diff options
Diffstat (limited to 'src/soc/intel/common/block/pmc/pmclib.c')
| -rw-r--r-- | src/soc/intel/common/block/pmc/pmclib.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/src/soc/intel/common/block/pmc/pmclib.c b/src/soc/intel/common/block/pmc/pmclib.c index d7362b6dc4..82b391b958 100644 --- a/src/soc/intel/common/block/pmc/pmclib.c +++ b/src/soc/intel/common/block/pmc/pmclib.c @@ -420,37 +420,24 @@ int pmc_fill_power_state(struct chipset_power_state *ps) } #if CONFIG(PMC_GLOBAL_RESET_ENABLE_LOCK) -/* - * If possible, lock 0xcf9. Once the register is locked, it can't be changed. - * This lock is reset on cold boot, hard reset, soft reset and Sx. - */ -void pmc_global_reset_lock(void) +void pmc_global_reset_disable_and_lock(void) { - /* Read PMC base address from soc */ - uintptr_t etr = soc_read_pmc_base() + ETR; + uint32_t *etr = soc_pmc_etr_addr(); uint32_t reg; - reg = read32((void *)etr); - if (reg & CF9_LOCK) - return; - reg |= CF9_LOCK; - write32((void *)etr, reg); + reg = read32(etr); + reg = (reg & ~CF9_GLB_RST) | CF9_LOCK; + write32(etr, reg); } -/* - * Enable or disable global reset. If global reset is enabled, hard reset and - * soft reset will trigger global reset, where both host and TXE are reset. - * This is cleared on cold boot, hard reset, soft reset and Sx. - */ void pmc_global_reset_enable(bool enable) { - /* Read PMC base address from soc */ - uintptr_t etr = soc_read_pmc_base() + ETR; + uint32_t *etr = soc_pmc_etr_addr(); uint32_t reg; - reg = read32((void *)etr); + reg = read32(etr); reg = enable ? reg | CF9_GLB_RST : reg & ~CF9_GLB_RST; - write32((void *)etr, reg); + write32(etr, reg); } #endif // CONFIG_PMC_GLOBAL_RESET_ENABLE_LOCK |