summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/mvsas/mv_94xx.h
blob: 23ed9b164669458fa2d544536a9e17fbb333df6a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/*
 * Marvell 88SE94xx hardware specific head file
 *
 * Copyright 2007 Red Hat, Inc.
 * Copyright 2008 Marvell. <kewei@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 _MVS94XX_REG_H_
#define _MVS94XX_REG_H_

#include <linux/types.h>

#define MAX_LINK_RATE		SAS_LINK_RATE_6_0_GBPS

enum hw_registers {
	MVS_GBL_CTL		= 0x04,  /* global control */
	MVS_GBL_INT_STAT	= 0x00,  /* global irq status */
	MVS_GBL_PI		= 0x0C,  /* ports implemented bitmask */

	MVS_PHY_CTL		= 0x40,  /* SOC PHY Control */
	MVS_PORTS_IMP		= 0x9C,  /* SOC Port Implemented */

	MVS_GBL_PORT_TYPE	= 0xa0,  /* port type */

	MVS_CTL			= 0x100, /* SAS/SATA port configuration */
	MVS_PCS			= 0x104, /* SAS/SATA port control/status */
	MVS_CMD_LIST_LO		= 0x108, /* cmd list addr */
	MVS_CMD_LIST_HI		= 0x10C,
	MVS_RX_FIS_LO		= 0x110, /* RX FIS list addr */
	MVS_RX_FIS_HI		= 0x114,
	MVS_STP_REG_SET_0	= 0x118, /* STP/SATA Register Set Enable */
	MVS_STP_REG_SET_1	= 0x11C,
	MVS_TX_CFG		= 0x120, /* TX configuration */
	MVS_TX_LO		= 0x124, /* TX (delivery) ring addr */
	MVS_TX_HI		= 0x128,

	MVS_TX_PROD_IDX		= 0x12C, /* TX producer pointer */
	MVS_TX_CONS_IDX		= 0x130, /* TX consumer pointer (RO) */
	MVS_RX_CFG		= 0x134, /* RX configuration */
	MVS_RX_LO		= 0x138, /* RX (completion) ring addr */
	MVS_RX_HI		= 0x13C,
	MVS_RX_CONS_IDX		= 0x140, /* RX consumer pointer (RO) */

	MVS_INT_COAL		= 0x148, /* Int coalescing config */
	MVS_INT_COAL_TMOUT	= 0x14C, /* Int coalescing timeout */
	MVS_INT_STAT		= 0x150, /* Central int status */
	MVS_INT_MASK		= 0x154, /* Central int enable */
	MVS_INT_STAT_SRS_0	= 0x158, /* SATA register set status */
	MVS_INT_MASK_SRS_0	= 0x15C,
	MVS_INT_STAT_SRS_1	= 0x160,
	MVS_INT_MASK_SRS_1	= 0x164,
	MVS_NON_NCQ_ERR_0	= 0x168, /* SRS Non-specific NCQ Error */
	MVS_NON_NCQ_ERR_1	= 0x16C,
	MVS_CMD_ADDR		= 0x170, /* Command register port (addr) */
	MVS_CMD_DATA		= 0x174, /* Command register port (data) */
	MVS_MEM_PARITY_ERR	= 0x178, /* Memory parity error */

					 /* ports 1-3 follow after this */
	MVS_P0_INT_STAT		= 0x180, /* port0 interrupt status */
	MVS_P0_INT_MASK		= 0x184, /* port0 interrupt mask */
					 /* ports 5-7 follow after this */
	MVS_P4_INT_STAT		= 0x1A0, /* Port4 interrupt status */
	MVS_P4_INT_MASK		= 0x1A4, /* Port4 interrupt enable mask */

					 /* ports 1-3 follow after this */
	MVS_P0_SER_CTLSTAT	= 0x1D0, /* port0 serial control/status */
					 /* ports 5-7 follow after this */
	MVS_P4_SER_CTLSTAT	= 0x1E0, /* port4 serial control/status */

					 /* ports 1-3 follow after this */
	MVS_P0_CFG_ADDR		= 0x200, /* port0 phy register address */
	MVS_P0_CFG_DATA		= 0x204, /* port0 phy register data */
					 /* ports 5-7 follow after this */
	MVS_P4_CFG_ADDR		= 0x220, /* Port4 config address */
	MVS_P4_CFG_DATA		= 0x224, /* Port4 config data */

					 /* phys 1-3 follow after this */
	MVS_P0_VSR_ADDR		= 0x250, /* phy0 VSR address */
	MVS_P0_VSR_DATA		= 0x254, /* phy0 VSR data */
					 /* phys 1-3 follow after this */
					 /* multiplexing */
	MVS_P4_VSR_ADDR 	= 0x250, /* phy4 VSR address */
	MVS_P4_VSR_DATA 	= 0x254, /* phy4 VSR data */
	MVS_PA_VSR_ADDR		= 0x290, /* All port VSR addr */
	MVS_PA_VSR_PORT		= 0x294, /* All port VSR data */
};

enum pci_cfg_registers {
	PCR_PHY_CTL		= 0x40,
	PCR_PHY_CTL2		= 0x90,
	PCR_DEV_CTRL		= 0x78,
	PCR_LINK_STAT		= 0x82,
};

