| /* |
| * Marvell 88SE94xx hardware specific |
| * |
| * Copyright 2007 Red Hat, Inc. |
| * Copyright 2008 Marvell. <kewei@marvell.com> |
| * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com> |
| * |
| * This file is licensed under GPLv2. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; version 2 of the |
| * License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| * USA |
| */ |
| |
| #include "mv_sas.h" |
| #include "mv_94xx.h" |
| #include "mv_chips.h" |
| |
| static void mvs_94xx_detect_porttype(struct mvs_info *mvi, int i) |
| { |
| u32 reg; |
| struct mvs_phy *phy = &mvi->phy[i]; |
| u32 phy_status; |
| |
| mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE3); |
| reg = mvs_read_port_vsr_data(mvi, i); |
| phy_status = ((reg & 0x3f0000) >> 16) & 0xff; |
| phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA); |
| switch (phy_status) { |
| case 0x10: |
| phy->phy_type |= PORT_TYPE_SAS; |
| break; |
| case 0x1d: |
| default: |
| phy->phy_type |= PORT_TYPE_SATA; |
| break; |
| } |
| } |
| |
| void set_phy_tuning(struct mvs_info *mvi, int phy_id, |
| struct phy_tuning phy_tuning) |
| { |
| u32 tmp, setting_0 = 0, setting_1 = 0; |
| u8 i; |
| |
| /* Remap information for B0 chip: |
| * |
| * R0Ch -> R118h[15:0] (Adapted DFE F3 - F5 coefficient) |
| * R0Dh -> R118h[31:16] (Generation 1 Setting 0) |
| * R0Eh -> R11Ch[15:0] (Generation 1 Setting 1) |
| * R0Fh -> R11Ch[31:16] (Generation 2 Setting 0) |
| * R10h -> R120h[15:0] (Generation 2 Setting 1) |
| * R11h -> R120h[31:16] (Generation 3 Setting 0) |
| * R12h -> R124h[15:0] (Generation 3 Setting 1) |
| * R13h -> R124h[31:16] (Generation 4 Setting 0 (Reserved)) |
| */ |
| |
| /* A0 has a different set of registers */ |
| if (mvi->pdev->revision == VANIR_A0_REV) |
| return; |
| |
| for (i = 0; i < 3; i++) { |
| /* loop 3 times, set Gen 1, Gen 2, Gen 3 */ |
| switch (i) { |
| case 0: |
| setting_0 = GENERATION_1_SETTING; |
| setting_1 = GENERATION_1_2_SETTING; |
| break; |
| case 1: |
| setting_0 = GENERATION_1_2_SETTING; |
| setting_1 = GENERATION_2_3_SETTING; |
| break; |
| case 2: |
| setting_0 = GENERATION_2_3_SETTING; |
| setting_1 = GENERATION_3_4_SETTING; |
| break; |
| } |
| |
| /* Set: |
| * |
| * Transmitter Emphasis Enable |
| * Transmitter Emphasis Amplitude |
| * Transmitter Amplitude |
| */ |
| mvs_write_port_vsr_addr(mvi, phy_id, setting_0); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| tmp &= ~(0xFBE << 16); |
| tmp |= (((phy_tuning.trans_emp_en << 11) | |
| (phy_tuning.trans_emp_amp << 7) | |
| (phy_tuning.trans_amp << 1)) << 16); |
| mvs_write_port_vsr_data(mvi, phy_id, tmp); |
| |
| /* Set Transmitter Amplitude Adjust */ |
| mvs_write_port_vsr_addr(mvi, phy_id, setting_1); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| tmp &= ~(0xC000); |
| tmp |= (phy_tuning.trans_amp_adj << 14); |
| mvs_write_port_vsr_data(mvi, phy_id, tmp); |
| } |
| } |
| |
| void set_phy_ffe_tuning(struct mvs_info *mvi, int phy_id, |
| struct ffe_control ffe) |
| { |
| u32 tmp; |
| |
| /* Don't run this if A0/B0 */ |
| if ((mvi->pdev->revision == VANIR_A0_REV) |
| || (mvi->pdev->revision == VANIR_B0_REV)) |
| return; |
| |
| /* FFE Resistor and Capacitor */ |
| /* R10Ch DFE Resolution Control/Squelch and FFE Setting |
| * |
| * FFE_FORCE [7] |
| * FFE_RES_SEL [6:4] |
| * FFE_CAP_SEL [3:0] |
| */ |
| mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_FFE_CONTROL); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| tmp &= ~0xFF; |
| |
| /* Read from HBA_Info_Page */ |
| tmp |= ((0x1 << 7) | |
