diff options
Diffstat (limited to 'arch/ppc/syslib/m82xx_pci.h')
-rw-r--r-- | arch/ppc/syslib/m82xx_pci.h | 92 |
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 | ||
85 | struct pci_controller; | ||
86 | extern 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 */ | ||