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From: <bogus@does.not.exist.com>
To: u-boot@lists.denx.de
Subject: No subject
Date: Mon, 05 Dec 2011 12:53:56 -0000	[thread overview]
Message-ID: <mailman.36.1335734824.16640.u-boot@lists.denx.de> (raw)

it's board specific. I added a new patch for s3c440 gpio driver. Now in the
board file we have no more magic bloat.

>> +/*
>> + * When booting from NAND, it is impossible to access the lowest addresses
>> + * due to the SteppingStone being in the way. Luckily the NOR doesn't really
>> + * care about the highest 16 bits of address, so we set the controlers
>> + * registers to go and poke over there, instead.
>> + */
>> +#define PHYS_FLASH_1                 0x0
>> +#define CONFIG_SYS_FLASH_BASE        0x0
>
>Urghh... this sounds very much like a serious design issue?

About this point, I ported it from the old version uboot as well. It may need
some investigation, but I remember it was a big problem with this board. In the
case of a NAND boot, we don't have access to NOR because the SteppingStone
(SRAM) is mapped at the same range.

Gabriel Huau (2):
  Add GPIO Driver and IOMUX definition for S3C2440
  Add support for MINI2440 (s3c2440).

 MAINTAINERS                               |    4 +
 arch/arm/include/asm/arch-s3c24x0/gpio.h  |  183 +++++++++++++++++++++++++
 arch/arm/include/asm/arch-s3c24x0/iomux.h |  197 +++++++++++++++++++++++++++
 board/friendlyarm/mini2440/Makefile       |   44 ++++++
 board/friendlyarm/mini2440/mini2440.c     |  135 +++++++++++++++++++
 board/friendlyarm/mini2440/mini2440.h     |  144 ++++++++++++++++++++
 boards.cfg                                |    1 +
 doc/README.mini2440                       |   28 ++++
 drivers/gpio/Makefile                     |    1 +
 drivers/gpio/s3c2440_gpio.c               |   74 ++++++++++
 include/configs/mini2440.h                |  209 +++++++++++++++++++++++++++++
 11 files changed, 1020 insertions(+)
 create mode 100644 arch/arm/include/asm/arch-s3c24x0/gpio.h
 create mode 100644 arch/arm/include/asm/arch-s3c24x0/iomux.h
 create mode 100644 board/friendlyarm/mini2440/Makefile
 create mode 100644 board/friendlyarm/mini2440/mini2440.c
 create mode 100644 board/friendlyarm/mini2440/mini2440.h
 create mode 100644 doc/README.mini2440
 create mode 100644 drivers/gpio/s3c2440_gpio.c
 create mode 100644 include/configs/mini2440.h

-- 
1.7.9.5

             reply	other threads:[~2011-12-05 12:53 UTC|newest]

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