dect/linux-2.6
Archived
14
0
Fork 0
Code Releases Activity
This repository has been archived on 2022-02-17. You can view files and clone it, but cannot push or open issues or pull requests.
linux-2.6/include/linux/bcma/bcma_driver_pci.h
Hauke Mehrtens 49dc957715 bcma: add PCIe host controller 
Some SoCs have a PCIe host controller to make it possible to attach
some other devices to it, like an other Wifi card.
This code was tested with an Netgear WNDR3400 (bcm4716 based), but
should work with all bcma based SoCs.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-02-06 14:53:04 -05:00

215 lines
12 KiB
C
Raw Blame History

#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) */
/* 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_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 */
/* PCIE Root Capability Register bits (Host mode only) */
#define BCMA_CORE_PCI_RC_CRS_VISIBILITY 0x0001
struct bcma_drv_pci;
#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_read32(pc, offset) bcma_read32((pc)->core, offset)
#define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val)
extern void __devinit 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 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_ */
View git blame Copy permalink