xref: /openbmc/linux/drivers/scsi/mvsas/mv_64xx.h (revision 2a598d0b)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Marvell 88SE64xx 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 _MVS64XX_REG_H_
11 #define _MVS64XX_REG_H_
12 
13 #include <linux/types.h>
14 
15 #define MAX_LINK_RATE		SAS_LINK_RATE_3_0_GBPS
16 
17 /* enhanced mode registers (BAR4) */
18 enum hw_registers {
19 	MVS_GBL_CTL		= 0x04,  /* global control */
20 	MVS_GBL_INT_STAT	= 0x08,  /* global irq status */
21 	MVS_GBL_PI		= 0x0C,  /* ports implemented bitmask */
22 
23 	MVS_PHY_CTL		= 0x40,  /* SOC PHY Control */
24 	MVS_PORTS_IMP		= 0x9C,  /* SOC Port Implemented */
25 
26 	MVS_GBL_PORT_TYPE	= 0xa0,  /* port type */
27 
28 	MVS_CTL			= 0x100, /* SAS/SATA port configuration */
29 	MVS_PCS			= 0x104, /* SAS/SATA port control/status */
30 	MVS_CMD_LIST_LO		= 0x108, /* cmd list addr */
31 	MVS_CMD_LIST_HI		= 0x10C,
32 	MVS_RX_FIS_LO		= 0x110, /* RX FIS list addr */
33 	MVS_RX_FIS_HI		= 0x114,
34 
35 	MVS_TX_CFG		= 0x120, /* TX configuration */
36 	MVS_TX_LO		= 0x124, /* TX (delivery) ring addr */
37 	MVS_TX_HI		= 0x128,
38 
39 	MVS_TX_PROD_IDX		= 0x12C, /* TX producer pointer */
40 	MVS_TX_CONS_IDX		= 0x130, /* TX consumer pointer (RO) */
41 	MVS_RX_CFG		= 0x134, /* RX configuration */
42 	MVS_RX_LO		= 0x138, /* RX (completion) ring addr */
43 	MVS_RX_HI		= 0x13C,
44 	MVS_RX_CONS_IDX		= 0x140, /* RX consumer pointer (RO) */
45 
46 	MVS_INT_COAL		= 0x148, /* Int coalescing config */
47 	MVS_INT_COAL_TMOUT	= 0x14C, /* Int coalescing timeout */
48 	MVS_INT_STAT		= 0x150, /* Central int status */
49 	MVS_INT_MASK		= 0x154, /* Central int enable */
50 	MVS_INT_STAT_SRS_0	= 0x158, /* SATA register set status */
51 	MVS_INT_MASK_SRS_0	= 0x15C,
52 
53 					 /* ports 1-3 follow after this */
54 	MVS_P0_INT_STAT		= 0x160, /* port0 interrupt status */
55 	MVS_P0_INT_MASK		= 0x164, /* port0 interrupt mask */
56 					 /* ports 5-7 follow after this */
57 	MVS_P4_INT_STAT		= 0x200, /* Port4 interrupt status */
58 	MVS_P4_INT_MASK		= 0x204, /* Port4 interrupt enable mask */
59 
60 					 /* ports 1-3 follow after this */
61 	MVS_P0_SER_CTLSTAT	= 0x180, /* port0 serial control/status */
62 					 /* ports 5-7 follow after this */
63 	MVS_P4_SER_CTLSTAT	= 0x220, /* port4 serial control/status */
64 
65 	MVS_CMD_ADDR		= 0x1B8, /* Command register port (addr) */
66 	MVS_CMD_DATA		= 0x1BC, /* Command register port (data) */
67 
68 					 /* ports 1-3 follow after this */
69 	MVS_P0_CFG_ADDR		= 0x1C0, /* port0 phy register address */
70 	MVS_P0_CFG_DATA		= 0x1C4, /* port0 phy register data */
71 					 /* ports 5-7 follow after this */
72 	MVS_P4_CFG_ADDR		= 0x230, /* Port4 config address */
73 	MVS_P4_CFG_DATA		= 0x234, /* Port4 config data */
74 
75 					 /* ports 1-3 follow after this */
76 	MVS_P0_VSR_ADDR		= 0x1E0, /* port0 VSR address */
77 	MVS_P0_VSR_DATA		= 0x1E4, /* port0 VSR data */
78 					 /* ports 5-7 follow after this */
79 	MVS_P4_VSR_ADDR		= 0x250, /* port4 VSR addr */
80 	MVS_P4_VSR_DATA		= 0x254, /* port4 VSR data */
81 };
82 
83 enum pci_cfg_registers {
84 	PCR_PHY_CTL		= 0x40,
85 	PCR_PHY_CTL2		= 0x90,
86 	PCR_DEV_CTRL		= 0xE8,
87 	PCR_LINK_STAT		= 0xF2,
88 };
89 
90 /*  SAS/SATA Vendor Specific Port Registers */
91 enum sas_sata_vsp_regs {
92 	VSR_PHY_STAT		= 0x00, /* Phy Status */
93 	VSR_PHY_MODE1		= 0x01, /* phy tx */
94 	VSR_PHY_MODE2		= 0x02, /* tx scc */
95 	VSR_PHY_MODE3		= 0x03, /* pll */
96 	VSR_PHY_MODE4		= 0x04, /* VCO */
97 	VSR_PHY_MODE5		= 0x05, /* Rx */
98 	VSR_PHY_MODE6		= 0x06, /* CDR */
99 	VSR_PHY_MODE7		= 0x07, /* Impedance */
100 	VSR_PHY_MODE8		= 0x08, /* Voltage */
101 	VSR_PHY_MODE9		= 0x09, /* Test */
102 	VSR_PHY_MODE10		= 0x0A, /* Power */
103 	VSR_PHY_MODE11		= 0x0B, /* Phy Mode */
104 	VSR_PHY_VS0		= 0x0C, /* Vednor Specific 0 */
105 	VSR_PHY_VS1		= 0x0D, /* Vednor Specific 1 */
106 };
107 
108 enum chip_register_bits {
109 	PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0xF << 8),
110 	PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0xF << 12),
111 	PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16),
112 	PHY_NEG_SPP_PHYS_LINK_RATE_MASK =
113 			(0xF << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET),
114 };
115 
116 #define MAX_SG_ENTRY		64
117 
118 struct mvs_prd {
119 	__le64			addr;		/* 64-bit buffer address */
120 	__le32			reserved;
121 	__le32			len;		/* 16-bit length */
122 };
123 
124 #define SPI_CTRL_REG				0xc0
125 #define SPI_CTRL_VENDOR_ENABLE		(1U<<29)
126 #define SPI_CTRL_SPIRDY         		(1U<<22)
127 #define SPI_CTRL_SPISTART			(1U<<20)
128 
129 #define SPI_CMD_REG		0xc4
130 #define SPI_DATA_REG		0xc8
131 
132 #define SPI_CTRL_REG_64XX		0x10
133 #define SPI_CMD_REG_64XX		0x14
134 #define SPI_DATA_REG_64XX		0x18
135 
136 #endif
137