diff options
Diffstat (limited to 'src/soc/intel/baytrail/iosf.c')
| -rw-r--r-- | src/soc/intel/baytrail/iosf.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/iosf.c b/src/soc/intel/baytrail/iosf.c index 6d4cba9bb6..2373d81598 100644 --- a/src/soc/intel/baytrail/iosf.c +++ b/src/soc/intel/baytrail/iosf.c @@ -59,3 +59,24 @@ void iosf_bunit_write(int reg, uint32_t val) write_iosf_reg(MCR_REG, cr); write_iosf_reg(MDR_REG, val); } + +uint32_t iosf_dunit_read(int reg) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_READ_SYSMEMC) | + IOSF_PORT(IOSF_PORT_SYSMEMC) | IOSF_REG(reg) | + IOSF_BYTE_EN; + + write_iosf_reg(MCR_REG, cr); + return read_iosf_reg(MDR_REG); +} + +void iosf_dunit_write(int reg, uint32_t val) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_WRITE_SYSMEMC) | + IOSF_PORT(IOSF_PORT_SYSMEMC) | IOSF_REG(reg) | + IOSF_BYTE_EN; + + + write_iosf_reg(MCR_REG, cr); + write_iosf_reg(MDR_REG, val); +} |