1#ifndef LINUX_BCMA_DRIVER_PCI_H_
2#define LINUX_BCMA_DRIVER_PCI_H_
3
4#include <linux/types.h>
5
6struct pci_dev;
7
8/** PCI core registers. **/
9#define BCMA_CORE_PCI_CTL			0x0000	/* PCI Control */
10#define  BCMA_CORE_PCI_CTL_RST_OE		0x00000001 /* PCI_RESET Output Enable */
11#define  BCMA_CORE_PCI_CTL_RST			0x00000002 /* PCI_RESET driven out to pin */
12#define  BCMA_CORE_PCI_CTL_CLK_OE		0x00000004 /* Clock gate Output Enable */
13#define  BCMA_CORE_PCI_CTL_CLK			0x00000008 /* Gate for clock driven out to pin */
14#define BCMA_CORE_PCI_ARBCTL			0x0010	/* PCI Arbiter Control */
15#define  BCMA_CORE_PCI_ARBCTL_INTERN		0x00000001 /* Use internal arbiter */
16#define  BCMA_CORE_PCI_ARBCTL_EXTERN		0x00000002 /* Use external arbiter */
17#define  BCMA_CORE_PCI_ARBCTL_PARKID		0x00000006 /* Mask, selects which agent is parked on an idle bus */
18#define   BCMA_CORE_PCI_ARBCTL_PARKID_LAST	0x00000000 /* Last requestor */
19#define   BCMA_CORE_PCI_ARBCTL_PARKID_4710	0x00000002 /* 4710 */
20#define   BCMA_CORE_PCI_ARBCTL_PARKID_EXT0	0x00000004 /* External requestor 0 */
21#define   BCMA_CORE_PCI_ARBCTL_PARKID_EXT1	0x00000006 /* External requestor 1 */
22#define BCMA_CORE_PCI_ISTAT			0x0020	/* Interrupt status */
23#define  BCMA_CORE_PCI_ISTAT_INTA		0x00000001 /* PCI INTA# */
24#define  BCMA_CORE_PCI_ISTAT_INTB		0x00000002 /* PCI INTB# */
25#define  BCMA_CORE_PCI_ISTAT_SERR		0x00000004 /* PCI SERR# (write to clear) */
26#define  BCMA_CORE_PCI_ISTAT_PERR		0x00000008 /* PCI PERR# (write to clear) */
27#define  BCMA_CORE_PCI_ISTAT_PME		0x00000010 /* PCI PME# */
28#define BCMA_CORE_PCI_IMASK			0x0024	/* Interrupt mask */
29#define  BCMA_CORE_PCI_IMASK_INTA		0x00000001 /* PCI INTA# */
30#define  BCMA_CORE_PCI_IMASK_INTB		0x00000002 /* PCI INTB# */
31#define  BCMA_CORE_PCI_IMASK_SERR		0x00000004 /* PCI SERR# */
32#define  BCMA_CORE_PCI_IMASK_PERR		0x00000008 /* PCI PERR# */
33#define  BCMA_CORE_PCI_IMASK_PME		0x00000010 /* PCI PME# */
34#define BCMA_CORE_PCI_MBOX			0x0028	/* Backplane to PCI Mailbox */
35#define  BCMA_CORE_PCI_MBOX_F0_0		0x00000100 /* PCI function 0, INT 0 */
36#define  BCMA_CORE_PCI_MBOX_F0_1		0x00000200 /* PCI function 0, INT 1 */
37#define  BCMA_CORE_PCI_MBOX_F1_0		0x00000400 /* PCI function 1, INT 0 */
38#define  BCMA_CORE_PCI_MBOX_F1_1		0x00000800 /* PCI function 1, INT 1 */
39#define  BCMA_CORE_PCI_MBOX_F2_0		0x00001000 /* PCI function 2, INT 0 */
40#define  BCMA_CORE_PCI_MBOX_F2_1		0x00002000 /* PCI function 2, INT 1 */
41#define  BCMA_CORE_PCI_MBOX_F3_0		0x00004000 /* PCI function 3, INT 0 */
42#define  BCMA_CORE_PCI_MBOX_F3_1		0x00008000 /* PCI function 3, INT 1 */
43#define BCMA_CORE_PCI_BCAST_ADDR		0x0050	/* Backplane Broadcast Address */
44#define  BCMA_CORE_PCI_BCAST_ADDR_MASK		0x000000FF
45#define BCMA_CORE_PCI_BCAST_DATA		0x0054	/* Backplane Broadcast Data */
46#define BCMA_CORE_PCI_GPIO_IN			0x0060	/* rev >= 2 only */
