@@ -59,6 +59,7 @@ extern struct clk sh73a0_extal2_clk;
extern struct clk sh73a0_extcki_clk;
extern struct clk sh73a0_extalr_clk;
+extern void r8a7740_init_irq_of(void);
extern void r8a7740_init_irq(void);
extern void r8a7740_map_io(void);
extern void r8a7740_add_early_devices(void);
@@ -1,8 +1,9 @@
/*
* R8A7740 processor support
*
- * Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2011, 2012 Renesas Solutions Corp.
* Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ * Copyright (C) 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -17,6 +18,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#define pr_fmt(fmt) "intc: " fmt
#include <linux/kernel.h>
#include <linux/init.h>
@@ -623,15 +625,71 @@ static void intcs_demux(unsigned int irq, struct irq_desc *desc)
generic_handle_irq(intcs_evt2irq(evtcodeas));
}
-void __init r8a7740_init_irq(void)
+static void __init r8a7740_init_intc(resource_size_t intcs0_start,
+ unsigned short vect)
+{
+ void __iomem *intevtsa;
+
+ /* demux using INTEVTSA */
+ intevtsa = ioremap_nocache(intcs0_start + 0x100, PAGE_SIZE);
+ irq_set_handler_data(evt2irq(vect), (void *)intevtsa);
+ irq_set_chained_handler(evt2irq(vect), intcs_demux);
+}
+
+#ifdef CONFIG_OF
+static unsigned short intevtsa_vect;
+
+#define INTC_RES_MAX 2
+static struct {
+ struct intc_desc intc_desc;
+ struct resource intc_res[INTC_RES_MAX];
+} intc_data __initdata;
+
+static int __init intc_of_init(struct device_node *np,
+ struct device_node *parent)
+{
+ int ret, i;
+
+ memset(&intc_data, 0, sizeof(intc_data));
+
+ for (i = 0; i < INTC_RES_MAX; i++) {
+ ret = of_address_to_resource(np, i, &intc_data.intc_res[i]);
+ if (ret < 0)
+ break;
+ }
+
+ intc_data.intc_desc.name = (char *)of_node_full_name(np);
+ intc_data.intc_desc.resource = intc_data.intc_res;
+ intc_data.intc_desc.num_resources = i;
+
+ ret = of_sh_intc_get_intc(np, &intc_data.intc_desc);
+ if (ret)
+ return ret;
+
+ of_sh_intc_get_intevtsa_vect(np, &intevtsa_vect);
+
+ register_intc_controller(&intc_data.intc_desc);
+ return 0;
+}
+
+static const struct of_device_id irq_of_match[] __initconst = {
+ { .compatible = "renesas,sh_intc", .data = intc_of_init },
+ { /*sentinel*/ }
+};
+
+void __init r8a7740_init_irq_of(void)
{
- void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE);
+ of_irq_init(irq_of_match);
+ register_intc_controller(&intcs_desc);
+}
+#endif /* CONFIG_OF */
+
+void __init r8a7740_init_irq(void)
+{
register_intc_controller(&intca_desc);
register_intc_controller(&intca_irq_pins_desc);
register_intc_controller(&intcs_desc);
- /* demux using INTEVTSA */
- irq_set_handler_data(evt2irq(0xf80), (void *)intevtsa);
- irq_set_chained_handler(evt2irq(0xf80), intcs_demux);
+ r8a7740_init_intc(0xffd20000, 0xf80);
}