/* * Marvell 88SE64xx/88SE94xx register IO interface * * 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 */ #ifndef _MV_CHIPS_H_ #define _MV_CHIPS_H_ #define mr32(reg) readl(regs + reg) #define mw32(reg, val) writel((val), regs + reg) #define mw32_f(reg, val) do { \ mw32(reg, val); \ mr32(reg); \ } while (0) #define iow32(reg, val) outl(val, (unsigned long)(regs + reg)) #define ior32(reg) inl((unsigned long)(regs + reg)) #define iow16(reg, val) outw((unsigned long)(val, regs + reg)) #define ior16(reg) inw((unsigned long)(regs + reg)) #define iow8(reg, val) outb((unsigned long)(val, regs + reg)) #define ior8(reg) inb((unsigned long)(regs + reg)) static inline u32 mvs_cr32(struct mvs_info *mvi, u32 addr) { void __iomem *regs = mvi->regs; mw32(MVS_CMD_ADDR, addr); return mr32(MVS_CMD_DATA); } static inline void mvs_cw32(struct mvs_info *mvi, u32 addr, u32 val) { void __iomem *regs = mvi->regs; mw32(MVS_CMD_ADDR, addr); mw32(MVS_CMD_DATA, val); } static inline u32 mvs_read_phy_ctl(struct mvs_info *mvi, u32 port) { void __iomem *regs = mvi->regs; return (port < 4) ? mr32(MVS_P0_SER_CTLSTAT + port * 4) : mr32(MVS_P4_SER_CTLSTAT + (port - 4) * 4); } static inline void mvs_write_phy_ctl(struct mvs_info *mvi, u32 port, u32 val) { void __iomem *regs = mvi->regs; if (port < 4) mw32(MVS_P0_SER_CTLSTAT + port * 4, val); else mw32(MVS_P4_SER_CTLSTAT + (port - 4) * 4, val); } static inline u32 mvs_read_port(struct mvs_info *mvi, u32 off, u32 off2, u32 port) { void __iomem *regs = mvi->regs + off; void __iomem *regs2 = mvi->regs + off2; return (port < 4) ? readl(regs + port * 8) : readl(regs2 + (port - 4) * 8); } static inline void mvs_write_port(struct mvs_info *mvi, u32 off, u32 off2, u32 port, u32 val) { void __iomem *regs = mvi->regs + off; void __iomem *regs2 = mvi->regs + off2; if (port < 4) writel(val, regs + port * 8); else writel(val, regs2 + (port - 4) * 8); } static inline u32 mvs_read_port_cfg_data(struct mvs_info *mvi, u32 port) { return mvs_read_port(mvi, MVS_P0_CFG_DATA, MVS_P4_CFG_DATA, port); } static inline void mvs_write_port_cfg_data(struct mvs_info *mvi, u32 port, u32 val) { mvs_write_port(mvi, MVS_P0_CFG_DATA, MVS_P4_CFG_DATA, port, val); } static inline void mvs_write_port_cfg_addr(struct mvs_info *mvi, u32 port, u32 addr) { mvs_write_port(mvi, MVS_P0_CFG_ADDR, MVS_P4_CFG_ADDR, port, addr); mdelay(10); } static inline u32 mvs_read_port_vsr_data(struct mvs_info *mvi, u32 port) { return mvs_read_port(mvi, MVS_P0_VSR_DATA, MVS_P4_VSR_DATA, port); } static inline void mvs_write_port_vsr_data(struct mvs_info *mvi, u32 port, u32 val) { mvs_write_port(mvi, MVS_P0_VSR_DATA, MVS_P4_VSR_DATA, port, val); } static inline void mvs_write_port_vsr_addr(struct mvs_info *mvi, u32 port, u32 addr) { mvs_write_port(mvi, MVS_P0_VSR_ADDR, MVS_P4_VSR_ADDR, port, addr); mdelay(10); } static