picoxcell: support for Picochip picoxcell devices

[pandora-kernel.git] / arch / arm / mach-picoxcell / common.c

diff --git a/arch/arm/mach-picoxcell/common.c b/arch/arm/mach-picoxcell/common.c
new file mode 100644 (file)
index 0000000..34d0834
--- /dev/null
+++ b/arch/arm/mach-picoxcell/common.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2011 Picochip Ltd., Jamie Iles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * All enquiries to support@picochip.com
+ */
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+#include <asm/hardware/vic.h>
+
+#include <mach/map.h>
+#include <mach/picoxcell_soc.h>
+
+#include "common.h"
+
+static void __init picoxcell_init_machine(void)
+{
+       of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char *picoxcell_dt_match[] = {
+       "picochip,pc3x2",
+       "picochip,pc3x3",
+       NULL
+};
+
+static const struct of_device_id vic_of_match[] __initconst = {
+       { .compatible = "arm,pl192-vic" },
+       { /* Sentinel */ }
+};
+
+static void __init picoxcell_init_irq(void)
+{
+       vic_init(IO_ADDRESS(PICOXCELL_VIC0_BASE), 0, ~0, 0);
+       vic_init(IO_ADDRESS(PICOXCELL_VIC1_BASE), 32, ~0, 0);
+       irq_domain_generate_simple(vic_of_match, PICOXCELL_VIC0_BASE, 0);
+       irq_domain_generate_simple(vic_of_match, PICOXCELL_VIC1_BASE, 32);
+}
+
+DT_MACHINE_START(PICOXCELL, "Picochip picoXcell")
+       .map_io         = picoxcell_map_io,
+       .nr_irqs        = ARCH_NR_IRQS,
+       .init_irq       = picoxcell_init_irq,
+       .timer          = &picoxcell_timer,
+       .init_machine   = picoxcell_init_machine,
+       .dt_compat      = picoxcell_dt_match,
+MACHINE_END