47#define BCMA_CORE_PCI_GPIO_OUT			0x0064	/* rev >= 2 only */
48#define BCMA_CORE_PCI_GPIO_ENABLE		0x0068	/* rev >= 2 only */
49#define BCMA_CORE_PCI_GPIO_CTL			0x006C	/* rev >= 2 only */
50#define BCMA_CORE_PCI_SBTOPCI0			0x0100	/* Backplane to PCI translation 0 (sbtopci0) */
51#define  BCMA_CORE_PCI_SBTOPCI0_MASK		0xFC000000
52#define BCMA_CORE_PCI_SBTOPCI1			0x0104	/* Backplane to PCI translation 1 (sbtopci1) */
53#define  BCMA_CORE_PCI_SBTOPCI1_MASK		0xFC000000
54#define BCMA_CORE_PCI_SBTOPCI2			0x0108	/* Backplane to PCI translation 2 (sbtopci2) */
55#define  BCMA_CORE_PCI_SBTOPCI2_MASK		0xC0000000
56#define BCMA_CORE_PCI_CONFIG_ADDR		0x0120	/* pcie config space access */
57#define BCMA_CORE_PCI_CONFIG_DATA		0x0124	/* pcie config space access */
58#define BCMA_CORE_PCI_MDIO_CONTROL		0x0128	/* controls the mdio access */
59#define  BCMA_CORE_PCI_MDIOCTL_DIVISOR_MASK	0x7f	/* clock to be used on MDIO */
60#define  BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL	0x2
61#define  BCMA_CORE_PCI_MDIOCTL_PREAM_EN		0x80	/* Enable preamble sequnce */
62#define  BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE	0x100	/* Tranaction complete */
63#define BCMA_CORE_PCI_MDIO_DATA			0x012c	/* Data to the mdio access */
64#define  BCMA_CORE_PCI_MDIODATA_MASK		0x0000ffff /* data 2 bytes */
65#define  BCMA_CORE_PCI_MDIODATA_TA		0x00020000 /* Turnaround */
66#define  BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD	18	/* Regaddr shift (rev < 10) */
67#define  BCMA_CORE_PCI_MDIODATA_REGADDR_MASK_OLD	0x003c0000 /* Regaddr Mask (rev < 10) */
68#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD	22	/* Physmedia devaddr shift (rev < 10) */
69#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK_OLD	0x0fc00000 /* Physmedia devaddr Mask (rev < 10) */
70#define  BCMA_CORE_PCI_MDIODATA_REGADDR_SHF	18	/* Regaddr shift */
71#define  BCMA_CORE_PCI_MDIODATA_REGADDR_MASK	0x007c0000 /* Regaddr Mask */
72#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF	23	/* Physmedia devaddr shift */
73#define  BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK	0x0f800000 /* Physmedia devaddr Mask */
74#define  BCMA_CORE_PCI_MDIODATA_WRITE		0x10000000 /* write Transaction */
75#define  BCMA_CORE_PCI_MDIODATA_READ		0x20000000 /* Read Transaction */
76#define  BCMA_CORE_PCI_MDIODATA_START		0x40000000 /* start of Transaction */
77#define  BCMA_CORE_PCI_MDIODATA_DEV_ADDR	0x0	/* dev address for serdes */
78#define  BCMA_CORE_PCI_MDIODATA_BLK_ADDR	0x1F	/* blk address for serdes */
79#define  BCMA_CORE_PCI_MDIODATA_DEV_PLL		0x1d	/* SERDES PLL Dev */
80#define  BCMA_CORE_PCI_MDIODATA_DEV_TX		0x1e	/* SERDES TX Dev */
81#define  BCMA_CORE_PCI_MDIODATA_DEV_RX		0x1f	/* SERDES RX Dev */
82#define BCMA_CORE_PCI_PCIEIND_ADDR		0x0130	/* indirect access to the internal register */
83#define BCMA_CORE_PCI_PCIEIND_DATA		0x0134	/* Data to/from the internal regsiter */
