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1  /* SPDX-License-Identifier: GPL-2.0+ */
2  /*
3   * Copyright (C) 2011 Freescale Semiconductor, Inc.
4   * Author: Tang Yuantian <b29983@freescale.com>
5   */
6  
7  #ifndef SATA_SIL3132_H
8  #define SATA_SIL3132_H
9  
10  #define READ_CMD	0
11  #define WRITE_CMD	1
12  
13  /*
14   * SATA device driver struct for each dev
15   */
16  struct sil_sata {
17  	char	name[12];
18  	void	*port;	/* the port base address */
19  	int		lba48;
20  	u16		pio;
21  	u16		mwdma;
22  	u16		udma;
23  	pci_dev_t devno;
24  	int		wcache;
25  	int		flush;
26  	int		flush_ext;
27  };
28  
29  /* sata info for each controller */
30  struct sata_info {
31  	ulong iobase[3];
32  	pci_dev_t devno;
33  	int portbase;
34  	int maxport;
35  };
36  
37  /*
38   * Scatter gather entry (SGE),MUST 8 bytes aligned
39   */
40  struct sil_sge {
41  	__le64 addr;
42  	__le32 cnt;
43  	__le32 flags;
44  } __attribute__ ((aligned(8), packed));
45  
46  /*
47   * Port request block, MUST 8 bytes aligned
48   */
49  struct sil_prb {
50  	__le16 ctrl;
51  	__le16 prot;
52  	__le32 rx_cnt;
53  	struct sata_fis_h2d fis;
54  } __attribute__ ((aligned(8), packed));
55  
56  struct sil_cmd_block {
57  	struct sil_prb prb;
58  	struct sil_sge sge;
59  };
60  
61  enum {
62  	HOST_SLOT_STAT		= 0x00, /* 32 bit slot stat * 4 */
63  	HOST_CTRL		= 0x40,
64  	HOST_IRQ_STAT		= 0x44,
65  	HOST_PHY_CFG		= 0x48,
66  	HOST_BIST_CTRL		= 0x50,
67  	HOST_BIST_PTRN		= 0x54,
68  	HOST_BIST_STAT		= 0x58,
69  	HOST_MEM_BIST_STAT	= 0x5c,
70  	HOST_FLASH_CMD		= 0x70,
71  		/* 8 bit regs */
72  	HOST_FLASH_DATA		= 0x74,
73  	HOST_TRANSITION_DETECT	= 0x75,
74  	HOST_GPIO_CTRL		= 0x76,
75  	HOST_I2C_ADDR		= 0x78, /* 32 bit */
76  	HOST_I2C_DATA		= 0x7c,
77  	HOST_I2C_XFER_CNT	= 0x7e,
78  	HOST_I2C_CTRL		= 0x7f,
79  
80  	/* HOST_SLOT_STAT bits */
81  	HOST_SSTAT_ATTN		= (1 << 31),
82  
83  	/* HOST_CTRL bits */
84  	HOST_CTRL_M66EN		= (1 << 16), /* M66EN PCI bus signal */
85  	HOST_CTRL_TRDY		= (1 << 17), /* latched PCI TRDY */
86  	HOST_CTRL_STOP		= (1 << 18), /* latched PCI STOP */
87  	HOST_CTRL_DEVSEL	= (1 << 19), /* latched PCI DEVSEL */
88  	HOST_CTRL_REQ64		= (1 << 20), /* latched PCI REQ64 */
89  	HOST_CTRL_GLOBAL_RST	= (1 << 31), /* global reset */
90  
91  	/*
92  	 * Port registers
93  	 * (8192 bytes @ +0x0000, +0x2000, +0x4000 and +0x6000 @ BAR2)
94  	 */
95  	PORT_REGS_SIZE		= 0x2000,
96  
97  	PORT_LRAM		= 0x0000, /* 31 LRAM slots and PMP regs */