| (ffe.ffe_rss_sel << 4) | |
| (ffe.ffe_cap_sel << 0)); |
| |
| mvs_write_port_vsr_data(mvi, phy_id, tmp); |
| |
| /* R064h PHY Mode Register 1 |
| * |
| * DFE_DIS 18 |
| */ |
| mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| tmp &= ~0x40001; |
| /* Hard coding */ |
| /* No defines in HBA_Info_Page */ |
| tmp |= (0 << 18); |
| mvs_write_port_vsr_data(mvi, phy_id, tmp); |
| |
| /* R110h DFE F0-F1 Coefficient Control/DFE Update Control |
| * |
| * DFE_UPDATE_EN [11:6] |
| * DFE_FX_FORCE [5:0] |
| */ |
| mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_DFE_UPDATE_CRTL); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| tmp &= ~0xFFF; |
| /* Hard coding */ |
| /* No defines in HBA_Info_Page */ |
| tmp |= ((0x3F << 6) | (0x0 << 0)); |
| mvs_write_port_vsr_data(mvi, phy_id, tmp); |
| |
| /* R1A0h Interface and Digital Reference Clock Control/Reserved_50h |
| * |
| * FFE_TRAIN_EN 3 |
| */ |
| mvs_write_port_vsr_addr(mvi, phy_id, VSR_REF_CLOCK_CRTL); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| tmp &= ~0x8; |
| /* Hard coding */ |
| /* No defines in HBA_Info_Page */ |
| tmp |= (0 << 3); |
| mvs_write_port_vsr_data(mvi, phy_id, tmp); |
| } |
| |
| /*Notice: this function must be called when phy is disabled*/ |
| void set_phy_rate(struct mvs_info *mvi, int phy_id, u8 rate) |
| { |
| union reg_phy_cfg phy_cfg, phy_cfg_tmp; |
| mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2); |
| phy_cfg_tmp.v = mvs_read_port_vsr_data(mvi, phy_id); |
| phy_cfg.v = 0; |
| phy_cfg.u.disable_phy = phy_cfg_tmp.u.disable_phy; |
| phy_cfg.u.sas_support = 1; |
| phy_cfg.u.sata_support = 1; |
| phy_cfg.u.sata_host_mode = 1; |
| |
| switch (rate) { |
| case 0x0: |
| /* support 1.5 Gbps */ |
| phy_cfg.u.speed_support = 1; |
| phy_cfg.u.snw_3_support = 0; |
| phy_cfg.u.tx_lnk_parity = 1; |
| phy_cfg.u.tx_spt_phs_lnk_rate = 0x30; |
| break; |
| case 0x1: |
| |
| /* support 1.5, 3.0 Gbps */ |
| phy_cfg.u.speed_support = 3; |
| phy_cfg.u.tx_spt_phs_lnk_rate = 0x3c; |
| phy_cfg.u.tx_lgcl_lnk_rate = 0x08; |
| break; |
| case 0x2: |
| default: |
| /* support 1.5, 3.0, 6.0 Gbps */ |
| phy_cfg.u.speed_support = 7; |
| phy_cfg.u.snw_3_support = 1; |
| phy_cfg.u.tx_lnk_parity = 1; |
| phy_cfg.u.tx_spt_phs_lnk_rate = 0x3f; |
| phy_cfg.u.tx_lgcl_lnk_rate = 0x09; |
| break; |
| } |
| mvs_write_port_vsr_data(mvi, phy_id, phy_cfg.v); |
| } |
| |
| static void __devinit |
| mvs_94xx_config_reg_from_hba(struct mvs_info *mvi, int phy_id) |
| { |
| u32 temp; |
| temp = (u32)(*(u32 *)&mvi->hba_info_param.phy_tuning[phy_id]); |
| if (temp == 0xFFFFFFFFL) { |
| mvi->hba_info_param.phy_tuning[phy_id].trans_emp_amp = 0x6; |
| mvi->hba_info_param.phy_tuning[phy_id].trans_amp = 0x1A; |
| mvi->hba_info_param.phy_tuning[phy_id].trans_amp_adj = 0x3; |
| } |
| |
| temp = (u8)(*(u8 *)&mvi->hba_info_param.ffe_ctl[phy_id]); |
| if (temp == 0xFFL) { |
| switch (mvi->pdev->revision) { |
| case VANIR_A0_REV: |
| case VANIR_B0_REV: |
| mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7; |
| mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0x7; |
| break; |
| case VANIR_C0_REV: |
| case VANIR_C1_REV: |
| case VANIR_C2_REV: |
| default: |
| mvi->hba_info_param.ffe_ctl[phy_id].ffe_rss_sel = 0x7; |
| mvi->hba_info_param.ffe_ctl[phy_id].ffe_cap_sel = 0xC; |
| break; |
| } |
| } |
| |
| temp = (u8)(*(u8 *)&mvi->hba_info_param.phy_rate[phy_id]); |
| if (temp == 0xFFL) |
| /*set default phy_rate = 6Gbps*/ |
| mvi->hba_info_param.phy_rate[phy_id] = 0x2; |
| |
| set_phy_tuning(mvi, phy_id, |
| mvi->hba_info_param.phy_tuning[phy_id]); |