84#define BCMA_CORE_PCI_CLKREQENCTRL		0x0138	/*  >= rev 6, Clkreq rdma control */
85#define BCMA_CORE_PCI_PCICFG0			0x0400	/* PCI config space 0 (rev >= 8) */
86#define BCMA_CORE_PCI_PCICFG1			0x0500	/* PCI config space 1 (rev >= 8) */
87#define BCMA_CORE_PCI_PCICFG2			0x0600	/* PCI config space 2 (rev >= 8) */
88#define BCMA_CORE_PCI_PCICFG3			0x0700	/* PCI config space 3 (rev >= 8) */
89#define BCMA_CORE_PCI_SPROM(wordoffset)		(0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */
90#define  BCMA_CORE_PCI_SPROM_PI_OFFSET		0	/* first word */
91#define   BCMA_CORE_PCI_SPROM_PI_MASK		0xf000	/* bit 15:12 */
92#define   BCMA_CORE_PCI_SPROM_PI_SHIFT		12	/* bit 15:12 */
93#define  BCMA_CORE_PCI_SPROM_MISC_CONFIG	5	/* word 5 */
94#define   BCMA_CORE_PCI_SPROM_L23READY_EXIT_NOPERST	0x8000	/* bit 15 */
95#define   BCMA_CORE_PCI_SPROM_CLKREQ_OFFSET_REV5	20	/* word 20 for srom rev <= 5 */
96#define   BCMA_CORE_PCI_SPROM_CLKREQ_ENB	0x0800	/* bit 11 */
97
98/* SBtoPCIx */
99#define BCMA_CORE_PCI_SBTOPCI_MEM		0x00000000
100#define BCMA_CORE_PCI_SBTOPCI_IO		0x00000001
101#define BCMA_CORE_PCI_SBTOPCI_CFG0		0x00000002
102#define BCMA_CORE_PCI_SBTOPCI_CFG1		0x00000003
103#define BCMA_CORE_PCI_SBTOPCI_PREF		0x00000004 /* Prefetch enable */
104#define BCMA_CORE_PCI_SBTOPCI_BURST		0x00000008 /* Burst enable */
105#define BCMA_CORE_PCI_SBTOPCI_MRM		0x00000020 /* Memory Read Multiple */
106#define BCMA_CORE_PCI_SBTOPCI_RC		0x00000030 /* Read Command mask (rev >= 11) */
107#define  BCMA_CORE_PCI_SBTOPCI_RC_READ		0x00000000 /* Memory read */
108#define  BCMA_CORE_PCI_SBTOPCI_RC_READL		0x00000010 /* Memory read line */
109#define  BCMA_CORE_PCI_SBTOPCI_RC_READM		0x00000020 /* Memory read multiple */
110
111/* PCIE protocol PHY diagnostic registers */
112#define BCMA_CORE_PCI_PLP_MODEREG		0x200	/* Mode */
113#define BCMA_CORE_PCI_PLP_STATUSREG		0x204	/* Status */
114#define  BCMA_CORE_PCI_PLP_POLARITYINV_STAT	0x10	/* Status reg PCIE_PLP_STATUSREG */
115#define BCMA_CORE_PCI_PLP_LTSSMCTRLREG		0x208	/* LTSSM control */
116#define BCMA_CORE_PCI_PLP_LTLINKNUMREG		0x20c	/* Link Training Link number */
117#define BCMA_CORE_PCI_PLP_LTLANENUMREG		0x210	/* Link Training Lane number */
118#define BCMA_CORE_PCI_PLP_LTNFTSREG		0x214	/* Link Training N_FTS */
119#define BCMA_CORE_PCI_PLP_ATTNREG		0x218	/* Attention */
120#define BCMA_CORE_PCI_PLP_ATTNMASKREG		0x21C	/* Attention Mask */
121#define BCMA_CORE_PCI_PLP_RXERRCTR		0x220	/* Rx Error */
122#define BCMA_CORE_PCI_PLP_RXFRMERRCTR		0x224	/* Rx Framing Error */
123#define BCMA_CORE_PCI_PLP_RXERRTHRESHREG	0x228	/* Rx Error threshold */
124#define BCMA_CORE_PCI_PLP_TESTCTRLREG		0x22C	/* Test Control reg */
125#define BCMA_CORE_PCI_PLP_SERDESCTRLOVRDREG	0x230	/* SERDES Control Override */
126#define BCMA_CORE_PCI_PLP_TIMINGOVRDREG		0x234	/* Timing param override */
127#define BCMA_CORE_PCI_PLP_RXTXSMDIAGREG		0x238	/* RXTX State Machine Diag */
