/drivers/scsi/mvsas/mv_94xx.h
C++ Header | 223 lines | 157 code | 29 blank | 37 comment | 3 complexity | 7501741f32c68fa73aeb5e1c37ce88bc MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 * Marvell 88SE94xx hardware specific head file
3 *
4 * Copyright 2007 Red Hat, Inc.
5 * Copyright 2008 Marvell. <kewei@marvell.com>
6 * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
7 *
8 * This file is licensed under GPLv2.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; version 2 of the
13 * License.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * USA
24*/
25
26#ifndef _MVS94XX_REG_H_
27#define _MVS94XX_REG_H_
28
29#include <linux/types.h>
30
31#define MAX_LINK_RATE SAS_LINK_RATE_6_0_GBPS
32
33enum hw_registers {
34 MVS_GBL_CTL = 0x04, /* global control */
35 MVS_GBL_INT_STAT = 0x00, /* global irq status */
36 MVS_GBL_PI = 0x0C, /* ports implemented bitmask */
37
38 MVS_PHY_CTL = 0x40, /* SOC PHY Control */
39 MVS_PORTS_IMP = 0x9C, /* SOC Port Implemented */
40
41 MVS_GBL_PORT_TYPE = 0xa0, /* port type */
42
43 MVS_CTL = 0x100, /* SAS/SATA port configuration */
44 MVS_PCS = 0x104, /* SAS/SATA port control/status */
45 MVS_CMD_LIST_LO = 0x108, /* cmd list addr */
46 MVS_CMD_LIST_HI = 0x10C,
47 MVS_RX_FIS_LO = 0x110, /* RX FIS list addr */
48 MVS_RX_FIS_HI = 0x114,
49 MVS_STP_REG_SET_0 = 0x118, /* STP/SATA Register Set Enable */
50 MVS_STP_REG_SET_1 = 0x11C,
51 MVS_TX_CFG = 0x120, /* TX configuration */
52 MVS_TX_LO = 0x124, /* TX (delivery) ring addr */
53 MVS_TX_HI = 0x128,
54
55 MVS_TX_PROD_IDX = 0x12C, /* TX producer pointer */
56 MVS_TX_CONS_IDX = 0x130, /* TX consumer pointer (RO) */
57 MVS_RX_CFG = 0x134, /* RX configuration */
58 MVS_RX_LO = 0x138, /* RX (completion) ring addr */
59 MVS_RX_HI = 0x13C,
60 MVS_RX_CONS_IDX = 0x140, /* RX consumer pointer (RO) */
61
62 MVS_INT_COAL = 0x148, /* Int coalescing config */
63 MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */
64 MVS_INT_STAT = 0x150, /* Central int status */
65 MVS_INT_MASK = 0x154, /* Central int enable */
66 MVS_INT_STAT_SRS_0 = 0x158, /* SATA register set status */
67 MVS_INT_MASK_SRS_0 = 0x15C,
68 MVS_INT_STAT_SRS_1 = 0x160,
69 MVS_INT_MASK_SRS_1 = 0x164,
70 MVS_NON_NCQ_ERR_0 = 0x168, /* SRS Non-specific NCQ Error */
71 MVS_NON_NCQ_ERR_1 = 0x16C,
72 MVS_CMD_ADDR = 0x170, /* Command register port (addr) */
73 MVS_CMD_DATA = 0x174, /* Command register port (data) */
74 MVS_MEM_PARITY_ERR = 0x178, /* Memory parity error */
75
76 /* ports 1-3 follow after this */
77 MVS_P0_INT_STAT = 0x180, /* port0 interrupt status */
78 MVS_P0_INT_MASK = 0x184, /* port0 interrupt mask */
79 /* ports 5-7 follow after this */
80 MVS_P4_INT_STAT = 0x1A0, /* Port4 interrupt status */
81 MVS_P4_INT_MASK = 0x1A4, /* Port4 interrupt enable mask */
82
83 /* ports 1-3 follow after this */
84 MVS_P0_SER_CTLSTAT = 0x1D0, /* port0 serial control/status */
85 /* ports 5-7 follow after this */
86 MVS_P4_SER_CTLSTAT = 0x1E0, /* port4 serial control/status */
87
88 /* ports 1-3 follow after this */
89 MVS_P0_CFG_ADDR = 0x200, /* port0 phy register address */
90 MVS_P0_CFG_DATA = 0x204, /* port0 phy register data */
91 /* ports 5-7 follow after this */
92 MVS_P4_CFG_ADDR = 0x220, /* Port4 config address */
93 MVS_P4_CFG_DATA = 0x224, /* Port4 config data */
94
95 /* phys 1-3 follow after this */
96 MVS_P0_VSR_ADDR = 0x250, /* phy0 VSR address */
97 MVS_P0_VSR_DATA = 0x254, /* phy0 VSR data */
98 /* phys 1-3 follow after this */
99 /* multiplexing */
100 MVS_P4_VSR_ADDR = 0x250, /* phy4 VSR address */
