diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2013-10-28 14:18:38 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2014-02-24 18:44:08 +0100 |
| commit | e549e94d03305ce142d973ebb1f8383d37d3a491 (patch) | |
| tree | f2d43551e30230f81e6e4f5df951231504c43039 /src | |
| parent | 063c87358880ac911764b5a8fe4cdf09003278e1 (diff) | |
baytrail: IOSF write functions need to set data before control
The data needs to be available in the register before the control
bits are set to make the write happen.
BUG=chrome-os-partner:23507
BRANCH=rambi
TEST=successfully ungate power on PUNIT on rambi
Change-Id: I8fae60d5385ce9a401c1dec9cbb39b70d157a6c2
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/174898
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4906
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/baytrail/iosf.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/soc/intel/baytrail/iosf.c b/src/soc/intel/baytrail/iosf.c index e35e34f168..b9f1531986 100644 --- a/src/soc/intel/baytrail/iosf.c +++ b/src/soc/intel/baytrail/iosf.c @@ -56,8 +56,8 @@ void iosf_bunit_write(int reg, uint32_t val) uint32_t cr = IOSF_OPCODE(IOSF_OP_WRITE_BUNIT) | IOSF_PORT(IOSF_PORT_BUNIT) | IOSF_REG(reg) | IOSF_BYTE_EN; - write_iosf_reg(MCR_REG, cr); write_iosf_reg(MDR_REG, val); + write_iosf_reg(MCR_REG, cr); } uint32_t iosf_dunit_read(int reg) @@ -91,8 +91,8 @@ void iosf_dunit_write(int reg, uint32_t val) IOSF_PORT(IOSF_PORT_SYSMEMC) | IOSF_REG(reg) | IOSF_BYTE_EN; - write_iosf_reg(MCR_REG, cr); write_iosf_reg(MDR_REG, val); + write_iosf_reg(MCR_REG, cr); } uint32_t iosf_punit_read(int reg) @@ -111,6 +111,6 @@ void iosf_punit_write(int reg, uint32_t val) IOSF_PORT(IOSF_PORT_PMC) | IOSF_REG(reg) | IOSF_BYTE_EN; - write_iosf_reg(MCR_REG, cr); write_iosf_reg(MDR_REG, val); + write_iosf_reg(MCR_REG, cr); } |