98  	PORT_LRAM_SLOT_SZ	= 0x0080, /* 32 bytes PRB + 2 SGE, ACT... */
99  
100  	PORT_PMP		= 0x0f80, /* 8 bytes PMP * 16 (128 bytes) */
101  	PORT_PMP_STATUS		= 0x0000, /* port device status offset */
102  	PORT_PMP_QACTIVE	= 0x0004, /* port device QActive offset */
103  	PORT_PMP_SIZE		= 0x0008, /* 8 bytes per PMP */
104  
105  	/* 32 bit regs */
106  	PORT_CTRL_STAT		= 0x1000, /* write: ctrl-set, read: stat */
107  	PORT_CTRL_CLR		= 0x1004, /* write: ctrl-clear */
108  	PORT_IRQ_STAT		= 0x1008, /* high: status, low: interrupt */
109  	PORT_IRQ_ENABLE_SET	= 0x1010, /* write: enable-set */
110  	PORT_IRQ_ENABLE_CLR	= 0x1014, /* write: enable-clear */
111  	PORT_ACTIVATE_UPPER_ADDR = 0x101c,
112  	PORT_EXEC_FIFO		= 0x1020, /* command execution fifo */
113  	PORT_CMD_ERR		= 0x1024, /* command error number */
114  	PORT_FIS_CFG		= 0x1028,
115  	PORT_FIFO_THRES		= 0x102c,
116  
117  	/* 16 bit regs */
118  	PORT_DECODE_ERR_CNT	= 0x1040,
119  	PORT_DECODE_ERR_THRESH	= 0x1042,
120  	PORT_CRC_ERR_CNT	= 0x1044,
121  	PORT_CRC_ERR_THRESH	= 0x1046,
122  	PORT_HSHK_ERR_CNT	= 0x1048,
123  	PORT_HSHK_ERR_THRESH	= 0x104a,
124  
125  	/* 32 bit regs */
126  	PORT_PHY_CFG		= 0x1050,
127  	PORT_SLOT_STAT		= 0x1800,
128  	PORT_CMD_ACTIVATE	= 0x1c00, /* 64 bit cmd activate * 31 */
129  	PORT_CONTEXT		= 0x1e04,
130  	PORT_EXEC_DIAG		= 0x1e00, /* 32bit exec diag * 16 */
131  	PORT_PSD_DIAG		= 0x1e40, /* 32bit psd diag * 16 */
132  	PORT_SCONTROL		= 0x1f00,
133  	PORT_SSTATUS		= 0x1f04,
134  	PORT_SERROR		= 0x1f08,
135  	PORT_SACTIVE		= 0x1f0c,
136  
137  	/* PORT_CTRL_STAT bits */
138  	PORT_CS_PORT_RST	= (1 << 0), /* port reset */
139  	PORT_CS_DEV_RST		= (1 << 1), /* device reset */
140  	PORT_CS_INIT		= (1 << 2), /* port initialize */
141  	PORT_CS_IRQ_WOC		= (1 << 3), /* interrupt write one to clear */
142  	PORT_CS_CDB16		= (1 << 5), /* 0=12b cdb, 1=16b cdb */
143  	PORT_CS_PMP_RESUME	= (1 << 6), /* PMP resume */
144  	PORT_CS_32BIT_ACTV	= (1 << 10), /* 32-bit activation */
145  	PORT_CS_PMP_EN		= (1 << 13), /* port multiplier enable */
146  	PORT_CS_RDY		= (1 << 31), /* port ready to accept commands */
147  
148  	/* PORT_IRQ_STAT/ENABLE_SET/CLR */
149  	/* bits[11:0] are masked */
150  	PORT_IRQ_COMPLETE	= (1 << 0), /* command(s) completed */
151  	PORT_IRQ_ERROR		= (1 << 1), /* command execution error */
152  	PORT_IRQ_PORTRDY_CHG	= (1 << 2), /* port ready change */
153  	PORT_IRQ_PWR_CHG	= (1 << 3), /* power management change */
