From: Roland Hieber <rhi@pengutronix.de>
To: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v6 0/9] Raspberry Pi miniuart support
Date: Tue, 15 Jan 2019 14:19:37 +0100 [thread overview]
Message-ID: <20190115131937.knddobplvqzlfboj@pengutronix.de> (raw)
In-Reply-To: <1547556692.4278.1.camel@pengutronix.de>
On Tue, Jan 15, 2019 at 01:51:32PM +0100, Rouven Czerwinski wrote:
> Looks like RPI W is wired the same way as RPI3.
> I think for the RPI Zero W you'll need two additional lines:
>
> #define BCM2835_MINIUART_BASE 0x20215040
>
> and
> clkdev_add_physbase(clk, BCM2835_MINIUART_BASE, NULL);
> in rpi_console_clock_init.
>
> These should enable the clkdev for the uart and should barebox allow to
> probe the miniuart on RPI Zero W.
Thanks, I'll try that!
> Don't forget to remove the uart_2ndstage=1, this line also switches
> PL011 and the miniuart.
Ahh, you're right, I hadn't thought about that! I tested the RPi 1 too
with that line in config.txt.
- Roland
--
Roland Hieber | r.hieber@pengutronix.de |
Pengutronix e.K. | https://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim | Phone: +49-5121-206917-5086 |
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next prev parent reply other threads:[~2019-01-15 13:19 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-15 5:44 Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 1/9] ARM: rpi: fix typo in rpi-common.c Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 2/9] ARM: rpi: move clks into board specific rpi-common Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 3/9] ARM: rpi: retrieve miniuart clock from firmware Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 4/9] serial_ns16550: handle default reg-io-width Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 5/9] serial_ns16550: add raspberry pi compatible and init Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 6/9] ARM: rpi: add NS16550 support Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 7/9] ARM: rpi: choose miniuart as stdout Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 8/9] doc: bcm283x: remove miniuart overlay instruction Rouven Czerwinski
2019-01-15 5:44 ` [PATCH v6 9/9] ARM: rpi: use defines for uart bases Rouven Czerwinski
2019-01-15 11:01 ` [PATCH v6 0/9] Raspberry Pi miniuart support Roland Hieber
2019-01-15 12:51 ` Rouven Czerwinski
2019-01-15 13:19 ` Roland Hieber [this message]
2019-01-15 23:47 ` Roland Hieber
2019-01-15 23:48 ` Roland Hieber
2019-01-16 7:46 ` Sascha Hauer
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