| Kuninori Morimoto | 6c01ba4 | 2011-11-10 18:45:52 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * R8A7740 processor support |
| 3 | * |
| 4 | * Copyright (C) 2011 Renesas Solutions Corp. |
| 5 | * Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include <linux/irq.h> |
| 22 | #include <linux/io.h> |
| 23 | #include <asm/hardware/gic.h> |
| 24 | |
| 25 | #define INTA_CTRL 0xe605807c |
| 26 | |
| 27 | static int r8a7740_set_wake(struct irq_data *data, unsigned int on) |
| 28 | { |
| 29 | return 0; /* always allow wakeup */ |
| 30 | } |
| 31 | |
| 32 | void __init r8a7740_init_irq(void) |
| 33 | { |
| 34 | void __iomem *gic_dist_base = __io(0xf0001000); |
| 35 | void __iomem *gic_cpu_base = __io(0xf0000000); |
| 36 | |
| 37 | /* |
| 38 | * Change INT_SEL INTCA->GIC |
| 39 | * (on GPIO) |
| 40 | */ |
| 41 | __raw_writel(__raw_readl(INTA_CTRL) & ~(1 << 1), INTA_CTRL); |
| 42 | |
| 43 | gic_init(0, 29, gic_dist_base, gic_cpu_base); |
| 44 | gic_arch_extn.irq_set_wake = r8a7740_set_wake; |
| 45 | } |