diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 2 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/sb_util.c | 10 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/southbridge.c | 10 |
3 files changed, 16 insertions, 6 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index aed3288ae8..098d24edbb 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -533,6 +533,8 @@ uint8_t smbus_read8(uint8_t offset); uint16_t smbus_read16(uint8_t offset); void smbus_write8(uint8_t offset, uint8_t value); void smbus_write16(uint8_t offset, uint16_t value); +uint8_t aoac_read8(uint8_t reg); +void aoac_write8(uint8_t reg, uint8_t value); void bootblock_fch_early_init(void); void bootblock_fch_init(void); /** diff --git a/src/soc/amd/stoneyridge/sb_util.c b/src/soc/amd/stoneyridge/sb_util.c index 4bffdbc5cf..530e9cd946 100644 --- a/src/soc/amd/stoneyridge/sb_util.c +++ b/src/soc/amd/stoneyridge/sb_util.c @@ -271,6 +271,16 @@ void xhci_pm_write32(uint8_t reg, uint32_t value) /* aoac read/write - access registers at 0xfed81e00 - not currently used */ +u8 aoac_read8(u8 reg) +{ + return read8((void *)(ACPIMMIO_AOAC_BASE + reg)); +} + +void aoac_write8(u8 reg, u8 value) +{ + write8((void *)(ACPIMMIO_AOAC_BASE + reg), value); +} + uint16_t pm_acpi_pm_cnt_blk(void) { return pm_read16(PM1_CNT_BLK); diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c index 66894a24b4..7dc27c86da 100644 --- a/src/soc/amd/stoneyridge/southbridge.c +++ b/src/soc/amd/stoneyridge/southbridge.c @@ -279,20 +279,18 @@ int sb_set_wideio_range(uint16_t start, uint16_t size) static void power_on_aoac_device(int aoac_device_control_register) { uint8_t byte; - uint8_t *register_pointer = (uint8_t *)(uintptr_t)ACPIMMIO_AOAC_BASE - + aoac_device_control_register; /* Power on the UART and AMBA devices */ - byte = read8(register_pointer); + byte = aoac_read8(aoac_device_control_register); byte |= FCH_AOAC_PWR_ON_DEV; - write8(register_pointer, byte); + aoac_write8(aoac_device_control_register, byte); } static bool is_aoac_device_enabled(int aoac_device_status_register) { uint8_t byte; - byte = read8((uint8_t *)(uintptr_t)ACPIMMIO_AOAC_BASE - + aoac_device_status_register); + + byte = aoac_read8(aoac_device_status_register); byte &= (FCH_AOAC_PWR_RST_STATE | FCH_AOAC_RST_CLK_OK_STATE); if (byte == (FCH_AOAC_PWR_RST_STATE | FCH_AOAC_RST_CLK_OK_STATE)) return true; |