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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 13:26:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 13:26:53 -0800
commita73611b6aafa3b902524dad2d68e378c4ec9f4db (patch)
tree5dc4877055a2297d9f7f5db4cf6a5a7aad392dd0 /arch/powerpc/platforms/embedded6xx/gamecube.c
parent5fa3577b1a1202972e6e419040438c29f39f59cc (diff)
parentae4cec4736969ec2196a6bbce4ab263ff7cb7eef (diff)
downloadop-kernel-dev-a73611b6aafa3b902524dad2d68e378c4ec9f4db.zip
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Merge branch 'next' of git://git.secretlab.ca/git/linux-2.6
* 'next' of git://git.secretlab.ca/git/linux-2.6: (23 commits) powerpc: fix up for mmu_mapin_ram api change powerpc: wii: allow ioremap within the memory hole powerpc: allow ioremap within reserved memory regions wii: use both mem1 and mem2 as ram wii: bootwrapper: add fixup to calc useable mem2 powerpc: gamecube/wii: early debugging using usbgecko powerpc: reserve fixmap entries for early debug powerpc: wii: default config powerpc: wii: platform support powerpc: wii: hollywood interrupt controller support powerpc: broadway processor support powerpc: wii: bootwrapper bits powerpc: wii: device tree powerpc: gamecube: default config powerpc: gamecube: platform support powerpc: gamecube/wii: flipper interrupt controller support powerpc: gamecube/wii: udbg support for usbgecko powerpc: gamecube/wii: do not include PCI support powerpc: gamecube/wii: declare as non-coherent platforms powerpc: gamecube/wii: introduce GAMECUBE_COMMON ... Fix up conflicts in arch/powerpc/mm/fsl_booke_mmu.c. Hopefully even close to correctly.
Diffstat (limited to 'arch/powerpc/platforms/embedded6xx/gamecube.c')
-rw-r--r--arch/powerpc/platforms/embedded6xx/gamecube.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/embedded6xx/gamecube.c b/arch/powerpc/platforms/embedded6xx/gamecube.c
new file mode 100644
index 0000000..1106fd9
--- /dev/null
+++ b/arch/powerpc/platforms/embedded6xx/gamecube.c
@@ -0,0 +1,118 @@
+/*
+ * arch/powerpc/platforms/embedded6xx/gamecube.c
+ *
+ * Nintendo GameCube board-specific support
+ * Copyright (C) 2004-2009 The GameCube Linux Team
+ * Copyright (C) 2007,2008,2009 Albert Herranz
+ *
+ * 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 the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/kexec.h>
+#include <linux/seq_file.h>
+#include <linux/of_platform.h>
+
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/udbg.h>
+
+#include "flipper-pic.h"
+#include "usbgecko_udbg.h"
+
+
+static void gamecube_spin(void)
+{
+ /* spin until power button pressed */
+ for (;;)
+ cpu_relax();
+}
+
+static void gamecube_restart(char *cmd)
+{
+ local_irq_disable();
+ flipper_platform_reset();
+ gamecube_spin();
+}
+
+static void gamecube_power_off(void)
+{
+ local_irq_disable();
+ gamecube_spin();
+}
+
+static void gamecube_halt(void)
+{
+ gamecube_restart(NULL);
+}
+
+static void __init gamecube_init_early(void)
+{
+ ug_udbg_init();
+}
+
+static int __init gamecube_probe(void)
+{
+ unsigned long dt_root;
+
+ dt_root = of_get_flat_dt_root();
+ if (!of_flat_dt_is_compatible(dt_root, "nintendo,gamecube"))
+ return 0;
+
+ return 1;
+}
+
+static void gamecube_shutdown(void)
+{
+ flipper_quiesce();
+}
+
+#ifdef CONFIG_KEXEC
+static int gamecube_kexec_prepare(struct kimage *image)
+{
+ return 0;
+}
+#endif /* CONFIG_KEXEC */
+
+
+define_machine(gamecube) {
+ .name = "gamecube",
+ .probe = gamecube_probe,
+ .init_early = gamecube_init_early,
+ .restart = gamecube_restart,
+ .power_off = gamecube_power_off,
+ .halt = gamecube_halt,
+ .init_IRQ = flipper_pic_probe,
+ .get_irq = flipper_pic_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+ .machine_shutdown = gamecube_shutdown,
+#ifdef CONFIG_KEXEC
+ .machine_kexec_prepare = gamecube_kexec_prepare,
+#endif
+};
+
+
+static struct of_device_id gamecube_of_bus[] = {
+ { .compatible = "nintendo,flipper", },
+ { },
+};
+
+static int __init gamecube_device_probe(void)
+{
+ if (!machine_is(gamecube))
+ return 0;
+
+ of_platform_bus_probe(NULL, gamecube_of_bus, NULL);
+ return 0;
+}
+device_initcall(gamecube_device_probe);
+
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