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Commit 15fc993e authored by Valentine Barshak's avatar Valentine Barshak Committed by Josh Boyer
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[POWERPC] PowerPC 440EPx: Sequoia board support 



AMCC PPC440EPx Sequoia board support.

Signed-off-by: default avatarValentine Barshak <vbarshak@ru.mvista.com>
Acked-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
parent 38a5d6c9

arch/powerpc/kernel/cputable.c

+18 −0
Original line number Diff line number Diff line
@@ -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,

arch/powerpc/kernel/head_44x.S

+1 −1
Original line number Diff line number Diff line
@@ -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

arch/powerpc/platforms/44x/Kconfig

+16 −1
Original line number Diff line number Diff line
@@ -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

arch/powerpc/platforms/44x/Makefile

+1 −0
Original line number Diff line number Diff line 
obj-$(CONFIG_44x)	:= misc_44x.o

obj-$(CONFIG_EBONY)	+= ebony.o

obj-$(CONFIG_BAMBOO) += bamboo.o

obj-$(CONFIG_SEQUOIA)	+= sequoia.o

arch/powerpc/platforms/44x/sequoia.c

0 → 100644
+66 −0
Original line number Diff line number Diff line 
/*

 * 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,

};