1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Marvell 88SE94xx hardware specific head file
4 *
5 * Copyright 2007 Red Hat, Inc.
6 * Copyright 2008 Marvell. <kewei@marvell.com>
7 * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
8*/
9
10#ifndef _MVS94XX_REG_H_
11#define _MVS94XX_REG_H_
12
13#include <linux/types.h>
14
15#define MAX_LINK_RATE SAS_LINK_RATE_6_0_GBPS
16
17enum VANIR_REVISION_ID {
18 VANIR_A0_REV = 0xA0,
19 VANIR_B0_REV = 0x01,
20 VANIR_C0_REV = 0x02,
21 VANIR_C1_REV = 0x03,
22 VANIR_C2_REV = 0xC2,
23};
24
25enum host_registers {
26 MVS_HST_CHIP_CONFIG = 0x10104, /* chip configuration */
27};
28
29enum hw_registers {
30 MVS_GBL_CTL = 0x04, /* global control */
31 MVS_GBL_INT_STAT = 0x00, /* global irq status */
32 MVS_GBL_PI = 0x0C, /* ports implemented bitmask */
33
34 MVS_PHY_CTL = 0x40, /* SOC PHY Control */
35 MVS_PORTS_IMP = 0x9C, /* SOC Port Implemented */
36
37 MVS_GBL_PORT_TYPE = 0xa0, /* port type */
38
39 MVS_CTL = 0x100, /* SAS/SATA port configuration */
40 MVS_PCS = 0x104, /* SAS/SATA port control/status */
41 MVS_CMD_LIST_LO = 0x108, /* cmd list addr */
42 MVS_CMD_LIST_HI = 0x10C,
43 MVS_RX_FIS_LO = 0x110, /* RX FIS list addr */
44 MVS_RX_FIS_HI = 0x114,
45 MVS_STP_REG_SET_0 = 0x118, /* STP/SATA Register Set Enable */
46 MVS_STP_REG_SET_1 = 0x11C,
47 MVS_TX_CFG = 0x120, /* TX configuration */
48 MVS_TX_LO = 0x124, /* TX (delivery) ring addr */
49 MVS_TX_HI = 0x128,
50
51 MVS_TX_PROD_IDX = 0x12C, /* TX producer pointer */
52 MVS_TX_CONS_IDX = 0x130, /* TX consumer pointer (RO) */
53 MVS_RX_CFG = 0x134, /* RX configuration */
54 MVS_RX_LO = 0x138, /* RX (completion) ring addr */
55 MVS_RX_HI = 0x13C,
56 MVS_RX_CONS_IDX = 0x140, /* RX consumer pointer (RO) */
57
58 MVS_INT_COAL = 0x148, /* Int coalescing config */
59 MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */
60 MVS_INT_STAT = 0x150, /* Central int status */
61 MVS_INT_MASK = 0x154, /* Central int enable */
62 MVS_INT_STAT_SRS_0 = 0x158, /* SATA register set status */
63 MVS_INT_MASK_SRS_0 = 0x15C,
64 MVS_INT_STAT_SRS_1 = 0x160,
65 MVS_INT_MASK_SRS_1 = 0x164,
66 MVS_NON_NCQ_ERR_0 = 0x168, /* SRS Non-specific NCQ Error */
67 MVS_NON_NCQ_ERR_1 = 0x16C,
68 MVS_CMD_ADDR = 0x170, /* Command register port (addr) */
69 MVS_CMD_DATA = 0x174, /* Command register port (data) */
70 MVS_MEM_PARITY_ERR = 0x178, /* Memory parity error */
71
72 /* ports 1-3 follow after this */
73 MVS_P0_INT_STAT = 0x180, /* port0 interrupt status */
74 MVS_P0_INT_MASK = 0x184, /* port0 interrupt mask */
75 /* ports 5-7 follow after this */
76 MVS_P4_INT_STAT = 0x1A0, /* Port4 interrupt status */