101 MVS_P4_VSR_DATA = 0x254, /* phy4 VSR data */
102 MVS_PA_VSR_ADDR = 0x290, /* All port VSR addr */
103 MVS_PA_VSR_PORT = 0x294, /* All port VSR data */
104};
105
106enum pci_cfg_registers {
107 PCR_PHY_CTL = 0x40,
108 PCR_PHY_CTL2 = 0x90,
109 PCR_DEV_CTRL = 0x78,
110 PCR_LINK_STAT = 0x82,
111};
112
113/* SAS/SATA Vendor Specific Port Registers */
114enum sas_sata_vsp_regs {
115 VSR_PHY_STAT = 0x00 * 4, /* Phy Status */
116 VSR_PHY_MODE1 = 0x01 * 4, /* phy tx */
117 VSR_PHY_MODE2 = 0x02 * 4, /* tx scc */
118 VSR_PHY_MODE3 = 0x03 * 4, /* pll */
119 VSR_PHY_MODE4 = 0x04 * 4, /* VCO */
120 VSR_PHY_MODE5 = 0x05 * 4, /* Rx */
121 VSR_PHY_MODE6 = 0x06 * 4, /* CDR */
122 VSR_PHY_MODE7 = 0x07 * 4, /* Impedance */
123 VSR_PHY_MODE8 = 0x08 * 4, /* Voltage */
124 VSR_PHY_MODE9 = 0x09 * 4, /* Test */
125 VSR_PHY_MODE10 = 0x0A * 4, /* Power */
126 VSR_PHY_MODE11 = 0x0B * 4, /* Phy Mode */
127 VSR_PHY_VS0 = 0x0C * 4, /* Vednor Specific 0 */
128 VSR_PHY_VS1 = 0x0D * 4, /* Vednor Specific 1 */
129};
130
131enum chip_register_bits {
132 PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8),
133 PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8),
134 PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (12),
135 PHY_NEG_SPP_PHYS_LINK_RATE_MASK =
136 (0x3 << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET),
137};
138
139enum pci_interrupt_cause {
140 /* MAIN_IRQ_CAUSE (R10200) Bits*/
141 IRQ_COM_IN_I2O_IOP0 = (1 << 0),
142 IRQ_COM_IN_I2O_IOP1 = (1 << 1),
143 IRQ_COM_IN_I2O_IOP2 = (1 << 2),
144 IRQ_COM_IN_I2O_IOP3 = (1 << 3),
145 IRQ_COM_OUT_I2O_HOS0 = (1 << 4),
146 IRQ_COM_OUT_I2O_HOS1 = (1 << 5),
147 IRQ_COM_OUT_I2O_HOS2 = (1 << 6),
148 IRQ_COM_OUT_I2O_HOS3 = (1 << 7),
149 IRQ_PCIF_TO_CPU_DRBL0 = (1 << 8),
150 IRQ_PCIF_TO_CPU_DRBL1 = (1 << 9),
151 IRQ_PCIF_TO_CPU_DRBL2 = (1 << 10),
152 IRQ_PCIF_TO_CPU_DRBL3 = (1 << 11),
153 IRQ_PCIF_DRBL0 = (1 << 12),
154 IRQ_PCIF_DRBL1 = (1 << 13),
155 IRQ_PCIF_DRBL2 = (1 << 14),
156 IRQ_PCIF_DRBL3 = (1 << 15),
157 IRQ_XOR_A = (1 << 16),
158 IRQ_XOR_B = (1 << 17),
159 IRQ_SAS_A = (1 << 18),
160 IRQ_SAS_B = (1 << 19),
161 IRQ_CPU_CNTRL = (1 << 20),
162 IRQ_GPIO = (1 << 21),
163 IRQ_UART = (1 << 22),
164 IRQ_SPI = (1 << 23),
165 IRQ_I2C = (1 << 24),
166 IRQ_SGPIO = (1 << 25),
167 IRQ_COM_ERR = (1 << 29),
168 IRQ_I2O_ERR = (1 << 30),
169 IRQ_PCIE_ERR = (1 << 31),
170};
171
172#define MAX_SG_ENTRY 255
173
174struct mvs_prd_imt {
175 __le32 len:22;
176 u8 _r_a:2;
177 u8 misc_ctl:4;
178 u8 inter_sel:4;
179};
180
181struct mvs_prd {
182 /* 64-bit buffer address */
183 __le64 addr;
184 /* 22-bit length */
185 struct mvs_prd_imt im_len;
186} __attribute__ ((packed));
187
188#define SPI_CTRL_REG_94XX 0xc800
189#define SPI_ADDR_REG_94XX 0xc804
190#define SPI_WR_DATA_REG_94XX 0xc808
191#define SPI_RD_DATA_REG_94XX 0xc80c
192#define SPI_CTRL_READ_94XX (1U << 2)
193#define SPI_ADDR_VLD_94XX (1U << 1)
194#define SPI_CTRL_SpiStart_94XX (1U << 0)
195
196#define mv_ffc(x) ffz(x)
197
198static inline int
199mv_ffc64(u64 v)
200{
201 int i;
202 i = mv_ffc((u32)v);
203 if (i >= 0)
204 return i;
205 i = mv_ffc((u32)(v>>32));
206
207 if (i != 0)
208 return 32 + i;
209
210 return -1;
211}
212
213#define r_reg_set_enable(i) \
214 (((i) > 31) ? mr32(MVS_STP_REG_SET_1) : \
215 mr32(MVS_STP_REG_SET_0))
216
217#define w_reg_set_enable(i, tmp) \
218 (((i) > 31) ? mw32(MVS_STP_REG_SET_1, tmp) : \
219 mw32(MVS_STP_REG_SET_0, tmp))
220
221extern const struct mvs_dispatch mvs_94xx_dispatch;
222#endif
223