diff options
-rw-r--r-- | arch/powerpc/Makefile | 15 | ||||
-rw-r--r-- | arch/powerpc/sysdev/Makefile | 4 | ||||
-rw-r--r-- | arch/powerpc/sysdev/indirect_pci.c | 134 | ||||
-rw-r--r-- | arch/ppc/syslib/Makefile | 14 |
4 files changed, 143 insertions, 24 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 064864065753..a4c605f469d4 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile | |||
@@ -124,15 +124,12 @@ head-$(CONFIG_6xx) += arch/powerpc/kernel/idle_6xx.o | |||
124 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o | 124 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
125 | endif | 125 | endif |
126 | 126 | ||
127 | core-y += arch/powerpc/kernel/ | 127 | core-y += arch/powerpc/kernel/ \ |
128 | core-y += arch/$(OLDARCH)/kernel/ | 128 | arch/$(OLDARCH)/kernel/ \ |
129 | core-$(CONFIG_PPC32) += arch/powerpc/mm/ | 129 | arch/powerpc/mm/ \ |
130 | core-$(CONFIG_PPC64) += arch/$(OLDARCH)/mm/ | 130 | arch/powerpc/lib/ \ |
131 | core-$(CONFIG_PPC32) += arch/powerpc/lib/ | 131 | arch/powerpc/sysdev/ \ |
132 | libs-$(CONFIG_PPC64) += arch/$(OLDARCH)/lib/ | 132 | arch/powerpc/platforms/ |
133 | core-y += arch/powerpc/sysdev/ | ||
134 | core-y += arch/powerpc/platforms/ | ||
135 | core-$(CONFIG_PPC32) += arch/ppc/syslib/ | ||
136 | core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ | 133 | core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ |
137 | core-$(CONFIG_XMON) += arch/powerpc/xmon/ | 134 | core-$(CONFIG_XMON) += arch/powerpc/xmon/ |
138 | core-$(CONFIG_APUS) += arch/ppc/amiga/ | 135 | core-$(CONFIG_APUS) += arch/ppc/amiga/ |
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 26bdcd9a2a43..c649f03acf68 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile | |||
@@ -1 +1,3 @@ | |||
1 | obj-$(CONFIG_MPIC) += mpic.o | 1 | obj-$(CONFIG_MPIC) += mpic.o |
2 | indirectpci-$(CONFIG_PPC_PMAC) = indirect_pci.o | ||
3 | obj-$(CONFIG_PPC32) += $(indirectpci-y) | ||
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c new file mode 100644 index 000000000000..e71488469704 --- /dev/null +++ b/arch/powerpc/sysdev/indirect_pci.c | |||
@@ -0,0 +1,134 @@ | |||
1 | /* | ||
2 | * Support for indirect PCI bridges. | ||
3 | * | ||
4 | * Copyright (C) 1998 Gabriel Paubert. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #include <linux/kernel.h> | ||
13 | #include <linux/pci.h> | ||
14 | #include <linux/delay.h> | ||
15 | #include <linux/string.h> | ||
16 | #include <linux/init.h> | ||
17 | |||
18 | #include <asm/io.h> | ||
19 | #include <asm/prom.h> | ||
20 | #include <asm/pci-bridge.h> | ||
21 | #include <asm/machdep.h> | ||
22 | |||
23 | #ifdef CONFIG_PPC_INDIRECT_PCI_BE | ||
24 | #define PCI_CFG_OUT out_be32 | ||
25 | #else | ||
26 | #define PCI_CFG_OUT out_le32 | ||
27 | #endif | ||
28 | |||
29 | static int | ||
30 | indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset, | ||
31 | int len, u32 *val) | ||
32 | { | ||
33 | struct pci_controller *hose = bus->sysdata; | ||
34 | volatile void __iomem *cfg_data; | ||
35 | u8 cfg_type = 0; | ||
36 | |||
37 | if (ppc_md.pci_exclude_device) | ||
38 | if (ppc_md.pci_exclude_device(bus->number, devfn)) | ||
39 | return PCIBIOS_DEVICE_NOT_FOUND; | ||
40 | |||
41 | if (hose->set_cfg_type) | ||
42 | if (bus->number != hose->first_busno) | ||
43 | cfg_type = 1; | ||
44 | |||
45 | PCI_CFG_OUT(hose->cfg_addr, | ||
46 | (0x80000000 | ((bus->number - hose->bus_offset) << 16) | ||
47 | | (devfn << 8) | ((offset & 0xfc) | cfg_type))); | ||
48 | |||
49 | /* | ||
50 | * Note: the caller has already checked that offset is | ||
51 | * suitably aligned and that len is 1, 2 or 4. | ||
52 | */ | ||
53 | cfg_data = hose->cfg_data + (offset & 3); | ||
54 | switch (len) { | ||
55 | case 1: | ||
56 | *val = in_8(cfg_data); | ||
57 | break; | ||
58 | case 2: | ||
59 | *val = in_le16(cfg_data); | ||
