[PATCH v5 4/7] arm: omap4: hwmod: introduce emu hwmod

Paul Walmsley paul at pwsan.com
Tue Nov 8 10:26:52 EST 2011


Hi

some comments

On Mon, 24 Oct 2011, ming.lei at canonical.com wrote:

> From: Ming Lei <ming.lei at canonical.com>
> 
> So that access to cross trigger interface can be allowed, which
> will be introduce in later patches.
> 
> Signed-off-by: Ming Lei <ming.lei at canonical.com>
> ---
>  arch/arm/mach-omap2/omap_hwmod_44xx_data.c |   26 ++++++++++++++++++++++++++
>  1 files changed, 26 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
> index 393afac..c7289a8 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
> @@ -5276,6 +5276,30 @@ static struct omap_hwmod omap44xx_wd_timer3_hwmod = {
>  	.slaves_cnt	= ARRAY_SIZE(omap44xx_wd_timer3_slaves),
>  };
>  
> +static struct omap_hwmod_class omap44xx_emu_hwmod_class = {
> +	.name	= "emu",
> +};
> +
> +static struct omap_hwmod_irq_info omap44xx_emu_irqs[] = {
> +	{ .name = "cti0", .irq = 1 + OMAP44XX_IRQ_GIC_START },
> +	{ .name = "cti1", .irq = 2 + OMAP44XX_IRQ_GIC_START },
> +	{ .irq = -1 }
> +};

Are you sure these are part of the emulation IP?  We already have those 
IRQs in the MPU hwmod, see omap44xx_mpu_irqs[] in the same file.

> +/*emu hwmod*/
> +static struct omap_hwmod omap44xx_emu_hwmod = {
> +	.name		= "emu",
> +	.class		= &omap44xx_emu_hwmod_class,
> +	.clkdm_name	= "emu_sys_clkdm",
> +	.prcm = {
> +		.omap4 = {
> +			.clkctrl_offs = OMAP4_CM_EMU_CLKSTCTRL_OFFSET,

This doesn't look right either: EMU is a clockdomain, not an IP block.

> +			.modulemode   = MODULEMODE_HWCTRL,
> +		},
> +	},
> +	.mpu_irqs	= omap44xx_emu_irqs,
> +};
> +
>  static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
>  
>  	/* dmm class */



- Paul



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