diff options
Diffstat (limited to 'arch/sh/boards/mach-se/7721/irq.c')
-rw-r--r-- | arch/sh/boards/mach-se/7721/irq.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/7721/irq.c b/arch/sh/boards/mach-se/7721/irq.c new file mode 100644 index 0000000..b417acc --- /dev/null +++ b/arch/sh/boards/mach-se/7721/irq.c @@ -0,0 +1,45 @@ +/* + * linux/arch/sh/boards/se/7721/irq.c + * + * Copyright (C) 2008 Renesas Solutions Corp. + * + * 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/interrupt.h> +#include <linux/io.h> +#include <mach-se/mach/se7721.h> + +enum { + UNUSED = 0, + + /* board specific interrupt sources */ + MRSHPC, +}; + +static struct intc_vect vectors[] __initdata = { + INTC_IRQ(MRSHPC, MRSHPC_IRQ0), +}; + +static struct intc_prio_reg prio_registers[] __initdata = { + { FPGA_ILSR6, 0, 8, 4, /* IRLMSK */ + { 0, MRSHPC } }, +}; + +static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors, + NULL, NULL, prio_registers, NULL); + +/* + * Initialize IRQ setting + */ +void __init init_se7721_IRQ(void) +{ + /* PPCR */ + ctrl_outw(ctrl_inw(0xa4050118) & ~0x00ff, 0xa4050118); + + register_intc_controller(&intc_desc); + intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0); +} |