diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/include/soc/southbridge.h')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index adf3af243d..1652bbc56f 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -39,6 +39,8 @@ #define FORCE_SLPSTATE_RETRY BIT(25) #define FORCE_STPCLK_RETRY BIT(24) +#define SMB_ASF_IO_BASE 0x01 /* part of PM_DECODE_EN */ + #define PWR_RESET_CFG 0x10 #define TOGGLE_ALL_PWR_GOOD BIT(1) @@ -111,6 +113,50 @@ #define MMIO_ACPI_GPE0_EN 0x18 #define MMIO_ACPI_PM_TMR_BLK 0x08 +/* SMBUS MMIO offsets 0xfed80a00 */ +#define SMBHSTSTAT 0x0 +#define SMBHST_STAT_FAILED 0x10 +#define SMBHST_STAT_COLLISION 0x08 +#define SMBHST_STAT_ERROR 0x04 +#define SMBHST_STAT_INTERRUPT 0x02 +#define SMBHST_STAT_BUSY 0x01 +#define SMBHST_STAT_CLEAR 0xff +#define SMBHST_STAT_NOERROR 0x02 +#define SMBHST_STAT_VAL_BITS 0x1f +#define SMBHST_STAT_ERROR_BITS 0x1c + +#define SMBSLVSTAT 0x1 +#define SMBSLV_STAT_ALERT 0x20 +#define SMBSLV_STAT_SHADOW2 0x10 +#define SMBSLV_STAT_SHADOW1 0x08 +#define SMBSLV_STAT_SLV_STS 0x04 +#define SMBSLV_STAT_SLV_INIT 0x02 +#define SMBSLV_STAT_SLV_BUSY 0x01 +#define SMBSLV_STAT_CLEAR 0x1f + +#define SMBHSTCTRL 0x2 +#define SMBHST_CTRL_RST 0x80 +#define SMBHST_CTRL_STRT 0x40 +#define SMBHST_CTRL_QCK_RW 0x00 +#define SMBHST_CTRL_BTE_RW 0x04 +#define SMBHST_CTRL_BDT_RW 0x08 +#define SMBHST_CTRL_WDT_RW 0x0c +#define SMBHST_CTRL_BLK_RW 0x14 +#define SMBHST_CTRL_MODE_BITS 0x1c +#define SMBHST_CTRL_KILL 0x02 +#define SMBHST_CTRL_IEN 0x01 + +#define SMBHSTCMD 0x3 +#define SMBHSTADDR 0x4 +#define SMBHSTDAT0 0x5 +#define SMBHSTDAT1 0x6 +#define SMBHSTBLKDAT 0x7 +#define SMBSLVCTRL 0x8 +#define SMBSLVCMD_SHADOW 0x9 +#define SMBSLVEVT 0xa +#define SMBSLVDAT 0xc +#define SMBTIMING 0xe + /* FCH MISC Registers 0xfed80e00 */ #define GPP_CLK_CNTRL 0x00 #define GPP_CLK2_REQ_MAP_SHIFT 8 @@ -480,6 +526,8 @@ void xhci_pm_write16(uint8_t reg, uint16_t value); uint16_t xhci_pm_read16(uint8_t reg); void xhci_pm_write32(uint8_t reg, uint32_t value); uint32_t xhci_pm_read32(uint8_t reg); +void smbus_write8(uint32_t mmio, uint8_t reg, uint8_t value); +uint8_t smbus_read8(uint32_t mmio, uint8_t reg); void bootblock_fch_early_init(void); void bootblock_fch_init(void); /** |