diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/platforms/embedded6xx/Kconfig | 8 | ||||
-rw-r--r-- | arch/powerpc/platforms/embedded6xx/Makefile | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/embedded6xx/gamecube.c | 118 |
3 files changed, 127 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 464e4147ad63..e318ced39e72 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -107,3 +107,11 @@ config USBGECKO_UDBG If in doubt, say N here. +config GAMECUBE + bool "Nintendo-GameCube" + depends on EMBEDDED6xx + select GAMECUBE_COMMON + help + Select GAMECUBE if configuring for the Nintendo GameCube. + More information at: <http://gc-linux.sourceforge.net/> + diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile index b80f47cf4412..9365edda2977 100644 --- a/arch/powerpc/platforms/embedded6xx/Makefile +++ b/arch/powerpc/platforms/embedded6xx/Makefile @@ -9,3 +9,4 @@ obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o obj-$(CONFIG_PPC_C2K) += c2k.o obj-$(CONFIG_USBGECKO_UDBG) += usbgecko_udbg.o obj-$(CONFIG_GAMECUBE_COMMON) += flipper-pic.o +obj-$(CONFIG_GAMECUBE) += gamecube.o diff --git a/arch/powerpc/platforms/embedded6xx/gamecube.c b/arch/powerpc/platforms/embedded6xx/gamecube.c new file mode 100644 index 000000000000..1106fd99627f --- /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); + |