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authorPaul Mundt <lethal@linux-sh.org>2010-02-02 04:01:55 -0500
committerPaul Mundt <lethal@linux-sh.org>2010-02-02 04:01:55 -0500
commitdeb9b22b8968fa0166d89c8ad1346e816cf1aec4 (patch)
treea8f2a46d7498182c11bda07916b4b954c8541a8a /arch/sh/boards
parent6eb6f98396f7bd653d8fb15b06364c8c7d70e22c (diff)
sh: mach-dreamcast: Convert to sparseirq.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards')
-rw-r--r--arch/sh/boards/mach-dreamcast/irq.c27
-rw-r--r--arch/sh/boards/mach-dreamcast/setup.c18
2 files changed, 28 insertions, 17 deletions
diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c
index f55fc8e795e9..d932667410ab 100644
--- a/arch/sh/boards/mach-dreamcast/irq.c
+++ b/arch/sh/boards/mach-dreamcast/irq.c
@@ -135,3 +135,30 @@ int systemasic_irq_demux(int irq)
135 /* Not reached */ 135 /* Not reached */
136 return irq; 136 return irq;
137} 137}
138
139void systemasic_irq_init(void)
140{
141 int i, nid = cpu_to_node(boot_cpu_data);
142
143 /* Assign all virtual IRQs to the System ASIC int. handler */
144 for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++) {
145 unsigned int irq;
146
147 irq = create_irq_nr(i, nid);
148 if (unlikely(irq == 0)) {
149 pr_err("%s: failed hooking irq %d for systemasic\n",
150 __func__, i);
151 return;
152 }
153
154 if (unlikely(irq != i)) {
155 pr_err("%s: got irq %d but wanted %d, bailing.\n",
156 __func__, irq, i);
157 destroy_irq(irq);
158 return;
159 }
160
161 set_irq_chip_and_handler(i, &systemasic_int,
162 handle_level_irq);
163 }
164}
diff --git a/arch/sh/boards/mach-dreamcast/setup.c b/arch/sh/boards/mach-dreamcast/setup.c
index a4b7402d6176..ad1a4db72e04 100644
--- a/arch/sh/boards/mach-dreamcast/setup.c
+++ b/arch/sh/boards/mach-dreamcast/setup.c
@@ -28,25 +28,8 @@
28#include <asm/machvec.h> 28#include <asm/machvec.h>
29#include <mach/sysasic.h> 29#include <mach/sysasic.h>
30 30
31extern struct irq_chip systemasic_int;
32extern void aica_time_init(void);
33extern int systemasic_irq_demux(int);
34
35static void __init dreamcast_setup(char **cmdline_p) 31static void __init dreamcast_setup(char **cmdline_p)
36{ 32{
37 int i;
38
39 /* Mask all hardware events */
40 /* XXX */
41
42 /* Acknowledge any previous events */
43 /* XXX */
44
45 /* Assign all virtual IRQs to the System ASIC int. handler */
46 for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++)
47 set_irq_chip_and_handler(i, &systemasic_int,
48 handle_level_irq);
49
50 board_time_init = aica_time_init; 33 board_time_init = aica_time_init;
51} 34}
52 35
@@ -54,4 +37,5 @@ static struct sh_machine_vector mv_dreamcast __initmv = {
54 .mv_name = "Sega Dreamcast", 37 .mv_name = "Sega Dreamcast",
55 .mv_setup = dreamcast_setup, 38 .mv_setup = dreamcast_setup,
56 .mv_irq_demux = systemasic_irq_demux, 39 .mv_irq_demux = systemasic_irq_demux,
40 .mv_init_irq = systemasic_irq_init,
57}; 41};