77 MVS_P4_INT_MASK = 0x1A4, /* Port4 interrupt enable mask */
78
79 /* ports 1-3 follow after this */
80 MVS_P0_SER_CTLSTAT = 0x1D0, /* port0 serial control/status */
81 /* ports 5-7 follow after this */
82 MVS_P4_SER_CTLSTAT = 0x1E0, /* port4 serial control/status */
83
84 /* ports 1-3 follow after this */
85 MVS_P0_CFG_ADDR = 0x200, /* port0 phy register address */
86 MVS_P0_CFG_DATA = 0x204, /* port0 phy register data */
87 /* ports 5-7 follow after this */
88 MVS_P4_CFG_ADDR = 0x220, /* Port4 config address */
89 MVS_P4_CFG_DATA = 0x224, /* Port4 config data */
90
91 /* phys 1-3 follow after this */
92 MVS_P0_VSR_ADDR = 0x250, /* phy0 VSR address */
93 MVS_P0_VSR_DATA = 0x254, /* phy0 VSR data */
94 /* phys 1-3 follow after this */
95 /* multiplexing */
96 MVS_P4_VSR_ADDR = 0x250, /* phy4 VSR address */
97 MVS_P4_VSR_DATA = 0x254, /* phy4 VSR data */
98 MVS_PA_VSR_ADDR = 0x290, /* All port VSR addr */
99 MVS_PA_VSR_PORT = 0x294, /* All port VSR data */
100 MVS_COMMAND_ACTIVE = 0x300,
101};
102
103enum pci_cfg_registers {
104 PCR_PHY_CTL = 0x40,
105 PCR_PHY_CTL2 = 0x90,
106 PCR_DEV_CTRL = 0x78,
107 PCR_LINK_STAT = 0x82,
108};
109
110/* SAS/SATA Vendor Specific Port Registers */
111enum sas_sata_vsp_regs {
112 VSR_PHY_STAT = 0x00 * 4, /* Phy Interrupt Status */
113 VSR_PHY_MODE1 = 0x01 * 4, /* phy Interrupt Enable */
114 VSR_PHY_MODE2 = 0x02 * 4, /* Phy Configuration */
115 VSR_PHY_MODE3 = 0x03 * 4, /* Phy Status */
116 VSR_PHY_MODE4 = 0x04 * 4, /* Phy Counter 0 */
117 VSR_PHY_MODE5 = 0x05 * 4, /* Phy Counter 1 */
118 VSR_PHY_MODE6 = 0x06 * 4, /* Event Counter Control */
119 VSR_PHY_MODE7 = 0x07 * 4, /* Event Counter Select */
120 VSR_PHY_MODE8 = 0x08 * 4, /* Event Counter 0 */
121 VSR_PHY_MODE9 = 0x09 * 4, /* Event Counter 1 */
122 VSR_PHY_MODE10 = 0x0A * 4, /* Event Counter 2 */
123 VSR_PHY_MODE11 = 0x0B * 4, /* Event Counter 3 */
124 VSR_PHY_ACT_LED = 0x0C * 4, /* Activity LED control */
125
126 VSR_PHY_FFE_CONTROL = 0x10C,
127 VSR_PHY_DFE_UPDATE_CRTL = 0x110,
128 VSR_REF_CLOCK_CRTL = 0x1A0,
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 << 12),
134 PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16),
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 MVS_IRQ_COM_IN_I2O_IOP0 = (1 << 0),
142 MVS_IRQ_COM_IN_I2O_IOP1 = (1 << 1),
143 MVS_IRQ_COM_IN_I2O_IOP2 = (1 << 2),
144 MVS_IRQ_COM_IN_I2O_IOP3 = (1 << 3),
145 MVS_IRQ_COM_OUT_I2O_HOS0 = (1 << 4),
146 MVS_IRQ_COM_OUT_I2O_HOS1 = (1 << 5),
147 MVS_IRQ_COM_OUT_I2O_HOS2 = (1 << 6),
148 MVS_IRQ_COM_OUT_I2O_HOS3 = (1 << 7),
149 MVS_IRQ_PCIF_TO_CPU_DRBL0 = (1 << 8),
150 MVS_IRQ_PCIF_TO_CPU_DRBL1 = (1 << 9),
