Re: [PATCH 2/3] AM35xx: Introduce am35xx.h file

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



"Hiremath, Vaibhav" <hvaibhav@xxxxxx> writes:

>> -----Original Message-----
>> From: Kevin Hilman [mailto:khilman@xxxxxxxxxxxxxxxxxxx]
>> Sent: Thursday, January 07, 2010 5:20 AM
>> To: Hiremath, Vaibhav
>> Cc: linux-omap@xxxxxxxxxxxxxxx; tony@xxxxxxxxxxx; Govindarajan,
>> Sriramakrishnan
>> Subject: Re: [PATCH 2/3] AM35xx: Introduce am35xx.h file
>> 
>> hvaibhav@xxxxxx writes:
>> 
>> > From: Vaibhav Hiremath <hvaibhav@xxxxxx>
>> >
>> > Add base address definations for new AM35xx IPSS modules, like
>> > VPFE, USBOTG, CPGMAC.
>> >
>> > Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
>> > Signed-off-by: Sriramakrishnan <srk@xxxxxx>
>> > ---
>> >  arch/arm/plat-omap/include/plat/am35xx.h   |   25
>> +++++++++++++++++++++++++
>> >  arch/arm/plat-omap/include/plat/hardware.h |    1 +
>> >  2 files changed, 26 insertions(+), 0 deletions(-)
>> >  create mode 100644 arch/arm/plat-omap/include/plat/am35xx.h
>> >
>> > diff --git a/arch/arm/plat-omap/include/plat/am35xx.h
>> b/arch/arm/plat-omap/include/plat/am35xx.h
>> > new file mode 100644
>> > index 0000000..d41bd61
>> > --- /dev/null
>> > +++ b/arch/arm/plat-omap/include/plat/am35xx.h
>> > @@ -0,0 +1,25 @@
>> > +/*:
>> > + * Address mappings and base address for AM35XX specific
>> interconnects
>> > + * and peripherals.
>> > + *
>> > + * Copyright (C) 2009 Texas Instruments
>> > + *
>> > + * Author: Sriramakrishnan <srk@xxxxxx>
>> > + *	   Vaibhav Hiremath <hvaibhav@xxxxxx>
>> > + *
>> > + * 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.
>> > + */
>> > +#ifndef __ASM_ARCH_AM35XX_H
>> > +#define __ASM_ARCH_AM35XX_H
>> > +
>> > +/*
>> > + * Base addresses
>> > + */
>> > +#define AM35XX_IPSS_EMAC_BASE		0x5C000000
>> > +#define AM35XX_IPSS_USBOTGSS_BASE	0x5C040000
>> > +#define AM35XX_IPSS_HECC_BASE		0x5C050000
>> > +#define AM35XX_IPSS_VPFE_BASE		0x5C060000
>> 
>> I think this secont needs ome more comments.  In the 34xx TRM memory
>> map, this region is shown as IVA2, so folks familiar with 34xx might
>> be confused.
>> 
> [Hiremath, Vaibhav] I will update the comment with sufficient info.
>
>> That being said, is there any reason to have these in a global
>> header
>> file?  Nobody should use these except SoC/board init code, so these
>> should probably stay in arch/arm/mach-omap2 in AM35x specific code.
>> 
> [Hiremath, Vaibhav] Agreed, but there are some occurrences where these macros may required to use in plat-omap/ directory. Just for an example - 
>
> Macro OMAP443X_SCM_BASE, defined in
> arch/arm/plat-omap/include/plat/omap44xx.h file is getting used in
> arch/arm/plat-omap/common.c file.

OK, but SCM_BASE has nothing to do with the base addresses you're
adding in this patch.

My point is that I don't see a need for the values in this patch to be
defined in a global header.

Kevin
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux