diff options
Diffstat (limited to 'arch/mips/pci/ops-marvell.c')
-rw-r--r-- | arch/mips/pci/ops-marvell.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/mips/pci/ops-marvell.c b/arch/mips/pci/ops-marvell.c deleted file mode 100644 index 1ac5c59199d1..000000000000 --- a/arch/mips/pci/ops-marvell.c +++ /dev/null | |||
@@ -1,93 +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) 2003, 2004 Ralf Baechle (ralf@linux-mips.org) | ||
7 | */ | ||
8 | #include <linux/kernel.h> | ||
9 | #include <linux/types.h> | ||
10 | #include <linux/pci.h> | ||
11 | |||
12 | #include <asm/marvell.h> | ||
13 | |||
14 | static int mv_read_config(struct pci_bus *bus, unsigned int devfn, | ||
15 | int where, int size, u32 * val) | ||
16 | { | ||
17 | struct mv_pci_controller *mvbc = bus->sysdata; | ||
18 | unsigned long address_reg, data_reg; | ||
19 | u32 address; | ||
20 | |||
21 | address_reg = mvbc->config_addr; | ||
22 | data_reg = mvbc->config_vreg; | ||
23 | |||
24 | /* Accessing device 31 crashes those Marvells. Since years. | ||
25 | Will they ever make sane controllers ... */ | ||
26 | if (PCI_SLOT(devfn) == 31) | ||
27 | return PCIBIOS_DEVICE_NOT_FOUND; | ||
28 | |||
29 | address = (bus->number << 16) | (devfn << 8) | | ||
30 | (where & 0xfc) | 0x80000000; | ||
31 | |||
32 | /* start the configuration cycle */ | ||
33 | MV_WRITE(address_reg, address); | ||
34 | |||
35 | switch (size) { | ||
36 | case 1: | ||
37 | *val = MV_READ_8(data_reg + (where & 0x3)); | ||
38 | break; | ||
39 | |||
40 | case 2: | ||
41 | *val = MV_READ_16(data_reg + (where & 0x3)); | ||
42 | break; | ||
43 | |||
44 | case 4: | ||
45 | *val = MV_READ(data_reg); | ||
46 | break; | ||
47 | } | ||
48 | |||
49 | return PCIBIOS_SUCCESSFUL; | ||
50 | } | ||
51 | |||
52 | static int mv_write_config(struct pci_bus *bus, unsigned int devfn, | ||
53 | int where, int size, u32 val) | ||
54 | { | ||
55 | struct mv_pci_controller *mvbc = bus->sysdata; | ||
56 | unsigned long address_reg, data_reg; | ||
57 | u32 address; | ||
58 | |||
59 | address_reg = mvbc->config_addr; | ||
60 | data_reg = mvbc->config_vreg; | ||
61 | |||
62 | /* Accessing device 31 crashes those Marvells. Since years. | ||
63 | Will they ever make sane controllers ... */ | ||
64 | if (PCI_SLOT(devfn) == 31) | ||
65 | return PCIBIOS_DEVICE_NOT_FOUND; | ||
66 | |||
67 | address = (bus->number << 16) | (devfn << 8) | | ||
68 | (where & 0xfc) | 0x80000000; | ||
69 | |||
70 | /* start the configuration cycle */ | ||
71 | MV_WRITE(address_reg, address); | ||
72 | |||
73 | switch (size) { | ||
74 | case 1: | ||
75 | MV_WRITE_8(data_reg + (where & 0x3), val); | ||
76 | break; | ||
77 | |||
78 | case 2: | ||
79 | MV_WRITE_16(data_reg + (where & 0x3), val); | ||
80 | break; | ||
81 | |||
82 | case 4: | ||
83 | MV_WRITE(data_reg, val); | ||
84 | break; | ||
85 | } | ||
86 | |||
87 | return PCIBIOS_SUCCESSFUL; | ||
88 | } | ||
89 | |||
90 | struct pci_ops mv_pci_ops = { | ||
91 | .read = mv_read_config, | ||
92 | .write = mv_write_config | ||
93 | }; | ||