| set_phy_ffe_tuning(mvi, phy_id, |
| mvi->hba_info_param.ffe_ctl[phy_id]); |
| set_phy_rate(mvi, phy_id, |
| mvi->hba_info_param.phy_rate[phy_id]); |
| } |
| |
| static void __devinit mvs_94xx_enable_xmt(struct mvs_info *mvi, int phy_id) |
| { |
| void __iomem *regs = mvi->regs; |
| u32 tmp; |
| |
| tmp = mr32(MVS_PCS); |
| tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT2); |
| mw32(MVS_PCS, tmp); |
| } |
| |
| static void mvs_94xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard) |
| { |
| u32 tmp; |
| u32 delay = 5000; |
| if (hard == MVS_PHY_TUNE) { |
| mvs_write_port_cfg_addr(mvi, phy_id, PHYR_SATA_CTL); |
| tmp = mvs_read_port_cfg_data(mvi, phy_id); |
| mvs_write_port_cfg_data(mvi, phy_id, tmp|0x20000000); |
| mvs_write_port_cfg_data(mvi, phy_id, tmp|0x100000); |
| return; |
| } |
| tmp = mvs_read_port_irq_stat(mvi, phy_id); |
| tmp &= ~PHYEV_RDY_CH; |
| mvs_write_port_irq_stat(mvi, phy_id, tmp); |
| if (hard) { |
| tmp = mvs_read_phy_ctl(mvi, phy_id); |
| tmp |= PHY_RST_HARD; |
| mvs_write_phy_ctl(mvi, phy_id, tmp); |
| do { |
| tmp = mvs_read_phy_ctl(mvi, phy_id); |
| udelay(10); |
| delay--; |
| } while ((tmp & PHY_RST_HARD) && delay); |
| if (!delay) |
| mv_dprintk("phy hard reset failed.\n"); |
| } else { |
| tmp = mvs_read_phy_ctl(mvi, phy_id); |
| tmp |= PHY_RST; |
| mvs_write_phy_ctl(mvi, phy_id, tmp); |
| } |
| } |
| |
| static void mvs_94xx_phy_disable(struct mvs_info *mvi, u32 phy_id) |
| { |
| u32 tmp; |
| mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| mvs_write_port_vsr_data(mvi, phy_id, tmp | 0x00800000); |
| } |
| |
| static void mvs_94xx_phy_enable(struct mvs_info *mvi, u32 phy_id) |
| { |
| u32 tmp; |
| u8 revision = 0; |
| |
| revision = mvi->pdev->revision; |
| if (revision == VANIR_A0_REV) { |
| mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA); |
| mvs_write_port_vsr_data(mvi, phy_id, 0x8300ffc1); |
| } |
| if (revision == VANIR_B0_REV) { |
| mvs_write_port_vsr_addr(mvi, phy_id, CMD_APP_MEM_CTL); |
| mvs_write_port_vsr_data(mvi, phy_id, 0x08001006); |
| mvs_write_port_vsr_addr(mvi, phy_id, CMD_HOST_RD_DATA); |
| mvs_write_port_vsr_data(mvi, phy_id, 0x0000705f); |
| } |
| |
| mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2); |
| tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| tmp |= bit(0); |
| mvs_write_port_vsr_data(mvi, phy_id, tmp & 0xfd7fffff); |
| } |
| |
| static int __devinit mvs_94xx_init(struct mvs_info *mvi) |
| { |
| void __iomem *regs = mvi->regs; |
| int i; |
| u32 tmp, cctl; |
| u8 revision; |
| |
| revision = mvi->pdev->revision; |
| mvs_show_pcie_usage(mvi); |
| if (mvi->flags & MVF_FLAG_SOC) { |
| tmp = mr32(MVS_PHY_CTL); |
| tmp &= ~PCTL_PWR_OFF; |
| tmp |= PCTL_PHY_DSBL; |
| mw32(MVS_PHY_CTL, tmp); |
| } |
| |
| /* Init Chip */ |
| /* make sure RST is set; HBA_RST /should/ have done that for us */ |
| cctl = mr32(MVS_CTL) & 0xFFFF; |
| if (cctl & CCTL_RST) |
| cctl &= ~CCTL_RST; |
| else |
| mw32_f(MVS_CTL, cctl | CCTL_RST); |
| |
| if (mvi->flags & MVF_FLAG_SOC) { |
| tmp = mr32(MVS_PHY_CTL); |
| tmp &= ~PCTL_PWR_OFF; |
| tmp |= PCTL_COM_ON; |
| tmp &= ~PCTL_PHY_DSBL; |
| tmp |= PCTL_LINK_RST; |
| mw32(MVS_PHY_CTL, tmp); |
| msleep(100); |
| tmp &= ~PCTL_LINK_RST; |
| mw32(MVS_PHY_CTL, tmp); |
| msleep(100); |
| } |
| |
| /* disable Multiplexing, enable phy implemented */ |
| mw32(MVS_PORTS_IMP, 0xFF); |
| |
| if (revision == VANIR_A0_REV) { |
| mw32(MVS_PA_VSR_ADDR, CMD_CMWK_OOB_DET); |
| mw32(MVS_PA_VSR_PORT, 0x00018080); |
| } |
| mw32(MVS_PA_VSR_ADDR, VSR_PHY_MODE2); |
