From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Date: Wed, 1 Feb 2017 15:05:18 +0200 Subject: [U-Boot] [u-boot PATCH v2 6/8] ARM: Use Kconfig for board EEPROM's I2C bus and chip address In-Reply-To: <20170201121441.GK5096@bill-the-cat> References: <1485789316-22216-1-git-send-email-rogerq@ti.com> <1485789316-22216-7-git-send-email-rogerq@ti.com> <46904e6c-9099-4cce-b6cc-fa457bbd4b43@ti.com> <4b608991-cc94-be87-a25d-cf3db8b999f1@ti.com> <8429311a-dfd2-e256-8dfd-17a840f169a4@ti.com> <20170201121441.GK5096@bill-the-cat> Message-ID: <22f06bc2-b365-d851-228a-facf5fa7018b@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 01/02/17 14:14, Tom Rini wrote: > On Wed, Feb 01, 2017 at 02:01:11PM +0200, Roger Quadros wrote: >> On 01/02/17 12:47, Lokesh Vutla wrote: >>> >>> >>> On Wednesday 01 February 2017 03:12 PM, Roger Quadros wrote: >>>> On 31/01/17 06:17, Lokesh Vutla wrote: >>>>> >>>>> >>>>> On Monday 30 January 2017 08:45 PM, Roger Quadros wrote: >>>>>> In stead of defining the board EEPROM address in the board headers >>>>>> let's define them in the board config files and make them >>>>>> configurable by Kconfig. >>>>>> >>>>>> Signed-off-by: Roger Quadros >>>>>> --- >>>>>> arch/arm/Kconfig | 10 ++++++++++ >>>>>> configs/am57xx_evm_defconfig | 2 ++ >>>>>> configs/am57xx_evm_nodt_defconfig | 2 ++ >>>>>> configs/am57xx_hs_evm_defconfig | 2 ++ >>>>>> configs/dra7xx_evm_defconfig | 2 ++ >>>>>> configs/dra7xx_hs_evm_defconfig | 2 ++ >>>>>> include/configs/am57xx_evm.h | 4 ---- >>>>>> include/configs/dra7xx_evm.h | 4 ---- >>>>>> 8 files changed, 20 insertions(+), 8 deletions(-) >>>>>> >>>>>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig >>>>>> index c04adfb..19886ad 100644 >>>>>> --- a/arch/arm/Kconfig >>>>>> +++ b/arch/arm/Kconfig >>>>>> @@ -1009,6 +1009,16 @@ config TARGET_THUNDERX_88XX >>>>>> >>>>>> endchoice >>>>>> >>>>>> +config EEPROM_BUS_ADDRESS >>>>>> + int "Board EEPROM's I2C bus address" >>>>>> + range 0 8 >>>>>> + default 0 >>>>>> + >>>>>> +config EEPROM_CHIP_ADDRESS >>>>>> + hex "Board EEPROM's I2C chip address" >>>>>> + range 0 0xff >>>>>> + default 0x50 >>>>>> + >>>>> >>>>> IMO, these should be placed in board/ti/common/Kconfig. Also need not >>>>> specify the value explicitly in defconfig if default value is used. >>>> >>>> "board/ti/common/Kconfig" is not used by keystone >>>> Is it OK to source it in board/ti/ks2_evm/Kconfig? >>> >>> yes. I don't see any problem with that :) >>> >> >> If I do that I get the below error. >> I think it is because SPL_NAND is being enabled but not required for K2? >> Are all options in ti/common/Kconfig relevant for K2? > > The Kconfig file may need some minor tweaks / dependencies added to be > used on keystone, and long term we'll be doing all of those "config > SPL_FOO\ndefault y" entries another way. The NAND entry could be > changed (but you'll need to test, and shoving a test branch at travis-ci > is an easy way to test) to be instead of 'default y' be 'default > CMD_NAND' I think. > It starts to look ugly if I add conditions in the Kconfig file. Why are we setting default y to various SPL_* options in this file? Shouldn't the board config file explicitly set the values? e.g. some TI board might not need SPL_I2C and other might need it. -- cheers, -roger