+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Based on acpi.c from coreboot
*
* Copyright (C) 2015, Saket Sinha <saket.sinha89@gmail.com>
* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
+#ifndef __ASM_ACPI_TABLE_H__
+#define __ASM_ACPI_TABLE_H__
+
#define RSDP_SIG "RSD PTR " /* RSDP pointer signature */
#define OEM_ID "U-BOOT" /* U-Boot */
#define OEM_TABLE_ID "U-BOOTBL" /* U-Boot Table */
/* ACPI global NVS structure */
struct acpi_global_nvs;
+/* DBG2 definitions are partially used for SPCR interface_type */
+
+/* Types for port_type field */
+
+#define ACPI_DBG2_SERIAL_PORT 0x8000
+#define ACPI_DBG2_1394_PORT 0x8001
+#define ACPI_DBG2_USB_PORT 0x8002
+#define ACPI_DBG2_NET_PORT 0x8003
+
+/* Subtypes for port_subtype field */
+
+#define ACPI_DBG2_16550_COMPATIBLE 0x0000
+#define ACPI_DBG2_16550_SUBSET 0x0001
+#define ACPI_DBG2_ARM_PL011 0x0003
+#define ACPI_DBG2_ARM_SBSA_32BIT 0x000D
+#define ACPI_DBG2_ARM_SBSA_GENERIC 0x000E
+#define ACPI_DBG2_ARM_DCC 0x000F
+#define ACPI_DBG2_BCM2835 0x0010
+
+#define ACPI_DBG2_1394_STANDARD 0x0000
+
+#define ACPI_DBG2_USB_XHCI 0x0000
+#define ACPI_DBG2_USB_EHCI 0x0001
+
+#define ACPI_DBG2_UNKNOWN 0x00FF
+
+/* SPCR (Serial Port Console Redirection table) */
+struct __packed acpi_spcr {
+ struct acpi_table_header header;
+ u8 interface_type;
+ u8 reserved[3];
+ struct acpi_gen_regaddr serial_port;
+ u8 interrupt_type;
+ u8 pc_interrupt;
+ u32 interrupt; /* Global system interrupt */
+ u8 baud_rate;
+ u8 parity;
+ u8 stop_bits;
+ u8 flow_control;
+ u8 terminal_type;
+ u8 reserved1;
+ u16 pci_device_id; /* Must be 0xffff if not PCI device */
+ u16 pci_vendor_id; /* Must be 0xffff if not PCI device */
+ u8 pci_bus;
+ u8 pci_device;
+ u8 pci_function;
+ u32 pci_flags;
+ u8 pci_segment;
+ u32 reserved2;
+};
+
/* These can be used by the target port */
void acpi_fill_header(struct acpi_table_header *header, char *signature);
u16 seg_nr, u8 start, u8 end);
u32 acpi_fill_mcfg(u32 current);
void acpi_create_gnvs(struct acpi_global_nvs *gnvs);
-/**
- * enter_acpi_mode() - enter into ACPI mode
- *
- * This programs the ACPI-defined PM1_CNT register to enable SCI interrupt
- * so that the whole system swiches to ACPI mode.
- *
- * @pm1_cnt: PM1_CNT register I/O address
- */
-void enter_acpi_mode(int pm1_cnt);
ulong write_acpi_tables(ulong start);
/**
- * acpi_find_fadt() - find ACPI FADT table in the sytem memory
+ * acpi_get_rsdp_addr() - get ACPI RSDP table address
*
- * This routine parses the ACPI table to locate the ACPI FADT table.
+ * This routine returns the ACPI RSDP table address in the system memory.
*
- * @return: a pointer to the ACPI FADT table in the system memory
+ * @return: ACPI RSDP table address
*/
-struct acpi_fadt *acpi_find_fadt(void);
+ulong acpi_get_rsdp_addr(void);
-/**
- * acpi_find_wakeup_vector() - find OS installed wake up vector address
- *
- * This routine parses the ACPI table to locate the wake up vector installed
- * by the OS previously.
- *
- * @return: wake up vector address installed by the OS
- */
-void *acpi_find_wakeup_vector(struct acpi_fadt *);
+#endif /* __ASM_ACPI_TABLE_H__ */