aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-ia64/sn/pcibr_provider.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-ia64/sn/pcibr_provider.h')
-rw-r--r--include/asm-ia64/sn/pcibr_provider.h150
1 files changed, 0 insertions, 150 deletions
diff --git a/include/asm-ia64/sn/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h
deleted file mode 100644
index da205b7cdaac..000000000000
--- a/include/asm-ia64/sn/pcibr_provider.h
+++ /dev/null
@@ -1,150 +0,0 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1992-1997,2000-2006 Silicon Graphics, Inc. All rights reserved.
7 */
8#ifndef _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H
9#define _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H
10
11#include <asm/sn/intr.h>
12#include <asm/sn/pcibus_provider_defs.h>
13
14/* Workarounds */
15#define PV907516 (1 << 1) /* TIOCP: Don't write the write buffer flush reg */
16
17#define BUSTYPE_MASK 0x1
18
19/* Macros given a pcibus structure */
20#define IS_PCIX(ps) ((ps)->pbi_bridge_mode & BUSTYPE_MASK)
21#define IS_PCI_BRIDGE_ASIC(asic) (asic == PCIIO_ASIC_TYPE_PIC || \
22 asic == PCIIO_ASIC_TYPE_TIOCP)
23#define IS_PIC_SOFT(ps) (ps->pbi_bridge_type == PCIBR_BRIDGETYPE_PIC)
24#define IS_TIOCP_SOFT(ps) (ps->pbi_bridge_type == PCIBR_BRIDGETYPE_TIOCP)
25
26
27/*
28 * The different PCI Bridge types supported on the SGI Altix platforms
29 */
30#define PCIBR_BRIDGETYPE_UNKNOWN -1
31#define PCIBR_BRIDGETYPE_PIC 2
32#define PCIBR_BRIDGETYPE_TIOCP 3
33
34/*
35 * Bridge 64bit Direct Map Attributes
36 */
37#define PCI64_ATTR_PREF (1ull << 59)
38#define PCI64_ATTR_PREC (1ull << 58)
39#define PCI64_ATTR_VIRTUAL (1ull << 57)
40#define PCI64_ATTR_BAR (1ull << 56)
41#define PCI64_ATTR_SWAP (1ull << 55)
42#define PCI64_ATTR_VIRTUAL1 (1ull << 54)
43
44#define PCI32_LOCAL_BASE 0
45#define PCI32_MAPPED_BASE 0x40000000
46#define PCI32_DIRECT_BASE 0x80000000
47
48#define IS_PCI32_MAPPED(x) ((u64)(x) < PCI32_DIRECT_BASE && \
49 (u64)(x) >= PCI32_MAPPED_BASE)
50#define IS_PCI32_DIRECT(x) ((u64)(x) >= PCI32_MAPPED_BASE)
51
52
53/*
54 * Bridge PMU Address Transaltion Entry Attibutes
55 */
56#define PCI32_ATE_V (0x1 << 0)
57#define PCI32_ATE_CO (0x1 << 1) /* PIC ASIC ONLY */
58#define PCI32_ATE_PIO (0x1 << 1) /* TIOCP ASIC ONLY */
59#define PCI32_ATE_MSI (0x1 << 2)
60#define PCI32_ATE_PREF (0x1 << 3)
61#define PCI32_ATE_BAR (0x1 << 4)
62#define PCI32_ATE_ADDR_SHFT 12
63
64#define MINIMAL_ATES_REQUIRED(addr, size) \
65 (IOPG(IOPGOFF(addr) + (size) - 1) == IOPG((size) - 1))
66
67#define MINIMAL_ATE_FLAG(addr, size) \
68 (MINIMAL_ATES_REQUIRED((u64)addr, size) ? 1 : 0)
69
70/* bit 29 of the pci address is the SWAP bit */
71#define ATE_SWAPSHIFT 29
72#define ATE_SWAP_ON(x) ((x) |= (1 << ATE_SWAPSHIFT))
73#define ATE_SWAP_OFF(x) ((x) &= ~(1 << ATE_SWAPSHIFT))
74
75/*
76 * I/O page size
77 */
78#if PAGE_SIZE < 16384
79#define IOPFNSHIFT 12 /* 4K per mapped page */
80#else
81#define IOPFNSHIFT 14 /* 16K per mapped page */
82#endif
83
84#define IOPGSIZE (1 << IOPFNSHIFT)
85#define IOPG(x) ((x) >> IOPFNSHIFT)
86#define IOPGOFF(x) ((x) & (IOPGSIZE-1))
87
88#define PCIBR_DEV_SWAP_DIR (1ull << 19)
89#define PCIBR_CTRL_PAGE_SIZE (0x1 << 21)
90
91/*
92 * PMU resources.
93 */
94struct ate_resource{
95 u64 *ate;
96 u64 num_ate;
97 u64 lowest_free_index;
98};
99
100struct pcibus_info {
101 struct pcibus_bussoft pbi_buscommon; /* common header */
102 u32 pbi_moduleid;
103 short pbi_bridge_type;
104 short pbi_bridge_mode;
105
106 struct ate_resource pbi_int_ate_resource;
107 u64 pbi_int_ate_size;
108
109 u64 pbi_dir_xbase;
110 char pbi_hub_xid;
111
112 u64 pbi_devreg[8];
113
114 u32 pbi_valid_devices;
115 u32 pbi_enabled_devices;
116
117 spinlock_t pbi_lock;
118};
119
120extern int pcibr_init_provider(void);
121extern void *pcibr_bus_fixup(struct pcibus_bussoft *, struct pci_controller *);
122extern dma_addr_t pcibr_dma_map(struct pci_dev *, unsigned long, size_t, int type);
123extern dma_addr_t pcibr_dma_map_consistent(struct pci_dev *, unsigned long, size_t, int type);
124extern void pcibr_dma_unmap(struct pci_dev *, dma_addr_t, int);
125
126/*
127 * prototypes for the bridge asic register access routines in pcibr_reg.c
128 */
129extern void pcireg_control_bit_clr(struct pcibus_info *, u64);
130extern void pcireg_control_bit_set(struct pcibus_info *, u64);
131extern u64 pcireg_tflush_get(struct pcibus_info *);
132extern u64 pcireg_intr_status_get(struct pcibus_info *);
133extern void pcireg_intr_enable_bit_clr(struct pcibus_info *, u64);
134extern void pcireg_intr_enable_bit_set(struct pcibus_info *, u64);
135extern void pcireg_intr_addr_addr_set(struct pcibus_info *, int, u64);
136extern void pcireg_force_intr_set(struct pcibus_info *, int);
137extern u64 pcireg_wrb_flush_get(struct pcibus_info *, int);
138extern void pcireg_int_ate_set(struct pcibus_info *, int, u64);
139extern u64 __iomem * pcireg_int_ate_addr(struct pcibus_info *, int);
140extern void pcibr_force_interrupt(struct sn_irq_info *sn_irq_info);
141extern void pcibr_change_devices_irq(struct sn_irq_info *sn_irq_info);
142extern int pcibr_ate_alloc(struct pcibus_info *, int);
143extern void pcibr_ate_free(struct pcibus_info *, int);
144extern void ate_write(struct pcibus_info *, int, int, u64);
145extern int sal_pcibr_slot_enable(struct pcibus_info *soft, int device,
146 void *resp, char **ssdt);
147extern int sal_pcibr_slot_disable(struct pcibus_info *soft, int device,
148 int action, void *resp);
149extern u16 sn_ioboard_to_pci_bus(struct pci_bus *pci_bus);
150#endif