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r: 114530
b: refs/heads/master
c: 775d5a1
h: refs/heads/master
v: v3
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Josh Boyer committed Aug 28, 2008
1 parent e3aeb91 commit 9713ec3
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: e30c98758453d743fab00e45da0eac6fc581958a
refs/heads/master: 775d5a110b8a0bc9a0ccf3b831a8991b6c1d84dd
7 changes: 7 additions & 0 deletions trunk/arch/powerpc/platforms/44x/Kconfig
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Expand Up @@ -127,6 +127,13 @@ config XILINX_VIRTEX440_GENERIC_BOARD
Most Virtex 5 designs should use this unless it needs to do some
special configuration at board probe time.

config PPC44x_SIMPLE
bool "Simple PowerPC 44x board support"
depends on 44x
default n
help
This option enables the simple PowerPC 44x platform support.

# 44x specific CPU modules, selected based on the board above.
config 440EP
bool
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1 change: 1 addition & 0 deletions trunk/arch/powerpc/platforms/44x/Makefile
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obj-$(CONFIG_44x) := misc_44x.o idle.o
obj-$(CONFIG_PPC44x_SIMPLE) += ppc44x_simple.o
obj-$(CONFIG_EBONY) += ebony.o
obj-$(CONFIG_TAISHAN) += taishan.o
obj-$(CONFIG_BAMBOO) += bamboo.o
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85 changes: 85 additions & 0 deletions trunk/arch/powerpc/platforms/44x/ppc44x_simple.c
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/*
* Generic PowerPC 44x platform support
*
* Copyright 2008 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; version 2 of the License.
*
* This implements simple platform support for PowerPC 44x chips. This is
* mostly used for eval boards or other simple and "generic" 44x boards. If
* your board has custom functions or hardware, then you will likely want to
* implement your own board.c file to accommodate it.
*/

#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/ppc4xx.h>
#include <asm/prom.h>
#include <asm/time.h>
#include <asm/udbg.h>
#include <asm/uic.h>

#include <linux/init.h>
#include <linux/of_platform.h>

static __initdata struct of_device_id ppc44x_of_bus[] = {
{ .compatible = "ibm,plb4", },
{ .compatible = "ibm,opb", },
{ .compatible = "ibm,ebc", },
{ .compatible = "simple-bus", },
{},
};

static int __init ppc44x_device_probe(void)
{
of_platform_bus_probe(NULL, ppc44x_of_bus, NULL);

return 0;
}
machine_device_initcall(ppc44x_simple, ppc44x_device_probe);

/* This is the list of boards that can be supported by this simple
* platform code. This does _not_ mean the boards are compatible,
* as they most certainly are not from a device tree perspective.
* However, their differences are handled by the device tree and the
* drivers and therefore they don't need custom board support files.
*
* Again, if your board needs to do things differently then create a
* board.c file for it rather than adding it to this list.
*/
static char *board[] __initdata = {
"amcc,bamboo",
"amcc,cayonlands",
"ibm,ebony",
"amcc,katmai",
"amcc,rainier",
"amcc,sequoia",
"amcc,taishan"
};

static int __init ppc44x_probe(void)
{
unsigned long root = of_get_flat_dt_root();
int i = 0;

for (i = 0; i < ARRAY_SIZE(board); i++) {
if (of_flat_dt_is_compatible(root, board[i])) {
ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
return 1;
}
}

return 0;
}

define_machine(ppc44x_simple) {
.name = "PowerPC 44x Platform",
.probe = ppc44x_probe,
.progress = udbg_progress,
.init_IRQ = uic_init_tree,
.get_irq = uic_get_irq,
.restart = ppc4xx_reset_system,
.calibrate_decr = generic_calibrate_decr,
};

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