60 | break; | ||
61 | default: | ||
62 | *val = in_le32(cfg_data); | ||
63 | break; | ||
64 | } | ||
65 | return PCIBIOS_SUCCESSFUL; | ||
66 | } | ||
67 | |||
68 | static int | ||
69 | indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, | ||
70 | int len, u32 val) | ||
71 | { | ||
72 | struct pci_controller *hose = bus->sysdata; | ||
73 | volatile void __iomem *cfg_data; | ||
74 | u8 cfg_type = 0; | ||
75 | |||
76 | if (ppc_md.pci_exclude_device) | ||
77 | if (ppc_md.pci_exclude_device(bus->number, devfn)) | ||
78 | return PCIBIOS_DEVICE_NOT_FOUND; | ||
79 | |||
80 | if (hose->set_cfg_type) | ||
81 | if (bus->number != hose->first_busno) | ||
82 | cfg_type = 1; | ||
83 | |||
84 | PCI_CFG_OUT(hose->cfg_addr, | ||
85 | (0x80000000 | ((bus->number - hose->bus_offset) << 16) | ||
86 | | (devfn << 8) | ((offset & 0xfc) | cfg_type))); | ||
87 | |||
88 | /* | ||
89 | * Note: the caller has already checked that offset is | ||
90 | * suitably aligned and that len is 1, 2 or 4. | ||
91 | */ | ||
92 | cfg_data = hose->cfg_data + (offset & 3); | ||
93 | switch (len) { | ||
94 | case 1: | ||
95 | out_8(cfg_data, val); | ||
96 | break; | ||
97 | case 2: | ||
98 | out_le16(cfg_data, val); | ||
99 | break; | ||
100 | default: | ||
101 | out_le32(cfg_data, val); | ||
102 | break; | ||
103 | } | ||
104 | return PCIBIOS_SUCCESSFUL; | ||
105 | } | ||
106 | |||
107 | static struct pci_ops indirect_pci_ops = | ||
108 | { | ||
109 | indirect_read_config, | ||
110 | indirect_write_config | ||
111 | }; | ||
112 | |||
113 | void __init | ||
114 | setup_indirect_pci_nomap(struct pci_controller* hose, void __iomem * cfg_addr, | ||
115 | void __iomem * cfg_data) | ||
116 | { | ||
117 | hose->cfg_addr = cfg_addr; | ||
118 | hose->cfg_data = cfg_data; | ||
119 | hose->ops = &indirect_pci_ops; | ||
120 | } | ||
121 | |||
122 | void __init | ||
123 | setup_indirect_pci(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data) | ||
124 | { | ||
125 | unsigned long base = cfg_addr & PAGE_MASK; | ||
126 | void __iomem *mbase, *addr, *data; | ||
127 | |||
128 | mbase = ioremap(base, PAGE_SIZE); | ||
129 | addr = mbase + (cfg_addr & ~PAGE_MASK); | ||
130 | if ((cfg_data & PAGE_MASK) != base) | ||
131 | mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE); | ||
132 | data = mbase + (cfg_data & ~PAGE_MASK); | ||
133 | setup_indirect_pci_nomap(hose, addr, data); | ||
134 | } | ||
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile index 1b0a84931afc..b8d08f33f7ee 100644 --- a/arch/ppc/syslib/Makefile +++ b/arch/ppc/syslib/Makefile | |||
@@ -5,7 +5,6 @@ | |||
5 | CFLAGS_prom_init.o += -fPIC | 5 | CFLAGS_prom_init.o += -fPIC |
6 | CFLAGS_btext.o += -fPIC | 6 | CFLAGS_btext.o += -fPIC |
7 | 7 | ||
8 | ifneq ($(CONFIG_PPC_MERGE),y) | ||
9 | wdt-mpc8xx-$(CONFIG_8xx_WDT) += m8xx_wdt.o | 8 | wdt-mpc8xx-$(CONFIG_8xx_WDT) += m8xx_wdt.o |
10 | 9 | ||
11 | obj-$(CONFIG_PPCBUG_NVRAM) += prep_nvram.o | 10 | obj-$(CONFIG_PPCBUG_NVRAM) += prep_nvram.o |
@@ -110,16 +109,3 @@ obj-$(CONFIG_PPC_MPC52xx) += mpc52xx_setup.o mpc52xx_pic.o \ | |||
110 | ifeq ($(CONFIG_PPC_MPC52xx),y) | 109 | ifeq ($(CONFIG_PPC_MPC52xx),y) |
111 | obj-$(CONFIG_PCI) += mpc52xx_pci.o | 110 | obj-$(CONFIG_PCI) += mpc52xx_pci.o |
112 | endif | 111 | endif |
113 | |||
114 | else | ||
115 | # Stuff still needed by the merged powerpc sources | ||
116 | |||
117 | obj-$(CONFIG_PPCBUG_NVRAM) += prep_nvram.o | ||
118 | obj-$(CONFIG_PPC_OF) += prom_init.o prom.o of_device.o | ||
119 | obj-$(CONFIG_PPC_PMAC) += indirect_pci.o | ||
120 | obj-$(CONFIG_PPC_CHRP) += indirect_pci.o i8259.o | ||
121 | obj-$(CONFIG_PPC_PREP) += indirect_pci.o i8259.o todc_time.o | ||
122 | obj-$(CONFIG_BOOTX_TEXT) += btext.o | ||
123 | obj-$(CONFIG_MPC10X_BRIDGE) += mpc10x_common.o indirect_pci.o ppc_sys.o | ||
124 | |||
125 | endif | ||