diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2013-10-04 15:23:31 -0500 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2014-02-11 22:18:48 +0100 |
| commit | 3f5a1ffb83895b325ec54ba0a6d0147f0af5fca8 (patch) | |
| tree | 3f8b999eec046149de00788c350663ce2eaeca9c /src/soc | |
| parent | 0b132c3ae3e36a94c594e171b6d17a06d8c759cf (diff) | |
| download | coreboot-3f5a1ffb83895b325ec54ba0a6d0147f0af5fca8.tar.xz | |
baytrail: add punit access functions
Like the bunit and dunit, add the punit accessor functions.
BUG=chrome-os-partner:23085
BRANCH=None
TEST=Built.
Change-Id: Ifd7184dfca8c0491c107bc1c562ea1ded444e372
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/171931
Reviewed-on: http://review.coreboot.org/4867
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/baytrail/baytrail/iosf.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/baytrail/iosf.c | 19 |
2 files changed, 21 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/baytrail/iosf.h b/src/soc/intel/baytrail/baytrail/iosf.h index b1f28dad7f..cf7e559e72 100644 --- a/src/soc/intel/baytrail/baytrail/iosf.h +++ b/src/soc/intel/baytrail/baytrail/iosf.h @@ -58,6 +58,8 @@ uint32_t iosf_bunit_read(int reg); void iosf_bunit_write(int reg, uint32_t val); uint32_t iosf_dunit_read(int reg); void iosf_dunit_write(int reg, uint32_t val); +uint32_t iosf_punit_read(int reg); +void iosf_punit_write(int reg, uint32_t val); /* IOSF ports. */ #define IOSF_PORT_AUNIT 0x00 /* IO Arbiter unit */ diff --git a/src/soc/intel/baytrail/iosf.c b/src/soc/intel/baytrail/iosf.c index 2373d81598..00a3269da0 100644 --- a/src/soc/intel/baytrail/iosf.c +++ b/src/soc/intel/baytrail/iosf.c @@ -76,6 +76,25 @@ 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); +} + +uint32_t iosf_punit_read(int reg) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_READ_PMC) | + IOSF_PORT(IOSF_PORT_PMC) | IOSF_REG(reg) | + IOSF_BYTE_EN; + + write_iosf_reg(MCR_REG, cr); + return read_iosf_reg(MDR_REG); +} + +void iosf_punit_write(int reg, uint32_t val) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_WRITE_PMC) | + IOSF_PORT(IOSF_PORT_PMC) | IOSF_REG(reg) | + IOSF_BYTE_EN; write_iosf_reg(MCR_REG, cr); write_iosf_reg(MDR_REG, val); |