/*  SAS/SATA Vendor Specific Port Registers */
enum sas_sata_vsp_regs {
	VSR_PHY_STAT		= 0x00 * 4, /* Phy Status */
	VSR_PHY_MODE1		= 0x01 * 4, /* phy tx */
	VSR_PHY_MODE2		= 0x02 * 4, /* tx scc */
	VSR_PHY_MODE3		= 0x03 * 4, /* pll */
	VSR_PHY_MODE4		= 0x04 * 4, /* VCO */
	VSR_PHY_MODE5		= 0x05 * 4, /* Rx */
	VSR_PHY_MODE6		= 0x06 * 4, /* CDR */
	VSR_PHY_MODE7		= 0x07 * 4, /* Impedance */
	VSR_PHY_MODE8		= 0x08 * 4, /* Voltage */
	VSR_PHY_MODE9		= 0x09 * 4, /* Test */
	VSR_PHY_MODE10		= 0x0A * 4, /* Power */
	VSR_PHY_MODE11		= 0x0B * 4, /* Phy Mode */
	VSR_PHY_VS0		= 0x0C * 4, /* Vednor Specific 0 */
	VSR_PHY_VS1		= 0x0D * 4, /* Vednor Specific 1 */
};

enum chip_register_bits {
	PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8),
	PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8),
	PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (12),
	PHY_NEG_SPP_PHYS_LINK_RATE_MASK =
			(0x3 << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET),
};

enum pci_interrupt_cause {
	/*  MAIN_IRQ_CAUSE (R10200) Bits*/
	IRQ_COM_IN_I2O_IOP0            = (1 << 0),
	IRQ_COM_IN_I2O_IOP1            = (1 << 1),
	IRQ_COM_IN_I2O_IOP2            = (1 << 2),
	IRQ_COM_IN_I2O_IOP3            = (1 << 3),
	IRQ_COM_OUT_I2O_HOS0           = (1 << 4),
	IRQ_COM_OUT_I2O_HOS1           = (1 << 5),
	IRQ_COM_OUT_I2O_HOS2           = (1 << 6),
	IRQ_COM_OUT_I2O_HOS3           = (1 << 7),
	IRQ_PCIF_TO_CPU_DRBL0          = (1 << 8),
	IRQ_PCIF_TO_CPU_DRBL1          = (1 << 9),
	IRQ_PCIF_TO_CPU_DRBL2          = (1 << 10),
	IRQ_PCIF_TO_CPU_DRBL3          = (1 << 11),
	IRQ_PCIF_DRBL0                 = (1 << 12),
	IRQ_PCIF_DRBL1                 = (1 << 13),
	IRQ_PCIF_DRBL2                 = (1 << 14),
	IRQ_PCIF_DRBL3                 = (1 << 15),
	IRQ_XOR_A                      = (1 << 16),
	IRQ_XOR_B                      = (1 << 17),
	IRQ_SAS_A                      = (1 << 18),
	IRQ_SAS_B                      = (1 << 19),
	IRQ_CPU_CNTRL                  = (1 << 20),
	IRQ_GPIO                       = (1 << 21),
	IRQ_UART                       = (1 << 22),
	IRQ_SPI                        = (1 << 23),
	IRQ_I2C                        = (1 << 24),
	IRQ_SGPIO                      = (1 << 25),
	IRQ_COM_ERR                    = (1 << 29),
	IRQ_I2O_ERR                    = (1 << 30),
	IRQ_PCIE_ERR                   = (1 << 31),
};

#define MAX_SG_ENTRY		255

struct mvs_prd_imt {
	__le32			len:22;
	u8			_r_a:2;
	u8			misc_ctl:4;
	u8			inter_sel:4;
};

struct mvs_prd {
	/* 64-bit buffer address */
	__le64			addr;
	/* 22-bit length */
	struct mvs_prd_imt	im_len;
} __attribute__ ((packed));

#define SPI_CTRL_REG_94XX           	0xc800
#define SPI_ADDR_REG_94XX            	0xc804
#define SPI_WR_DATA_REG_94XX         0xc808
#define SPI_RD_DATA_REG_94XX         	0xc80c
#define SPI_CTRL_READ_94XX         	(1U << 2)
#define SPI_ADDR_VLD_94XX         	(1U << 1)
#define SPI_CTRL_SpiStart_94XX     	(1U << 0)

#define mv_ffc(x)   ffz(x)

static inline int
mv_ffc64(u64 v)
{
	int i;
	i = mv_ffc((u32)v);
	if (i >= 0)
		return i;
	i = mv_ffc((u32)(v>>32));

	if (i != 0)
		return 32 + i;

	return -1;
}

#define r_reg_set_enable(i) \
	(((i) > 31) ? mr32(MVS_STP_REG_SET_1) : \
	mr32(MVS_STP_REG_SET_0))

#define w_reg_set_enable(i, tmp) \
	(((i) > 31) ? mw32(MVS_STP_REG_SET_1, tmp) : \
	mw32(MVS_STP_REG_SET_0, tmp))

extern const struct mvs_dispatch mvs_94xx_dispatch;
#endif