From c9835d97e9fa06ac0741beaa04fc3f431bcd294c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 6 Oct 2009 15:50:45 +0100 Subject: [PATCH] Staging: et131x: Clean up MAC_CFG types Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/et131x/et1310_address_map.h | 112 +++++++------------- drivers/staging/et131x/et1310_mac.c | 67 +++++------- drivers/staging/et131x/et131x_initpci.c | 6 +- 3 files changed, 68 insertions(+), 117 deletions(-) diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h index 423030f1df82..5a7d9ccf1659 100644 --- a/drivers/staging/et131x/et1310_address_map.h +++ b/drivers/staging/et131x/et1310_address_map.h @@ -1308,82 +1308,48 @@ typedef struct _RXMAC_t { /* Location: */ /* * structure for configuration #1 reg in mac address map. * located at address 0x5000 - */ -typedef union _MAC_CFG1_t { - u32 value; - struct { -#ifdef _BIT_FIELDS_HTOL - u32 soft_reset:1; /* bit 31 */ - u32 sim_reset:1; /* bit 30 */ - u32 reserved3:10; /* bits 20-29 */ - u32 reset_rx_mc:1; /* bit 19 */ - u32 reset_tx_mc:1; /* bit 18 */ - u32 reset_rx_fun:1; /* bit 17 */ - u32 reset_tx_fun:1; /* bit 16 */ - u32 reserved2:7; /* bits 9-15 */ - u32 loop_back:1; /* bit 8 */ - u32 reserved1:2; /* bits 6-7 */ - u32 rx_flow:1; /* bit 5 */ - u32 tx_flow:1; /* bit 4 */ - u32 syncd_rx_en:1; /* bit 3 */ - u32 rx_enable:1; /* bit 2 */ - u32 syncd_tx_en:1; /* bit 1 */ - u32 tx_enable:1; /* bit 0 */ -#else - u32 tx_enable:1; /* bit 0 */ - u32 syncd_tx_en:1; /* bit 1 */ - u32 rx_enable:1; /* bit 2 */ - u32 syncd_rx_en:1; /* bit 3 */ - u32 tx_flow:1; /* bit 4 */ - u32 rx_flow:1; /* bit 5 */ - u32 reserved1:2; /* bits 6-7 */ - u32 loop_back:1; /* bit 8 */ - u32 reserved2:7; /* bits 9-15 */ - u32 reset_tx_fun:1; /* bit 16 */ - u32 reset_rx_fun:1; /* bit 17 */ - u32 reset_tx_mc:1; /* bit 18 */ - u32 reset_rx_mc:1; /* bit 19 */ - u32 reserved3:10; /* bits 20-29 */ - u32 sim_reset:1; /* bit 30 */ - u32 soft_reset:1; /* bit 31 */ -#endif - } bits; -} MAC_CFG1_t, *PMAC_CFG1_t; + * + * 31: soft reset + * 30: sim reset + * 29-20: reserved + * 19: reset rx mc + * 18: reset tx mc + * 17: reset rx func + * 16: reset tx fnc + * 15-9: reserved + * 8: loopback + * 7-6: reserved + * 5: rx flow + * 4: tx flow + * 3: syncd rx en + * 2: rx enable + * 1: syncd tx en + * 0: tx enable + */ + +#define CFG1_LOOPBACK 0x00000100 +#define CFG1_RX_FLOW 0x00000020 +#define CFG1_TX_FLOW 0x00000010 +#define CFG1_RX_ENABLE 0x00000004 +#define CFG1_TX_ENABLE 0x00000001 +#define CFG1_WAIT 0x0000000A /* RX & TX syncd */ /* * structure for configuration #2 reg in mac address map. * located at address 0x5004 + * 31-16: reserved + * 15-12: preamble + * 11-10: reserved + * 9-8: if mode + * 7-6: reserved + * 5: huge frame + * 4: length check + * 3: undefined + * 