diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.c | 167 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.h | 21 |
2 files changed, 140 insertions, 48 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 5117470994d0..770796a628e5 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -109,7 +109,7 @@ static void bgmac_dma_tx_enable(struct bgmac *bgmac, u32 ctl; ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL); - if (bgmac->core->id.rev >= 4) { + if (bgmac->feature_flags & BGMAC_FEAT_TX_MASK_SETUP) { ctl &= ~BGMAC_DMA_TX_BL_MASK; ctl |= BGMAC_DMA_TX_BL_128 << BGMAC_DMA_TX_BL_SHIFT; @@ -331,7 +331,7 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac, u32 ctl; ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL); - if (bgmac->core->id.rev >= 4) { + if (bgmac->feature_flags & BGMAC_FEAT_RX_MASK_SETUP) { ctl &= ~BGMAC_DMA_RX_BL_MASK; ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT; @@ -769,14 +769,20 @@ static void bgmac_cmdcfg_maskset(struct bgmac *bgmac, u32 mask, u32 set, { u32 cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG); u32 new_val = (cmdcfg & mask) | set; + u32 cmdcfg_sr; - bgmac_set(bgmac, BGMAC_CMDCFG, BGMAC_CMDCFG_SR(bgmac->core->id.rev)); + if (bgmac->feature_flags & BGMAC_FEAT_CMDCFG_SR_REV4) + cmdcfg_sr = BGMAC_CMDCFG_SR_REV4; + else + cmdcfg_sr = BGMAC_CMDCFG_SR_REV0; + + bgmac_set(bgmac, BGMAC_CMDCFG, cmdcfg_sr); udelay(2); if (new_val != cmdcfg || force) bgmac_write(bgmac, BGMAC_CMDCFG, new_val); - bgmac_mask(bgmac, BGMAC_CMDCFG, ~BGMAC_CMDCFG_SR(bgmac->core->id.rev)); + bgmac_mask(bgmac, BGMAC_CMDCFG, ~cmdcfg_sr); udelay(2); } @@ -805,7 +811,7 @@ static void bgmac_chip_stats_update(struct bgmac *bgmac) { int i; - if (bgmac->core->id.id != BCMA_CORE_4706_MAC_GBIT) { + if (!(bgmac->feature_flags & BGMAC_FEAT_NO_CLR_MIB)) { for (i = 0; i < BGMAC_NUM_MIB_TX_REGS; i++) bgmac->mib_tx_regs[i] = bgmac_read(bgmac, @@ -824,7 +830,7 @@ static void bgmac_clear_mib(struct bgmac *bgmac) { int i; - if (bgmac->core->id.id == BCMA_CORE_4706_MAC_GBIT) + if (bgmac->feature_flags & BGMAC_FEAT_NO_CLR_MIB) return; bgmac_set(bgmac, BGMAC_DEV_CTL, BGMAC_DC_MROR); @@ -867,9 +873,8 @@ static void bgmac_mac_speed(struct bgmac *bgmac) static void bgmac_miiconfig(struct bgmac *bgmac) { struct bcma_device *core = bgmac->core; - u8 imode; - if (bgmac_is_bcm4707_family(bgmac)) { + if (bgmac->feature_flags & BGMAC_FEAT_FORCE_SPEED_2500) { bcma_awrite32(core, BCMA_IOCTL, bcma_aread32(core, BCMA_IOCTL) | 0x40 | BGMAC_BCMA_IOCTL_SW_CLKEN); @@ -877,6 +882,8 @@ static void bgmac_miiconfig(struct bgmac *bgmac) bgmac->mac_duplex = DUPLEX_FULL; bgmac_mac_speed(bgmac); } else { + u8 imode; + imode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) & BGMAC_DS_MM_MASK) >> BGMAC_DS_MM_SHIFT; if (imode == 0 || imode == 1) { @@ -891,9 +898,7 @@ static void bgmac_miiconfig(struct bgmac *bgmac) static void bgmac_chip_reset(struct bgmac *bgmac) { struct bcma_device *core = bgmac->core; - struct bcma_bus *bus = core->bus; - struct bcma_chipinfo *ci = &bus->chipinfo; - u32 flags; + u32 cmdcfg_sr; u32 iost; int i; @@ -916,15 +921,12 @@ static void bgmac_chip_reset(struct bgmac *bgmac) } iost = bcma_aread32(core, BCMA_IOST); - if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) || - (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) || - (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188)) + if (bgmac->feature_flags & BGMAC_FEAT_IOST_ATTACHED) iost &= ~BGMAC_BCMA_IOST_ATTACHED; /* 3GMAC: for BCM4707 & BCM47094, only do core reset at bgmac_probe() */ - if (ci->id != BCMA_CHIP_ID_BCM4707 && - ci->id != BCMA_CHIP_ID_BCM47094) { - flags = 0; + if (!