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From: Allen Martin <amartin@nvidia.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 07/14] ARM: add tegra20 support to arm720t
Date: Mon, 11 Jun 2012 12:01:32 -0700	[thread overview]
Message-ID: <20120611190132.GD6633@nvidia.com> (raw)
In-Reply-To: <CAPnjgZ1JCgNo4ZQ9JxW3Cq0fJ3+W0j=abR5ngB9GcOWaNte8hA@mail.gmail.com>

On Sat, Jun 09, 2012 at 11:32:08AM -0700, Simon Glass wrote:
> Hi Allen,
> 
> On Fri, Jun 8, 2012 at 2:16 PM, Allen Martin <amartin at nvidia.com<mailto:amartin@nvidia.com>> wrote:
> Add support for tegra20 arm7 boot processor.  This processor is used
> to power on the Cortex A9 and transfer control to it.
> 
> Signed-off-by: Allen Martin <amartin at nvidia.com<mailto:amartin@nvidia.com>>
> ---
>  arch/arm/cpu/arm720t/cpu.c                         |    2 +
>  arch/arm/cpu/arm720t/interrupts.c                  |    4 +
>  arch/arm/cpu/arm720t/start.S                       |    6 +-
>  .../{tegra20-common => arm720t/tegra20}/Makefile   |   22 +-
>  arch/arm/cpu/arm720t/tegra20/board.h               |   25 ++
>  arch/arm/cpu/arm720t/tegra20/cpu.c                 |  259 ++++++++++++++++++++
>  arch/arm/cpu/arm720t/tegra20/cpu.h                 |   99 ++++++++
>  arch/arm/cpu/arm720t/tegra20/spl.c                 |  133 ++++++++++
>  arch/arm/cpu/tegra20-common/Makefile               |    2 +-
>  arch/arm/include/asm/arch-tegra20/hardware.h       |   29 +++
> 
> I think this (empty) file is required by arm720t/cpu.c, right?

Yes.

> 
> You are using arm720t here, but your chip is actually an ARM7TDMI. I
> suppose that doesn't matter since there is no cache and they share
> the same core. But perhaps a comment would be useful explaining this
> difference and how it was convenient to use the same code.

Good point, will do.

-Allen
-- 
nvpublic

  reply	other threads:[~2012-06-11 19:01 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-08 21:15 [U-Boot] [PATCH v3 0/14] split tegra20 arm7 code into separate SPL Allen Martin
2012-06-08 21:15 ` [U-Boot] [PATCH v3 01/14] tegra20: rename tegra2 -> tegra20 Allen Martin
2012-06-08 21:54   ` Tom Warren
2012-06-12 19:55     ` Allen Martin
2012-06-08 21:15 ` [U-Boot] [PATCH v3 02/14] tegra20: move tegra20 SoC code to arch/arm/cpu/tegra20-common Allen Martin
2012-06-08 21:15 ` [U-Boot] [PATCH v3 03/14] tegra20: rename CONFIG_MACH_TEGRA_GENERIC Allen Martin
2012-06-08 21:15 ` [U-Boot] [PATCH v3 04/14] mkconfig: add support for SPL CPU Allen Martin
2012-06-09 18:20   ` Simon Glass
2012-06-11 18:40     ` Allen Martin
2012-06-08 21:15 ` [U-Boot] [PATCH v3 05/14] ARM: Fix arm720t SPL build Allen Martin
2012-06-08 21:15 ` [U-Boot] [PATCH v3 06/14] tegra20: remove timer_init from " Allen Martin
2012-06-08 21:16 ` [U-Boot] [PATCH v3 07/14] ARM: add tegra20 support to arm720t Allen Martin
2012-06-08 21:48   ` Tom Warren
2012-06-09  5:15   ` Stephen Warren
2012-06-09 18:32   ` Simon Glass
2012-06-11 19:01     ` Allen Martin [this message]
2012-06-08 21:16 ` [U-Boot] [PATCH v3 08/14] tegra20: add SPL config options for tegra20 boards Allen Martin
2012-06-09  5:19   ` Stephen Warren
2012-06-09  6:30     ` Allen Martin
2012-06-09 18:35   ` Simon Glass
2012-06-11 19:05     ` Allen Martin
2012-06-11 20:17       ` Simon Glass
2012-06-08 21:16 ` [U-Boot] [PATCH v3 09/14] tegra20: add u-boot.t2 target Allen Martin
2012-06-09  5:21   ` Stephen Warren
2012-06-11 19:09     ` Allen Martin
2012-06-09 19:12   ` Simon Glass
2012-06-11 19:22     ` Allen Martin
2012-06-11 20:21       ` Simon Glass
2012-06-11 23:09         ` Allen Martin
2012-06-12  0:16           ` Simon Glass
2012-06-08 21:16 ` [U-Boot] [PATCH v3 10/14] tegra: move SDRAM param save to later in boot Allen Martin
2012-06-09 19:15   ` Simon Glass
2012-06-11 22:38     ` Allen Martin
2012-06-08 21:16 ` [U-Boot] [PATCH v3 11/14] tegra20: Remove CPU init code from tegra20 u-boot Allen Martin
2012-06-09 19:19   ` Simon Glass
2012-06-11 22:53     ` Allen Martin
2012-06-12  0:15       ` Simon Glass
2012-06-08 21:16 ` [U-Boot] [PATCH v3 12/14] tegra20: Remove armv4t build flags Allen Martin
2012-06-09  5:24   ` Stephen Warren
2012-06-09  6:34     ` Allen Martin
2012-06-09 19:23       ` Simon Glass
2012-06-09 19:23   ` Simon Glass
2012-06-08 21:16 ` [U-Boot] [PATCH v3 13/14] tegra20: plutux: change obj directory mkdir commands Allen Martin
2012-06-09  5:29   ` Stephen Warren
2012-06-09  6:36     ` Allen Martin
2012-06-09 19:26   ` Simon Glass
2012-06-08 21:16 ` [U-Boot] [PATCH v3 14/14] tegra20: tec: add tegra20-common-post.h Allen Martin
2012-06-11  9:23   ` Thierry Reding
2012-06-09  5:30 ` [U-Boot] [PATCH v3 0/14] split tegra20 arm7 code into separate SPL Stephen Warren
2012-06-09 19:44 ` Simon Glass

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