151 MVS_IRQ_PCIF_TO_CPU_DRBL2 = (1 << 10),
152 MVS_IRQ_PCIF_TO_CPU_DRBL3 = (1 << 11),
153 MVS_IRQ_PCIF_DRBL0 = (1 << 12),
154 MVS_IRQ_PCIF_DRBL1 = (1 << 13),
155 MVS_IRQ_PCIF_DRBL2 = (1 << 14),
156 MVS_IRQ_PCIF_DRBL3 = (1 << 15),
157 MVS_IRQ_XOR_A = (1 << 16),
158 MVS_IRQ_XOR_B = (1 << 17),
159 MVS_IRQ_SAS_A = (1 << 18),
160 MVS_IRQ_SAS_B = (1 << 19),
161 MVS_IRQ_CPU_CNTRL = (1 << 20),
162 MVS_IRQ_GPIO = (1 << 21),
163 MVS_IRQ_UART = (1 << 22),
164 MVS_IRQ_SPI = (1 << 23),
165 MVS_IRQ_I2C = (1 << 24),
166 MVS_IRQ_SGPIO = (1 << 25),
167 MVS_IRQ_COM_ERR = (1 << 29),
168 MVS_IRQ_I2O_ERR = (1 << 30),
169 MVS_IRQ_PCIE_ERR = (1 << 31),
170};
171
172union reg_phy_cfg {
173 u32 v;
174 struct {
175 u32 phy_reset:1;
176 u32 sas_support:1;
177 u32 sata_support:1;
178 u32 sata_host_mode:1;
179 /*
180 * bit 2: 6Gbps support
181 * bit 1: 3Gbps support
182 * bit 0: 1.5Gbps support
183 */
184 u32 speed_support:3;
185 u32 snw_3_support:1;
186 u32 tx_lnk_parity:1;
187 /*
188 * bit 5: G1 (1.5Gbps) Without SSC
189 * bit 4: G1 (1.5Gbps) with SSC
190 * bit 3: G2 (3.0Gbps) Without SSC
191 * bit 2: G2 (3.0Gbps) with SSC
192 * bit 1: G3 (6.0Gbps) without SSC
193 * bit 0: G3 (6.0Gbps) with SSC
194 */
195 u32 tx_spt_phs_lnk_rate:6;
196 /* 8h: 1.5Gbps 9h: 3Gbps Ah: 6Gbps */
197 u32 tx_lgcl_lnk_rate:4;
198 u32 tx_ssc_type:1;
199 u32 sata_spin_up_spt:1;
200 u32 sata_spin_up_en:1;
201 u32 bypass_oob:1;
202 u32 disable_phy:1;
203 u32 rsvd:8;
204 } u;
205};
206
207#define MAX_SG_ENTRY 255
208
209struct mvs_prd_imt {
210#ifndef __BIG_ENDIAN
211 __le32 len:22;
212 u8 _r_a:2;
213 u8 misc_ctl:4;
214 u8 inter_sel:4;
215#else
216 u32 inter_sel:4;
217 u32 misc_ctl:4;
218 u32 _r_a:2;
219 u32 len:22;
220#endif
221};
222
223struct mvs_prd {
224 /* 64-bit buffer address */
225 __le64 addr;
226 /* 22-bit length */
227 __le32 im_len;
228} __attribute__ ((packed));
229
230enum sgpio_registers {
231 MVS_SGPIO_HOST_OFFSET = 0x100, /* offset between hosts */
232
233 MVS_SGPIO_CFG0 = 0xc200,
234 MVS_SGPIO_CFG0_ENABLE = (1 << 0), /* enable pins */
235 MVS_SGPIO_CFG0_BLINKB = (1 << 1), /* blink generators */
236 MVS_SGPIO_CFG0_BLINKA = (1 << 2),
237 MVS_SGPIO_CFG0_INVSCLK = (1 << 3), /* invert signal? */
238 MVS_SGPIO_CFG0_INVSLOAD = (1 << 4),
239 MVS_SGPIO_CFG0_INVSDOUT = (1 << 5),
240 MVS_SGPIO_CFG0_SLOAD_FALLEDGE = (1 << 6), /* rise/fall edge? */
241 MVS_SGPIO_CFG0_SDOUT_FALLEDGE = (1 << 7),
242 MVS_SGPIO_CFG0_SDIN_RISEEDGE = (1 << 8),
243 MVS_SGPIO_CFG0_MAN_BITLEN_SHIFT = 18, /* bits/frame manual mode */
244 MVS_SGPIO_CFG0_AUT_BITLEN_SHIFT = 24, /* bits/frame auto mode */
245
246 MVS_SGPIO_CFG1 = 0xc204, /* blink timing register */