inline u32 mvs_read_port_irq_stat(struct mvs_info *mvi, u32 port) { return mvs_read_port(mvi, MVS_P0_INT_STAT, MVS_P4_INT_STAT, port); } static inline void mvs_write_port_irq_stat(struct mvs_info *mvi, u32 port, u32 val) { mvs_write_port(mvi, MVS_P0_INT_STAT, MVS_P4_INT_STAT, port, val); } static inline u32 mvs_read_port_irq_mask(struct mvs_info *mvi, u32 port) { return mvs_read_port(mvi, MVS_P0_INT_MASK, MVS_P4_INT_MASK, port); } static inline void mvs_write_port_irq_mask(struct mvs_info *mvi, u32 port, u32 val) { mvs_write_port(mvi, MVS_P0_INT_MASK, MVS_P4_INT_MASK, port, val); } static inline void __devinit mvs_phy_hacks(struct mvs_info *mvi) { u32 tmp; tmp = mvs_cr32(mvi, CMD_PHY_TIMER); tmp &= ~(1 << 9); tmp |= (1 << 10); mvs_cw32(mvi, CMD_PHY_TIMER, tmp); /* enable retry 127 times */ mvs_cw32(mvi, CMD_SAS_CTL1, 0x7f7f); /* extend open frame timeout to max */ tmp = mvs_cr32(mvi, CMD_SAS_CTL0); tmp &= ~0xffff; tmp |= 0x3fff; mvs_cw32(mvi, CMD_SAS_CTL0, tmp); mvs_cw32(mvi, CMD_WD_TIMER, 0x7a0000); /* not to halt for different port op during wideport link change */ mvs_cw32(mvi, CMD_APP_ERR_CONFIG, 0xffefbf7d); } static inline void mvs_int_sata(struct mvs_info *mvi) { u32 tmp; void __iomem *regs = mvi->regs; tmp = mr32(MVS_INT_STAT_SRS_0); if (tmp) mw32(MVS_INT_STAT_SRS_0, tmp); MVS_CHIP_DISP->clear_active_cmds(mvi); } static inline void mvs_int_full(struct mvs_info *mvi) { void __iomem *regs = mvi->regs; u32 tmp, stat; int i; stat = mr32(MVS_INT_STAT); mvs_int_rx(mvi, false); for (i = 0; i < mvi->chip->n_phy; i++) { tmp = (stat >> i) & (CINT_PORT | CINT_PORT_STOPPED); if (tmp) mvs_int_port(mvi, i, tmp); } if (stat & CINT_NON_SPEC_NCQ_ERROR) MVS_CHIP_DISP->non_spec_ncq_error(mvi); if (stat & CINT_SRS) mvs_int_sata(mvi); mw32(MVS_INT_STAT, stat); } static inline void mvs_start_delivery(struct mvs_info *mvi, u32 tx) { void __iomem *regs = mvi->regs; mw32(MVS_TX_PROD_IDX, tx); } static inline u32 mvs_rx_update(struct mvs_info *mvi) { void __iomem *regs = mvi->regs; return mr32(MVS_RX_CONS_IDX); } static inline u32 mvs_get_prd_size(void) { return sizeof(struct mvs_prd); } static inline u32 mvs_get_prd_count(void) { return MAX_SG_ENTRY; } static inline void mvs_show_pcie_usage(struct mvs_info *mvi) { u16 link_stat, link_spd; const char *spd[] = { "UnKnown", "2.5", "5.0", }; if (mvi->flags & MVF_FLAG_SOC || mvi->id > 0) return; pci_read_config_word(mvi->pdev, PCR_LINK_STAT, &link_stat); link_spd = (link_stat & PLS_LINK_SPD) >> PLS_LINK_SPD_OFFS; if (link_spd >= 3) link_spd = 0; dev_printk(KERN_INFO, mvi->dev, "mvsas: PCI-E x%u, Bandwidth Usage: %s Gbps\n", (link_stat & PLS_NEG_LINK_WD) >> PLS_NEG_LINK_WD_OFFS, spd[link_spd]); } static inline u32 mvs_hw_max_link_rate(void) { return MAX_LINK_RATE; } #endif /* _MV_CHIPS_H_ */