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From: Detlev Zundel <dzu@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 12/20] arm/km: add support for external switchconfiguration
Date: Mon, 16 Jul 2012 18:55:56 +0200	[thread overview]
Message-ID: <m21ukb8x2b.fsf@lamuella.denx.de> (raw)
In-Reply-To: <20120709193225.5A43C200166@gemini.denx.de> (Wolfgang Denk's message of "Mon, 09 Jul 2012 21:32:25 +0200")

Hi,

>> How about amending the U-Boot design principles with 
>
> Go for it - it's a wiki.

Thinking about it, I turned it not into a rule, but into a Lemma from
the 10 rules:

  Lemmas from the golden rules
  
  1. Generic Code is Good Code
  
  New code shall be as generic as possible and added to the U-Boot
  abstraction hierarchy as high as possible. As few code as possible shall
  be added in board directories as people usually do not expect re-usable
  code there. Thus peripheral drivers should be put below "drivers" even
  if they start out supporting only one specific configuration. Note that
  it is not a requirement for such a first instance to be generic as
  genericity generally cannot be extrapolated from a single data point.
  
Feel free to amend / modify that.

Cheers
  Detlev

[1] http://www.denx.de/wiki/rdiff/U-Boot/DesignPrinciples?rev1=1.14&rev2=1.13

PS: Ok, actually I didn't want to ruin the magic 10 ;)

-- 
Question    : If you were redesigning UNIX, what would you do differently?
Ken Thompson: I'd spell creat with an e.
--
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu at denx.de

  reply	other threads:[~2012-07-16 16:55 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-07 10:06 [U-Boot] [PATCH 00/20] updates for Keymile Marvell boards Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 01/20] arm/km: enable spi claim bus Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 02/20] arm/km: use correct kw_gpio function for NAND/SPI switching Valentin Longchamp
2012-06-12  4:39   ` Prafulla Wadaskar
2012-06-12  8:38     ` Holger Brunck
2012-06-12  9:32       ` Prafulla Wadaskar
2012-06-12 10:29         ` Holger Brunck
2012-06-13 12:16           ` Holger Brunck
2012-06-07 10:06 ` [U-Boot] [PATCH 03/20] arm/kirkwood: protect the ENV_SPI #defines Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 04/20] arm/km: add kmnusa board support Valentin Longchamp
2012-06-12  4:39   ` Prafulla Wadaskar
2012-06-12  8:34     ` Holger Brunck
2012-06-12  9:40       ` Prafulla Wadaskar
2012-06-12 10:30         ` Holger Brunck
2012-06-12  9:45       ` Prafulla Wadaskar
2012-06-12  9:57       ` Prafulla Wadaskar
2012-06-12 10:37         ` Holger Brunck
2012-06-12 11:09           ` Prafulla Wadaskar
2012-06-12 11:43             ` Holger Brunck
2012-06-12 11:50               ` Prafulla Wadaskar
2012-06-12 15:20                 ` Holger Brunck
2012-06-07 10:06 ` [U-Boot] [PATCH 05/20] arm/km: add kmcoge5un " Valentin Longchamp
2012-06-12  4:39   ` Prafulla Wadaskar
2012-06-07 10:06 ` [U-Boot] [PATCH 06/20] arm/km: convert mgcoge3un target to km_kirkwood Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 07/20] arm/km: remove portl2.h and use km_kirkwood instead Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 08/20] arm/km: correct init of 88e6352 switch in the reset_phy function Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 09/20] arm/km: enable BOCO2 FPGA download support Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 10/20] arm/km: cleanup km_kirkwood boards Valentin Longchamp
2012-06-12  4:39   ` Prafulla Wadaskar
2012-06-12  8:15     ` Holger Brunck
2012-06-07 10:06 ` [U-Boot] [PATCH 11/20] arm/km: redefine piggy 4 reg names to avoid conflicts Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 12/20] arm/km: add support for external switch configuration Valentin Longchamp
2012-06-12  4:39   ` Prafulla Wadaskar
2012-06-21 13:09     ` [U-Boot] [PATCH 12/20] arm/km: add support for external switchconfiguration Valentin Longchamp
2012-07-03  8:17       ` Prafulla Wadaskar
2012-07-03  9:51         ` Valentin Longchamp
2012-07-04  8:07           ` Detlev Zundel
2012-07-04  9:20             ` Prafulla Wadaskar
2012-07-09 12:04               ` Holger Brunck
2012-07-09 12:31                 ` Wolfgang Denk
2012-07-09 12:50                   ` Detlev Zundel
2012-07-09 19:29                     ` Wolfgang Denk
2012-07-09 13:06                   ` Detlev Zundel
2012-07-09 14:44                     ` Holger Brunck
2012-07-09 19:44                       ` Wolfgang Denk
2012-07-09 19:32                     ` Wolfgang Denk
2012-07-16 16:55                       ` Detlev Zundel [this message]
2012-07-09 20:42                 ` Prafulla Wadaskar
2012-07-10 19:33                   ` Joe Hershberger
2012-07-09 14:31               ` Detlev Zundel
2012-07-09 14:40                 ` Valentin Longchamp
2012-07-10 10:18                 ` Prafulla Wadaskar
2012-06-07 10:06 ` [U-Boot] [PATCH 13/20] arm/km: enable external switch configuration for kmnusa Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 14/20] arm/km: skip FPGA config when already configured Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 15/20] arm/km: support the 2 PCIe fpga resets Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 16/20] arm/km: add implementation for read_dip_switch Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 17/20] arm/km: fix testpin detection for kmcoge5un Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 18/20] arm/km: implement weak function board_spi_clam_bus/release Valentin Longchamp
2012-06-07 10:06 ` [U-Boot] [PATCH 19/20] arm/km: remove spi toggle command Valentin Longchamp
2012-06-07 10:07 ` [U-Boot] [PATCH 20/20] arm/km: remove calls to kw_gpio_* in board_early_init_f Valentin Longchamp
2012-06-12  7:58   ` Prafulla Wadaskar
2012-06-12  8:43     ` Holger Brunck

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