247 MVS_SGPIO_CFG1_LOWA_SHIFT = 0, /* A off time */
248 MVS_SGPIO_CFG1_HIA_SHIFT = 4, /* A on time */
249 MVS_SGPIO_CFG1_LOWB_SHIFT = 8, /* B off time */
250 MVS_SGPIO_CFG1_HIB_SHIFT = 12, /* B on time */
251 MVS_SGPIO_CFG1_MAXACTON_SHIFT = 16, /* max activity on time */
252
253 /* force activity off time */
254 MVS_SGPIO_CFG1_FORCEACTOFF_SHIFT = 20,
255 /* stretch activity on time */
256 MVS_SGPIO_CFG1_STRCHACTON_SHIFT = 24,
257 /* stretch activiity off time */
258 MVS_SGPIO_CFG1_STRCHACTOFF_SHIFT = 28,
259
260
261 MVS_SGPIO_CFG2 = 0xc208, /* clock speed register */
262 MVS_SGPIO_CFG2_CLK_SHIFT = 0,
263 MVS_SGPIO_CFG2_BLINK_SHIFT = 20,
264
265 MVS_SGPIO_CTRL = 0xc20c, /* SDOUT/SDIN mode control */
266 MVS_SGPIO_CTRL_SDOUT_AUTO = 2,
267 MVS_SGPIO_CTRL_SDOUT_SHIFT = 2,
268
269 MVS_SGPIO_DSRC = 0xc220, /* map ODn bits to drives */
270
271 MVS_SGPIO_DCTRL = 0xc238,
272 MVS_SGPIO_DCTRL_ERR_SHIFT = 0,
273 MVS_SGPIO_DCTRL_LOC_SHIFT = 3,
274 MVS_SGPIO_DCTRL_ACT_SHIFT = 5,
275};
276
277enum sgpio_led_status {
278 LED_OFF = 0,
279 LED_ON = 1,
280 LED_BLINKA = 2,
281 LED_BLINKA_INV = 3,
282 LED_BLINKA_SOF = 4,
283 LED_BLINKA_EOF = 5,
284 LED_BLINKB = 6,
285 LED_BLINKB_INV = 7,
286};
287
288#define DEFAULT_SGPIO_BITS ((LED_BLINKA_SOF << \
289 MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 3) | \
290 (LED_BLINKA_SOF << \
291 MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 2) | \
292 (LED_BLINKA_SOF << \
293 MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 1) | \
294 (LED_BLINKA_SOF << \
295 MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 0))
296
297/*
298 * these registers are accessed through port vendor
299 * specific address/data registers
300 */
301enum sas_sata_phy_regs {
302 GENERATION_1_SETTING = 0x118,
303 GENERATION_1_2_SETTING = 0x11C,
304 GENERATION_2_3_SETTING = 0x120,
305 GENERATION_3_4_SETTING = 0x124,
306};
307
308#define SPI_CTRL_REG_94XX 0xc800
309#define SPI_ADDR_REG_94XX 0xc804
310#define SPI_WR_DATA_REG_94XX 0xc808
311#define SPI_RD_DATA_REG_94XX 0xc80c
312#define SPI_CTRL_READ_94XX (1U << 2)
313#define SPI_ADDR_VLD_94XX (1U << 1)
314#define SPI_CTRL_SpiStart_94XX (1U << 0)
315
316static inline int
317mv_ffc64(u64 v)
318{
319 u64 x = ~v;
320 return x ? __ffs64(word: x) : -1;
321}
322
323#define r_reg_set_enable(i) \
324 (((i) > 31) ? mr32(MVS_STP_REG_SET_1) : \
325 mr32(MVS_STP_REG_SET_0))
326
327#define w_reg_set_enable(i, tmp) \
328 (((i) > 31) ? mw32(MVS_STP_REG_SET_1, tmp) : \
329 mw32(MVS_STP_REG_SET_0, tmp))
330
331extern const struct mvs_dispatch mvs_94xx_dispatch;
332#endif
333
334

source code of linux/drivers/scsi/mvsas/mv_94xx.h