diff options
Diffstat (limited to 'arch/sh/drivers/pci/ops-se7780.c')
-rw-r--r-- | arch/sh/drivers/pci/ops-se7780.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/ops-se7780.c b/arch/sh/drivers/pci/ops-se7780.c new file mode 100644 index 000000000000..212674df5e13 --- /dev/null +++ b/arch/sh/drivers/pci/ops-se7780.c | |||
@@ -0,0 +1,96 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/drivers/pci/ops-se7780.c | ||
3 | * | ||
4 | * Copyright (C) 2006 Nobuhiro Iwamatsu | ||
5 | * | ||
6 | * PCI initialization for the Hitachi UL Solution Engine 7780SE03 | ||
7 | * | ||
8 | * May be copied or modified under the terms of the GNU General Public | ||
9 | * License. See linux/COPYING for more information. | ||
10 | */ | ||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/types.h> | ||
13 | #include <linux/init.h> | ||
14 | #include <linux/delay.h> | ||
15 | #include <linux/pci.h> | ||
16 | #include <asm/se7780.h> | ||
17 | #include <asm/io.h> | ||
18 | #include "pci-sh4.h" | ||
19 | |||
20 | /* | ||
21 | * IDSEL = AD16 PCI slot | ||
22 | * IDSEL = AD17 PCI slot | ||
23 | * IDSEL = AD18 Serial ATA Controller (Silicon Image SiL3512A) | ||
24 | * IDSEL = AD19 USB Host Controller (NEC uPD7210100A) | ||
25 | */ | ||
26 | |||
27 | /* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */ | ||
28 | static char se7780_irq_tab[4][16] __initdata = { | ||
29 | /* INTA */ | ||
30 | { 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, | ||
31 | /* INTB */ | ||
32 | { 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, | ||
33 | /* INTC */ | ||
34 | { 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, | ||
35 | /* INTD */ | ||
36 | { 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, | ||
37 | }; | ||
38 | |||
39 | int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) | ||
40 | { | ||
41 | return se7780_irq_tab[pin-1][slot]; | ||
42 | } | ||
43 | |||
44 | static struct resource se7780_io_resource = { | ||
45 | .name = "SH7780_IO", | ||
46 | .start = 0x2000, | ||
47 | .end = 0x2000 + SH7780_PCI_IO_SIZE - 1, | ||
48 | .flags = IORESOURCE_IO | ||
49 | }; | ||
50 | |||
51 | static struct resource se7780_mem_resource = { | ||
52 | .name = "SH7780_mem", | ||
53 | .start = SH7780_PCI_MEMORY_BASE, | ||
54 | .end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1, | ||
55 | .flags = IORESOURCE_MEM | ||
56 | }; | ||
57 | |||
58 | extern struct pci_ops se7780_pci_ops; | ||
59 | |||
60 | struct pci_channel board_pci_channels[] = { | ||
61 | { &sh4_pci_ops, &se7780_io_resource, &se7780_mem_resource, 0, 0xff }, | ||
62 | { NULL, NULL, NULL, 0, 0 }, | ||
63 | }; | ||
64 | EXPORT_SYMBOL(board_pci_channels); | ||
65 | |||
66 | static struct sh4_pci_address_map se7780_pci_map = { | ||
67 | .window0 = { | ||
68 | .base = SH7780_CS2_BASE_ADDR, | ||
69 | .size = 0x04000000, | ||
70 | }, | ||
71 | .flags = SH4_PCIC_NO_RESET, | ||
72 | }; | ||
73 | |||
74 | int __init pcibios_init_platform(void) | ||
75 | { | ||
76 | printk("SH7780 PCI: Finished initialization of the PCI controller\n"); | ||
77 | |||
78 | /* | ||
79 | * FPGA PCISEL register initialize | ||
80 | * | ||
81 | * CPU || SLOT1 | SLOT2 | S-ATA | USB | ||
82 | * ------------------------------------- | ||
83 | * INTA || INTA | INTD | -- | INTB | ||
84 | * ------------------------------------- | ||
85 | * INTB || INTB | INTA | -- | INTC | ||
86 | * ------------------------------------- | ||
87 | * INTC || INTC | INTB | INTA | -- | ||
88 | * ------------------------------------- | ||
89 | * INTD || INTD | INTC | -- | INTA | ||
90 | * ------------------------------------- | ||
91 | */ | ||
92 | ctrl_outw(0x0013, FPGA_PCI_INTSEL1); | ||
93 | ctrl_outw(0xE402, FPGA_PCI_INTSEL2); | ||
94 | |||
95 | return sh7780_pcic_init(&se7780_pci_map); | ||
96 | } | ||