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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/powerpc/platforms/wsp/psr2.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/powerpc/platforms/wsp/psr2.c')
-rw-r--r-- | arch/powerpc/platforms/wsp/psr2.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/wsp/psr2.c b/arch/powerpc/platforms/wsp/psr2.c new file mode 100644 index 00000000..508ec828 --- /dev/null +++ b/arch/powerpc/platforms/wsp/psr2.c @@ -0,0 +1,66 @@ +/* + * Copyright 2008-2011, IBM Corporation + * + * 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/delay.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/of.h> +#include <linux/smp.h> +#include <linux/time.h> + +#include <asm/machdep.h> +#include <asm/udbg.h> + +#include "ics.h" +#include "wsp.h" + + +static void psr2_spin(void) +{ + hard_irq_disable(); + for (;;) + continue; +} + +static void psr2_restart(char *cmd) +{ + psr2_spin(); +} + +static int __init psr2_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "ibm,wsp-chroma")) { + /* chroma systems also claim they are psr2s */ + return 0; + } + + if (!of_flat_dt_is_compatible(root, "ibm,psr2")) + return 0; + + return 1; +} + +define_machine(psr2_md) { + .name = "PSR2 A2", + .probe = psr2_probe, + .setup_arch = wsp_setup_arch, + .restart = psr2_restart, + .power_off = psr2_spin, + .halt = psr2_spin, + .calibrate_decr = generic_calibrate_decr, + .init_IRQ = wsp_setup_irq, + .progress = udbg_progress, + .power_save = book3e_idle, +}; + +machine_arch_initcall(psr2_md, wsp_probe_devices); |