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author | Nico Huber <nico.huber@secunet.com> | 2017-05-11 16:40:40 +0200 |
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committer | Martin Roth <martinroth@google.com> | 2017-05-13 17:44:56 +0200 |
commit | c3da3fe1d36c58f0d3acbf237f5848dd08dcf016 (patch) | |
tree | 2dd3385657fc2575e7aebe40496abc1236c82e9a /src/drivers/pc80/rtc/mc146818rtc.c | |
parent | 7d46e96ed78ca1af7c951f79c16e6193f0ee094e (diff) | |
download | coreboot-c3da3fe1d36c58f0d3acbf237f5848dd08dcf016.tar.xz |
drivers/pc80/rtc: Rename mc146818rtc_early.c -> _romcc.c
And don't link it. It's for ROMCC.
To make code happy that uses the ROMCC interface read_option(),
read_option_lowlevel() is ported to mc146818rtc.c along with
a message to use get_option() instead.
Change-Id: I54ea08de034766c8140b320075d36d5e811582fa
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19663
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/drivers/pc80/rtc/mc146818rtc.c')
-rw-r--r-- | src/drivers/pc80/rtc/mc146818rtc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/drivers/pc80/rtc/mc146818rtc.c b/src/drivers/pc80/rtc/mc146818rtc.c index a102917d8d..33860b8de3 100644 --- a/src/drivers/pc80/rtc/mc146818rtc.c +++ b/src/drivers/pc80/rtc/mc146818rtc.c @@ -304,6 +304,17 @@ static enum cb_err set_cmos_value(unsigned long bit, unsigned long length, return CB_SUCCESS; } +unsigned int read_option_lowlevel(unsigned int start, unsigned int size, + unsigned int def) +{ + printk(BIOS_NOTICE, "NOTICE: read_option() used to access CMOS " + "from non-ROMCC code, please use get_option() instead.\n"); + if (IS_ENABLED(CONFIG_USE_OPTION_TABLE)) { + const unsigned char byte = cmos_read(start / 8); + return (byte >> (start & 7U)) & ((1U << size) - 1U); + } + return def; +} enum cb_err set_option(const char *name, void *value) { |