diff options
Diffstat (limited to 'kernel/arch/sh/boards/mach-highlander/irq-r7780rp.c')
-rw-r--r-- | kernel/arch/sh/boards/mach-highlander/irq-r7780rp.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/kernel/arch/sh/boards/mach-highlander/irq-r7780rp.c b/kernel/arch/sh/boards/mach-highlander/irq-r7780rp.c new file mode 100644 index 000000000..0805b2151 --- /dev/null +++ b/kernel/arch/sh/boards/mach-highlander/irq-r7780rp.c @@ -0,0 +1,67 @@ +/* + * Renesas Solutions Highlander R7780RP-1 Support. + * + * Copyright (C) 2002 Atom Create Engineering Co., Ltd. + * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2008 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <mach/highlander.h> + +enum { + UNUSED = 0, + + /* board specific interrupt sources */ + + AX88796, /* Ethernet controller */ + PSW, /* Push Switch */ + CF, /* Compact Flash */ + + PCI_A, + PCI_B, + PCI_C, + PCI_D, +}; + +static struct intc_vect vectors[] __initdata = { + INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */ + INTC_IRQ(PCI_B, 66), + INTC_IRQ(PCI_C, 67), + INTC_IRQ(PCI_D, 68), + INTC_IRQ(CF, IRQ_CF), + INTC_IRQ(PSW, IRQ_PSW), + INTC_IRQ(AX88796, IRQ_AX88796), +}; + +static struct intc_mask_reg mask_registers[] __initdata = { + { 0xa5000000, 0, 16, /* IRLMSK */ + { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0, + 0, 0, 0, 0, 0, 0, PSW, AX88796 } }, +}; + +static unsigned char irl2irq[HL_NR_IRL] __initdata = { + 65, 66, 67, 68, + IRQ_CF, 0, 0, 0, + 0, 0, 0, 0, + IRQ_AX88796, IRQ_PSW +}; + +static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors, + NULL, mask_registers, NULL, NULL); + +unsigned char * __init highlander_plat_irq_setup(void) +{ + if (__raw_readw(0xa5000600)) { + printk(KERN_INFO "Using r7780rp interrupt controller.\n"); + register_intc_controller(&intc_desc); + return irl2irq; + } + + return NULL; +} |