| if (revision == VANIR_A0_REV || revision == VANIR_B0_REV) |
| /* set 6G/3G/1.5G, multiplexing, without SSC */ |
| mw32(MVS_PA_VSR_PORT, 0x0084d4fe); |
| else |
| /* set 6G/3G/1.5G, multiplexing, with and without SSC */ |
| mw32(MVS_PA_VSR_PORT, 0x0084fffe); |
| |
| if (revision == VANIR_B0_REV) { |
| mw32(MVS_PA_VSR_ADDR, CMD_APP_MEM_CTL); |
| mw32(MVS_PA_VSR_PORT, 0x08001006); |
| mw32(MVS_PA_VSR_ADDR, CMD_HOST_RD_DATA); |
| mw32(MVS_PA_VSR_PORT, 0x0000705f); |
| } |
| |
| /* reset control */ |
| mw32(MVS_PCS, 0); /* MVS_PCS */ |
| mw32(MVS_STP_REG_SET_0, 0); |
| mw32(MVS_STP_REG_SET_1, 0); |
| |
| /* init phys */ |
| mvs_phy_hacks(mvi); |
| |
| /* set LED blink when IO*/ |
| mw32(MVS_PA_VSR_ADDR, VSR_PHY_ACT_LED); |
| tmp = mr32(MVS_PA_VSR_PORT); |
| tmp &= 0xFFFF00FF; |
| tmp |= 0x00003300; |
| mw32(MVS_PA_VSR_PORT, tmp); |
| |
| mw32(MVS_CMD_LIST_LO, mvi->slot_dma); |
| mw32(MVS_CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16); |
| |
| mw32(MVS_RX_FIS_LO, mvi->rx_fis_dma); |
| mw32(MVS_RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16); |
| |
| mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ); |
| mw32(MVS_TX_LO, mvi->tx_dma); |
| mw32(MVS_TX_HI, (mvi->tx_dma >> 16) >> 16); |
| |
| mw32(MVS_RX_CFG, MVS_RX_RING_SZ); |
| mw32(MVS_RX_LO, mvi->rx_dma); |
| mw32(MVS_RX_HI, (mvi->rx_dma >> 16) >> 16); |
| |
| for (i = 0; i < mvi->chip->n_phy; i++) { |
| mvs_94xx_phy_disable(mvi, i); |
| /* set phy local SAS address */ |
| mvs_set_sas_addr(mvi, i, CONFIG_ID_FRAME3, CONFIG_ID_FRAME4, |
| cpu_to_le64(mvi->phy[i].dev_sas_addr)); |
| |
| mvs_94xx_enable_xmt(mvi, i); |
| mvs_94xx_config_reg_from_hba(mvi, i); |
| mvs_94xx_phy_enable(mvi, i); |
| |
| mvs_94xx_phy_reset(mvi, i, PHY_RST_HARD); |
| msleep(500); |
| mvs_94xx_detect_porttype(mvi, i); |
| } |
| |
| if (mvi->flags & MVF_FLAG_SOC) { |
| /* set select registers */ |
| writel(0x0E008000, regs + 0x000); |
| writel(0x59000008, regs + 0x004); |
| writel(0x20, regs + 0x008); |
| writel(0x20, regs + 0x00c); |
| writel(0x20, regs + 0x010); |
| writel(0x20, regs + 0x014); |
| writel(0x20, regs + 0x018); |
| writel(0x20, regs + 0x01c); |
| } |
| for (i = 0; i < mvi->chip->n_phy; i++) { |
| /* clear phy int status */ |
| tmp = mvs_read_port_irq_stat(mvi, i); |
| tmp &= ~PHYEV_SIG_FIS; |
| mvs_write_port_irq_stat(mvi, i, tmp); |
| |
| /* set phy int mask */ |
| tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH | |
| PHYEV_ID_DONE | PHYEV_DCDR_ERR | PHYEV_CRC_ERR ; |
| mvs_write_port_irq_mask(mvi, i, tmp); |
| |
| msleep(100); |
| mvs_update_phyinfo(mvi, i, 1); |
| } |
| |
| /* FIXME: update wide port bitmaps */ |
| |
| /* little endian for open address and command table, etc. */ |
| /* |
| * it seems that ( from the spec ) turning on big-endian won't |
| * do us any good on big-endian machines, need further confirmation |
| */ |
| cctl = mr32(MVS_CTL); |
| cctl |= CCTL_ENDIAN_CMD; |
| cctl &= ~CCTL_ENDIAN_OPEN; |
| cctl |= CCTL_ENDIAN_RSP; |
| mw32_f(MVS_CTL, cctl); |
| |
| /* reset CMD queue */ |
| tmp = mr32(MVS_PCS); |
| tmp |= PCS_CMD_RST; |
| tmp &= ~PCS_SELF_CLEAR; |
| mw32(MVS_PCS, tmp); |
| /* interrupt coalescing may cause missing HW interrput in some case, |
| * and the max count is 0x1ff, while our max slot is 0x200, |
| * it will make count 0. |
| */ |
| tmp = 0; |
| if (MVS_CHIP_SLOT_SZ > 0x1ff) |
| mw32(MVS_INT_COAL, 0x1ff | COAL_EN); |
| else |
| mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ | COAL_EN); |
| |
| tmp = 0x10000 | interrupt_coalescing; |
| mw32(MVS_INT_COAL_TMOUT, tmp); |