128#define BCMA_CORE_PCI_PLP_LTSSMDIAGREG		0x23C	/* LTSSM State Machine Diag */
129
130/* PCIE protocol DLLP diagnostic registers */
131#define BCMA_CORE_PCI_DLLP_LCREG		0x100	/* Link Control */
132#define BCMA_CORE_PCI_DLLP_LSREG		0x104	/* Link Status */
133#define BCMA_CORE_PCI_DLLP_LAREG		0x108	/* Link Attention */
134#define  BCMA_CORE_PCI_DLLP_LSREG_LINKUP	(1 << 16)
135#define BCMA_CORE_PCI_DLLP_LAMASKREG		0x10C	/* Link Attention Mask */
136#define BCMA_CORE_PCI_DLLP_NEXTTXSEQNUMREG	0x110	/* Next Tx Seq Num */
137#define BCMA_CORE_PCI_DLLP_ACKEDTXSEQNUMREG	0x114	/* Acked Tx Seq Num */
138#define BCMA_CORE_PCI_DLLP_PURGEDTXSEQNUMREG	0x118	/* Purged Tx Seq Num */
139#define BCMA_CORE_PCI_DLLP_RXSEQNUMREG		0x11C	/* Rx Sequence Number */
140#define BCMA_CORE_PCI_DLLP_LRREG		0x120	/* Link Replay */
141#define BCMA_CORE_PCI_DLLP_LACKTOREG		0x124	/* Link Ack Timeout */
142#define BCMA_CORE_PCI_DLLP_PMTHRESHREG		0x128	/* Power Management Threshold */
143#define  BCMA_CORE_PCI_ASPMTIMER_EXTEND		0x01000000 /* > rev7: enable extend ASPM timer */
144#define BCMA_CORE_PCI_DLLP_RTRYWPREG		0x12C	/* Retry buffer write ptr */
145#define BCMA_CORE_PCI_DLLP_RTRYRPREG		0x130	/* Retry buffer Read ptr */
146#define BCMA_CORE_PCI_DLLP_RTRYPPREG		0x134	/* Retry buffer Purged ptr */
147#define BCMA_CORE_PCI_DLLP_RTRRWREG		0x138	/* Retry buffer Read/Write */
148#define BCMA_CORE_PCI_DLLP_ECTHRESHREG		0x13C	/* Error Count Threshold */
149#define BCMA_CORE_PCI_DLLP_TLPERRCTRREG		0x140	/* TLP Error Counter */
150#define BCMA_CORE_PCI_DLLP_ERRCTRREG		0x144	/* Error Counter */
151#define BCMA_CORE_PCI_DLLP_NAKRXCTRREG		0x148	/* NAK Received Counter */
152#define BCMA_CORE_PCI_DLLP_TESTREG		0x14C	/* Test */
153#define BCMA_CORE_PCI_DLLP_PKTBIST		0x150	/* Packet BIST */
154#define BCMA_CORE_PCI_DLLP_PCIE11		0x154	/* DLLP PCIE 1.1 reg */
155
156/* SERDES RX registers */
157#define BCMA_CORE_PCI_SERDES_RX_CTRL		1	/* Rx cntrl */
158#define  BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE	0x80	/* rxpolarity_force */
159#define  BCMA_CORE_PCI_SERDES_RX_CTRL_POLARITY	0x40	/* rxpolarity_value */
160#define BCMA_CORE_PCI_SERDES_RX_TIMER1		2	/* Rx Timer1 */
161#define BCMA_CORE_PCI_SERDES_RX_CDR		6	/* CDR */
162#define BCMA_CORE_PCI_SERDES_RX_CDRBW		7	/* CDR BW */
163
164/* SERDES PLL registers */
165#define BCMA_CORE_PCI_SERDES_PLL_CTRL		1	/* PLL control reg */
166#define BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN	0x4000	/* bit 14 is FREQDET on */
167
168/* PCIcore specific boardflags */
169#define BCMA_CORE_PCI_BFL_NOPCI			0x00000400 /* Board leaves PCI floating */
170
171/* PCIE Config space accessing MACROS */
172#define BCMA_CORE_PCI_CFG_BUS_SHIFT		24	/* Bus shift */
173#define BCMA_CORE_PCI_CFG_SLOT_SHIFT		19	/* Slot/Device shift */
174#define BCMA_CORE_PCI_CFG_FUN_SHIFT		16	/* Function shift */
175#define BCMA_CORE_PCI_CFG_OFF_SHIFT		0	/* Register shift */
176
177#define BCMA_CORE_PCI_CFG_BUS_MASK		0xff	/* Bus mask */