(bgmac->feature_flags & BGMAC_FEAT_NO_RESET)) { + u32 flags = 0; if (iost & BGMAC_BCMA_IOST_ATTACHED) { flags = BGMAC_BCMA_IOCTL_SW_CLKEN; if (!bgmac->has_robosw) @@ -934,7 +936,7 @@ static void bgmac_chip_reset(struct bgmac *bgmac) } /* Request Misc PLL for corerev > 2 */ - if (core->id.rev > 2 && !bgmac_is_bcm4707_family(bgmac)) { + if (bgmac->feature_flags & BGMAC_FEAT_MISC_PLL_REQ) { bgmac_set(bgmac, BCMA_CLKCTLST, BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ); bgmac_wait_value(bgmac->core, BCMA_CLKCTLST, @@ -943,9 +945,7 @@ static void bgmac_chip_reset(struct bgmac *bgmac) 1000); } - if (ci->id == BCMA_CHIP_ID_BCM5357 || - ci->id == BCMA_CHIP_ID_BCM4749 || - ci->id == BCMA_CHIP_ID_BCM53572) { + if (bgmac->feature_flags & BGMAC_FEAT_SW_TYPE_PHY) { struct bcma_drv_cc *cc = &bgmac->core->bus->drv_cc; u8 et_swtype = 0; u8 sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHY | @@ -959,11 +959,9 @@ static void bgmac_chip_reset(struct bgmac *bgmac) et_swtype &= 0x0f; et_swtype <<= 4; sw_type = et_swtype; - } else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM5358) { + } else if (bgmac->feature_flags & BGMAC_FEAT_SW_TYPE_EPHYRMII) { sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII; - } else if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) || - (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) || - (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188)) { + } else if (bgmac->feature_flags & BGMAC_FEAT_SW_TYPE_RGMII) { sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII | BGMAC_CHIPCTL_1_SW_TYPE_RGMII; } @@ -983,6 +981,11 @@ static void bgmac_chip_reset(struct bgmac *bgmac) * BGMAC_CMDCFG is read _after_ putting chip in a reset. So it has to * be keps until taking MAC out of the reset. */ + if (bgmac->feature_flags & BGMAC_FEAT_CMDCFG_SR_REV4) + cmdcfg_sr = BGMAC_CMDCFG_SR_REV4; + else + cmdcfg_sr = BGMAC_CMDCFG_SR_REV0; + bgmac_cmdcfg_maskset(bgmac, ~(BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE | @@ -1000,13 +1003,13 @@ static void bgmac_chip_reset(struct bgmac *bgmac) BGMAC_CMDCFG_PROM | BGMAC_CMDCFG_NLC | BGMAC_CMDCFG_CFE | - BGMAC_CMDCFG_SR(core->id.rev), + cmdcfg_sr, false); bgmac->mac_speed = SPEED_UNKNOWN; bgmac->mac_duplex = DUPLEX_UNKNOWN; bgmac_clear_mib(bgmac); - if (core->id.id == BCMA_CORE_4706_MAC_GBIT) + if (bgmac->feature_flags & BGMAC_FEAT_CMN_PHY_CTL) bcma_maskset32(bgmac->cmn, BCMA_GMAC_CMN_PHY_CTL, ~0, BCMA_GMAC_CMN_PC_MTE); else @@ -1032,46 +1035,48 @@ static void bgmac_chip_intrs_off(struct bgmac *bgmac) /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_enable */ static void bgmac_enable(struct bgmac *bgmac) { - struct bcma_chipinfo *ci = &bgmac->core->bus->chipinfo; + u32 cmdcfg_sr; u32 cmdcfg; u32 mode; - u32 rxq_ctl; - u32 fl_ctl; - u16 bp_clk; - u8 