From: afzal.mohd.ma@gmail.com (Afzal Mohammed)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 10/11] arm: Add Aspeed machine
Date: Fri, 22 Apr 2016 10:50:05 +0530 [thread overview]
Message-ID: <20160422052005.GA4520@afzalpc> (raw)
In-Reply-To: <1461279774.3135.21.camel@kernel.crashing.org>
Hi,
On Fri, Apr 22, 2016 at 09:02:54AM +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2016-04-22 at 08:28 +1000, Benjamin Herrenschmidt wrote:
> > It may or may not be already correct, you don't necessarily have a
> > serial enabled bootloader or it might be using a UART driver that
> > doesn't use the 'standard' divisors etc... This just sanitizes it.
> On a second thought ... if we chose to not support random crap vendor
> uboots, we could make it a requirement that this register is already
> set appropriately by the bootloader to match what's in the device-tree
> I suppose...
ARM Linux expects bootloader to initialize one serial port
(Documentation/arm/Booting). Though mentioned as optional, recommended
so far haven't seen one w/o that. And to debug at early boot stage
like in assembly and where uart driver is not yet up, this helps in
being able to debug w/o jtag.
Regards
afzal
next prev parent reply other threads:[~2016-04-22 5:20 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-14 9:47 [PATCH 0/9] Aspeed AST2400 BMC support Joel Stanley
2016-04-14 9:47 ` [PATCH 1/9] doc/devicetree: Add Aspeed and Tyan to vendor-prefixes Joel Stanley
2016-04-14 9:47 ` [PATCH 2/9] doc/devicetree: Add Aspeed VIC bindings Joel Stanley
2016-04-14 9:47 ` [PATCH 3/9] doc/devicetree: Add Aspeed clock bindings Joel Stanley
2016-04-14 9:47 ` [PATCH 4/9] clocksource/moxart: Generalise timer for use on other socs Joel Stanley
2016-04-14 9:47 ` [PATCH 5/9] irqchip: Add irq controller for Aspeed Joel Stanley
2016-04-14 9:47 ` [PATCH 6/9] drivers/clk: Add Aspeed clock driver Joel Stanley
2016-04-14 9:47 ` [PATCH 7/9] arm/dts: Add aspeed device trees Joel Stanley
2016-04-14 9:47 ` [PATCH 8/9] arm: Add Aspeed AST2400 machine Joel Stanley
2016-04-14 9:47 ` [PATCH 9/9] arm/configs: Add aspeed defconfig Joel Stanley
2016-04-21 8:03 ` [PATCH v2 00/11] Aspeed AST2400 and AST2500 BMC support Joel Stanley
2016-04-21 8:03 ` [PATCH v2 01/11] doc/devicetree: Add Aspeed and Tyan to vendor-prefixes Joel Stanley
2016-04-21 8:04 ` [PATCH v2 02/11] doc/devicetree: Add Aspeed VIC bindings Joel Stanley
2016-04-21 8:04 ` [PATCH v2 03/11] doc/devicetree: Add Aspeed clock bindings Joel Stanley
2016-04-21 11:20 ` Heiko Stübner
2016-04-27 8:31 ` Joel Stanley
2016-04-27 9:12 ` Heiko Stübner
2016-04-28 6:50 ` Joel Stanley
2016-04-28 7:25 ` Heiko Stübner
2016-04-28 8:38 ` Benjamin Herrenschmidt
2016-04-21 8:04 ` [PATCH v2 04/11] clocksource/moxart: Generalise timer for use on other socs Joel Stanley
2016-04-21 8:22 ` Arnd Bergmann
2016-04-22 1:06 ` Joel Stanley
2016-04-22 17:30 ` Daniel Lezcano
2016-04-22 23:55 ` Benjamin Herrenschmidt
2016-05-03 5:56 ` Joel Stanley
2016-05-03 13:36 ` Daniel Lezcano
2016-05-06 14:50 ` Jonas Jensen
2016-04-21 8:04 ` [PATCH v2 05/11] irqchip: Add irq controller for Aspeed Joel Stanley
2016-04-21 8:04 ` [PATCH v2 06/11] clk: Add driver for Aspeed fourth gen SoCs Joel Stanley
2016-04-21 8:04 ` [PATCH v2 07/11] clk: Add driver for Aspeed fifth " Joel Stanley
2016-04-21 8:04 ` [PATCH v2 08/11] arm/dts: Add Aspeed ast2400 device tree Joel Stanley
2016-04-21 8:25 ` Arnd Bergmann
2016-04-21 8:04 ` [PATCH v2 09/11] arm/dst: Add Aspeed ast2500 " Joel Stanley
2016-05-05 23:11 ` Xo Wang
2016-05-06 7:28 ` Joel Stanley
2016-04-21 8:04 ` [PATCH v2 10/11] arm: Add Aspeed machine Joel Stanley
2016-04-21 8:35 ` Arnd Bergmann
2016-04-21 22:28 ` Benjamin Herrenschmidt
2016-04-21 23:02 ` Benjamin Herrenschmidt
2016-04-22 5:20 ` Afzal Mohammed [this message]
2016-04-22 5:32 ` Joel Stanley
2016-04-22 16:37 ` Arnd Bergmann
2016-04-21 8:04 ` [PATCH v2 11/11] arm/configs: Add aspeed defconfig Joel Stanley
2016-04-21 8:44 ` Arnd Bergmann
2016-04-21 8:54 ` [PATCH v2 00/11] Aspeed AST2400 and AST2500 BMC support Arnd Bergmann
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