Paul Mundt | 32351a2 | 2007-03-12 14:38:59 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Renesas Solutions Highlander R7780RP-1 Support. |
| 3 | * |
| 4 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. |
| 5 | * Copyright (C) 2006 Paul Mundt |
Magnus Damm | da2d7f4 | 2008-01-25 16:04:29 +0900 | [diff] [blame] | 6 | * Copyright (C) 2008 Magnus Damm |
Paul Mundt | 32351a2 | 2007-03-12 14:38:59 +0900 | [diff] [blame] | 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> |
Magnus Damm | da2d7f4 | 2008-01-25 16:04:29 +0900 | [diff] [blame] | 13 | #include <linux/irq.h> |
Paul Mundt | c3fae6d | 2007-09-14 09:26:07 +0900 | [diff] [blame] | 14 | #include <linux/io.h> |
Paul Mundt | 32351a2 | 2007-03-12 14:38:59 +0900 | [diff] [blame] | 15 | #include <asm/r7780rp.h> |
| 16 | |
Magnus Damm | da2d7f4 | 2008-01-25 16:04:29 +0900 | [diff] [blame] | 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 | |
Paul Mundt | ae8a534 | 2008-04-25 17:58:21 +0900 | [diff] [blame] | 58 | unsigned char * __init highlander_plat_irq_setup(void) |
Paul Mundt | 32351a2 | 2007-03-12 14:38:59 +0900 | [diff] [blame] | 59 | { |
Magnus Damm | da2d7f4 | 2008-01-25 16:04:29 +0900 | [diff] [blame] | 60 | if (ctrl_inw(0xa5000600)) { |
| 61 | printk(KERN_INFO "Using r7780rp interrupt controller.\n"); |
| 62 | register_intc_controller(&intc_desc); |
| 63 | return irl2irq; |
| 64 | } |
Magnus Damm | 897cfcd8 | 2007-09-10 12:06:03 +0900 | [diff] [blame] | 65 | |
| 66 | return NULL; |
Paul Mundt | 32351a2 | 2007-03-12 14:38:59 +0900 | [diff] [blame] | 67 | } |