linux-kernel - Re: [PATCH 1/3] ARM: pxa168: added support for Teton BGA platform

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Message-ID: <AANLkTim+heO9nDOUhKYatAKts6QcPvcE0tBs=wVtvF4g@mail.gmail.com>
Date:	Wed, 8 Sep 2010 19:42:36 -0400
From:	"Mark F. Brown" <mark.brown314@...il.com>
To:	Marek Vasut <marek.vasut@...il.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Eric Miao <eric.y.miao@...il.com>,
	Haojian Zhuang <haojian.zhuang@...vell.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: pxa168: added support for Teton BGA platform

On Wed, Sep 8, 2010 at 11:51 AM, Marek Vasut <marek.vasut@...il.com> wrote:
> Dne St 8. září 2010 04:56:45 Mark F. Brown napsal(a):
>
> ---------------------------
> Description is missing here
> ---------------------------
>
>> Signed-off-by: Mark F. Brown <mark.brown314@...il.com>
>> ---
>>  arch/arm/mach-mmp/Kconfig     |    7 ++++++
>>  arch/arm/mach-mmp/Makefile    |    1 +
>>  arch/arm/mach-mmp/teton_bga.c |   47
>> +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 55
>> insertions(+), 0 deletions(-)
>>  create mode 100644 arch/arm/mach-mmp/teton_bga.c
>>
>> diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
>> index 6ab843e..0711d3b 100644
>> --- a/arch/arm/mach-mmp/Kconfig
>> +++ b/arch/arm/mach-mmp/Kconfig
>> @@ -57,6 +57,13 @@ config MACH_MARVELL_JASPER
>>         PXA910-based development board. Since MMP2 is compatible to
>>         ARMv6 architecture.
>>
>> +config MACH_TETON_BGA
>> +     bool "Marvell's PXA168 Teton BGA Development Board"
>> +     select CPU_PXA168
>> +     help
>> +       Say 'Y' here if you want to support the Marvell PXA168-based
>> +       Teton BGA Development Board.
>> +
>>  endmenu
>>
>>  config CPU_PXA168
>> diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
>> index 8b66d06..751cdbf 100644
>> --- a/arch/arm/mach-mmp/Makefile
>> +++ b/arch/arm/mach-mmp/Makefile
>> @@ -17,3 +17,4 @@ obj-$(CONFIG_MACH_TAVOREVB) += tavorevb.o
>>  obj-$(CONFIG_MACH_TTC_DKB)   += ttc_dkb.o
>>  obj-$(CONFIG_MACH_FLINT)     += flint.o
>>  obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
>> +obj-$(CONFIG_MACH_TETON_BGA) += teton_bga.o
>> diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
>> new file mode 100644
>> index 0000000..014cc37
>> --- /dev/null
>> +++ b/arch/arm/mach-mmp/teton_bga.c
>> @@ -0,0 +1,47 @@
>> +/*
>> + *  linux/arch/arm/mach-mmp/teton_bga.c
>> + *
>> + *  Support for the Marvell PXA168 Teton BGA Development Platform.
>
> Authoring information of this file are missing. Also, MAINTAINERS entry is
> missing.
>> + *
>> + *  This code is based on aspenite.c
>> + *
>> + *  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
>> + *  publishhed by the Free Software Foundation.
>> + */
>> +
>> +#include <linux/init.h>
>> +#include <linux/kernel.h>
>> +#include <linux/platform_device.h>
>> +
>> +#include <asm/mach-types.h>
>> +#include <asm/mach/arch.h>
>> +#include <mach/addr-map.h>
>> +#include <mach/mfp-pxa168.h>
>> +#include <mach/pxa168.h>
>> +#include <mach/gpio.h>
>
> use ... #include <linux/gpio.h>
>
>> +
>> +#include "common.h"
>> +
>> +static unsigned long teton_bga_pin_config[] __initdata = {
>> +     /* UART1 */
>> +     GPIO107_UART1_TXD,
>> +     GPIO108_UART1_RXD,
>> +};
>> +
>> +static void __init teton_bga_init(void)
>> +{
>> +     mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
>> +
>> +     /* on-chip devices */
>> +     pxa168_add_uart(1);
>
> Don't we have enum for these magic numbers on pxa168 ?
>> +}
>> +
>> +MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
>> +     .phys_io        = APB_PHYS_BASE,
>> +     .io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
>> +     .map_io         = mmp_map_io,
>> +     .init_irq       = pxa168_init_irq,
>> +     .timer          = &pxa168_timer,
>> +     .init_machine   = teton_bga_init,
>> +MACHINE_END
>
> Cheers
>

I am assuming you mean the magic number for .io_pg_offst:
 .io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,

It seems all of the other platforms in arch/arm are configuring it
this way. Do you really want me to change this?

Regards,
-- Mark
--
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