* Shilimkar, Santosh <santosh.shilim...@ti.com> [090507 22:10]: > > -----Original Message----- > > From: Tony Lindgren [mailto:t...@atomide.com] > > Sent: Friday, May 08, 2009 2:17 AM > > To: Shilimkar, Santosh > > Cc: linux-arm-ker...@lists.arm.linux.org.uk; > > linux-omap@vger.kernel.org > > Subject: Re: [PATCH 1/3] OMAP4: SMP: Add OMAP4430 SMP board files > > > > * Santosh Shilimkar <santosh.shilim...@ti.com> [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 <santosh.shilim...@ti.com> > > > --- > > > 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 <santosh.shilim...@ti.com> > > > + * > > > + * 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 ?
Please rathar have a ifdef section in cpu.h for CONFIG_SMP. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
