aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/mvsas/mv_94xx.h
blob: 487aa6f974122a801aeb86507813a923be8e3012 (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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
/*
 * Marvell 88SE94xx hardware specific head file
 *
 * 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 _MVS94XX_REG_H_
#define _MVS94XX_REG_H_

#include <linux/types.h>

#define MAX_LINK_RATE		SAS_LINK_RATE_6_0_GBPS

enum VANIR_REVISION_ID {
	VANIR_A0_REV		= 0xA0,
	VANIR_B0_REV		= 0x01,
	VANIR_C0_REV		= 0x02,
	VANIR_C1_REV		= 0x03,
	VANIR_C2_REV		= 0xC2,
};

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 */
	MVS_COMMAND_ACTIVE	= 0x300,
};

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 Interrupt Status */
	VSR_PHY_MODE1		= 0x01 * 4, /* phy Interrupt Enable */
	VSR_PHY_MODE2		= 0x02 * 4, /* Phy Configuration */
	VSR_PHY_MODE3		= 0x03 * 4, /* Phy Status */
	VSR_PHY_MODE4		= 0x04 * 4, /* Phy Counter 0 */
	VSR_PHY_MODE5		= 0x05 * 4, /* Phy Counter 1 */
	VSR_PHY_MODE6		= 0x06 * 4, /* Event Counter Control */
	VSR_PHY_MODE7		= 0x07 * 4, /* Event Counter Select */
	VSR_PHY_MODE8		= 0x08 * 4, /* Event Counter 0 */
	VSR_PHY_MODE9		= 0x09 * 4, /* Event Counter 1 */
	VSR_PHY_MODE10		= 0x0A * 4, /* Event Counter 2 */
	VSR_PHY_MODE11		= 0x0B * 4, /* Event Counter 3 */
	VSR_PHY_ACT_LED		= 0x0C * 4, /* Activity LED control */

	VSR_PHY_FFE_CONTROL	= 0x10C,
	VSR_PHY_DFE_UPDATE_CRTL	= 0x110,
	VSR_REF_CLOCK_CRTL	= 0x1A0,
};

enum chip_register_bits {
	PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8),
	PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0x7 << 12),
	PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16),
	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),
};

union reg_phy_cfg {
	u32 v;
	struct {
		u32 phy_reset:1;
		u32 sas_support:1;
		u32 sata_support:1;
		u32 sata_host_mode:1;
		/*
		 * bit 2: 6Gbps support
		 * bit 1: 3Gbps support
		 * bit 0: 1.5Gbps support
		 */
		u32 speed_support:3;
		u32 snw_3_support:1;
		u32 tx_lnk_parity:1;
		/*
		 * bit 5: G1 (1.5Gbps) Without SSC
		 * bit 4: G1 (1.5Gbps) with SSC
		 * bit 3: G2 (3.0Gbps) Without SSC
		 * bit 2: G2 (3.0Gbps) with SSC
		 * bit 1: G3 (6.0Gbps) without SSC
		 * bit 0: G3 (6.0Gbps) with SSC
		 */
		u32 tx_spt_phs_lnk_rate:6;
		/* 8h: 1.5Gbps 9h: 3Gbps Ah: 6Gbps */
		u32 tx_lgcl_lnk_rate:4;
		u32 tx_ssc_type:1;
		u32 sata_spin_up_spt:1;
		u32 sata_spin_up_en:1;
		u32 bypass_oob:1;
		u32 disable_phy:1;
		u32 rsvd:8;
	} u;
};

#define MAX_SG_ENTRY		255

struct mvs_prd_imt {
#ifndef __BIG_ENDIAN
	__le32			len:22;
	u8			_r_a:2;
	u8			misc_ctl:4;
	u8			inter_sel:4;
#else
	u32			inter_sel:4;
	u32			misc_ctl:4;
	u32			_r_a:2;
	u32			len:22;
#endif
};

struct mvs_prd {
	/* 64-bit buffer address */
	__le64			addr;
	/* 22-bit length */
	__le32			im_len;
} __attribute__ ((packed));

/*
 * these registers are accessed through port vendor
 * specific address/data registers
 */
enum sas_sata_phy_regs {
	GENERATION_1_SETTING		= 0x118,
	GENERATION_1_2_SETTING		= 0x11C,
	GENERATION_2_3_SETTING		= 0x120,
	GENERATION_3_4_SETTING		= 0x124,
};

#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)

static inline int
mv_ffc64(u64 v)
{
	u64 x = ~v;
	return x ? __ffs64(x) : -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