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-rw-r--r--arch/ppc/syslib/m82xx_pci.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/ppc/syslib/m82xx_pci.h b/arch/ppc/syslib/m82xx_pci.h
new file mode 100644
index 000000000000..924f73f8e595
--- /dev/null
+++ b/arch/ppc/syslib/m82xx_pci.h
@@ -0,0 +1,92 @@
1
2#ifndef _PPC_KERNEL_M82XX_PCI_H
3#define _PPC_KERNEL_M82XX_PCI_H
4
5#include <asm/m8260_pci.h>
6/*
7 * Local->PCI map (from CPU) controlled by
8 * MPC826x master window
9 *
10 * 0xF6000000 - 0xF7FFFFFF IO space
11 * 0x80000000 - 0xBFFFFFFF CPU2PCI memory space PCIBR0
12 *
13 * 0x80000000 - 0x9FFFFFFF PCI Mem with prefetch (Outbound ATU #1)
14 * 0xA0000000 - 0xBFFFFFFF PCI Mem w/o prefetch (Outbound ATU #2)
15 * 0xF6000000 - 0xF7FFFFFF 32-bit PCI IO (Outbound ATU #3)
16 *
17 * PCI->Local map (from PCI)
18 * MPC826x slave window controlled by
19 *
20 * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1)
21 */
22
23/*
24 * Slave window that allows PCI masters to access MPC826x local memory.
25 * This window is set up using the first set of Inbound ATU registers
26 */
27
28#ifndef M82xx_PCI_SLAVE_MEM_LOCAL
29#define M82xx_PCI_SLAVE_MEM_LOCAL (((struct bd_info *)__res)->bi_memstart)
30#define M82xx_PCI_SLAVE_MEM_BUS (((struct bd_info *)__res)->bi_memstart)
31#define M82xx_PCI_SLAVE_MEM_SIZE (((struct bd_info *)__res)->bi_memsize)
32#endif
33
34/*
35 * This is the window that allows the CPU to access PCI address space.
36 * It will be setup with the SIU PCIBR0 register. All three PCI master
37 * windows, which allow the CPU to access PCI prefetch, non prefetch,
38 * and IO space (see below), must all fit within this window.
39 */
40
41#ifndef M82xx_PCI_LOWER_MEM
42#define M82xx_PCI_LOWER_MEM 0x80000000
43#define M82xx_PCI_UPPER_MEM 0x9fffffff
44#define M82xx_PCI_MEM_OFFSET 0x00000000
45#define M82xx_PCI_MEM_SIZE 0x20000000
46#endif
47
48#ifndef M82xx_PCI_LOWER_MMIO
49#define M82xx_PCI_LOWER_MMIO 0xa0000000
50#define M82xx_PCI_UPPER_MMIO 0xafffffff
51#define M82xx_PCI_MMIO_OFFSET 0x00000000
52#define M82xx_PCI_MMIO_SIZE 0x20000000
53#endif
54
55#ifndef M82xx_PCI_LOWER_IO
56#define M82xx_PCI_LOWER_IO 0x00000000
57#define M82xx_PCI_UPPER_IO 0x01ffffff
58#define M82xx_PCI_IO_BASE 0xf6000000
59#define M82xx_PCI_IO_SIZE 0x02000000
60#endif
61
62#ifndef M82xx_PCI_PRIM_WND_SIZE
63#define M82xx_PCI_PRIM_WND_SIZE ~(M82xx_PCI_IO_SIZE - 1U)
64#define M82xx_PCI_PRIM_WND_BASE (M82xx_PCI_IO_BASE)
65#endif
66
67#ifndef M82xx_PCI_SEC_WND_SIZE
68#define M82xx_PCI_SEC_WND_SIZE ~(M82xx_PCI_MEM_SIZE + M82xx_PCI_MMIO_SIZE - 1U)
69#define M82xx_PCI_SEC_WND_BASE (M82xx_PCI_LOWER_MEM)
70#endif
71
72#ifndef POTA_ADDR_SHIFT
73#define POTA_ADDR_SHIFT 12
74#endif
75
76#ifndef PITA_ADDR_SHIFT
77#define PITA_ADDR_SHIFT 12
78#endif
79
80#ifndef _IO_BASE
81#define _IO_BASE isa_io_base
82#endif
83
84#ifdef CONFIG_8260_PCI9
85struct pci_controller;
86extern void setup_m8260_indirect_pci(struct pci_controller* hose,
87 u32 cfg_addr, u32 cfg_data);
88#else
89#define setup_m8260_indirect_pci setup_indirect_pci
90#endif
91
92#endif /* _PPC_KERNEL_M8260_PCI_H */