From 60ab4361adc188fb47da1c4892cc7a2bb621efef Mon Sep 17 00:00:00 2001 From: Anatolij Gustschin Date: Fri, 26 Feb 2010 12:00:48 +0000 Subject: fs_enet: Add support for MPC512x to fs_enet driver Extend the fs_enet driver to support MPC512x FEC. Enable it with CONFIG_FS_ENET_MPC5121_FEC option. Signed-off-by: John Rigby Signed-off-by: Piotr Ziecik Signed-off-by: Wolfgang Denk Signed-off-by: Anatolij Gustschin Acked-by: Grant Likely Signed-off-by: David S. Miller --- drivers/net/fs_enet/Kconfig | 10 +++++--- drivers/net/fs_enet/fs_enet-main.c | 7 ++++++ drivers/net/fs_enet/fs_enet.h | 49 +++++++++++++++++++++++++++++++++++++- drivers/net/fs_enet/mac-fec.c | 46 +++++++++++++++++++++++------------ drivers/net/fs_enet/mii-fec.c | 4 ++-- 5 files changed, 95 insertions(+), 21 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/fs_enet/Kconfig b/drivers/net/fs_enet/Kconfig index 562ea68..fc073b5 100644 --- a/drivers/net/fs_enet/Kconfig +++ b/drivers/net/fs_enet/Kconfig @@ -1,9 +1,13 @@ config FS_ENET tristate "Freescale Ethernet Driver" - depends on CPM1 || CPM2 + depends on CPM1 || CPM2 || PPC_MPC512x select MII select PHYLIB +config FS_ENET_MPC5121_FEC + def_bool y if (FS_ENET && PPC_MPC512x) + select FS_ENET_HAS_FEC + config FS_ENET_HAS_SCC bool "Chip has an SCC usable for ethernet" depends on FS_ENET && (CPM1 || CPM2) @@ -16,13 +20,13 @@ config FS_ENET_HAS_FCC config FS_ENET_HAS_FEC bool "Chip has an FEC usable for ethernet" - depends on FS_ENET && CPM1 + depends on FS_ENET && (CPM1 || FS_ENET_MPC5121_FEC) select FS_ENET_MDIO_FEC default y config FS_ENET_MDIO_FEC tristate "MDIO driver for FEC" - depends on FS_ENET && CPM1 + depends on FS_ENET && (CPM1 || FS_ENET_MPC5121_FEC) config FS_ENET_MDIO_FCC tristate "MDIO driver for FCC" diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index c34a7e0..4297021 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -1094,11 +1094,18 @@ static struct of_device_id fs_enet_match[] = { }, #endif #ifdef CONFIG_FS_ENET_HAS_FEC +#ifdef CONFIG_FS_ENET_MPC5121_FEC + { + .compatible = "fsl,mpc5121-fec", + .data = (void *)&fs_fec_ops, + }, +#else { .compatible = "fsl,pq1-fec-enet", .data = (void *)&fs_fec_ops, }, #endif +#endif {} }; MODULE_DEVICE_TABLE(of, fs_enet_match); diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h index ef01e09..1ece4b1 100644 --- a/drivers/net/fs_enet/fs_enet.h +++ b/drivers/net/fs_enet/fs_enet.h @@ -13,9 +13,56 @@ #ifdef CONFIG_CPM1 #include +#endif + +#if defined(CONFIG_FS_ENET_HAS_FEC) +#include + +#if defined(CONFIG_FS_ENET_MPC5121_FEC) +/* MPC5121 FEC has different register layout */ +struct fec { + u32 fec_reserved0; + u32 fec_ievent; /* Interrupt event reg */ + u32 fec_imask; /* Interrupt mask reg */ + u32 fec_reserved1; + u32 fec_r_des_active; /* Receive descriptor reg */ + u32 fec_x_des_active; /* Transmit descriptor reg */ + u32 fec_reserved2[3]; + u32 fec_ecntrl; /* Ethernet control reg */ + u32 fec_reserved3[6]; + u32 fec_mii_data; /* MII manage frame reg */ + u32 fec_mii_speed; /* MII speed control reg */ + u32 fec_reserved4[7]; + u32 fec_mib_ctrlstat; /* MIB control/status reg */ + u32 fec_reserved5[7]; + u32 fec_r_cntrl; /* Receive control reg */ + u32 fec_reserved6[15]; + u32 fec_x_cntrl; /* Transmit Control reg */ + u32 fec_reserved7[7]; + u32 fec_addr_low; /* Low 32bits MAC address */ + u32 fec_addr_high; /* High 16bits MAC address */ + u32 fec_opd; /* Opcode + Pause duration */ + u32 fec_reserved8[10]; + u32 fec_hash_table_high; /* High 32bits hash table */ + u32 fec_hash_table_low; /* Low 32bits hash table */ + u32 fec_grp_hash_table_high; /* High 32bits hash table */ + u32 fec_grp_hash_table_low; /* Low 32bits hash table */ + u32 fec_reserved9[7]; + u32 fec_x_wmrk; /* FIFO transmit water mark */ + u32 fec_reserved10; + u32 fec_r_bound; /* FIFO receive bound reg */ + u32 fec_r_fstart; /* FIFO receive start reg */ + u32 fec_reserved11[11]; + u32 fec_r_des_start; /* Receive descriptor ring */ + u32 fec_x_des_start; /* Transmit descriptor ring */ + u32 fec_r_buff_size; /* Maximum receive buff size */ + u32 fec_reserved12[26]; + u32 fec_dma_control; /* DMA Endian and other ctrl */ +}; +#endif struct fec_info { - fec_t __iomem *fecp; + struct fec __iomem *fecp; u32 mii_speed; }; #endif diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c index 8a632f6..cd2c6cc 100644 --- a/drivers/net/fs_enet/mac-fec.c +++ b/drivers/net/fs_enet/mac-fec.c @@ -80,7 +80,7 @@ */ #define FEC_RESET_DELAY 50 -static int whack_reset(fec_t __iomem *fecp) +static int whack_reset(struct fec __iomem *fecp) { int i; @@ -168,7 +168,7 @@ static void cleanup_data(struct net_device *dev) static void