From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/5] Tegra2: Add bitfield access macros
Date: Tue, 7 Jun 2011 11:06:19 -0400 [thread overview]
Message-ID: <201106071106.20421.vapier@gentoo.org> (raw)
In-Reply-To: <20110607100623.01E351EA347@gemini.denx.de>
On Tuesday, June 07, 2011 06:06:23 Wolfgang Denk wrote:
> #define FIELD_VAL(x) (x << 16)
> #define FIELD_MASK FIELD_VAL(0xF)
this is basically what we do in the blackfin port. we keep most of the logic
in the defines so that we can use the simpler i/o logic without too much
hassle.
the only additional thing we do is add a define for the shift in case we need
to do something the macros cant provide.
#define FIELD_SHIFT 16
#define FIELD_VAL(x) ((x) << FIELD_SHIFT)
#define FIELD_MASK FIELD_FAL(0xF)
-mike
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next prev parent reply other threads:[~2011-06-07 15:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-02 0:14 [U-Boot] [PATCH 0/5] Add bitfields, clock and pinmux functions to simplify code Simon Glass
2011-06-02 0:14 ` [U-Boot] [PATCH 1/5] Tegra2: Add bitfield access macros Simon Glass
2011-06-06 18:50 ` Wolfgang Denk
2011-06-07 0:38 ` Simon Glass
2011-06-07 6:28 ` Wolfgang Denk
2011-06-07 6:46 ` Simon Glass
2011-06-07 10:06 ` Wolfgang Denk
2011-06-07 15:06 ` Mike Frysinger [this message]
2011-06-07 15:12 ` Simon Glass
2011-06-07 15:51 ` Wolfgang Denk
2011-06-07 20:00 ` Wolfgang Denk
2011-06-08 7:37 ` Detlev Zundel
2011-06-08 16:10 ` Simon Glass
2011-06-08 19:21 ` Wolfgang Denk
2011-06-08 19:48 ` Simon Glass
2011-06-08 20:46 ` Wolfgang Denk
2011-06-02 0:14 ` [U-Boot] [PATCH 2/5] Tegra2: Add microsecond timer functions Simon Glass
2011-06-02 0:14 ` [U-Boot] [PATCH 3/5] Tegra2: Add more clock support Simon Glass
2011-06-02 0:14 ` [U-Boot] [PATCH 4/5] Tegra2: add additional pin multiplexing features Simon Glass
2011-06-02 0:14 ` [U-Boot] [PATCH 5/5] Tegra2: Use clock and pinmux functions to simplify code Simon Glass
2011-06-06 18:59 ` [U-Boot] [PATCH 0/5] Add bitfields, " Wolfgang Denk
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