diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/mmio_util.c | 8 | ||||
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/acpimmio.h | 106 |
2 files changed, 110 insertions, 4 deletions
diff --git a/src/soc/amd/common/block/acpimmio/mmio_util.c b/src/soc/amd/common/block/acpimmio/mmio_util.c index 281880cc25..d6320d69d8 100644 --- a/src/soc/amd/common/block/acpimmio/mmio_util.c +++ b/src/soc/amd/common/block/acpimmio/mmio_util.c @@ -214,7 +214,7 @@ void acpi_write32(u8 reg, u32 value) write32((void *)(ACPIMMIO_ACPI_BASE + reg), value); } -/* asf read/write - access registers at 0xfed80900 - not currently used */ +/* asf read/write - access registers at 0xfed80900 */ u8 asf_read8(u8 reg) { @@ -236,7 +236,7 @@ void asf_write16(u8 reg, u16 value) write16((void *)(ACPIMMIO_ASF_BASE + reg), value); } -/* smbus read/write - access registers at 0xfed80a00 and ASF at 0xfed80900 */ +/* smbus read/write - access registers at 0xfed80a00 */ u8 smbus_read8(u8 reg) { @@ -364,9 +364,9 @@ void xhci_pm_write32(uint8_t reg, uint32_t value) write32((void *)(ACPIMMIO_XHCIPM_BASE + reg), value); } -/* acdc_tmr read/write - access registers at 0xfed81d00 */ +/* acdc_tmr read/write - access registers at 0xfed81d00 - not currently used */ -/* aoac read/write - access registers at 0xfed81e00 - not currently used */ +/* aoac read/write - access registers at 0xfed81e00 */ u8 aoac_read8(u8 reg) { diff --git a/src/soc/amd/common/block/include/amdblocks/acpimmio.h b/src/soc/amd/common/block/include/amdblocks/acpimmio.h index c90c0c8add..6be856bc5c 100644 --- a/src/soc/amd/common/block/include/amdblocks/acpimmio.h +++ b/src/soc/amd/common/block/include/amdblocks/acpimmio.h @@ -18,81 +18,187 @@ #ifndef __AMDBLOCKS_ACPIMMIO_H__ #define __AMDBLOCKS_ACPIMMIO_H__ +/* + * The following AcpiMmio register block mapping represents definitions + * that have been documented in AMD publications. All blocks aren't + * implemented in all products, so the caller should be careful not to + * inadvertently access a non-existent block. The definitions within + * each block are also subject to change across products. Please refer + * to the appropriate RRG, the BKDG, or PPR for the product. + * + * The base address is configurable in older products, but defaults to + * 0xfed80000. The address is fixed at 0xfed80000 in newer products. + * + * +---------------------------------------------------------------------------+ + * |0x000 SMBus PCI space | + * | * Dual-mapped to PCI configuration header of D14F0 | + * +---------------------------------------------------------------------------+ + * |0x100 GPIO configuration registers | + * | * old style, never implemented with newer style | + * +---------------------------------------------------------------------------+ + * |0x200 SMI configuration registers | + * +---------------------------------------------------------------------------+ + * |0x300 Power Management registers | + * | * Dual-mapped via IO Index/Data 0xcd6/0xcd7 (byte access only) | + * +---------------------------------------------------------------------------+ + * |0x400 Power Management 2 registers | + * +---------------------------------------------------------------------------+ + * |0x500 BIOS RAM | + * | * General-purpose storage in S3 domain | + * | * Byte access only | + * +---------------------------------------------------------------------------+ + * |0x600 CMOS RAM | + * | * Dual-mapped to storage at Alt RTC Index/Data (0x72/0x73) | + * | * Byte access only | + * +---------------------------------------------------------------------------+ + * |0x700 CMOS | + * | * Dual-mapped to storage at RTC Index/Data (0x70/0x71) | + * | * Byte access only | + * +---------------------------------------------------------------------------+ + * |0x800 Standard ACPI registers | + * | * Dual-mapped to I/O ACPI registers | + * +---------------------------------------------------------------------------+ + * |0x900 ASF controller registers | + * | * Dual-mapped to I/O ASF controller registers | + * +---------------------------------------------------------------------------+ + * |0xa00 SMBus controller registers | + * | * Dual-mapped to I/O SMBus controller registers | + * +---------------------------------------------------------------------------+ + * |0xb00 WDT registers | + * | * Dual-mapped to WDT registers, typ. enabled at 0xfeb00000 | + * +---------------------------------------------------------------------------+ + * |0xc00 HPET registers | + * | * Dual-mapped to HPET registers, typ. enabled at 0xfed00000 | + * +---------------------------------------------------------------------------+ + * |0xd00 MUX configuration registers for GPIO signals | + * +---------------------------------------------------------------------------+ + * |0xe00 Miscellaneous registers | + * +---------------------------------------------------------------------------+ + * |0x1000 Serial debug bus | + * +---------------------------------------------------------------------------+ + * |0x1400 DP-VGA | + * +---------------------------------------------------------------------------+ + * |0x1500 GPIO configuration registers bank 0 | + * | * new style, never implemented with older style | + * +---------------------------------------------------------------------------+ + * |0x1600 GPIO configuration registers bank 1 | + * | * new style, never implemented with older style | + * +---------------------------------------------------------------------------+ + * |0x1700 GPIO configuration registers bank 2 | + * | * new style, never implemented with older style | + * +---------------------------------------------------------------------------+ + * |0x1c00 xHCI Power Management registers | + * +---------------------------------------------------------------------------+ + * |0x1d00 Wake device (AC DC timer) | + * +---------------------------------------------------------------------------+ + * |0x1e00 Always On Always Connect registers | + * +---------------------------------------------------------------------------+ + */ + +/* Enable the AcpiMmio range at 0xfed80000 */ void enable_acpimmio_decode(void); + +/* Access PM registers using IO cycles */ uint8_t pm_io_read8(uint8_t reg); uint16_t pm_io_read16(uint8_t reg); uint32_t pm_io_read32(uint8_t reg); void pm_io_write8(uint8_t reg, uint8_t value); void pm_io_write16(uint8_t reg, uint16_t value); void pm_io_write32(uint8_t reg, uint32_t value); + +/* Access SMI registers at 0xfed80100 */ uint8_t smi_read8(uint8_t reg); uint16_t smi_read16(uint8_t reg); uint32_t smi_read32(uint8_t reg); void smi_write8(uint8_t reg, uint8_t value); void smi_write16(uint8_t reg, uint16_t value); void smi_write32(uint8_t reg, uint32_t value); + +/* Access Power Management registers at 0xfed80300 */ uint8_t pm_read8(uint8_t reg); uint16_t pm_read16(uint8_t reg); uint32_t pm_read32(uint8_t reg); void pm_write8(uint8_t reg, uint8_t value); void pm_write16(uint8_t reg, uint16_t value); void pm_write32(uint8_t reg, uint32_t value); + +/* Access Power Management 2 registers at 0xfed80400 */ uint8_t pm2_read8(uint8_t reg); uint16_t pm2_read16(uint8_t reg); uint32_t pm2_read32(uint8_t reg); void pm2_write8(uint8_t reg, uint8_t value); void pm2_write16(uint8_t reg, uint16_t value); void pm2_write32(uint8_t reg, uint32_t value); + +/* Access BIOS RAM storage at 0xfed80500 */ uint8_t biosram_read8(uint8_t reg); uint16_t biosram_read16(uint8_t reg); uint32_t biosram_read32(uint8_t reg); void biosram_write8(uint8_t reg, uint8_t value); void biosram_write16(uint8_t reg, uint16_t value); void biosram_write32(uint8_t reg, uint32_t value); + +/* Access ACPI registers at 0xfed80800 */ uint8_t acpi_read8(uint8_t reg); uint16_t acpi_read16(uint8_t reg); uint32_t acpi_read32(uint8_t reg); void acpi_write8(uint8_t reg, uint8_t value); void acpi_write16(uint8_t reg, uint16_t value); void acpi_write32(uint8_t reg, uint32_t value); + +/* Access ASF controller registers at 0xfed80900 */ uint8_t asf_read8(uint8_t reg); uint16_t asf_read16(uint8_t reg); void asf_write8(uint8_t reg, uint8_t value); void asf_write16(uint8_t reg, uint16_t value); + +/* Access SMBus controller registers at 0xfed80a00 */ uint8_t smbus_read8(uint8_t reg); uint16_t smbus_read16(uint8_t reg); void smbus_write8(uint8_t reg, uint8_t value); void smbus_write16(uint8_t reg, uint16_t value); + +/* Access WDT registers at 0xfed80b00 */ uint8_t wdt_read8(uint8_t reg); uint16_t wdt_read16(uint8_t reg); uint32_t wdt_read32(uint8_t reg); void wdt_write8(uint8_t reg, uint8_t value); void wdt_write16(uint8_t reg, uint16_t value); void wdt_write32(uint8_t reg, uint32_t value); + +/* Access HPET registers at 0xfed80c00 */ uint8_t hpet_read8(uint8_t reg); uint16_t hpet_read16(uint8_t reg); uint32_t hpet_read32(uint8_t reg); void hpet_write8(uint8_t reg, uint8_t value); void hpet_write16(uint8_t reg, uint16_t value); void hpet_write32(uint8_t reg, uint32_t value); + +/* Access GPIO MUX registers at 0xfed80d00 */ uint8_t iomux_read8(uint8_t reg); uint16_t iomux_read16(uint8_t reg); uint32_t iomux_read32(uint8_t reg); void iomux_write8(uint8_t reg, uint8_t value); void iomux_write16(uint8_t reg, uint16_t value); void iomux_write32(uint8_t reg, uint32_t value); + +/* Access Miscellaneous registers at 0xfed80e00 */ uint8_t misc_read8(uint8_t reg); uint16_t misc_read16(uint8_t reg); uint32_t misc_read32(uint8_t reg); void misc_write8(uint8_t reg, uint8_t value); void misc_write16(uint8_t reg, uint16_t value); void misc_write32(uint8_t reg, uint32_t value); + +/* Access xHCI Power Management registers at 0xfed81c00 */ uint8_t xhci_pm_read8(uint8_t reg); uint16_t xhci_pm_read16(uint8_t reg); uint32_t xhci_pm_read32(uint8_t reg); void xhci_pm_write8(uint8_t reg, uint8_t value); void xhci_pm_write16(uint8_t reg, uint16_t value); void xhci_pm_write32(uint8_t reg, uint32_t value); + +/* Access Always On Always Connect registers at 0xfed81e00 */ uint8_t aoac_read8(uint8_t reg); void aoac_write8(uint8_t reg, uint8_t value); |