mdp; + + if (bgmac->feature_flags & BGMAC_FEAT_CMDCFG_SR_REV4) + cmdcfg_sr = BGMAC_CMDCFG_SR_REV4; + else + cmdcfg_sr = BGMAC_CMDCFG_SR_REV0; cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG); bgmac_cmdcfg_maskset(bgmac, ~(BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE), - BGMAC_CMDCFG_SR(bgmac->core->id.rev), true); + cmdcfg_sr, true); udelay(2); cmdcfg |= BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE; bgmac_write(bgmac, BGMAC_CMDCFG, cmdcfg); mode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) & BGMAC_DS_MM_MASK) >> BGMAC_DS_MM_SHIFT; - if (ci->id != BCMA_CHIP_ID_BCM47162 || mode != 0) + if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST || mode != 0) bgmac_set(bgmac, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT); - if (ci->id == BCMA_CHIP_ID_BCM47162 && mode == 2) + if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST && mode == 2) bcma_chipco_chipctl_maskset(&bgmac->core->bus->drv_cc, 1, ~0, BGMAC_CHIPCTL_1_RXC_DLL_BYPASS); - switch (ci->id) { - case BCMA_CHIP_ID_BCM5357: - case BCMA_CHIP_ID_BCM4749: - case BCMA_CHIP_ID_BCM53572: - case BCMA_CHIP_ID_BCM4716: - case BCMA_CHIP_ID_BCM47162: - fl_ctl = 0x03cb04cb; - if (ci->id == BCMA_CHIP_ID_BCM5357 || - ci->id == BCMA_CHIP_ID_BCM4749 || - ci->id == BCMA_CHIP_ID_BCM53572) + if (bgmac->feature_flags & (BGMAC_FEAT_FLW_CTRL1 | + BGMAC_FEAT_FLW_CTRL2)) { + u32 fl_ctl; + + if (bgmac->feature_flags & BGMAC_FEAT_FLW_CTRL1) fl_ctl = 0x2300e1; + else + fl_ctl = 0x03cb04cb; + bgmac_write(bgmac, BGMAC_FLOW_CTL_THRESH, fl_ctl); bgmac_write(bgmac, BGMAC_PAUSE_CTL, 0x27fff); - break; } - if (!bgmac_is_bcm4707_family(bgmac)) { + if (bgmac->feature_flags & BGMAC_FEAT_SET_RXQ_CLK) { + u32 rxq_ctl; + u16 bp_clk; + u8 mdp; + rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL); rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK; bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) / @@ -1587,6 +1592,74 @@ static int bgmac_probe(struct bcma_device *core) if (core->bus->sprom.boardflags_lo & BGMAC_BFL_ENETADM) dev_warn(bgmac->dev, "Support for ADMtek ethernet switch not implemented\n"); + /* Feature Flags */ + switch (core->bus->chipinfo.id) { + case BCMA_CHIP_ID_BCM5357: + bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK; + bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; + bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1; + bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY; + if (core->bus->chipinfo.pkg == BCMA_PKG_ID_BCM47186) { + bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED; + bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII; + } + if (core->bus->chipinfo.pkg == BCMA_PKG_ID_BCM5358) + bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_EPHYRMII; + break; + case BCMA_CHIP_ID_BCM53572: + bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK; + bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; + bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1; + bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY; + if (core->bus->chipinfo.pkg == BCMA_PKG_ID_BCM47188) { + bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII; + bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED; + } + break; + case