| commit | c6c2997cb73c2168fdc81f1d5f4397a591c77712 | [log] [tgz] |
|---|---|---|
| author | Simon Glass <sjg@chromium.org> | Fri Mar 11 22:07:06 2016 -0700 |
| committer | Bin Meng <bmeng.cn@gmail.com> | Thu Mar 17 10:27:25 2016 +0800 |
| tree | 14b1e96fbd144bbedb5f52e46719c79d2481c53a | |
| parent | 05a0a9bbd30cf59831524c940c651f3fb3ab609c [diff] |
x86: Add macros to clear and set I/O bits The clrsetbits_...() macros are useful for working with memory mapped I/O. But they do not work with I/O space, as used on x86 machines. Add some macros to provide similar features for I/O. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>