154  	PORT_IRQ_PHYRDY_CHG	= (1 << 4), /* PHY ready change */
155  	PORT_IRQ_COMWAKE	= (1 << 5), /* COMWAKE received */
156  	PORT_IRQ_UNK_FIS	= (1 << 6), /* unknown FIS received */
157  	PORT_IRQ_DEV_XCHG	= (1 << 7), /* device exchanged */
158  	PORT_IRQ_8B10B		= (1 << 8), /* 8b/10b decode error threshold */
159  	PORT_IRQ_CRC		= (1 << 9), /* CRC error threshold */
160  	PORT_IRQ_HANDSHAKE	= (1 << 10), /* handshake error threshold */
161  	PORT_IRQ_SDB_NOTIFY	= (1 << 11), /* SDB notify received */
162  
163  	DEF_PORT_IRQ		= PORT_IRQ_COMPLETE | PORT_IRQ_ERROR |
164  				  PORT_IRQ_PHYRDY_CHG | PORT_IRQ_DEV_XCHG |
165  				  PORT_IRQ_UNK_FIS | PORT_IRQ_SDB_NOTIFY,
166  
167  	/* bits[27:16] are unmasked (raw) */
168  	PORT_IRQ_RAW_SHIFT	= 16,
169  	PORT_IRQ_MASKED_MASK	= 0x7ff,
170  	PORT_IRQ_RAW_MASK	= (0x7ff << PORT_IRQ_RAW_SHIFT),
171  
172  	/* ENABLE_SET/CLR specific, intr steering - 2 bit field */
173  	PORT_IRQ_STEER_SHIFT	= 30,
174  	PORT_IRQ_STEER_MASK	= (3 << PORT_IRQ_STEER_SHIFT),
175  
176  	/* PORT_CMD_ERR constants */
177  	PORT_CERR_DEV		= 1, /* Error bit in D2H Register FIS */
178  	PORT_CERR_SDB		= 2, /* Error bit in SDB FIS */
179  	PORT_CERR_DATA		= 3, /* Error in data FIS not detected by dev */
180  	PORT_CERR_SEND		= 4, /* Initial cmd FIS transmission failure */
181  	PORT_CERR_INCONSISTENT	= 5, /* Protocol mismatch */
182  	PORT_CERR_DIRECTION	= 6, /* Data direction mismatch */
183  	PORT_CERR_UNDERRUN	= 7, /* Ran out of SGEs while writing */
184  	PORT_CERR_OVERRUN	= 8, /* Ran out of SGEs while reading */
185  
186  	/* bits of PRB control field */
187  	PRB_CTRL_PROTOCOL	= (1 << 0), /* override def. ATA protocol */
188  	PRB_CTRL_PACKET_READ	= (1 << 4), /* PACKET cmd read */
189  	PRB_CTRL_PACKET_WRITE	= (1 << 5), /* PACKET cmd write */
190  	PRB_CTRL_NIEN		= (1 << 6), /* Mask completion irq */
191  	PRB_CTRL_SRST		= (1 << 7), /* Soft reset request (ign BSY?) */
192  
193  	/* PRB protocol field */
194  	PRB_PROT_PACKET		= (1 << 0),
195  	PRB_PROT_TCQ		= (1 << 1),
196  	PRB_PROT_NCQ		= (1 << 2),
197  	PRB_PROT_READ		= (1 << 3),
198  	PRB_PROT_WRITE		= (1 << 4),
199  	PRB_PROT_TRANSPARENT	= (1 << 5),
200  
201  	/*
202  	 * Other constants
203  	 */
204  	SGE_TRM			= (1 << 31), /* Last SGE in chain */
205  	SGE_LNK			= (1 << 30), /* linked list
206  						Points to SGT, not SGE */
207  	SGE_DRD			= (1 << 29), /* discard data read (/dev/null)
208  						data address ignored */
209  
210  	CMD_ERR		= 0x21,
211  };
212  
213  #endif
214