep->fcc.idx >= 4) /* max 4 SCCs */ return -EINVAL; + fpi->cp_command = fep->fcc.idx << 6; +#endif + do_pd_setup(fep); fep->scc.hthi = 0; @@ -154,7 +175,7 @@ static int setup_data(struct net_device *dev) fep->ev_napi_rx = SCC_NAPI_RX_EVENT_MSK; fep->ev_rx = SCC_RX_EVENT; - fep->ev_tx = SCC_TX_EVENT; + fep->ev_tx = SCC_TX_EVENT | SCCE_ENET_TXE; fep->ev_err = SCC_ERR_EVENT_MSK; return 0; diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c index 422f828..7cf132f 100644 --- a/drivers/net/fs_enet/mii-bitbang.c +++ b/drivers/net/fs_enet/mii-bitbang.c @@ -13,11 +13,6 @@ */ #include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/ptrace.h> -#include <linux/errno.h> #include <linux/ioport.h> #include <linux/slab.h> #include <linux/interrupt.h> @@ -25,86 +20,77 @@ #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> #include <linux/mii.h> #include <linux/ethtool.h> #include <linux/bitops.h> #include <linux/platform_device.h> -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/uaccess.h> +#ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <linux/of_platform.h> +#endif #include "fs_enet.h" -static int bitbang_prep_bit(u8 **datp, u8 *mskp, - struct fs_mii_bit *mii_bit) -{ - void *dat; - int adv; - u8 msk; - - dat = (void*) mii_bit->offset; - - adv = mii_bit->bit >> 3; - dat = (char *)dat + adv; - - msk = 1 << (7 - (mii_bit->bit & 7)); - - *datp = dat; - *mskp = msk; - - return 0; -} +struct bb_info { + __be32 __iomem *dir; + __be32 __iomem *dat; + u32 mdio_msk; + u32 mdc_msk; + int delay; +}; -static inline void bb_set(u8 *p, u8 m) +/* FIXME: If any other users of GPIO crop up, then these will have to + * have some sort of global synchronization to avoid races with other + * pins on the same port. The ideal solution would probably be to + * bind the ports to a GPIO driver, and have this be a client of it. + */ +static inline void bb_set(u32 __iomem *p, u32 m) { - out_8(p, in_8(p) | m); + out_be32(p, in_be32(p) | m); } -static inline void bb_clr(u8 *p, u8 m) +static inline void bb_clr(u32 __iomem *p, u32 m) { - out_8(p, in_8(p) & ~m); + out_be32(p, in_be32(p) & ~m); } -static inline int bb_read(u8 *p, u8 m) +static inline int bb_read(u32 __iomem *p, u32 m) { - return (in_8(p) & m) != 0; + return (in_be32(p) & m) != 0; } static inline void mdio_active(struct bb_info *bitbang) { - bb_set(bitbang->mdio_dir, bitbang->mdio_dir_msk); + bb_set(bitbang->dir, bitbang->mdio_msk); } -static inline void mdio_tristate(struct bb_info *bitbang ) +static inline void mdio_tristate(struct bb_info *bitbang) { - bb_clr(bitbang->mdio_dir, bitbang->mdio_dir_msk); + bb_clr(bitbang->dir, bitbang->mdio_msk); } -static inline int mdio_read(struct bb_info *bitbang ) +static inline int mdio_read(struct bb_info *bitbang) { - return bb_read(bitbang->mdio_dat, bitbang->mdio_dat_msk); + return bb_read(bitbang->dat, bitbang->mdio_msk); } -static inline void mdio(struct bb_info *bitbang , int what) +static inline void mdio(struct bb_info *bitbang, int what) { if (what) - bb_set(bitbang->mdio_dat, bitbang->mdio_dat_msk); + bb_set(bitbang->dat, bitbang->mdio_msk); else - bb_clr(bitbang->mdio_dat, bitbang->mdio_dat_msk); + bb_clr(bitbang->dat, bitbang->mdio_msk); } -static inline void mdc(struct bb_info *bitbang , int what) +static inline void mdc(struct bb_info *bitbang, int what) { if (what) - bb_set(bitbang->mdc_dat, bitbang->mdc_msk); + bb_set(bitbang->dat, bitbang->mdc_msk); else - bb_clr(bitbang->mdc_dat, bitbang->mdc_msk); + bb_clr(bitbang->dat, bitbang->mdc_msk); } -static inline void mii_delay(struct bb_info *bitbang ) +static inline void mii_delay(struct bb_info *bitbang) { udelay(bitbang->delay); } @@ -280,29 +266,178 @@ static int fs_enet_mii_bb_reset(struct mii_bus *bus) return 0; } -static int fs_mii_bitbang_init(struct bb_info *bitbang, struct fs_mii_bb_platform_info* fmpi) +#ifdef CONFIG_PPC_CPM_NEW_BINDING +static int __devinit fs_mii_bitbang_init(struct mii_bus *bus, + struct device_node *np) { - int r; + struct resource res; + const u32 *data; + int mdio_pin, mdc_pin, len; + struct bb_info *bitbang = bus->priv; - bitbang->delay = fmpi->delay; + int ret = of_address_to_resource(np, 0, &res); + if (ret) + return ret; + + if (res.end - res.start < 13) + return -ENODEV; + + /* This should really encode the pin number as well, but all + * we get is an int, and the odds of multiple bitbang mdio buses + * is low enough that it's not worth going too crazy. + */ + bus->id = res.start; + + data = of_get_property(np, "fsl,mdio-pin", &len); + if (!data || len != 4) + return -ENODEV; + mdio_pin = *data; + + data = of_get_property(np, "fsl,mdc-pin", &len); + if (!data || len != 4) + return -ENODEV; + mdc_pin = *data; + + bitbang->dir = ioremap(res.start, res.end - res.start + 1); + if (!bitbang->dir) + return -ENOMEM; + + bitbang->dat = bitbang->dir + 4; + bitbang->mdio_msk = 1 << (31 - mdio_pin); + bitbang->mdc_msk = 1 << (31 - mdc_pin); + bitbang->delay = 1; /* 1 us between operations */ - r = bitbang_prep_bit(&bitbang->mdio_dir, - &bitbang->mdio_dir_msk, - &fmpi->mdio_dir); - if (r != 0) - return r; - - r = bitbang_prep_bit(&bitbang->mdio_dat, - &bitbang->mdio_dat_msk, - &fmpi->mdio_dat); - if (r != 0) - return r; - - r = bitbang_prep_bit(&bitbang->mdc_dat, - &bitbang->mdc_msk, - &fmpi->mdc_dat); - if (r != 0) - return r; + return 0; +} + +static void __devinit add_phy(struct mii_bus *bus, struct device_node *np) +{ + const u32 *data; + int len, id, irq; + + data = of_get_property(np, "reg", &len); + if (!data || len != 4) + return; + + id = *data; + bus->phy_mask &= ~(1 << id); + + irq = of_irq_to_resource(np, 0, NULL); + if (irq != NO_IRQ) + bus->irq[id] = irq; +} + +static int __devinit fs_enet_mdio_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + struct device_node *np = NULL; + struct mii_bus *new_bus; + struct bb_info *bitbang; + int ret = -ENOMEM; + int i; + + new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); + if (!new_bus) + goto out; + + bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL); + if (!bitbang) + goto out_free_bus; + + new_bus->priv = bitbang; + new_bus->name = "CPM2 Bitbanged MII", + new_bus->read = &fs_enet_mii_bb_read, + new_bus->write = &fs_enet_mii_bb_write, + new_bus->reset = &fs_enet_mii_bb_reset, + + ret = fs_mii_bitbang_init(new_bus, ofdev->node); + if (ret) + goto out_free_bitbang; + + new_bus->phy_mask = ~0; + new_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); + if (!new_bus->irq) + goto out_unmap_regs; + + for (i = 0; i < PHY_MAX_ADDR; i++) + new_bus->irq[i] = -1; + + while ((np = of_get_next_child(ofdev->node, np))) + if (!strcmp(np->type, "ethernet-phy")) + add_phy(new_bus, np); + + new_bus->dev = &ofdev->dev; + dev_set_drvdata(&ofdev->dev, new_bus); + + ret = mdiobus_register(new_bus); + if (ret) + goto out_free_irqs; + + return 0; + +out_free_irqs: + dev_set_drvdata(&ofdev->dev, NULL); + kfree(new_bus->irq); +out_unmap_regs: + iounmap(bitbang->dir); +out_free_bitbang: + kfree(bitbang); +out_free_bus: + kfree(new_bus); +out: + return ret; +} + +static int fs_enet_mdio_remove(struct of_device *ofdev) +{ + struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); + struct bb_info *bitbang = bus->priv; + + mdiobus_unregister(bus); + dev_set_drvdata(&ofdev->dev, NULL); + kfree(bus->irq); + iounmap(bitbang->dir); + kfree(bitbang); + kfree(bus); + + return 0; +} + +static struct of_device_id fs_enet_mdio_bb_match[] = { + { + .compatible = "fsl,cpm2-mdio-bitbang", + }, + {}, +}; + +static struct of_platform_driver fs_enet_bb_mdio_driver = { + .name = "fsl-bb-mdio", + .match_table = fs_enet_mdio_bb_match, + .probe = fs_enet_mdio_probe, + .remove = fs_enet_mdio_remove, +}; + +int fs_enet_mdio_bb_init(void) +{ + return of_register_platform_driver(&fs_enet_bb_mdio_driver); +} + +void fs_enet_mdio_bb_exit(void) +{ + of_unregister_platform_driver(&fs_enet_bb_mdio_driver); +} + +module_init(fs_enet_mdio_bb_init); +module_exit(fs_enet_mdio_bb_exit); +#else +static int __devinit fs_mii_bitbang_init(struct bb_info *bitbang, + struct fs_mii_bb_platform_info *fmpi) +{ + bitbang->dir = (u32 __iomem *)fmpi->mdio_dir.offset; + bitbang->dat = (u32 __iomem *)fmpi->mdio_dat.offset; + bitbang->mdio_msk = 1U << (31 - fmpi->mdio_dat.bit); + bitbang->mdc_msk = 1U << (31 - fmpi->mdc_dat.bit); + bitbang->delay = fmpi->delay; return 0; } diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c index 53db696..f91c38d 100644 --- a/drivers/net/fs_enet/mii-fec.c +++ b/drivers/net/fs_enet/mii-fec.c @@ -36,6 +36,10 @@ #include <asm/irq.h> #include <asm/uaccess.h> +#ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <asm/of_platform.h> +#endif + #include "fs_enet.h" #include "fec.h" @@ -47,6 +51,7 @@ #define FEC_MII_LOOPS 10000 +#ifndef CONFIG_PPC_CPM_NEW_BINDING static int match_has_phy (struct device *dev, void* data) { struct platform_device* pdev = container_of(dev, struct platform_device, dev); @@ -90,6 +95,7 @@ static int fs_mii_fec_init(struct fec_info* fec, struct fs_mii_fec_platform_info return 0; } +#endif static int fs_enet_fec_mii_read(struct mii_bus *bus , int phy_id, int location) { @@ -145,6 +151,141 @@ static int fs_enet_fec_mii_reset(struct mii_bus *bus) return 0; } +#ifdef CONFIG_PPC_CPM_NEW_BINDING +static void __devinit add_phy(struct mii_bus *bus, struct device_node *np) +{ + const u32 *data; + int len, id, irq; + + data = of_get_property(np, "reg", &len); + if (!data || len != 4) + return; + + id = *data; + bus->phy_mask &= ~(1 << id); + + irq = of_irq_to_resource(np, 0, NULL); + if (irq != NO_IRQ) + bus->irq[id] = irq; +} + +static int __devinit fs_enet_mdio_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + struct device_node *np = NULL; + struct resource res; + struct mii_bus *new_bus; + struct fec_info *fec; + int ret = -ENOMEM, i; + + new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); + if (!new_bus) + goto out; + + fec = kzalloc(sizeof(struct fec_info), GFP_KERNEL); + if (!fec) + goto out_mii; + + new_bus->priv = fec; + new_bus->name = "FEC MII Bus"; + new_bus->read = &fs_enet_fec_mii_read; + new_bus->write = &fs_enet_fec_mii_write; + new_bus->reset = &fs_enet_fec_mii_reset; + + ret = of_address_to_resource(ofdev->node, 0, &res); + if (ret) + return ret; + + new_bus->id = res.start; + + fec->fecp = ioremap(res.start, res.end - res.start + 1); + if (!fec->fecp) + goto out_fec; + + fec->mii_speed = ((ppc_proc_freq + 4999999) / 5000000) << 1; + + setbits32(&fec->fecp->fec_r_cntrl, FEC_RCNTRL_MII_MODE); + setbits32(&fec->fecp->fec_ecntrl, FEC_ECNTRL_PINMUX | + FEC_ECNTRL_ETHER_EN); + out_be32(&fec->fecp->fec_ievent, FEC_ENET_MII); + out_be32(&fec->fecp->fec_mii_speed, fec->mii_speed); + + new_bus->phy_mask = ~0; + new_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); + if (!new_bus->irq) + goto out_unmap_regs; + + for (i = 0; i < PHY_MAX_ADDR; i++) + new_bus->irq[i] = -1; + + while ((np = of_get_next_child(ofdev->node, np))) + if (!strcmp(np->type, "ethernet-phy")) + add_phy(new_bus, np); + + new_bus->dev = &ofdev->dev; + dev_set_drvdata(&ofdev->dev, new_bus); + + ret = mdiobus_register(new_bus); + if (ret) + goto out_free_irqs; + + return 0; + +out_free_irqs: + dev_set_drvdata(&ofdev->dev, NULL); + kfree(new_bus->irq); +out_unmap_regs: + iounmap(fec->fecp); +out_fec: + kfree(fec); +out_mii: + kfree(new_bus); +out: + return ret; +} + +static int fs_enet_mdio_remove(struct of_device *ofdev) +{ + struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); + struct fec_info *fec = bus->priv; + + mdiobus_unregister(bus); + dev_set_drvdata(&ofdev->dev, NULL); + kfree(bus->irq); + iounmap(fec->fecp); + kfree(fec); + kfree(bus); + + return 0; +} + +static struct of_device_id fs_enet_mdio_fec_match[] = { + { + .compatible = "fsl,pq1-fec-mdio", + }, + {}, +}; + +static struct of_platform_driver fs_enet_fec_mdio_driver = { + .name = "fsl-fec-mdio", + .match_table = fs_enet_mdio_fec_match, + .probe = fs_enet_mdio_probe, + .remove = fs_enet_mdio_remove, +}; + +static int fs_enet_mdio_fec_init(void) +{ + return of_register_platform_driver(&fs_enet_fec_mdio_driver); +} + +static void fs_enet_mdio_fec_exit(void) +{ + of_unregister_platform_driver(&fs_enet_fec_mdio_driver); +} + +module_init(fs_enet_mdio_fec_init); +module_exit(fs_enet_mdio_fec_exit); +#else static int __devinit fs_enet_fec_mdio_probe(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -235,4 +376,4 @@ void fs_enet_mdio_fec_exit(void) { driver_unregister(&fs_enet_fec_mdio_driver); } - +#endif |