aboutsummaryrefslogtreecommitdiff
path: root/include/linux/bcma/bcma_driver_pci.h
blob: 0333e605ea0d752c5aa306957a80aa72c5d4094f (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
#ifndef LINUX_BCMA_DRIVER_PCI_H_
#define LINUX_BCMA_DRIVER_PCI_H_

#include <linux/types.h>

struct pci_dev;

/** PCI core registers. **/
#define BCMA_CORE_PCI_CTL			0x0000	/* PCI Control */
#define  BCMA_CORE_PCI_CTL_RST_OE		0x00000001 /* PCI_RESET Output Enable */
#define  BCMA_CORE_PCI_CTL_RST			0x00000002 /* PCI_RESET driven out to pin */
#define  BCMA_CORE_PCI_CTL_CLK_OE		0x00000004 /* Clock gate Output Enable */
#define  BCMA_CORE_PCI_CTL_CLK			0x00000008 /* Gate for clock driven out to pin */
#define BCMA_CORE_PCI_ARBCTL			0x0010	/* PCI Arbiter Control */
#define  BCMA_CORE_PCI_ARBCTL_INTERN		0x00000001 /* Use internal arbiter */
#define  BCMA_CORE_PCI_ARBCTL_EXTERN		0x00000002 /* Use external arbiter */
#define  BCMA_CORE_PCI_ARBCTL_PARKID		0x00000006 /* Mask, selects which agent is parked on an idle bus */
#define   BCMA_CORE_PCI_ARBCTL_PARKID_LAST	0x00000000 /* Last requestor */
#define   BCMA_CORE_PCI_ARBCTL_PARKID_4710	0x00000002 /* 4710 */
#define   BCMA_CORE_PCI_ARBCTL_PARKID_EXT0	0x00000004 /* External requestor 0 */
#define   BCMA_CORE_PCI_ARBCTL_PARKID_EXT1	0x00000006 /* External requestor 1 */
#define BCMA_CORE_PCI_ISTAT			0x0020	/* Interrupt status */
#define  BCMA_CORE_PCI_ISTAT_INTA		0x00000001 /* PCI INTA# */
#define  BCMA_CORE_PCI_ISTAT_INTB		0x00000002 /* PCI INTB# */
#define  BCMA_CORE_PCI_ISTAT_SERR		0x00000004 /* PCI SERR# (write to clear) */
#define  BCMA_CORE_PCI_ISTAT_PERR		0x00000008 /* PCI PERR# (write to clear) */
#define  BCMA_CORE_PCI_ISTAT_PME		0x00000010 /* PCI PME# */
#define BCMA_CORE_PCI_IMASK			0x0024	/* Interrupt mask */
#define  BCMA_CORE_PCI_IMASK_INTA		0x00000001 /* PCI INTA# */
#define  BCMA_CORE_PCI_IMASK_INTB		0x00000002 /* PCI INTB# */
#define  BCMA_CORE_PCI_IMASK_SERR		0x00000004 /* PCI SERR# */
#define  BCMA_CORE_PCI_IMASK_PERR		0x00000008 /* PCI PERR# */
#define  BCMA_CORE_PCI_IMASK_PME		0x00000010 /* PCI PME# */
#define BCMA_CORE_PCI_MBOX			0x0028	/* Backplane to PCI Mailbox */
#define  BCMA_CORE_PCI_MBOX_F0_0		0x00000100 /* PCI function 0, INT 0 */
#define  BCMA_CORE_PCI_MBOX_F0_1		0x00000200 /* PCI function 0, INT 1 */
#define  BCMA_CORE_PCI_MBOX_F1_0		0x00000400 /* PCI function 1, INT 0 */
#define  BCMA_CORE_PCI_MBOX_F1_1		0x00000800 /* PCI function 1, INT 1 */
#define  BCMA_CORE_PCI_MBOX_F2_0		0x00001000 /* PCI function 2, INT 0 */
#define  BCMA_CORE_PCI_MBOX_F2_1		0x00002000 /* PCI function 2, INT 1 */
#define  BCMA_CORE_PCI_MBOX_F3_0		0x00004000 /* PCI function 3, INT 0 */
#define  BCMA_CORE_PCI_MBOX_F3_1		0x00008000 /* PCI function 3, INT 1 */
#define BCMA_CORE_PCI_BCAST_ADDR		0x0050	/* Backplane Broadcast Address */
#define  BCMA_CORE_PCI_BCAST_ADDR_MASK		0x000000FF
#define BCMA_CORE_PCI_BCAST_DATA		0x0054	/* Backplane Broadcast Data */
#define BCMA_CORE_PCI_GPIO_IN			0x0060	/* rev >= 2 only */
#define BCMA_CORE_PCI_GPIO_OUT			0x0064	/* rev >= 2 only */
#define BCMA_CORE_PCI_GPIO_ENABLE		0x0068	/* rev >= 2 only */
#define BCMA_CORE_PCI_GPIO_CTL			0x006C	/* rev >= 2 only */
#define BCMA_CORE_PCI_SBTOPCI0			0x0100	/* Backplane to PCI translation 0 (sbtopci0) */
#define  BCMA_CORE_PCI_SBTOPCI0_MASK		0xFC000000
#define BCMA_CORE_PCI_SBTOPCI1			0x0104	/* Backplane to PCI translation 1 (sbtopci1) */
