diff options
author | Ivan Mikhaylov <ivan@de.ibm.com> | 2017-05-15 16:07:51 +0300 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-05-30 14:59:51 +1000 |
commit | c4b56b023daa91953e9ebe91143e6ca156f0bcb7 (patch) | |
tree | 1425fdbc4520b4ff131278fc81145d31547d4861 /arch/powerpc/platforms/44x/fsp2.c | |
parent | f9122ee4f5580194014d4ca72092787ae33f29fb (diff) |
powerpc/44x/fsp2: Platform support for FSP2 (476fpe) board
Add platform code support for FSP2 (476fpe) board.
Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/44x/fsp2.c')
-rw-r--r-- | arch/powerpc/platforms/44x/fsp2.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/44x/fsp2.c b/arch/powerpc/platforms/44x/fsp2.c new file mode 100644 index 000000000000..92e98048404f --- /dev/null +++ b/arch/powerpc/platforms/44x/fsp2.c @@ -0,0 +1,62 @@ +/* + * FSP-2 board specific routines + * + * Based on earlier code: + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003-2005 Zultys Technologies + * + * Rewritten and ported to the merged powerpc tree: + * Copyright 2007 David Gibson <dwg@au1.ibm.com>, 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/init.h> +#include <linux/of_platform.h> +#include <linux/rtc.h> + +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/time.h> +#include <asm/uic.h> +#include <asm/ppc4xx.h> + +static __initdata struct of_device_id fsp2_of_bus[] = { + { .compatible = "ibm,plb4", }, + { .compatible = "ibm,plb6", }, + { .compatible = "ibm,opb", }, + {}, +}; + +static int __init fsp2_device_probe(void) +{ + of_platform_bus_probe(NULL, fsp2_of_bus, NULL); + return 0; +} +machine_device_initcall(fsp2, fsp2_device_probe); + +static int __init fsp2_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "ibm,fsp2")) + return 0; + return 1; +} + +define_machine(fsp2) { + .name = "FSP-2", + .probe = fsp2_probe, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; |