diff options
Diffstat (limited to 'arch/sh/boards/mach-sh7763rdp/irq.c')
| -rw-r--r-- | arch/sh/boards/mach-sh7763rdp/irq.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-sh7763rdp/irq.c b/arch/sh/boards/mach-sh7763rdp/irq.c new file mode 100644 index 000000000..add698c8f --- /dev/null +++ b/arch/sh/boards/mach-sh7763rdp/irq.c @@ -0,0 +1,45 @@ +/* + * linux/arch/sh/boards/renesas/sh7763rdp/irq.c + * + * Renesas Solutions SH7763RDP Support. + * + * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> + * + * 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 <asm/io.h> +#include <asm/irq.h> +#include <mach/sh7763rdp.h> + +#define INTC_BASE (0xFFD00000) +#define INTC_INT2PRI7 (INTC_BASE+0x4001C) +#define INTC_INT2MSKCR (INTC_BASE+0x4003C) +#define INTC_INT2MSKCR1 (INTC_BASE+0x400D4) + +/* + * Initialize IRQ setting + */ +void __init init_sh7763rdp_IRQ(void) +{ + /* GPIO enabled */ + __raw_writel(1 << 25, INTC_INT2MSKCR); + + /* enable GPIO interrupts */ + __raw_writel((__raw_readl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000, + INTC_INT2PRI7); + + /* USBH enabled */ + __raw_writel(1 << 17, INTC_INT2MSKCR1); + + /* GETHER enabled */ + __raw_writel(1 << 16, INTC_INT2MSKCR1); + + /* DMAC enabled */ + __raw_writel(1 << 8, INTC_INT2MSKCR); +} |