#define  BCMA_CORE_PCI_SBTOPCI1_MASK		0xFC000000
#define BCMA_CORE_PCI_SBTOPCI2			0x0108	/* Backplane to PCI translation 2 (sbtopci2) */
#define  BCMA_CORE_PCI_SBTOPCI2_MASK		0xC0000000
#define BCMA_CORE_PCI_CONFIG_ADDR		0x0120	/* pcie config space access */
#define BCMA_CORE_PCI_CONFIG_DATA		0x0124	/* pcie config space access */
#define BCMA_CORE_PCI_MDIO_CONTROL		0x0128	/* controls the mdio access */
#define  BCMA_CORE_PCI_MDIOCTL_DIVISOR_MASK	0x7f	/* clock to be used on MDIO */
#define  BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL	0x2
#define  BCMA_CORE_PCI_MDIOCTL_PREAM_EN		0x80	/* Enable preamble sequnce */
#define  BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE	0x100	/* Tranaction complete */
#define BCMA_CORE_PCI_MDIO_DATA			0x012c	/* Data to the mdio access */
#define  BCMA_CORE_PCI_MDIODATA_MASK		0x0000ffff /* data 2 bytes */
#define  BCMA_CORE_PCI_MDIODATA_TA		0x00020000 /* Turnaround */
#define  BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD	18	/* Regaddr shift (rev < 10) */
#define  BCMA_CORE_PCI_MDIODATA_REGADDR_MASK_OLD	0x003c0000 /* Regaddr Mask (rev < 10) */
#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD	22	/* Physmedia devaddr shift (rev < 10) */
#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK_OLD	0x0fc00000 /* Physmedia devaddr Mask (rev < 10) */
#define  BCMA_CORE_PCI_MDIODATA_REGADDR_SHF	18	/* Regaddr shift */
#define  BCMA_CORE_PCI_MDIODATA_REGADDR_MASK	0x007c0000 /* Regaddr Mask */
#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF	23	/* Physmedia devaddr shift */
#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK	0x0f800000 /* Physmedia devaddr Mask */
#define  BCMA_CORE_PCI_MDIODATA_WRITE		0x10000000 /* write Transaction */
#define  BCMA_CORE_PCI_MDIODATA_READ		0x20000000 /* Read Transaction */
#define  BCMA_CORE_PCI_MDIODATA_START		0x40000000 /* start of Transaction */
#define  BCMA_CORE_PCI_MDIODATA_DEV_ADDR	0x0	/* dev address for serdes */
#define  BCMA_CORE_PCI_MDIODATA_BLK_ADDR	0x1F	/* blk address for serdes */
#define  BCMA_CORE_PCI_MDIODATA_DEV_PLL		0x1d	/* SERDES PLL Dev */
#define  BCMA_CORE_PCI_MDIODATA_DEV_TX		0x1e	/* SERDES TX Dev */
#define  BCMA_CORE_PCI_MDIODATA_DEV_RX		0x1f	/* SERDES RX Dev */
#define BCMA_CORE_PCI_PCIEIND_ADDR		0x0130	/* indirect access to the internal register */
#define BCMA_CORE_PCI_PCIEIND_DATA		0x0134	/* Data to/from the internal regsiter */
#define BCMA_CORE_PCI_CLKREQENCTRL		0x0138	/*  >= rev 6, Clkreq rdma control */
#define BCMA_CORE_PCI_PCICFG0			0x0400	/* PCI config space 0 (rev >= 8) */
#define BCMA_CORE_PCI_PCICFG1			0x0500	/* PCI config space 1 (rev >= 8) */
#define BCMA_CORE_PCI_PCICFG2			0x0600	/* PCI config space 2 (rev >= 8) */
#define BCMA_CORE_PCI_PCICFG3			0x0700	/* PCI config space 3 (rev >= 8) */
#define BCMA_CORE_PCI_SPROM(wordoffset)		(0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */
#define  BCMA_CORE_PCI_SPROM_PI_OFFSET		0	/* first word */
#define   BCMA_CORE_PCI_SPROM_PI_MASK		0xf000	/* bit 15:12 */
#define   BCMA_CORE_PCI_SPROM_PI_SHIFT		12	/* bit 15:12 */
#define  BCMA_CORE_PCI_SPROM_MISC_CONFIG	5	/* word 5 */
#define   BCMA_CORE_PCI_SPROM_L23READY_EXIT_NOPERST	0x8000	/* bit 15 */
#define   BCMA_CORE_PCI_SPROM_CLKREQ_OFFSET_REV5	20	/* word 20 for srom rev <= 5 */
#define   BCMA_CORE_PCI_SPROM_CLKREQ_ENB	0x0800	/* bit 11 */

