On Wed, Mar 02, 2011 at 12:58:31AM +0800, tom.leiming@xxxxxxxxx wrote:
> From: Ming Lei <tom.leiming@xxxxxxxxx>
>
> This patch supports pmu irq routed from CTI, so
> make pmu/perf working on OMAP4.
>
> The idea is from Woodruff Richard in the disscussion
> "Oprofile on Pandaboard / Omap4" of pandaboard@xxxxxxxxxxxxxxxxx
>
> Cc: Woodruff Richard <r-woodruff2@xxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> Cc: linux-omap@xxxxxxxxxxxxxxx
> Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
> ---
> arch/arm/mach-omap2/dbg44xx.h | 18 +++++++++++++
> arch/arm/mach-omap2/devices.c | 55 ++++++++++++++++++++++++++++++++++++++++-
> 2 files changed, 72 insertions(+), 1 deletions(-)
> create mode 100644 arch/arm/mach-omap2/dbg44xx.h
>
> diff --git a/arch/arm/mach-omap2/dbg44xx.h b/arch/arm/mach-omap2/dbg44xx.h
> new file mode 100644
> index 0000000..e447ad5
> --- /dev/null
> +++ b/arch/arm/mach-omap2/dbg44xx.h
> @@ -0,0 +1,18 @@
> +/*
> + * OMAP44xx on-chip debug support
> + *
> + * 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.
> + *
> + * XXX This file needs to be updated to align on one of "OMAP4", "OMAP44XX",
> + * or "OMAP4430".
> + */
> +
> +#ifndef __ARCH_ARM_MACH_OMAP2_DBG44XX_H
> +#define __ARCH_ARM_MACH_OMAP2_DBG44XX_H
> +
> +#define OMAP44XX_CTI0_BASE 0x54148000
> +#define OMAP44XX_CTI1_BASE 0x54149000
> +
> +#endif
> diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
> index d216976..0420a58 100644
> --- a/arch/arm/mach-omap2/devices.c
> +++ b/arch/arm/mach-omap2/devices.c
> @@ -35,6 +35,7 @@
>
> #include "mux.h"
> #include "control.h"
> +#include "dbg44xx.h"
>
> #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
>
> @@ -322,19 +323,71 @@ static struct resource omap3_pmu_resource = {
> .flags = IORESOURCE_IRQ,
> };
>
> +static struct resource omap4_pmu_resource[] = {
> + {
> + .start = OMAP44XX_IRQ_CTI0,
> + .end = OMAP44XX_IRQ_CTI0,
> + .flags = IORESOURCE_IRQ,
> + },
> + {
> + .start = OMAP44XX_IRQ_CTI1,
> + .end = OMAP44XX_IRQ_CTI1,
> + .flags = IORESOURCE_IRQ,
> + }
> +};
indentation is wrong.
> static void omap_init_pmu(void)
> {
> if (cpu_is_omap24xx())
> omap_pmu_device.resource = &omap2_pmu_resource;
> else if (cpu_is_omap34xx())
> omap_pmu_device.resource = &omap3_pmu_resource;
missing add braces to these two.
--
balbi
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