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Rafał Miłecki8369ae32011-05-09 18:56:46 +02001#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
Hauke Mehrtens2be25ca2012-01-31 00:03:32 +010056#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 */
Rafał Miłecki8369ae32011-05-09 18:56:46 +020085#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) */
Hauke Mehrtensec00f372012-04-29 02:18:51 +020090#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 */
Hauke Mehrtens2b2715b2012-04-29 02:18:52 +020093#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 */
Rafał Miłecki8369ae32011-05-09 18:56:46 +020097
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
Hauke Mehrtens2be25ca2012-01-31 00:03:32 +0100111/* 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 */
Hauke Mehrtens29f6b3d2012-04-29 02:18:50 +0200143#define BCMA_CORE_PCI_ASPMTIMER_EXTEND 0x01000000 /* > rev7: enable extend ASPM timer */
Hauke Mehrtens2be25ca2012-01-31 00:03:32 +0100144#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
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200168/* PCIcore specific boardflags */
169#define BCMA_CORE_PCI_BFL_NOPCI 0x00000400 /* Board leaves PCI floating */
170
Hauke Mehrtens49dc9572012-01-31 00:03:35 +0100171/* 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
Nathan Hintz990debe2013-01-10 22:24:03 -0800182#define BCMA_CORE_PCI_CFG_DEVCTRL 0xd8
183
Hauke Mehrtens521deea2013-08-24 00:32:33 +0200184#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
Hauke Mehrtens49dc9572012-01-31 00:03:35 +0100204/* PCIE Root Capability Register bits (Host mode only) */
205#define BCMA_CORE_PCI_RC_CRS_VISIBILITY 0x0001
206
207struct bcma_drv_pci;
Hauke Mehrtenscfe51ec2013-08-24 00:32:30 +0200208struct bcma_bus;
Hauke Mehrtens49dc9572012-01-31 00:03:35 +0100209
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
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200224struct bcma_drv_pci {
225 struct bcma_device *core;
226 u8 setup_done:1;
Hauke Mehrtens49dc9572012-01-31 00:03:35 +0100227 u8 hostmode:1;
228
229#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
230 struct bcma_drv_pci_host *host_controller;
231#endif
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200232};
233
234/* Register access */
Hauke Mehrtensec00f372012-04-29 02:18:51 +0200235#define pcicore_read16(pc, offset) bcma_read16((pc)->core, offset)
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200236#define pcicore_read32(pc, offset) bcma_read32((pc)->core, offset)
Hauke Mehrtensec00f372012-04-29 02:18:51 +0200237#define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val)
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200238#define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
239
Greg Kroah-Hartman0f58a012012-12-21 15:12:59 -0800240extern void bcma_core_pci_init(struct bcma_drv_pci *pc);
Rafał Miłecki440ca982011-06-18 01:01:59 +0200241extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
242 struct bcma_device *core, bool enable);
Hauke Mehrtenscfe51ec2013-08-24 00:32:30 +0200243extern void bcma_core_pci_up(struct bcma_bus *bus);
244extern void bcma_core_pci_down(struct bcma_bus *bus);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200245
Hauke Mehrtens49dc9572012-01-31 00:03:35 +0100246extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
247extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
248
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200249#endif /* LINUX_BCMA_DRIVER_PCI_H_ */