| |
| /* ladies and gentlemen, start your engines */ |
| mw32(MVS_TX_CFG, 0); |
| mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN); |
| mw32(MVS_RX_CFG, MVS_RX_RING_SZ | RX_EN); |
| /* enable CMD/CMPL_Q/RESP mode */ |
| mw32(MVS_PCS, PCS_SATA_RETRY_2 | PCS_FIS_RX_EN | |
| PCS_CMD_EN | PCS_CMD_STOP_ERR); |
| |
| /* enable completion queue interrupt */ |
| tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP | |
| CINT_DMA_PCIE | CINT_NON_SPEC_NCQ_ERROR); |
| tmp |= CINT_PHY_MASK; |
| mw32(MVS_INT_MASK, tmp); |
| |
| /* Enable SRS interrupt */ |
| mw32(MVS_INT_MASK_SRS_0, 0xFFFF); |
| |
| return 0; |
| } |
| |
| static int mvs_94xx_ioremap(struct mvs_info *mvi) |
| { |
| if (!mvs_ioremap(mvi, 2, -1)) { |
| mvi->regs_ex = mvi->regs + 0x10200; |
| mvi->regs += 0x20000; |
| if (mvi->id == 1) |
| mvi->regs += 0x4000; |
| return 0; |
| } |
| return -1; |
| } |
| |
| static void mvs_94xx_iounmap(struct mvs_info *mvi) |
| { |
| if (mvi->regs) { |
| mvi->regs -= 0x20000; |
| if (mvi->id == 1) |
| mvi->regs -= 0x4000; |
| mvs_iounmap(mvi->regs); |
| } |
| } |
| |
| static void mvs_94xx_interrupt_enable(struct mvs_info *mvi) |
| { |
| void __iomem *regs = mvi->regs_ex; |
| u32 tmp; |
| |
| tmp = mr32(MVS_GBL_CTL); |
| tmp |= (IRQ_SAS_A | IRQ_SAS_B); |
| mw32(MVS_GBL_INT_STAT, tmp); |
| writel(tmp, regs + 0x0C); |
| writel(tmp, regs + 0x10); |
| writel(tmp, regs + 0x14); |
| writel(tmp, regs + 0x18); |
| mw32(MVS_GBL_CTL, tmp); |
| } |
| |
| static void mvs_94xx_interrupt_disable(struct mvs_info *mvi) |
| { |
| void __iomem *regs = mvi->regs_ex; |
| u32 tmp; |
| |
| tmp = mr32(MVS_GBL_CTL); |
| |
| tmp &= ~(IRQ_SAS_A | IRQ_SAS_B); |
| mw32(MVS_GBL_INT_STAT, tmp); |
| writel(tmp, regs + 0x0C); |
| writel(tmp, regs + 0x10); |
| writel(tmp, regs + 0x14); |
| writel(tmp, regs + 0x18); |
| mw32(MVS_GBL_CTL, tmp); |
| } |
| |
| static u32 mvs_94xx_isr_status(struct mvs_info *mvi, int irq) |
| { |
| void __iomem *regs = mvi->regs_ex; |
| u32 stat = 0; |
| if (!(mvi->flags & MVF_FLAG_SOC)) { |
| stat = mr32(MVS_GBL_INT_STAT); |
| |
| if (!(stat & (IRQ_SAS_A | IRQ_SAS_B))) |
| return 0; |
| } |
| return stat; |
| } |
| |
| static irqreturn_t mvs_94xx_isr(struct mvs_info *mvi, int irq, u32 stat) |
| { |
| void __iomem *regs = mvi->regs; |
| |
| if (((stat & IRQ_SAS_A) && mvi->id == 0) || |
| ((stat & IRQ_SAS_B) && mvi->id == 1)) { |
| mw32_f(MVS_INT_STAT, CINT_DONE); |
| #ifndef MVS_USE_TASKLET |
| spin_lock(&mvi->lock); |
| #endif |
| mvs_int_full(mvi); |
| #ifndef MVS_USE_TASKLET |
| spin_unlock(&mvi->lock); |
| #endif |
| } |
| return IRQ_HANDLED; |
| } |
| |
| static void mvs_94xx_command_active(struct mvs_info *mvi, u32 slot_idx) |
| { |
| u32 tmp; |
| tmp = mvs_cr32(mvi, MVS_COMMAND_ACTIVE+(slot_idx >> 3)); |
| if (tmp && 1 << (slot_idx % 32)) { |
| mv_printk("command active %08X, slot [%x].\n", tmp, slot_idx); |
| mvs_cw32(mvi, MVS_COMMAND_ACTIVE + (slot_idx >> 3), |
| 1 << (slot_idx % 32)); |
| do { |
| tmp = mvs_cr32(mvi, |
| MVS_COMMAND_ACTIVE + (slot_idx >> 3)); |
| } while (tmp & 1 << (slot_idx % 32)); |
| } |
| } |
| |
| void mvs_94xx_clear_srs_irq(struct mvs_info *mvi, u8 reg_set, u8 clear_all) |
| { |
| void __iomem *regs = mvi->regs; |
| u32 tmp; |
| |
| if (clear_all) { |
| tmp = mr32(MVS_INT_STAT_SRS_0); |
| if (tmp) { |
| mv_dprintk("check SRS 0 %08X.\n", tmp); |
| mw32(MVS_INT_STAT_SRS_0, tmp); |
| } |
| tmp = mr32(MVS_INT_STAT_SRS_1); |
| if (tmp) { |
| mv_dprintk("check SRS 1 %08X.\n", tmp); |
| mw32(MVS_INT_STAT_SRS_1, tmp); |
| } |
| } else { |
| if (reg_set > 31) |