set_promiscuous_mode(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; FS(fecp, r_cntrl, FEC_RCNTRL_PROM); } @@ -216,7 +216,7 @@ static void set_multicast_one(struct net_device *dev, const u8 *mac) static void set_multicast_finish(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; /* if all multi or too many multicasts; just enable all */ if ((dev->flags & IFF_ALLMULTI) != 0 || @@ -246,7 +246,7 @@ static void set_multicast_list(struct net_device *dev) static void restart(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; const struct fs_platform_info *fpi = fep->fpi; dma_addr_t rx_bd_base_phys, tx_bd_base_phys; int r; @@ -280,7 +280,11 @@ static void restart(struct net_device *dev) * Set maximum receive buffer size. */ FW(fecp, r_buff_size, PKT_MAXBLR_SIZE); +#ifdef CONFIG_FS_ENET_MPC5121_FEC + FW(fecp, r_cntrl, PKT_MAXBUF_SIZE << 16); +#else FW(fecp, r_hash, PKT_MAXBUF_SIZE); +#endif /* get physical address */ rx_bd_base_phys = fep->ring_mem_addr; @@ -297,7 +301,11 @@ static void restart(struct net_device *dev) /* * Enable big endian and don't care about SDMA FC. */ +#ifdef CONFIG_FS_ENET_MPC5121_FEC + FS(fecp, dma_control, 0xC0000000); +#else FW(fecp, fun_code, 0x78000000); +#endif /* * Set MII speed. @@ -308,9 +316,17 @@ static void restart(struct net_device *dev) * Clear any outstanding interrupt. */ FW(fecp, ievent, 0xffc0); +#ifndef CONFIG_FS_ENET_MPC5121_FEC FW(fecp, ivec, (virq_to_hw(fep->interrupt) / 2) << 29); FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ +#else + /* + * Only set MII mode - do not touch maximum frame length + * configured before. + */ + FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); +#endif /* * adjust to duplex mode */ @@ -339,7 +355,7 @@ static void stop(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); const struct fs_platform_info *fpi = fep->fpi; - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; struct fec_info* feci= fep->phydev->bus->priv; @@ -375,7 +391,7 @@ static void stop(struct net_device *dev) static void napi_clear_rx_event(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; FW(fecp, ievent, FEC_NAPI_RX_EVENT_MSK); } @@ -383,7 +399,7 @@ static void napi_clear_rx_event(struct net_device *dev) static void napi_enable_rx(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; FS(fecp, imask, FEC_NAPI_RX_EVENT_MSK); } @@ -391,7 +407,7 @@ static void napi_enable_rx(struct net_device *dev) static void napi_disable_rx(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; FC(fecp, imask, FEC_NAPI_RX_EVENT_MSK); } @@ -399,7 +415,7 @@ static void napi_disable_rx(struct net_device *dev) static void rx_bd_done(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; FW(fecp, r_des_active, 0x01000000); } @@ -407,7 +423,7 @@ static void rx_bd_done(struct net_device *dev) static void tx_kickstart(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; FW(fecp, x_des_active, 0x01000000); } @@ -415,7 +431,7 @@ static void tx_kickstart(struct net_device *dev) static u32 get_int_events(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; return FR(fecp, ievent) & FR(fecp, imask); } @@ -423,7 +439,7 @@ static u32 get_int_events(struct net_device *dev) static void clear_int_events(struct net_device *dev, u32 int_events) { struct fs_enet_private *fep = netdev_priv(dev); - fec_t __iomem *fecp = fep->fec.fecp; + struct fec __iomem *fecp = fep->fec.fecp; FW(fecp, ievent, int_events); } @@ -439,17 +455,17 @@ static int get_regs(struct net_device *dev, void *p, int *sizep) { struct fs_enet_private *fep = netdev_priv(dev); - if (*sizep < sizeof(fec_t)) + if (*sizep < sizeof(struct fec)) return -EINVAL; - memcpy_fromio(p, fep->fec.fecp, sizeof(fec_t)); + memcpy_fromio(p, fep->fec.fecp, sizeof(struct fec)); return 0; } static int get_regs_len(struct net_device *dev) { - return sizeof(fec_t); + return sizeof(struct fec); } static void tx_restart(struct net_device *dev) diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c index 96eba42..5944b65 100644 --- a/drivers/net/fs_enet/mii-fec.c +++ b/drivers/net/fs_enet/mii-fec.c @@ -52,7 +52,7 @@ static int fs_enet_fec_mii_read(struct mii_bus *bus , int phy_id, int location) { struct fec_info* fec = bus->priv; - fec_t __iomem *fecp = fec->fecp; + struct fec __iomem *fecp = fec->fecp; int i, ret = -1; BUG_ON((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0); @@ -75,7 +75,7 @@ static int fs_enet_fec_mii_read(struct mii_bus *bus , int phy_id, int location) static int fs_enet_fec_mii_write(struct mii_bus *bus, int phy_id, int location, u16 val) { struct fec_info* fec = bus->priv; - fec_t __iomem *fecp = fec->fecp; + struct fec __iomem *fecp = fec->fecp; int i; /* this must never happen */ -- cgit v1.1