diff options
| author | Andrew Wu <arw@dmp.com.tw> | 2013-10-19 01:33:08 +0800 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-10-22 22:48:34 +0200 |
| commit | 1ce4860405d995585d08350481932238ee2f8c4a (patch) | |
| tree | d1405ca509ff1c54de6301fa1911f6e3f114d96b | |
| parent | ac164057993e9edbfe78537efbbc9ef5f75cd67c (diff) | |
vortex86ex: Defer checking PS/2 keyboard controller system flag
Don't check keyboard controller system flag until before calling
pc_keyboard_init(). This makes waiting time shorter.
Change-Id: I2cdb533a5b25575e1717434533a60decf748f6d8
Signed-off-by: Andrew Wu <arw@dmp.com.tw>
Reviewed-on: http://review.coreboot.org/3958
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
| -rw-r--r-- | src/southbridge/dmp/vortex86ex/southbridge.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/southbridge/dmp/vortex86ex/southbridge.c b/src/southbridge/dmp/vortex86ex/southbridge.c index d8914c0a41..ddb99b8241 100644 --- a/src/southbridge/dmp/vortex86ex/southbridge.c +++ b/src/southbridge/dmp/vortex86ex/southbridge.c @@ -138,7 +138,13 @@ static void upload_dmp_keyboard_firmware(struct device *dev) // disable firmware uploading. pci_write_config32(dev, SB_REG_IPFCR, reg_sb_c0 & ~0x400L); - // wait keyboard controller ready by checking status port bit 2. +} + +static void kbc_wait_system_flag(void) +{ + /* wait keyboard controller ready by checking system flag + * (status port bit 2). + */ post_code(POST_KBD_CHK_READY); while ((inb(0x64) & 0x4) == 0) { } @@ -571,6 +577,7 @@ static void southbridge_init(struct device *dev) fix_cmos_rtc_time(); rtc_init(0); + kbc_wait_system_flag(); pc_keyboard_init(0); } |