/* SBtoPCIx */
#define BCMA_CORE_PCI_SBTOPCI_MEM		0x00000000
#define BCMA_CORE_PCI_SBTOPCI_IO		0x00000001
#define BCMA_CORE_PCI_SBTOPCI_CFG0		0x00000002
#define BCMA_CORE_PCI_SBTOPCI_CFG1		0x00000003
#define BCMA_CORE_PCI_SBTOPCI_PREF		0x00000004 /* Prefetch enable */
#define BCMA_CORE_PCI_SBTOPCI_BURST		0x00000008 /* Burst enable */
#define BCMA_CORE_PCI_SBTOPCI_MRM		0x00000020 /* Memory Read Multiple */
#define BCMA_CORE_PCI_SBTOPCI_RC		0x00000030 /* Read Command mask (rev >= 11) */
#define  BCMA_CORE_PCI_SBTOPCI_RC_READ		0x00000000 /* Memory read */
#define  BCMA_CORE_PCI_SBTOPCI_RC_READL		0x00000010 /* Memory read line */
#define  BCMA_CORE_PCI_SBTOPCI_RC_READM		0x00000020 /* Memory read multiple */

/* PCIE protocol PHY diagnostic registers */
#define BCMA_CORE_PCI_PLP_MODEREG		0x200	/* Mode */
#define BCMA_CORE_PCI_PLP_STATUSREG		0x204	/* Status */
#define  BCMA_CORE_PCI_PLP_POLARITYINV_STAT	0x10	/* Status reg PCIE_PLP_STATUSREG */
#define BCMA_CORE_PCI_PLP_LTSSMCTRLREG		0x208	/* LTSSM control */
#define BCMA_CORE_PCI_PLP_LTLINKNUMREG		0x20c	/* Link Training Link number */
#define BCMA_CORE_PCI_PLP_LTLANENUMREG		0x210	/* Link Training Lane number */
#define BCMA_CORE_PCI_PLP_LTNFTSREG		0x214	/* Link Training N_FTS */
#define BCMA_CORE_PCI_PLP_ATTNREG		0x218	/* Attention */
#define BCMA_CORE_PCI_PLP_ATTNMASKREG		0x21C	/* Attention Mask */
#define BCMA_CORE_PCI_PLP_RXERRCTR		0x220	/* Rx Error */
#define BCMA_CORE_PCI_PLP_RXFRMERRCTR		0x224	/* Rx Framing Error */
#define BCMA_CORE_PCI_PLP_RXERRTHRESHREG	0x228	/* Rx Error threshold */
#define BCMA_CORE_PCI_PLP_TESTCTRLREG		0x22C	/* Test Control reg */
#define BCMA_CORE_PCI_PLP_SERDESCTRLOVRDREG	0x230	/* SERDES Control Override */
#define BCMA_CORE_PCI_PLP_TIMINGOVRDREG		0x234	/* Timing param override */
#define BCMA_CORE_PCI_PLP_RXTXSMDIAGREG		0x238	/* RXTX State Machine Diag */
#define BCMA_CORE_PCI_PLP_LTSSMDIAGREG		0x23C	/* LTSSM State Machine Diag */

