[POWERPC] PowerPC 440EPx: Sequoia board support

AMCC PPC440EPx Sequoia board support.

Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
This commit is contained in:
Valentine Barshak 2007-08-29 17:40:30 +04:00 committed by Josh Boyer
parent 38a5d6c9e7
commit 15fc993e31
5 changed files with 102 additions and 2 deletions

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@ -1132,6 +1132,24 @@ static struct cpu_spec cpu_specs[] = {
.dcache_bsize = 32,
.platform = "ppc440",
},
{ /* 440EPX */
.pvr_mask = 0xf0000ffb,
.pvr_value = 0x200008D0,
.cpu_name = "440EPX",
.cpu_features = CPU_FTRS_44X,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
.icache_bsize = 32,
.dcache_bsize = 32,
},
{ /* 440GRX */
.pvr_mask = 0xf0000ffb,
.pvr_value = 0x200008D8,
.cpu_name = "440GRX",
.cpu_features = CPU_FTRS_44X,
.cpu_user_features = COMMON_USER_BOOKE,
.icache_bsize = 32,
.dcache_bsize = 32,
},
{ /* 440GP Rev. B */
.pvr_mask = 0xf0000fff,
.pvr_value = 0x40000440,

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@ -217,7 +217,7 @@ skpinv: addi r4,r4,1 /* Increment */
lis r4,interrupt_base@h /* IVPR only uses the high 16-bits */
mtspr SPRN_IVPR,r4
#ifdef CONFIG_440EP
#if defined(CONFIG_440EP) || defined(CONFIG_440EPX)
/* Clear DAPUIB flag in CCR0 (enable APU between CPU and FPU) */
mfspr r2,SPRN_CCR0
lis r3,0xffef

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@ -14,6 +14,14 @@ config EBONY
help
This option enables support for the IBM PPC440GP evaluation board.
config SEQUOIA
bool "Sequoia"
depends on 44x
default n
select 440EPX
help
This option enables support for the AMCC PPC440EPX evaluation board.
#config LUAN
# bool "Luan"
# depends on 44x
@ -37,6 +45,13 @@ config 440EP
select IBM440EP_ERR42
# select IBM_NEW_EMAC_ZMII
config 440EPX
bool
select PPC_FPU
# Disabled until the new EMAC Driver is merged.
# select IBM_NEW_EMAC_EMAC4
# select IBM_NEW_EMAC_ZMII
config 440GP
bool
# Disabled until the new EMAC Driver is merged.
@ -50,7 +65,7 @@ config 440SP
config 440A
bool
depends on 440GX
depends on 440GX || 440EPX
default y
# 44x errata/workaround config symbols, selected by the CPU models above

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@ -1,3 +1,4 @@
obj-$(CONFIG_44x) := misc_44x.o
obj-$(CONFIG_EBONY) += ebony.o
obj-$(CONFIG_BAMBOO) += bamboo.o
obj-$(CONFIG_SEQUOIA) += sequoia.o

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@ -0,0 +1,66 @@
/*
* Sequoia board specific routines
*
* Valentine Barshak <vbarshak@ru.mvista.com>
* Copyright 2007 MontaVista Software Inc.
*
* Based on the Bamboo code by
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
* Copyright 2007 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 <asm/machdep.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/time.h>
#include <asm/uic.h>
#include <asm/of_platform.h>
#include "44x.h"
static struct of_device_id sequoia_of_bus[] = {
{ .compatible = "ibm,plb4", },
{ .compatible = "ibm,opb", },
{ .compatible = "ibm,ebc", },
{},
};
static int __init sequoia_device_probe(void)
{
if (!machine_is(sequoia))
return 0;
of_platform_bus_probe(NULL, sequoia_of_bus, NULL);
return 0;
}
device_initcall(sequoia_device_probe);
static int __init sequoia_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (!of_flat_dt_is_compatible(root, "amcc,sequoia"))
return 0;
return 1;
}
static void __init sequoia_setup_arch(void)
{
}
define_machine(sequoia) {
.name = "Sequoia",
.probe = sequoia_probe,
.setup_arch = sequoia_setup_arch,
.progress = udbg_progress,
.init_IRQ = uic_init_tree,
.get_irq = uic_get_irq,
.restart = ppc44x_reset_system,
.calibrate_decr = generic_calibrate_decr,
};