178#define BCMA_CORE_PCI_CFG_SLOT_MASK		0x1f	/* Slot/Device mask */
179#define BCMA_CORE_PCI_CFG_FUN_MASK		7	/* Function mask */
180#define BCMA_CORE_PCI_CFG_OFF_MASK		0xfff	/* Register mask */
181
182#define BCMA_CORE_PCI_CFG_DEVCTRL		0xd8
183
184#define BCMA_CORE_PCI_
185
186/* MDIO devices (SERDES modules) */
187#define BCMA_CORE_PCI_MDIO_IEEE0		0x000
188#define BCMA_CORE_PCI_MDIO_IEEE1		0x001
189#define BCMA_CORE_PCI_MDIO_BLK0			0x800
190#define BCMA_CORE_PCI_MDIO_BLK1			0x801
191#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT0		0x16
192#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT1		0x17
193#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT2		0x18
194#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT3		0x19
195#define  BCMA_CORE_PCI_MDIO_BLK1_MGMT4		0x1A
196#define BCMA_CORE_PCI_MDIO_BLK2			0x802
197#define BCMA_CORE_PCI_MDIO_BLK3			0x803
198#define BCMA_CORE_PCI_MDIO_BLK4			0x804
199#define BCMA_CORE_PCI_MDIO_TXPLL		0x808	/* TXPLL register block idx */
200#define BCMA_CORE_PCI_MDIO_TXCTRL0		0x820
201#define BCMA_CORE_PCI_MDIO_SERDESID		0x831
202#define BCMA_CORE_PCI_MDIO_RXCTRL0		0x840
203
204/* PCIE Root Capability Register bits (Host mode only) */
205#define BCMA_CORE_PCI_RC_CRS_VISIBILITY		0x0001
206
207struct bcma_drv_pci;
208struct bcma_bus;
209
210#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
211struct bcma_drv_pci_host {
212	struct bcma_drv_pci *pdev;
213
214	u32 host_cfg_addr;
215	spinlock_t cfgspace_lock;
216
217	struct pci_controller pci_controller;
218	struct pci_ops pci_ops;
219	struct resource mem_resource;
220	struct resource io_resource;
221};
222#endif
223
224struct bcma_drv_pci {
225	struct bcma_device *core;
226	u8 early_setup_done:1;
227	u8 setup_done:1;
228	u8 hostmode:1;
229
230#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
231	struct bcma_drv_pci_host *host_controller;
232#endif
233};
234
235/* Register access */
236#define pcicore_read16(pc, offset)		bcma_read16((pc)->core, offset)
237#define pcicore_read32(pc, offset)		bcma_read32((pc)->core, offset)
238#define pcicore_write16(pc, offset, val)	bcma_write16((pc)->core, offset, val)
239#define pcicore_write32(pc, offset, val)	bcma_write32((pc)->core, offset, val)
240
241#ifdef CONFIG_BCMA_DRIVER_PCI
242extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
243#else
244static inline void bcma_core_pci_power_save(struct bcma_bus *bus, bool up)
245{
246}
247#endif
248
249#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
250extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
251extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
252#else
253static inline int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev)
254{
255	return -ENOTSUPP;
256}
257static inline int bcma_core_pci_plat_dev_init(struct pci_dev *dev)
258{
259	return -ENOTSUPP;
260}
261#endif
262
263#endif /* LINUX_BCMA_DRIVER_PCI_H_ */
264