/* PCIE protocol DLLP diagnostic registers */
#define BCMA_CORE_PCI_DLLP_LCREG		0x100	/* Link Control */
#define BCMA_CORE_PCI_DLLP_LSREG		0x104	/* Link Status */
#define BCMA_CORE_PCI_DLLP_LAREG		0x108	/* Link Attention */
#define  BCMA_CORE_PCI_DLLP_LSREG_LINKUP	(1 << 16)
#define BCMA_CORE_PCI_DLLP_LAMASKREG		0x10C	/* Link Attention Mask */
#define BCMA_CORE_PCI_DLLP_NEXTTXSEQNUMREG	0x110	/* Next Tx Seq Num */
#define BCMA_CORE_PCI_DLLP_ACKEDTXSEQNUMREG	0x114	/* Acked Tx Seq Num */
#define BCMA_CORE_PCI_DLLP_PURGEDTXSEQNUMREG	0x118	/* Purged Tx Seq Num */
#define BCMA_CORE_PCI_DLLP_RXSEQNUMREG		0x11C	/* Rx Sequence Number */
#define BCMA_CORE_PCI_DLLP_LRREG		0x120	/* Link Replay */
#define BCMA_CORE_PCI_DLLP_LACKTOREG		0x124	/* Link Ack Timeout */
#define BCMA_CORE_PCI_DLLP_PMTHRESHREG		0x128	/* Power Management Threshold */
#define  BCMA_CORE_PCI_ASPMTIMER_EXTEND		0x01000000 /* > rev7: enable extend ASPM timer */
#define BCMA_CORE_PCI_DLLP_RTRYWPREG		0x12C	/* Retry buffer write ptr */
#define BCMA_CORE_PCI_DLLP_RTRYRPREG		0x130	/* Retry buffer Read ptr */
#define BCMA_CORE_PCI_DLLP_RTRYPPREG		0x134	/* Retry buffer Purged ptr */
#define BCMA_CORE_PCI_DLLP_RTRRWREG		0x138	/* Retry buffer Read/Write */
#define BCMA_CORE_PCI_DLLP_ECTHRESHREG		0x13C	/* Error Count Threshold */
#define BCMA_CORE_PCI_DLLP_TLPERRCTRREG		0x140	/* TLP Error Counter */
#define BCMA_CORE_PCI_DLLP_ERRCTRREG		0x144	/* Error Counter */
#define BCMA_CORE_PCI_DLLP_NAKRXCTRREG		0x148	/* NAK Received Counter */
#define BCMA_CORE_PCI_DLLP_TESTREG		0x14C	/* Test */
#define BCMA_CORE_PCI_DLLP_PKTBIST		0x150	/* Packet BIST */
#define BCMA_CORE_PCI_DLLP_PCIE11		0x154	/* DLLP PCIE 1.1 reg */