| tmp = mr32(MVS_INT_STAT_SRS_1); |
| else |
| tmp = mr32(MVS_INT_STAT_SRS_0); |
| |
| if (tmp & (1 << (reg_set % 32))) { |
| mv_dprintk("register set 0x%x was stopped.\n", reg_set); |
| if (reg_set > 31) |
| mw32(MVS_INT_STAT_SRS_1, 1 << (reg_set % 32)); |
| else |
| mw32(MVS_INT_STAT_SRS_0, 1 << (reg_set % 32)); |
| } |
| } |
| } |
| |
| static void mvs_94xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type, |
| u32 tfs) |
| { |
| void __iomem *regs = mvi->regs; |
| u32 tmp; |
| mvs_94xx_clear_srs_irq(mvi, 0, 1); |
| |
| tmp = mr32(MVS_INT_STAT); |
| mw32(MVS_INT_STAT, tmp | CINT_CI_STOP); |
| tmp = mr32(MVS_PCS) | 0xFF00; |
| mw32(MVS_PCS, tmp); |
| } |
| |
| static void mvs_94xx_non_spec_ncq_error(struct mvs_info *mvi) |
| { |
| void __iomem *regs = mvi->regs; |
| u32 err_0, err_1; |
| u8 i; |
| struct mvs_device *device; |
| |
| err_0 = mr32(MVS_NON_NCQ_ERR_0); |
| err_1 = mr32(MVS_NON_NCQ_ERR_1); |
| |
| mv_dprintk("non specific ncq error err_0:%x,err_1:%x.\n", |
| err_0, err_1); |
| for (i = 0; i < 32; i++) { |
| if (err_0 & bit(i)) { |
| device = mvs_find_dev_by_reg_set(mvi, i); |
| if (device) |
| mvs_release_task(mvi, device->sas_device); |
| } |
| if (err_1 & bit(i)) { |
| device = mvs_find_dev_by_reg_set(mvi, i+32); |
| if (device) |
| mvs_release_task(mvi, device->sas_device); |
| } |
| } |
| |
| mw32(MVS_NON_NCQ_ERR_0, err_0); |
| mw32(MVS_NON_NCQ_ERR_1, err_1); |
| } |
| |
| static void mvs_94xx_free_reg_set(struct mvs_info *mvi, u8 *tfs) |
| { |
| void __iomem *regs = mvi->regs; |
| u8 reg_set = *tfs; |
| |
| if (*tfs == MVS_ID_NOT_MAPPED) |
| return; |
| |
| mvi->sata_reg_set &= ~bit(reg_set); |
| if (reg_set < 32) |
| w_reg_set_enable(reg_set, (u32)mvi->sata_reg_set); |
| else |
| w_reg_set_enable(reg_set, (u32)(mvi->sata_reg_set >> 32)); |
| |
| *tfs = MVS_ID_NOT_MAPPED; |
| |
| return; |
| } |
| |
| static u8 mvs_94xx_assign_reg_set(struct mvs_info *mvi, u8 *tfs) |
| { |
| int i; |
| void __iomem *regs = mvi->regs; |
| |
| if (*tfs != MVS_ID_NOT_MAPPED) |
| return 0; |
| |
| i = mv_ffc64(mvi->sata_reg_set); |
| if (i >= 32) { |
| mvi->sata_reg_set |= bit(i); |
| w_reg_set_enable(i, (u32)(mvi->sata_reg_set >> 32)); |
| *tfs = i; |
| return 0; |
| } else if (i >= 0) { |
| mvi->sata_reg_set |= bit(i); |
| w_reg_set_enable(i, (u32)mvi->sata_reg_set); |
| *tfs = i; |
| return 0; |
| } |
| return MVS_ID_NOT_MAPPED; |
| } |
| |
| static void mvs_94xx_make_prd(struct scatterlist *scatter, int nr, void *prd) |
| { |
| int i; |
| struct scatterlist *sg; |
| struct mvs_prd *buf_prd = prd; |
| struct mvs_prd_imt im_len; |
| *(u32 *)&im_len = 0; |
| for_each_sg(scatter, sg, nr, i) { |
| buf_prd->addr = cpu_to_le64(sg_dma_address(sg)); |
| im_len.len = sg_dma_len(sg); |
| buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len); |
| buf_prd++; |
| } |
| } |
| |
| static int mvs_94xx_oob_done(struct mvs_info *mvi, int i) |
| { |
| u32 phy_st; |
| phy_st = mvs_read_phy_ctl(mvi, i); |
| if (phy_st & PHY_READY_MASK) /* phy ready */ |
| return 1; |
| return 0; |
| } |
| |
| static void mvs_94xx_get_dev_identify_frame(struct mvs_info *mvi, int port_id, |
| struct sas_identify_frame *id) |
| { |
| int i; |
| u32 id_frame[7]; |
| |
| for (i = 0; i < 7; i++) { |
| mvs_write_port_cfg_addr(mvi, port_id, |
| CONFIG_ID_FRAME0 + i * 4); |
| id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id)); |
| } |
| memcpy(id, id_frame, 28); |
| } |
| |
| static void mvs_94xx_get_att_identify_frame(struct mvs_info *mvi, int port_id, |
| struct sas_identify_frame *id) |
| { |
