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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v3 14/15] ARM: at91: microchip-ksz9477: provide board code fallback
Date: Sun, 21 Apr 2019 11:42:30 +0200	[thread overview]
Message-ID: <1fba21ef-5a10-7497-876e-1e4a4595a543@pengutronix.de> (raw)
In-Reply-To: <20190402180113.GE18142@ravnborg.org>

Hello Sam,

On 2/4/19 20:01, Sam Ravnborg wrote:
> Hi Ahmad.
> 
> On Mon, Apr 01, 2019 at 12:18:22PM +0200, Ahmad Fatoum wrote:
>> The newly added device tree based first stage fails to load the second
>> stage from MMC, which might be in relation to a preceding atmel_mci
>> "command/data timeout" message.
> 
> I had similar troubles with MMC on at91sam9263.
> After some digging the fix was simple:
> See 5feabc1e6737742f1cf6a1c41921f68b4dbb5c10 ("arm: at91: fix clock to mci1 for at91sam9263")

Might be clock related. But if I need to fit drivers into the PBL
as well, device tree in first-stage won't be viable anyway,
so I probably won't look further into this.

> 
> Maybe you are hit by something as simple as this?
> 
>> +
>> +static const struct devfs_partition sama5d3_xplained_nand0_partitions[] = {
>> +	{
>> +		.offset = 0x00000,
>> +		.size = SZ_256K,
>> +		.flags = DEVFS_PARTITION_FIXED,
>> +		.name = "at91bootstrap_raw",
>> +		.bbname = "at91bootstrap",
>> +	},
> Strange partition name now we use barebox as first stage.

Indeed.

> 
> 
>> +++ b/arch/arm/configs/microchip_ksz9477_evb_bootstrap_mmc_defconfig
> 
> Naming confuses me.
> Do we stick to the name "first stage" or do we use "bootstrap"?
> For me they are the same, but I get confused when we use both.

For the at91sam9261ek the bootstrap defconfig is the one defining
AT91_BOOTSTRAP, so I figured I should follow suit..


> 
> 
> 	Sam
> 

-- 
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  reply	other threads:[~2019-04-21  9:42 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-01 10:18 [PATCH v3 00/15] ARM: at91: microchip-kz9477-evb: support first stage boot Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 01/15] LICENSES: add BSD-1-Clause license Ahmad Fatoum
2019-04-01 12:20   ` Roland Hieber
2019-04-21  9:03     ` Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 02/15] ARM: at91: import at91bootstrap's at91_ddrsdrc.h Ahmad Fatoum
2019-04-01 12:32   ` Roland Hieber
2019-04-01 13:36     ` Ahmad Fatoum
2019-04-01 14:23       ` Roland Hieber
2019-04-01 10:18 ` [PATCH v3 03/15] ARM: at91: migrate at91sam9_ddrsdr.h to use " Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 04/15] ARM: at91: replace at91sam9_ddrsdr.h with " Ahmad Fatoum
2019-04-02 17:25   ` Sam Ravnborg
2019-04-02 18:36     ` Ahmad Fatoum
2019-04-02 19:18       ` Sam Ravnborg
2019-04-03  7:22         ` Sascha Hauer
2019-04-03  9:54         ` Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 05/15] ARM: at91: watchdog: implement at91_wdt_disable Ahmad Fatoum
2019-04-02 17:38   ` Sam Ravnborg
2019-04-02 18:39     ` Ahmad Fatoum
2019-04-02 19:20       ` Sam Ravnborg
2019-04-01 10:18 ` [PATCH v3 06/15] ARM: at91: import lowlevel clock initialization from at91bootstrap Ahmad Fatoum
2019-04-02 17:42   ` Sam Ravnborg
2019-04-02 18:44     ` Ahmad Fatoum
2019-04-02 19:22       ` Sam Ravnborg
2019-04-01 10:18 ` [PATCH v3 07/15] ARM: at91: import early_udelay " Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 08/15] ARM: at91: import low level DDRAMC initialization code " Ahmad Fatoum
2019-04-03  7:48   ` Sascha Hauer
2019-04-01 10:18 ` [PATCH v3 09/15] ARM: at91: import lowlevel dbgu UART init " Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 10/15] images: at91: differentiate between first and second stage images Ahmad Fatoum
2019-04-02 17:49   ` Sam Ravnborg
2019-04-21  9:21     ` Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 11/15] ARM: at91: microchip-ksz9477-evb: use compressed DTB Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 12/15] ARM: dts: microchip-ksz9477-evb: add dummy first stage device tree Ahmad Fatoum
2019-04-01 10:18 ` [PATCH v3 13/15] ARM: at91: microchip-ksz9477-evb: implement first stage Ahmad Fatoum
2019-04-01 12:37   ` Roland Hieber
2019-04-01 13:37     ` Ahmad Fatoum
2019-04-03  7:58   ` Sascha Hauer
2019-04-01 10:18 ` [PATCH v3 14/15] ARM: at91: microchip-ksz9477: provide board code fallback Ahmad Fatoum
2019-04-02 18:01   ` Sam Ravnborg
2019-04-21  9:42     ` Ahmad Fatoum [this message]
2019-04-03  8:15   ` Sascha Hauer
2019-04-01 10:18 ` [PATCH v3 15/15] doc: microchip-ksz9477-evb: add documentation Ahmad Fatoum
2019-04-02 18:03   ` Sam Ravnborg
2019-04-02 18:06 ` [PATCH v3 00/15] ARM: at91: microchip-kz9477-evb: support first stage boot Sam Ravnborg

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