1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef LINUX_SSB_PCICORE_H_ 3#define LINUX_SSB_PCICORE_H_ 4 5#include <linux/types.h> 6 7struct pci_dev; 8 9 10#ifdef CONFIG_SSB_DRIVER_PCICORE 11 12/* PCI core registers. */ 13#define SSB_PCICORE_CTL 0x0000 /* PCI Control */ 14#define SSB_PCICORE_CTL_RST_OE 0x00000001 /* PCI_RESET Output Enable */ 15#define SSB_PCICORE_CTL_RST 0x00000002 /* PCI_RESET driven out to pin */ 16#define SSB_PCICORE_CTL_CLK_OE 0x00000004 /* Clock gate Output Enable */ 17#define SSB_PCICORE_CTL_CLK 0x00000008 /* Gate for clock driven out to pin */ 18#define SSB_PCICORE_ARBCTL 0x0010 /* PCI Arbiter Control */ 19#define SSB_PCICORE_ARBCTL_INTERN 0x00000001 /* Use internal arbiter */ 20#define SSB_PCICORE_ARBCTL_EXTERN 0x00000002 /* Use external arbiter */ 21#define SSB_PCICORE_ARBCTL_PARKID 0x00000006 /* Mask, selects which agent is parked on an idle bus */ 22#define SSB_PCICORE_ARBCTL_PARKID_LAST 0x00000000 /* Last requestor */ 23#define SSB_PCICORE_ARBCTL_PARKID_4710 0x00000002 /* 4710 */ 24#define SSB_PCICORE_ARBCTL_PARKID_EXT0 0x00000004 /* External requestor 0 */ 25#define SSB_PCICORE_ARBCTL_PARKID_EXT1 0x00000006 /* External requestor 1 */ 26#define SSB_PCICORE_ISTAT 0x0020 /* Interrupt status */ 27#define SSB_PCICORE_ISTAT_INTA 0x00000001 /* PCI INTA# */ 28#define SSB_PCICORE_ISTAT_INTB 0x00000002 /* PCI INTB# */ 29#define SSB_PCICORE_ISTAT_SERR 0x00000004 /* PCI SERR# (write to clear) */ 30#define SSB_PCICORE_ISTAT_PERR 0x00000008 /* PCI PERR# (write to clear) */ 31#define SSB_PCICORE_ISTAT_PME 0x00000010 /* PCI PME# */ 32#define SSB_PCICORE_IMASK 0x0024 /* Interrupt mask */ 33#define SSB_PCICORE_IMASK_INTA 0x00000001 /* PCI INTA# */ 34#define SSB_PCICORE_IMASK_INTB 0x00000002 /* PCI INTB# */ 35#define SSB_PCICORE_IMASK_SERR 0x00000004 /* PCI SERR# */ 36#define SSB_PCICORE_IMASK_PERR 0x00000008 /* PCI PERR# */ 37#define SSB_PCICORE_IMASK_PME 0x00000010 /* PCI PME# */ 38#define SSB_PCICORE_MBOX 0x0028 /* Backplane to PCI Mailbox */ 39#define SSB_PCICORE_MBOX_F0_0 0x00000100 /* PCI function 0, INT 0 */ 40#define SSB_PCICORE_MBOX_F0_1 0x00000200 /* PCI function 0, INT 1 */ 41#define SSB_PCICORE_MBOX_F1_0 0x00000400 /* PCI function 1, INT 0 */ 42#define SSB_PCICORE_MBOX_F1_1 0x00000800 /* PCI function 1, INT 1 */ 43#define SSB_PCICORE_MBOX_F2_0 0x00001000 /* PCI function 2, INT 0 */ 44#define SSB_PCICORE_MBOX_F2_1 0x00002000 /* PCI function 2, INT 1 */ 45#define SSB_PCICORE_MBOX_F3_0 0x00004000 /* PCI function 3, INT 0 */ 46#define SSB_PCICORE_MBOX_F3_1 0x00008000 /* PCI function 3, INT 1 */ 47#define SSB_PCICORE_BCAST_ADDR 0x0050 /* Backplane Broadcast Address */ 48#define SSB_PCICORE_BCAST_ADDR_MASK 0x000000FF 49#define SSB_PCICORE_BCAST_DATA 0x0054 /* Backplane Broadcast Data */ 50#define SSB_PCICORE_GPIO_IN 0x0060 /* rev >= 2 only */ 51#define SSB_PCICORE_GPIO_OUT 0x0064 /* rev >= 2 only */ 52#define SSB_PCICORE_GPIO_ENABLE 0x0068 /* rev >= 2 only */ 53#define SSB_PCICORE_GPIO_CTL 0x006C /* rev >= 2 only */ 54#define SSB_PCICORE_SBTOPCI0 0x0100 /* Backplane to PCI translation 0 (sbtopci0) */ 55#define SSB_PCICORE_SBTOPCI0_MASK 0xFC000000 56#define SSB_PCICORE_SBTOPCI1 0x0104 /* Backplane to PCI translation 1 (sbtopci1) */ 57#define SSB_PCICORE_SBTOPCI1_MASK 0xFC000000 58#define SSB_PCICORE_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */ 59#define SSB_PCICORE_SBTOPCI2_MASK 0xC0000000 60#define SSB_PCICORE_PCICFG0 0x0400 /* PCI config space 0 (rev >= 8) */ 61#define SSB_PCICORE_PCICFG1 0x0500 /* PCI config space 1 (rev >= 8) */ 62#define SSB_PCICORE_PCICFG2 0x0600 /* PCI config space 2 (rev >= 8) */ 63#define SSB_PCICORE_PCICFG3 0x0700 /* PCI config space 3 (rev >= 8) */ 64#define SSB_PCICORE_SPROM(wordoffset) (0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */ 65 66/* SBtoPCIx */ 67#define SSB_PCICORE_SBTOPCI_MEM 0x00000000 68#define SSB_PCICORE_SBTOPCI_IO 0x00000001 69#define SSB_PCICORE_SBTOPCI_CFG0 0x00000002 70#define SSB_PCICORE_SBTOPCI_CFG1 0x00000003 71#define SSB_PCICORE_SBTOPCI_PREF 0x00000004 /* Prefetch enable */ 72#define SSB_PCICORE_SBTOPCI_BURST 0x00000008 /* Burst enable */ 73#define SSB_PCICORE_SBTOPCI_MRM 0x00000020 /* Memory Read Multiple */ 74#define SSB_PCICORE_SBTOPCI_RC 0x00000030 /* Read Command mask (rev >= 11) */ 75#define SSB_PCICORE_SBTOPCI_RC_READ 0x00000000 /* Memory read */ 76#define SSB_PCICORE_SBTOPCI_RC_READL 0x00000010 /* Memory read line */ 77#define SSB_PCICORE_SBTOPCI_RC_READM 0x00000020 /* Memory read multiple */ 78 79 80/* PCIcore specific boardflags */ 81#define SSB_PCICORE_BFL_NOPCI 0x00000400 /* Board leaves PCI floating */ 82 83 84struct ssb_pcicore { 85 struct ssb_device *dev; 86 u8 setup_done:1; 87 u8 hostmode:1; 88 u8 cardbusmode:1; 89}; 90 91extern void ssb_pcicore_init(struct ssb_pcicore *pc); 92 93/* Enable IRQ routing for a specific device */ 94extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, 95 struct ssb_device *dev); 96 97int ssb_pcicore_plat_dev_init(struct pci_dev *d); 98int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); 99 100 101#else /* CONFIG_SSB_DRIVER_PCICORE */ 102 103 104struct ssb_pcicore { 105}; 106 107static inline 108void ssb_pcicore_init(struct ssb_pcicore *pc) 109{ 110} 111 112static inline 113int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, 114 struct ssb_device *dev) 115{ 116 return 0; 117} 118 119static inline 120int ssb_pcicore_plat_dev_init(struct pci_dev *d) 121{ 122 return -ENODEV; 123} 124static inline 125int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) 126{ 127 return -ENODEV; 128} 129 130#endif /* CONFIG_SSB_DRIVER_PCICORE */ 131#endif /* LINUX_SSB_PCICORE_H_ */ 132