| int i; |
| u32 id_frame[7]; |
| |
| /* mvs_hexdump(28, (u8 *)id_frame, 0); */ |
| for (i = 0; i < 7; i++) { |
| mvs_write_port_cfg_addr(mvi, port_id, |
| CONFIG_ATT_ID_FRAME0 + i * 4); |
| id_frame[i] = cpu_to_le32(mvs_read_port_cfg_data(mvi, port_id)); |
| mv_dprintk("94xx phy %d atta frame %d %x.\n", |
| port_id + mvi->id * mvi->chip->n_phy, i, id_frame[i]); |
| } |
| /* mvs_hexdump(28, (u8 *)id_frame, 0); */ |
| memcpy(id, id_frame, 28); |
| } |
| |
| static u32 mvs_94xx_make_dev_info(struct sas_identify_frame *id) |
| { |
| u32 att_dev_info = 0; |
| |
| att_dev_info |= id->dev_type; |
| if (id->stp_iport) |
| att_dev_info |= PORT_DEV_STP_INIT; |
| if (id->smp_iport) |
| att_dev_info |= PORT_DEV_SMP_INIT; |
| if (id->ssp_iport) |
| att_dev_info |= PORT_DEV_SSP_INIT; |
| if (id->stp_tport) |
| att_dev_info |= PORT_DEV_STP_TRGT; |
| if (id->smp_tport) |
| att_dev_info |= PORT_DEV_SMP_TRGT; |
| if (id->ssp_tport) |
| att_dev_info |= PORT_DEV_SSP_TRGT; |
| |
| att_dev_info |= (u32)id->phy_id<<24; |
| return att_dev_info; |
| } |
| |
| static u32 mvs_94xx_make_att_info(struct sas_identify_frame *id) |
| { |
| return mvs_94xx_make_dev_info(id); |
| } |
| |
| static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i, |
| struct sas_identify_frame *id) |
| { |
| struct mvs_phy *phy = &mvi->phy[i]; |
| struct asd_sas_phy *sas_phy = &phy->sas_phy; |
| mv_dprintk("get all reg link rate is 0x%x\n", phy->phy_status); |
| sas_phy->linkrate = |
| (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >> |
| PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET; |
| sas_phy->linkrate += 0x8; |
| mv_dprintk("get link rate is %d\n", sas_phy->linkrate); |
| phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
| phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS; |
| mvs_94xx_get_dev_identify_frame(mvi, i, id); |
| phy->dev_info = mvs_94xx_make_dev_info(id); |
| |
| if (phy->phy_type & PORT_TYPE_SAS) { |
| mvs_94xx_get_att_identify_frame(mvi, i, id); |
| phy->att_dev_info = mvs_94xx_make_att_info(id); |
| phy->att_dev_sas_addr = *(u64 *)id->sas_addr; |
| } else { |
| phy->att_dev_info = PORT_DEV_STP_TRGT | 1; |
| } |
| |
| } |
| |
| void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id, |
| struct sas_phy_linkrates *rates) |
| { |
| u32 lrmax = 0; |
| u32 tmp; |
| |
| tmp = mvs_read_phy_ctl(mvi, phy_id); |
| lrmax = (rates->maximum_linkrate - SAS_LINK_RATE_1_5_GBPS) << 12; |
| |
| if (lrmax) { |
| tmp &= ~(0x3 << 12); |
| tmp |= lrmax; |
| } |
| mvs_write_phy_ctl(mvi, phy_id, tmp); |
| mvs_94xx_phy_reset(mvi, phy_id, PHY_RST_HARD); |
| } |
| |
| static void mvs_94xx_clear_active_cmds(struct mvs_info *mvi) |
| { |
| u32 tmp; |
| void __iomem *regs = mvi->regs; |
| tmp = mr32(MVS_STP_REG_SET_0); |
| mw32(MVS_STP_REG_SET_0, 0); |
| mw32(MVS_STP_REG_SET_0, tmp); |
| tmp = mr32(MVS_STP_REG_SET_1); |
| mw32(MVS_STP_REG_SET_1, 0); |
| mw32(MVS_STP_REG_SET_1, tmp); |
| } |
| |
| |
| u32 mvs_94xx_spi_read_data(struct mvs_info *mvi) |
| { |
| void __iomem *regs = mvi->regs_ex - 0x10200; |
| return mr32(SPI_RD_DATA_REG_94XX); |
| } |
| |
| void mvs_94xx_spi_write_data(struct mvs_info *mvi, u32 data) |
| { |
| void __iomem *regs = mvi->regs_ex - 0x10200; |
| mw32(SPI_RD_DATA_REG_94XX, data); |
| } |
| |
| |
| int mvs_94xx_spi_buildcmd(struct mvs_info *mvi, |
| u32 *dwCmd, |
| u8 cmd, |
| u8 read, |
| u8 length, |
| u32 addr |
| ) |
| { |
| void __iomem *regs = mvi->regs_ex - 0x10200; |
| u32 dwTmp; |
| |
| dwTmp = ((u32)cmd << 8) | ((u32)length << 4); |
| if (read) |
| dwTmp |= SPI_CTRL_READ_94XX; |
