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powerpc/44x/fsp2: Platform support for FSP2 (476fpe) board

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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>
This commit is contained in:
Ivan Mikhaylov 2017-05-15 16:07:51 +03:00 committed by Michael Ellerman
parent f9122ee4f5
commit c4b56b023d
3 changed files with 75 additions and 0 deletions
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12
arch/powerpc/platforms/44x/Kconfig
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@ -199,6 +199,18 @@ config CURRITUCK
help
This option enables support for the IBM Currituck (476fpe) evaluation board
config FSP2
bool "IBM FSP2 (476fpe) Support"
depends on PPC_47x
default n
select 476FPE
select IBM_EMAC_EMAC4 if IBM_EMAC
select IBM_EMAC_RGMII if IBM_EMAC
select COMMON_CLK
select DEFAULT_UIMAGE
help
This option enables support for the IBM FSP2 (476fpe) board
config AKEBONO
bool "IBM Akebono (476gtr) Support"
depends on PPC_47x

1
arch/powerpc/platforms/44x/Makefile
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@ -12,3 +12,4 @@ obj-$(CONFIG_ISS4xx) += iss4xx.o
obj-$(CONFIG_CANYONLANDS)+= canyonlands.o
obj-$(CONFIG_CURRITUCK) += ppc476.o
obj-$(CONFIG_AKEBONO) += ppc476.o
obj-$(CONFIG_FSP2) += fsp2.o

62
arch/powerpc/platforms/44x/fsp2.c Normal file
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@ -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,
};