> -----Original Message-----
> From: Tony Lindgren [mailto:[email protected]]
> Sent: Friday, May 08, 2009 2:17 AM
> To: Shilimkar, Santosh
> Cc: [email protected];
> [email protected]
> Subject: Re: [PATCH 1/3] OMAP4: SMP: Add OMAP4430 SMP board files
>
> * Santosh Shilimkar <[email protected]> [090507 00:29]:
> > This patch adds SMP platform files support for OMAP4430SDP.
> TI's OMAP4430
> > SOC is based on ARM Cortex-A9 SMP architecture. It's a dual core SOC
> > with GIC used for interrupt handling and SCU for cache coherency.
> >
> > Signed-off-by: Santosh Shilimkar <[email protected]>
> > ---
> > arch/arm/mach-omap2/omap-headsmp.S | 49 +++++++
> > arch/arm/mach-omap2/omap-smp.c | 238
> +++++++++++++++++++++++++++++++++
> > arch/arm/plat-omap/include/mach/scu.h | 28 ++++
> > arch/arm/plat-omap/include/mach/smp.h | 56 ++++++++
> > 4 files changed, 371 insertions(+), 0 deletions(-)
> > create mode 100644 arch/arm/mach-omap2/omap-headsmp.S
> > create mode 100644 arch/arm/mach-omap2/omap-smp.c
> > create mode 100644 arch/arm/plat-omap/include/mach/scu.h
> > create mode 100644 arch/arm/plat-omap/include/mach/smp.h
>
> <snip snip>
>
> > --- /dev/null
> > +++ b/arch/arm/mach-omap2/omap-smp.c
> > @@ -0,0 +1,238 @@
> > +/*
> > + * OMAP4 SMP source file. It contains platform specific fucntions
> > + * needed for the linux smp kernel.
> > + *
> > + * Copyright (C) 2009 Texas Instruments, Inc.
> > + *
> > + * Author:
> > + * Santosh Shilimkar <[email protected]>
> > + *
> > + * Platform file needed for the OMAP4 SMP. This file is
> based on arm
> > + * realview smp platform.
> > + * * Copyright (c) 2002 ARM Limited.
> > + *
> > + * This program is free software; you can redistribute it
> and/or modify
> > + * it under the terms of the GNU General Public License
> version 2 as
> > + * published by the Free Software Foundation.
> > + */
> > +#include <linux/init.h>
> > +#include <linux/errno.h>
> > +#include <linux/delay.h>
> > +#include <linux/device.h>
> > +#include <linux/jiffies.h>
> > +#include <linux/smp.h>
> > +#include <linux/io.h>
> > +
> > +#include <asm/cacheflush.h>
> > +#include <mach/scu.h>
> > +#include <mach/hardware.h>
> > +#include <asm/mach-types.h>
> > +
> > +/* Registers used for communicating startup information */
> > +#define OMAP4_AUXCOREBOOT_REG0
> (OMAP44XX_VA_WKUPGEN_BASE + 0x800)
> > +#define OMAP4_AUXCOREBOOT_REG1
> (OMAP44XX_VA_WKUPGEN_BASE + 0x804)
> > +
> > +/* FIXME: Move to a common header file */
> > +extern void omap_secondary_startup(void);
>
> How about move this to cpu.h?
Possible. The thing is this functions should be available only for OMAP4 SMP.
We may need #ifdef ARCH_OMAP4. Is that ok ? --
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