| |
| if (addr != MV_MAX_U32) { |
| mw32(SPI_ADDR_REG_94XX, (addr & 0x0003FFFFL)); |
| dwTmp |= SPI_ADDR_VLD_94XX; |
| } |
| |
| *dwCmd = dwTmp; |
| return 0; |
| } |
| |
| |
| int mvs_94xx_spi_issuecmd(struct mvs_info *mvi, u32 cmd) |
| { |
| void __iomem *regs = mvi->regs_ex - 0x10200; |
| mw32(SPI_CTRL_REG_94XX, cmd | SPI_CTRL_SpiStart_94XX); |
| |
| return 0; |
| } |
| |
| int mvs_94xx_spi_waitdataready(struct mvs_info *mvi, u32 timeout) |
| { |
| void __iomem *regs = mvi->regs_ex - 0x10200; |
| u32 i, dwTmp; |
| |
| for (i = 0; i < timeout; i++) { |
| dwTmp = mr32(SPI_CTRL_REG_94XX); |
| if (!(dwTmp & SPI_CTRL_SpiStart_94XX)) |
| return 0; |
| msleep(10); |
| } |
| |
| return -1; |
| } |
| |
| void mvs_94xx_fix_dma(struct mvs_info *mvi, u32 phy_mask, |
| int buf_len, int from, void *prd) |
| { |
| int i; |
| struct mvs_prd *buf_prd = prd; |
| dma_addr_t buf_dma; |
| struct mvs_prd_imt im_len; |
| |
| *(u32 *)&im_len = 0; |
| buf_prd += from; |
| |
| #define PRD_CHAINED_ENTRY 0x01 |
| if ((mvi->pdev->revision == VANIR_A0_REV) || |
| (mvi->pdev->revision == VANIR_B0_REV)) |
| buf_dma = (phy_mask <= 0x08) ? |
| mvi->bulk_buffer_dma : mvi->bulk_buffer_dma1; |
| else |
| return; |
| |
| for (i = from; i < MAX_SG_ENTRY; i++, ++buf_prd) { |
| if (i == MAX_SG_ENTRY - 1) { |
| buf_prd->addr = cpu_to_le64(virt_to_phys(buf_prd - 1)); |
| im_len.len = 2; |
| im_len.misc_ctl = PRD_CHAINED_ENTRY; |
| } else { |
| buf_prd->addr = cpu_to_le64(buf_dma); |
| im_len.len = buf_len; |
| } |
| buf_prd->im_len = cpu_to_le32(*(u32 *)&im_len); |
| } |
| } |
| |
| static void mvs_94xx_tune_interrupt(struct mvs_info *mvi, u32 time) |
| { |
| void __iomem *regs = mvi->regs; |
| u32 tmp = 0; |
| /* interrupt coalescing may cause missing HW interrput in some case, |
| * and the max count is 0x1ff, while our max slot is 0x200, |
| * it will make count 0. |
| */ |
| if (time == 0) { |
| mw32(MVS_INT_COAL, 0); |
| mw32(MVS_INT_COAL_TMOUT, 0x10000); |
| } else { |
| if (MVS_CHIP_SLOT_SZ > 0x1ff) |
| mw32(MVS_INT_COAL, 0x1ff|COAL_EN); |
| else |
| mw32(MVS_INT_COAL, MVS_CHIP_SLOT_SZ|COAL_EN); |
| |
| tmp = 0x10000 | time; |
| mw32(MVS_INT_COAL_TMOUT, tmp); |
| } |
| |
| } |
| |
| const struct mvs_dispatch mvs_94xx_dispatch = { |
| "mv94xx", |
| mvs_94xx_init, |
| NULL, |
| mvs_94xx_ioremap, |
| mvs_94xx_iounmap, |
| mvs_94xx_isr, |
| mvs_94xx_isr_status, |
| mvs_94xx_interrupt_enable, |
| mvs_94xx_interrupt_disable, |
| mvs_read_phy_ctl, |
| mvs_write_phy_ctl, |
| mvs_read_port_cfg_data, |
| mvs_write_port_cfg_data, |
| mvs_write_port_cfg_addr, |
| mvs_read_port_vsr_data, |
| mvs_write_port_vsr_data, |
| mvs_write_port_vsr_addr, |
| mvs_read_port_irq_stat, |
| mvs_write_port_irq_stat, |
| mvs_read_port_irq_mask, |
| mvs_write_port_irq_mask, |
| mvs_94xx_command_active, |
| mvs_94xx_clear_srs_irq, |
| mvs_94xx_issue_stop, |
| mvs_start_delivery, |
| mvs_rx_update, |
| mvs_int_full, |
| mvs_94xx_assign_reg_set, |
| mvs_94xx_free_reg_set, |
| mvs_get_prd_size, |
| mvs_get_prd_count, |
| mvs_94xx_make_prd, |
| mvs_94xx_detect_porttype, |
| mvs_94xx_oob_done, |
| mvs_94xx_fix_phy_info, |
| NULL, |
| mvs_94xx_phy_set_link_rate, |
| mvs_hw_max_link_rate, |
| mvs_94xx_phy_disable, |
| mvs_94xx_phy_enable, |
| mvs_94xx_phy_reset, |
| NULL, |
| mvs_94xx_clear_active_cmds, |
| mvs_94xx_spi_read_data, |
| mvs_94xx_spi_write_data, |
| mvs_94xx_spi_buildcmd, |
| mvs_94xx_spi_issuecmd, |
| mvs_94xx_spi_waitdataready, |
| mvs_94xx_fix_dma, |
| mvs_94xx_tune_interrupt, |
| mvs_94xx_non_spec_ncq_error, |
| }; |
| |