src/soc/amd/common/block/include/amdblocks/acpi.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef AMD_BLOCK_ACPI_H
   4 #define AMD_BLOCK_ACPI_H
   5
   6 #include <acpi/acpi.h>
   7 #include <amdblocks/gpio.h>
   8 #include <device/device.h>
   9 #include <types.h>
  10
  11 #define ACPI_SCI_IRQ 9
  12
  13 /* ACPI MMIO registers 0xfed80800 */
  14 #define MMIO_ACPI_PM1_EVT_BLK           0x00
  15 #define  MMIO_ACPI_PM1_STS              0x00
  16 #define  MMIO_ACPI_PM1_EN               0x02
  17 #define MMIO_ACPI_PM1_CNT_BLK           0x04
  18           /* sleep types defined in include/acpi/acpi.h */
  19 #define   ACPI_PM1_CNT_SCIEN            BIT(0)
  20 #define MMIO_ACPI_PM_TMR_BLK            0x08
  21 #define MMIO_ACPI_GPE0_BLK              0x14
  22 #define  MMIO_ACPI_GPE0_STS             0x14
  23 #define  MMIO_ACPI_GPE0_EN              0x18
  24
  25 /* Structure to maintain standard ACPI register state for reporting purposes. */
  26 struct acpi_pm_gpe_state {
  27         uint16_t pm1_sts;
  28         uint16_t pm1_en;
  29         uint32_t gpe0_sts;
  30         uint32_t gpe0_en;
  31         uint16_t previous_sx_state;
  32         uint16_t aligning_field;
  33 };
  34
  35 /* Fill object with the ACPI PM and GPE state. */
  36 void acpi_fill_pm_gpe_state(struct acpi_pm_gpe_state *state);
  37 /* Save events to eventlog log and also print information on console. */
  38 void acpi_pm_gpe_add_events_print_events(void);
  39 /* Clear PM and GPE status registers. */
  40 void acpi_clear_pm_gpe_status(void);
  41
  42 /*
  43  * If a system reset is about to be requested, modify the PM1 register so it
  44  * will never be misinterpreted as an S3 resume.
  45  */
  46 void set_pm1cnt_s5(void);
  47 void acpi_enable_sci(void);
  48 void acpi_disable_sci(void);
  49
  50 struct chipset_power_state {
  51         struct acpi_pm_gpe_state gpe_state;
  52         struct gpio_wake_state gpio_state;
  53 };
  54
  55 unsigned long soc_acpi_write_tables(const struct device *device, unsigned long current,
  56                                     acpi_rsdp_t *rsdp);
  57
  58 unsigned long acpi_add_fsp_tables(unsigned long current, acpi_rsdp_t *rsdp);
  59 unsigned long acpi_add_opensil_tables(unsigned long current, acpi_rsdp_t *rsdp);
  60
  61 unsigned long southbridge_write_acpi_tables(const struct device *device, unsigned long current,
  62                                             struct acpi_rsdp *rsdp);
  63
  64 void acpi_log_events(const struct chipset_power_state *ps);
  65
  66 unsigned long acpi_add_crat_table(unsigned long current, acpi_rsdp_t *rsdp);
  67 unsigned long acpi_add_ivrs_table(unsigned long current, acpi_rsdp_t *rsdp);
  68
  69 #endif /* AMD_BLOCK_ACPI_H */