2: pad crc + * 1: crc enable + * 0: full duplex */ -typedef union _MAC_CFG2_t { - u32 value; - struct { -#ifdef _BIT_FIELDS_HTOL - u32 reserved3:16; /* bits 16-31 */ - u32 preamble_len:4; /* bits 12-15 */ - u32 reserved2:2; /* bits 10-11 */ - u32 if_mode:2; /* bits 8-9 */ - u32 reserved1:2; /* bits 6-7 */ - u32 huge_frame:1; /* bit 5 */ - u32 len_check:1; /* bit 4 */ - u32 undefined:1; /* bit 3 */ - u32 pad_crc:1; /* bit 2 */ - u32 crc_enable:1; /* bit 1 */ - u32 full_duplex:1; /* bit 0 */ -#else - u32 full_duplex:1; /* bit 0 */ - u32 crc_enable:1; /* bit 1 */ - u32 pad_crc:1; /* bit 2 */ - u32 undefined:1; /* bit 3 */ - u32 len_check:1; /* bit 4 */ - u32 huge_frame:1; /* bit 5 */ - u32 reserved1:2; /* bits 6-7 */ - u32 if_mode:2; /* bits 8-9 */ - u32 reserved2:2; /* bits 10-11 */ - u32 preamble_len:4; /* bits 12-15 */ - u32 reserved3:16; /* bits 16-31 */ -#endif - } bits; -} MAC_CFG2_t, *PMAC_CFG2_t; + /* * structure for Interpacket gap reg in mac address map. @@ -1682,8 +1648,8 @@ typedef union _MAC_STATION_ADDR2_t { * MAC Module of JAGCore Address Mapping */ typedef struct _MAC_t { /* Location: */ - MAC_CFG1_t cfg1; /* 0x5000 */ - MAC_CFG2_t cfg2; /* 0x5004 */ + u32 cfg1; /* 0x5000 */ + u32 cfg2; /* 0x5004 */ u32 ipg; /* 0x5008 */ u32 hfdp; /* 0x500C */ MAC_MAX_FM_LEN_t max_fm_len; /* 0x5010 */ diff --git a/drivers/staging/et131x/et1310_mac.c b/drivers/staging/et131x/et1310_mac.c index 712a49ed410f..ad32a13a3b32 100644 --- a/drivers/staging/et131x/et1310_mac.c +++ b/drivers/staging/et131x/et1310_mac.c @@ -106,7 +106,7 @@ void ConfigMACRegs1(struct et131x_adapter *etdev) /* First we need to reset everything. Write to MAC configuration * register 1 to perform reset. */ - writel(0xC00F0000, &pMac->cfg1.value); + writel(0xC00F0000, &pMac->cfg1); /* Next lets configure the MAC Inter-packet gap register */ ipg = 0x38005860; /* IPG1 0x38 IPG2 0x58 B2B 0x60 */ @@ -149,7 +149,7 @@ void ConfigMACRegs1(struct et131x_adapter *etdev) writel(etdev->RegistryJumboPacket + 4, &pMac->max_fm_len.value); /* clear out MAC config reset */ - writel(0, &pMac->cfg1.value); + writel(0, &pMac->cfg1); } /** @@ -160,74 +160,59 @@ void ConfigMACRegs2(struct et131x_adapter *etdev) { int32_t delay = 0; struct _MAC_t __iomem *pMac = &etdev->regs->mac; - MAC_CFG1_t cfg1; - MAC_CFG2_t cfg2; + u32 cfg1; + u32 cfg2; MAC_IF_CTRL_t ifctrl; TXMAC_CTL_t ctl; ctl.value = readl(&etdev->regs->txmac.ctl.value); - cfg1.value = readl(&pMac->cfg1.value); - cfg2.value = readl(&pMac->cfg2.value); + cfg1 = readl(&pMac->cfg1); + cfg2 = readl(&pMac->cfg2); ifctrl.value = readl(&pMac->if_ctrl.value); + /* Set up the if mode bits */ + cfg2 &= ~0x300; if (etdev->linkspeed == TRUEPHY_SPEED_1000MBPS) { - cfg2.bits.if_mode = 0x2; + cfg2 |= 0x200; ifctrl.bits.phy_mode = 0x0; } else { - cfg2.bits.if_mode = 0x1; + cfg2 |= 0x100; ifctrl.bits.phy_mode = 0x1; } /* We need to enable Rx/Tx */ - cfg1.bits.rx_enable = 0x1; - cfg1.bits.tx_enable = 0x1; - - /* Set up flow control */ - cfg1.bits.tx_flow = 0x1; - - if ((etdev->FlowControl == RxOnly) || - (etdev->FlowControl == Both)) { - cfg1.bits.rx_flow = 0x1; - } else { - cfg1.bits.rx_flow = 0x0; - } - + cfg1 |= CFG1_RX_ENABLE|CFG1_TX_ENABLE|CFG1_TX_FLOW; /* Initialize loop back to off */ - cfg1.bits.loop_back = 0; - - writel(cfg1.value, &pMac->cfg1.value); + cfg1 &= ~(CFG1_LOOPBACK|CFG1_RX_FLOW); + if (etdev->FlowControl == RxOnly || etdev->FlowControl == Both) + cfg1 |= CFG1_RX_FLOW; + writel(cfg1, &pMac->cfg1); /* Now we need to initialize the MAC Configuration 2 register */ - cfg2.bits.preamble_len = 0x7; - cfg2.bits.huge_frame = 0x0; - /* LENGTH FIELD CHECKING bit4: Set this bit to cause the MAC to check - * the frame's length field to ensure it matches the actual data - * field length. Clear this bit if no length field checking is - * desired. Its default is 0. - */ - cfg2.bits.len_check = 0x1; + /* preamble 7, check length, huge frame off, pad crc, crc enable + full duplex off */ + cfg2 |= 0x7016; + cfg2 &= ~0x0021; - cfg2.bits.pad_crc = 0x1; - cfg2.bits.crc_enable = 0x1; + /* Turn on duplex if needed */ + if (etdev->duplex_mode) + cfg2 |= 0x01; - /* 1 - full duplex, 0 - half-duplex */ - cfg2.bits.full_duplex = etdev->duplex_mode; ifctrl.bits.ghd_mode = !etdev->duplex_mode; writel(ifctrl.value, &pMac->if_ctrl.value); - writel(cfg2.value, &pMac->cfg2.value); + writel(cfg2, &pMac->cfg2); do { udelay(10); delay++; - cfg1.value = readl(&pMac->cfg1.value); - } while ((!cfg1.bits.syncd_rx_en || !cfg1.bits.syncd_tx_en) && - delay < 100); + cfg1 = readl(&pMac->cfg1); + } while ((cfg1 & CFG1_WAIT) != CFG1_WAIT && delay < 100); if (delay == 100) { dev_warn(&etdev->pdev->dev, "Syncd bits did not respond correctly cfg1 word 0x%08x\n", - cfg1.value); + cfg1); } /* Enable TXMAC */ diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c index 6ac7502a4054..0892b6a538db 100644 --- a/drivers/staging/et131x/et131x_initpci.c +++ b/drivers/staging/et131x/et131x_initpci.c @@ -432,12 +432,12 @@ int et131x_adapter_setup(struct et131x_adapter *etdev) void et131x_soft_reset(struct et131x_adapter *adapter) { /* Disable MAC Core */ - writel(0xc00f0000, &adapter->regs->mac.cfg1.value); + writel(0xc00f0000, &adapter->regs->mac.cfg1); /* Set everything to a reset value */ writel(0x7F, &adapter->regs->global.sw_reset); - writel(0x000f0000, &adapter->regs->mac.cfg1.value); - writel(0x00000000, &adapter->regs->mac.cfg1.value); + writel(0x000f0000, &adapter->regs->mac.cfg1); + writel(0x00000000, &adapter->regs->mac.cfg1); } /** -- 2.30.2