All of lore.kernel.org
 help / color / mirror / Atom feed
From: Peter De Schrijver <pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
	Russell King - ARM Linux
	<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH V3 3/5] ARM: tegra: decouple uncompress.h and debug-macro.S
Date: Mon, 22 Oct 2012 11:18:30 +0300	[thread overview]
Message-ID: <20121022081830.GH3196@tbergstrom-lnx.Nvidia.com> (raw)
In-Reply-To: <1350686507-3022-3-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>

> +
> +#define checkuart(rp, rv, lhu, bit, uart) \
> +               /* Load address of CLK_RST register */ \
> +               movw    rp, #TEGRA_CLK_RST_DEVICES_##lhu & 0xffff ; \
> +               movt    rp, #TEGRA_CLK_RST_DEVICES_##lhu >> 16 ; \
> +               /* Load value from CLK_RST register */ \
> +               ldr     rp, [rp, #0] ; \
> +               /* Test UART's reset bit */ \
> +               tst     rp, #(1 << bit) ; \
> +               /* If set, can't use UART; jump to save no UART */ \
> +               bne     90f ; \
> +               /* Load address of CLK_OUT_ENB register */ \
> +               movw    rp, #TEGRA_CLK_OUT_ENB_##lhu & 0xffff ; \
> +               movt    rp, #TEGRA_CLK_OUT_ENB_##lhu >> 16 ; \
> +               /* Load value from CLK_OUT_ENB register */ \
> +               ldr     rp, [rp, #0] ; \
> +               /* Test UART's clock enable bit */ \
> +               tst     rp, #(1 << bit) ; \
> +               /* If clear, can't use UART; jump to save no UART */ \
> +               beq     90f ; \
> +               /* Passed all tests, load address of UART registers */ \
> +               movw    rp, #TEGRA_UART##uart##_BASE & 0xffff ; \
> +               movt    rp, #TEGRA_UART##uart##_BASE >> 16 ; \
> +               /* Jump to save UART address */ \
> +               b 91f
> 

Maybe make this a subroutine?

Cheers,

Peter.

WARNING: multiple messages have this Message-ID (diff)
From: pdeschrijver@nvidia.com (Peter De Schrijver)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V3 3/5] ARM: tegra: decouple uncompress.h and debug-macro.S
Date: Mon, 22 Oct 2012 11:18:30 +0300	[thread overview]
Message-ID: <20121022081830.GH3196@tbergstrom-lnx.Nvidia.com> (raw)
In-Reply-To: <1350686507-3022-3-git-send-email-swarren@wwwdotorg.org>

> +
> +#define checkuart(rp, rv, lhu, bit, uart) \
> +               /* Load address of CLK_RST register */ \
> +               movw    rp, #TEGRA_CLK_RST_DEVICES_##lhu & 0xffff ; \
> +               movt    rp, #TEGRA_CLK_RST_DEVICES_##lhu >> 16 ; \
> +               /* Load value from CLK_RST register */ \
> +               ldr     rp, [rp, #0] ; \
> +               /* Test UART's reset bit */ \
> +               tst     rp, #(1 << bit) ; \
> +               /* If set, can't use UART; jump to save no UART */ \
> +               bne     90f ; \
> +               /* Load address of CLK_OUT_ENB register */ \
> +               movw    rp, #TEGRA_CLK_OUT_ENB_##lhu & 0xffff ; \
> +               movt    rp, #TEGRA_CLK_OUT_ENB_##lhu >> 16 ; \
> +               /* Load value from CLK_OUT_ENB register */ \
> +               ldr     rp, [rp, #0] ; \
> +               /* Test UART's clock enable bit */ \
> +               tst     rp, #(1 << bit) ; \
> +               /* If clear, can't use UART; jump to save no UART */ \
> +               beq     90f ; \
> +               /* Passed all tests, load address of UART registers */ \
> +               movw    rp, #TEGRA_UART##uart##_BASE & 0xffff ; \
> +               movt    rp, #TEGRA_UART##uart##_BASE >> 16 ; \
> +               /* Jump to save UART address */ \
> +               b 91f
> 

Maybe make this a subroutine?

Cheers,

Peter.

  parent reply	other threads:[~2012-10-22  8:18 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-19 22:41 [PATCH V3 1/5] ARM: implement debug_ll_io_init() Stephen Warren
2012-10-19 22:41 ` Stephen Warren
     [not found] ` <1350686507-3022-1-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-19 22:41   ` [PATCH V3 2/5] ARM: tegra: simplify DEBUG_LL UART selection options Stephen Warren
2012-10-19 22:41     ` Stephen Warren
2012-10-19 22:41   ` [PATCH V3 3/5] ARM: tegra: decouple uncompress.h and debug-macro.S Stephen Warren
2012-10-19 22:41     ` Stephen Warren
     [not found]     ` <1350686507-3022-3-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-22  8:18       ` Peter De Schrijver [this message]
2012-10-22  8:18         ` Peter De Schrijver
     [not found]         ` <20121022081830.GH3196-Rysk9IDjsxmJz7etNGeUX8VPkgjIgRvpAL8bYrjMMd8@public.gmane.org>
2012-10-22 16:24           ` Stephen Warren
2012-10-22 16:24             ` Stephen Warren
     [not found]             ` <50857340.4010403-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-22 22:13               ` Russell King - ARM Linux
2012-10-22 22:13                 ` Russell King - ARM Linux
2012-10-19 22:41   ` [PATCH V3 4/5] ARM: tegra: don't include iomap.h from debug-macro.S Stephen Warren
2012-10-19 22:41     ` Stephen Warren
2012-10-19 22:41   ` [PATCH V3 5/5] ARM: tegra: move debug-macro.S to include/debug Stephen Warren
2012-10-19 22:41     ` Stephen Warren
2012-10-20 13:36   ` [PATCH V3 1/5] ARM: implement debug_ll_io_init() Rob Herring
2012-10-20 13:36     ` Rob Herring
2012-11-05 19:03   ` Stephen Warren
2012-11-05 19:03     ` Stephen Warren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20121022081830.GH3196@tbergstrom-lnx.Nvidia.com \
    --to=pdeschrijver-ddmlm1+adcrqt0dzr+alfa@public.gmane.org \
    --cc=arnd-r2nGTMty4D4@public.gmane.org \
    --cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
    --cc=linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org \
    --cc=linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org \
    --cc=rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org \
    --cc=swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org \
    --cc=swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.