/* SERDES RX registers */
#define BCMA_CORE_PCI_SERDES_RX_CTRL		1	/* Rx cntrl */
#define  BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE	0x80	/* rxpolarity_force */
#define  BCMA_CORE_PCI_SERDES_RX_CTRL_POLARITY	0x40	/* rxpolarity_value */
#define BCMA_CORE_PCI_SERDES_RX_TIMER1		2	/* Rx Timer1 */
#define BCMA_CORE_PCI_SERDES_RX_CDR		6	/* CDR */
#define BCMA_CORE_PCI_SERDES_RX_CDRBW		7	/* CDR BW */

/* SERDES PLL registers */
#define BCMA_CORE_PCI_SERDES_PLL_CTRL		1	/* PLL control reg */
#define BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN	0x4000	/* bit 14 is FREQDET on */

/* PCIcore specific boardflags */
#define BCMA_CORE_PCI_BFL_NOPCI			0x00000400 /* Board leaves PCI floating */

/* PCIE Config space accessing MACROS */
#define BCMA_CORE_PCI_CFG_BUS_SHIFT		24	/* Bus shift */
#define BCMA_CORE_PCI_CFG_SLOT_SHIFT		19	/* Slot/Device shift */
#define BCMA_CORE_PCI_CFG_FUN_SHIFT		16	/* Function shift */
#define BCMA_CORE_PCI_CFG_OFF_SHIFT		0	/* Register shift */

#define BCMA_CORE_PCI_CFG_BUS_MASK		0xff	/* Bus mask */
#define BCMA_CORE_PCI_CFG_SLOT_MASK		0x1f	/* Slot/Device mask */
#define BCMA_CORE_PCI_CFG_FUN_MASK		7	/* Function mask */
#define BCMA_CORE_PCI_CFG_OFF_MASK		0xfff	/* Register mask */

#define BCMA_CORE_PCI_CFG_DEVCTRL		0xd8

#define BCMA_CORE_PCI_

/* MDIO devices (SERDES modules) */
#define BCMA_CORE_PCI_MDIO_IEEE0		0x000
#define BCMA_CORE_PCI_MDIO_IEEE1		0x001
#define BCMA_CORE_PCI_MDIO_BLK0			0x800
#define BCMA_CORE_PCI_MDIO_BLK1			0x801
#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT0		0x16
#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT1		0x17
#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT2		0x18
#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT3		0x19
#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT4		0x1A
#define BCMA_CORE_PCI_MDIO_BLK2			0x802
#define BCMA_CORE_PCI_MDIO_BLK3			0x803
#define BCMA_CORE_PCI_MDIO_BLK4			0x804
#define BCMA_CORE_PCI_MDIO_TXPLL		0x808	/* TXPLL register block idx */
#define BCMA_CORE_PCI_MDIO_TXCTRL0		0x820
#define BCMA_CORE_PCI_MDIO_SERDESID		0x831
#define BCMA_CORE_PCI_MDIO_RXCTRL0		0x840

/* PCIE Root Capability Register bits (Host mode only) */
#define BCMA_CORE_PCI_RC_CRS_VISIBILITY		0x0001

struct bcma_drv_pci;
struct bcma_bus;

#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
struct bcma_drv_pci_host {
	struct bcma_drv_pci *pdev;

	u32 host_cfg_addr;
	spinlock_t cfgspace_lock;

	struct pci_controller pci_controller;
	struct pci_ops pci_ops;
	struct resource mem_resource;
	struct resource io_resource;
};
#endif

struct bcma_drv_pci {
	struct bcma_device *core;
	u8 setup_done:1;
	u8 hostmode:1;

#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
	struct bcma_drv_pci_host *host_controller;
#endif
};

/* Register access */
#define pcicore_read16(pc, offset)		bcma_read16((pc)->core, offset)
#define pcicore_read32(pc, offset)		bcma_read32((pc)->core, offset)
#define pcicore_write16(pc, offset, val)	bcma_write16((pc)->core, offset, val)
#define pcicore_write32(pc, offset, val)	bcma_write32((pc)->core, offset, val)

extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
				 struct bcma_device *core, bool enable);
extern void bcma_core_pci_up(struct bcma_bus *bus);
extern void bcma_core_pci_down(struct bcma_bus *bus);
extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);

extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);

#endif /* LINUX_BCMA_DRIVER_PCI_H_ */