BCMA_CHIP_ID_BCM4749: + bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK; + bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; + bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1; + bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY; + if (core->bus->chipinfo.pkg == 10) { + bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII; + bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED; + } + break; + case BCMA_CHIP_ID_BCM4716: + bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; + /* fallthrough */ + case BCMA_CHIP_ID_BCM47162: + bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL2; + bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK; + break; + /* bcm4707_family */ + case BCMA_CHIP_ID_BCM4707: + case BCMA_CHIP_ID_BCM47094: + case BCMA_CHIP_ID_BCM53018: + bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; + bgmac->feature_flags |= BGMAC_FEAT_NO_RESET; + bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500; + break; + default: + bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; + bgmac->feature_flags |= BGMAC_FEAT_SET_RXQ_CLK; + } + + if (!bgmac_is_bcm4707_family(bgmac) && core->id.rev > 2) + bgmac->feature_flags |= BGMAC_FEAT_MISC_PLL_REQ; + + if (core->id.id == BCMA_CORE_4706_MAC_GBIT) { + bgmac->feature_flags |= BGMAC_FEAT_CMN_PHY_CTL; + bgmac->feature_flags |= BGMAC_FEAT_NO_CLR_MIB; + } + + if (core->id.rev >= 4) { + bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4; + bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP; + bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP; + } + netif_napi_add(net_dev, &bgmac->napi, bgmac_poll, BGMAC_WEIGHT); if (!bgmac_is_bcm4707_family(bgmac)) { diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index 191e64aaaff2..89dfee1f975c 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -190,7 +190,6 @@ #define BGMAC_CMDCFG_HD_SHIFT 10 #define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for core rev 0-3 */ #define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, for core rev >= 4 */ -#define BGMAC_CMDCFG_SR(rev) ((rev >= 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0) #define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */ #define BGMAC_CMDCFG_AE 0x00400000 #define BGMAC_CMDCFG_CFE 0x00800000 @@ -376,6 +375,24 @@ #define ETHER_MAX_LEN 1518 +/* Feature Flags */ +#define BGMAC_FEAT_TX_MASK_SETUP BIT(0) +#define BGMAC_FEAT_RX_MASK_SETUP BIT(1) +#define BGMAC_FEAT_IOST_ATTACHED BIT(2) +#define BGMAC_FEAT_NO_RESET BIT(3) +#define BGMAC_FEAT_MISC_PLL_REQ BIT(4) +#define BGMAC_FEAT_SW_TYPE_PHY BIT(5) +#define BGMAC_FEAT_SW_TYPE_EPHYRMII BIT(6) +#define BGMAC_FEAT_SW_TYPE_RGMII BIT(7) +#define BGMAC_FEAT_CMN_PHY_CTL BIT(8) +#define BGMAC_FEAT_FLW_CTRL1 BIT(9) +#define BGMAC_FEAT_FLW_CTRL2 BIT(10) +#define BGMAC_FEAT_SET_RXQ_CLK BIT(11) +#define BGMAC_FEAT_CLKCTLST BIT(12) +#define BGMAC_FEAT_NO_CLR_MIB BIT(13) +#define BGMAC_FEAT_FORCE_SPEED_2500 BIT(14) +#define BGMAC_FEAT_CMDCFG_SR_REV4 BIT(15) + struct bgmac_slot_info { union { struct sk_buff *skb; @@ -430,6 +447,8 @@ struct bgmac { struct device *dev; struct device *dma_dev; + u32 feature_flags; + struct net_device *net_dev; struct napi_struct napi; struct mii_bus *mii_bus; |