diff options
Diffstat (limited to 'arch/arm/mach-shmobile/intc-r8a7779.c')
-rw-r--r-- | arch/arm/mach-shmobile/intc-r8a7779.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c deleted file mode 100644 index 5f9e5dc0238b..000000000000 --- a/arch/arm/mach-shmobile/intc-r8a7779.c +++ /dev/null | |||
@@ -1,130 +0,0 @@ | |||
1 | /* | ||
2 | * r8a7779 processor support - INTC hardware block | ||
3 | * | ||
4 | * Copyright (C) 2011 Renesas Solutions Corp. | ||
5 | * Copyright (C) 2011 Magnus Damm | ||
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 | #include <linux/kernel.h> | ||
21 | #include <linux/init.h> | ||
22 | #include <linux/platform_device.h> | ||
23 | #include <linux/interrupt.h> | ||
24 | #include <linux/irq.h> | ||
25 | #include <linux/io.h> | ||
26 | #include <linux/irqchip/arm-gic.h> | ||
27 | #include <linux/platform_data/irq-renesas-intc-irqpin.h> | ||
28 | #include <linux/irqchip.h> | ||
29 | #include <mach/common.h> | ||
30 | #include <mach/irqs.h> | ||
31 | #include <mach/r8a7779.h> | ||
32 | #include <asm/mach-types.h> | ||
33 | #include <asm/mach/arch.h> | ||
34 | |||
35 | #define INT2SMSKCR0 IOMEM(0xfe7822a0) | ||
36 | #define INT2SMSKCR1 IOMEM(0xfe7822a4) | ||
37 | #define INT2SMSKCR2 IOMEM(0xfe7822a8) | ||
38 | #define INT2SMSKCR3 IOMEM(0xfe7822ac) | ||
39 | #define INT2SMSKCR4 IOMEM(0xfe7822b0) | ||
40 | |||
41 | #define INT2NTSR0 IOMEM(0xfe700060) | ||
42 | #define INT2NTSR1 IOMEM(0xfe700064) | ||
43 | |||
44 | static struct renesas_intc_irqpin_config irqpin0_platform_data = { | ||
45 | .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ | ||
46 | .sense_bitfield_width = 2, | ||
47 | }; | ||
48 | |||
49 | static struct resource irqpin0_resources[] = { | ||
50 | DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */ | ||
51 | DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */ | ||
52 | DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */ | ||
53 | DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */ | ||
54 | DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */ | ||
55 | DEFINE_RES_IRQ(gic_spi(27)), /* IRQ0 */ | ||
56 | DEFINE_RES_IRQ(gic_spi(28)), /* IRQ1 */ | ||
57 | DEFINE_RES_IRQ(gic_spi(29)), /* IRQ2 */ | ||
58 | DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */ | ||
59 | }; | ||
60 | |||
61 | static struct platform_device irqpin0_device = { | ||
62 | .name = "renesas_intc_irqpin", | ||
63 | .id = 0, | ||
64 | .resource = irqpin0_resources, | ||
65 | .num_resources = ARRAY_SIZE(irqpin0_resources), | ||
66 | .dev = { | ||
67 | .platform_data = &irqpin0_platform_data, | ||
68 | }, | ||
69 | }; | ||
70 | |||
71 | void __init r8a7779_init_irq_extpin(int irlm) | ||
72 | { | ||
73 | void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); | ||
74 | unsigned long tmp; | ||
75 | |||
76 | if (icr0) { | ||
77 | tmp = ioread32(icr0); | ||
78 | if (irlm) | ||
79 | tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */ | ||
80 | else | ||
81 | tmp &= ~(1 << 23); /* IRL mode - not supported */ | ||
82 | tmp |= (1 << 21); /* LVLMODE = 1 */ | ||
83 | iowrite32(tmp, icr0); | ||
84 | iounmap(icr0); | ||
85 | |||
86 | if (irlm) | ||
87 | platform_device_register(&irqpin0_device); | ||
88 | } else | ||
89 | pr_warn("r8a7779: unable to setup external irq pin mode\n"); | ||
90 | } | ||
91 | |||
92 | static int r8a7779_set_wake(struct irq_data *data, unsigned int on) | ||
93 | { | ||
94 | return 0; /* always allow wakeup */ | ||
95 | } | ||
96 | |||
97 | static void __init r8a7779_init_irq_common(void) | ||
98 | { | ||
99 | gic_arch_extn.irq_set_wake = r8a7779_set_wake; | ||
100 | |||
101 | /* route all interrupts to ARM */ | ||
102 | __raw_writel(0xffffffff, INT2NTSR0); | ||
103 | __raw_writel(0x3fffffff, INT2NTSR1); | ||
104 | |||
105 | /* unmask all known interrupts in INTCS2 */ | ||
106 | __raw_writel(0xfffffff0, INT2SMSKCR0); | ||
107 | __raw_writel(0xfff7ffff, INT2SMSKCR1); | ||
108 | __raw_writel(0xfffbffdf, INT2SMSKCR2); | ||
109 | __raw_writel(0xbffffffc, INT2SMSKCR3); | ||
110 | __raw_writel(0x003fee3f, INT2SMSKCR4); | ||
111 | } | ||
112 | |||
113 | void __init r8a7779_init_irq(void) | ||
114 | { | ||
115 | void __iomem *gic_dist_base = IOMEM(0xf0001000); | ||
116 | void __iomem *gic_cpu_base = IOMEM(0xf0000100); | ||
117 | |||
118 | /* use GIC to handle interrupts */ | ||
119 | gic_init(0, 29, gic_dist_base, gic_cpu_base); | ||
120 | |||
121 | r8a7779_init_irq_common(); | ||
122 | } | ||
123 | |||
124 | #ifdef CONFIG_OF | ||
125 | void __init r8a7779_init_irq_dt(void) | ||
126 | { | ||
127 | irqchip_init(); | ||
128 | r8a7779_init_irq_common(); | ||
129 | } | ||
130 | #endif | ||