Thread (181 messages) 181 messages, 8 authors, 2009-11-28

Re: [RFC PATCH 12/19] powerpc: gamecube: platform support

From: Albert Herranz <hidden>
Date: 2009-11-23 20:02:27

Grant Likely wrote:
On Sun, Nov 22, 2009 at 3:01 PM, Albert Herranz [off-list ref] wrote:
quoted
Add platform support for the Nintendo GameCube video game console.

Signed-off-by: Albert Herranz <redacted>
---
+static void gamecube_show_cpuinfo(struct seq_file *m)
+{
+       seq_printf(m, "vendor\t\t: IBM\n");
+       seq_printf(m, "machine\t\t: Nintendo GameCube\n");
+}
show_cpuinfo hooks have been dropped on most platforms now.
I'll drop'em all. Thanks.
quoted
+static void gamecube_shutdown(void)
+{
+       /* currently not used */
+}
Then don't add the hook.  Just drop it.  Same for other empty
functions in this file.  If it is safe to drop them, then please do.

Otherwise: Acked-by: Grant Likely [off-list ref]
I actually forgot to add a flipper_quiesce() call there.
That one will be used.

But I'll review the other cases. Thanks.
quoted
+define_machine(gamecube) {
+       .name                   = "gamecube",
+       .probe                  = gamecube_probe,
+       .setup_arch             = gamecube_setup_arch,
+       .init_early             = gamecube_init_early,
+       .show_cpuinfo           = gamecube_show_cpuinfo,
+       .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,
+       .machine_kexec          = default_machine_kexec,
+#endif
+};
+
diff --git a/arch/powerpc/platforms/embedded6xx/gamecube_dev.c b/arch/powerpc/platforms/embedded6xx/gamecube_dev.c
new file mode 100644
index 0000000..13e1f73
--- /dev/null
+++ b/arch/powerpc/platforms/embedded6xx/gamecube_dev.c
@@ -0,0 +1,34 @@
+/*
+ * arch/powerpc/platforms/embedded6xx/gamecube_dev.c
+ *
+ * Nintendo GameCube platform device setup.
+ * Copyright (C) 2008-2009 The GameCube Linux Team
+ * Copyright (C) 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/of_platform.h>
+
+#include <asm/machdep.h>
+
+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);
Cheers,
Albert
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