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32351a28 PM |
1 | /* |
2 | * Renesas Solutions Highlander R7780RP-1 Support. | |
3 | * | |
4 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. | |
5 | * Copyright (C) 2006 Paul Mundt | |
da2d7f4b | 6 | * Copyright (C) 2008 Magnus Damm |
32351a28 PM |
7 | * |
8 | * This file is subject to the terms and conditions of the GNU General Public | |
9 | * License. See the file "COPYING" in the main directory of this archive | |
10 | * for more details. | |
11 | */ | |
12 | #include <linux/init.h> | |
da2d7f4b | 13 | #include <linux/irq.h> |
c3fae6d1 | 14 | #include <linux/io.h> |
7639a454 | 15 | #include <mach/highlander.h> |
32351a28 | 16 | |
da2d7f4b MD |
17 | enum { |
18 | UNUSED = 0, | |
19 | ||
20 | /* board specific interrupt sources */ | |
21 | ||
22 | AX88796, /* Ethernet controller */ | |
23 | PSW, /* Push Switch */ | |
24 | CF, /* Compact Flash */ | |
25 | ||
26 | PCI_A, | |
27 | PCI_B, | |
28 | PCI_C, | |
29 | PCI_D, | |
30 | }; | |
31 | ||
32 | static struct intc_vect vectors[] __initdata = { | |
33 | INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */ | |
34 | INTC_IRQ(PCI_B, 66), | |
35 | INTC_IRQ(PCI_C, 67), | |
36 | INTC_IRQ(PCI_D, 68), | |
37 | INTC_IRQ(CF, IRQ_CF), | |
38 | INTC_IRQ(PSW, IRQ_PSW), | |
39 | INTC_IRQ(AX88796, IRQ_AX88796), | |
40 | }; | |
41 | ||
42 | static struct intc_mask_reg mask_registers[] __initdata = { | |
43 | { 0xa5000000, 0, 16, /* IRLMSK */ | |
44 | { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0, | |
45 | 0, 0, 0, 0, 0, 0, PSW, AX88796 } }, | |
46 | }; | |
47 | ||
48 | static unsigned char irl2irq[HL_NR_IRL] __initdata = { | |
49 | 65, 66, 67, 68, | |
50 | IRQ_CF, 0, 0, 0, | |
51 | 0, 0, 0, 0, | |
52 | IRQ_AX88796, IRQ_PSW | |
53 | }; | |
54 | ||
55 | static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors, | |
56 | NULL, mask_registers, NULL, NULL); | |
57 | ||
ae8a5348 | 58 | unsigned char * __init highlander_plat_irq_setup(void) |
32351a28 | 59 | { |
9d56dd3b | 60 | if (__raw_readw(0xa5000600)) { |
da2d7f4b MD |
61 | printk(KERN_INFO "Using r7780rp interrupt controller.\n"); |
62 | register_intc_controller(&intc_desc); | |
63 | return irl2irq; | |
64 | } | |
897cfcd8 MD |
65 | |
66 | return NULL; | |
32351a28 | 67 | } |