6c01ba445c
This adds preliminary support for the R8A7740 (R-Mobile A1) CPU Timer, serial, gic, clock are supported at this point. This patch is based on v0.1 manual Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* R8A7740 processor support
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*
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <asm/hardware/gic.h>
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#define INTA_CTRL 0xe605807c
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static int r8a7740_set_wake(struct irq_data *data, unsigned int on)
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{
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return 0; /* always allow wakeup */
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}
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void __init r8a7740_init_irq(void)
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{
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void __iomem *gic_dist_base = __io(0xf0001000);
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void __iomem *gic_cpu_base = __io(0xf0000000);
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/*
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* Change INT_SEL INTCA->GIC
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* (on GPIO)
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*/
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__raw_writel(__raw_readl(INTA_CTRL) & ~(1 << 1), INTA_CTRL);
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gic_init(0, 29, gic_dist_base, gic_cpu_base);
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gic_arch_extn.irq_set_wake = r8a7740_set_wake;
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}
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