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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2015-07-03 13:49:22 +1000 |
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committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2015-07-03 17:09:44 +1000 |
commit | 642a2f8a27629ef0782b29d7a719cab0688456f8 (patch) | |
tree | fa37ea55b76dae1278ddd4f132f463366ea34286 /core | |
parent | ef50b5f5ad2834996eabc7e10885659a1ef65196 (diff) | |
download | skiboot-642a2f8a27629ef0782b29d7a719cab0688456f8.zip skiboot-642a2f8a27629ef0782b29d7a719cab0688456f8.tar.gz skiboot-642a2f8a27629ef0782b29d7a719cab0688456f8.tar.bz2 |
plat/qemu: Add LPC based RTC support
This adds a driver for standard CMOS RTC chips and use it from
the QEMU platform.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'core')
-rw-r--r-- | core/time-utils.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/core/time-utils.c b/core/time-utils.c index 10a4da4..573e7f1 100644 --- a/core/time-utils.c +++ b/core/time-utils.c @@ -16,23 +16,6 @@ #include <time-utils.h> -/* MSB is byte 3, LSB is byte 0 */ -static unsigned int bcd_byte(uint32_t bcd, int byteno) -{ - bcd >>= byteno * 8; - return (bcd >> 4 & 0xf) * 10 + (bcd & 0xf); -} - -static uint32_t int_to_bcd2(unsigned int x) -{ - return (((x / 10) << 4) & 0xf0) | (x % 10); -} - -static uint32_t int_to_bcd4(unsigned int x) -{ - return int_to_bcd2(x / 100) << 8 | int_to_bcd2(x % 100); -} - /* * Converts an OPAL formated datetime into a struct tm. We ignore microseconds * as Linux doesn't use them anyway. |