082c44d20e
Now with the ide.h mess sorted out, most of these boards don't need their own directory. Move the headers out, and update the driver paths. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
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* Renesas Solutions Highlander R7780RP-1 Support.
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*
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* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
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* Copyright (C) 2006 Paul Mundt
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <asm/r7780rp.h>
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#ifdef CONFIG_SH_R7780MP
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static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0};
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#else
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static int mask_pos[] = {15, 14, 13, 12, 11, 10, 9, 8, 7, 5, 6, 4, 0, 1, 2, 0};
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#endif
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static void enable_r7780rp_irq(unsigned int irq)
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{
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/* Set priority in IPR back to original value */
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ctrl_outw(ctrl_inw(IRLCNTR1) | (1 << mask_pos[irq]), IRLCNTR1);
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}
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static void disable_r7780rp_irq(unsigned int irq)
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{
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/* Set the priority in IPR to 0 */
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ctrl_outw(ctrl_inw(IRLCNTR1) & (0xffff ^ (1 << mask_pos[irq])),
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IRLCNTR1);
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}
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static struct irq_chip r7780rp_irq_chip __read_mostly = {
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.name = "r7780rp",
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.mask = disable_r7780rp_irq,
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.unmask = enable_r7780rp_irq,
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.mask_ack = disable_r7780rp_irq,
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};
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/*
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* Initialize IRQ setting
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*/
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void __init init_r7780rp_IRQ(void)
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{
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int i;
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for (i = 0; i < 15; i++) {
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disable_irq_nosync(i);
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set_irq_chip_and_handler(i, &r7780rp_irq_chip,
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handle_level_irq);
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enable_r7780rp_irq(i);
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}
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}
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