| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2019 Intel Corporation <www.intel.com> |
| */ |
| |
| #ifndef __SLIMBOOTLOADER_ARCH_H__ |
| #define __SLIMBOOTLOADER_ARCH_H__ |
| |
| #include <asm/hob.h> |
| |
| /** |
| * A GUID to get MemoryMap info hob which is provided by Slim Bootloader |
| */ |
| #define SBL_MEMORY_MAP_INFO_GUID \ |
| EFI_GUID(0xa1ff7424, 0x7a1a, 0x478e, \ |
| 0xa9, 0xe4, 0x92, 0xf3, 0x57, 0xd1, 0x28, 0x32) |
| |
| /** |
| * A GUID to get SerialPort info hob which is provided by Slim Bootloader |
| */ |
| #define SBL_SERIAL_PORT_INFO_GUID \ |
| EFI_GUID(0x6c6872fe, 0x56a9, 0x4403, \ |
| 0xbb, 0x98, 0x95, 0x8d, 0x62, 0xde, 0x87, 0xf1) |
| |
| /** |
| * A GUID to get boot performance info hob which is provided by Slim Bootloader |
| */ |
| #define SBL_PERFORMANCE_INFO_GUID \ |
| EFI_GUID(0x868204be, 0x23d0, 0x4ff9, \ |
| 0xac, 0x34, 0xb9, 0x95, 0xac, 0x04, 0xb1, 0xb9) |
| |
| /** |
| * A single entry of memory map information |
| * |
| * @addr: start address of a memory map entry |
| * @size: size of a memory map entry |
| * @type: usable:1, reserved:2, acpi:3, nvs:4, unusable:5 |
| * @flag: only used in Slim Bootloader |
| * @rsvd: padding for alignment |
| */ |
| struct sbl_memory_map_entry { |
| u64 addr; |
| u64 size; |
| u8 type; |
| u8 flag; |
| u8 rsvd[6]; |
| }; |
| |
| /** |
| * This includes all memory map entries which is sorted based on physical start |
| * address, from low to high, and carved out reserved, acpi nvs, acpi reclaim |
| * and usable memory. |
| * |
| * @rev : revision of memory_map_info structure. currently 1. |
| * @rsvd : padding for alignment |
| * @count: the number of memory map entries |
| * @entry: array of all memory map entries |
| */ |
| struct sbl_memory_map_info { |
| u8 rev; |
| u8 rsvd[3]; |
| u32 count; |
| struct sbl_memory_map_entry entry[0]; |
| }; |
| |
| /** |
| * This includes serial port info which has already been initialized in previous |
| * Slim Bootloader stage. |
| * The Slim Bootloader initializes serial port regardless of debug/release build |
| * modes, and it passes the information to a payload thru hob. So, a payload can |
| * re-use the serial information without re-initializing serial port. |
| * |
| * @rev : revision of serial_port_info structure. currently 1. |
| * @rsvd : padding for alignment |
| * @type : port io: 1, mmio: 2 |
| * @base : io base address. ex) 0x3f8, 0x80001000 |
| * @baud : uart baud rate |
| * @stride: register stride in Bytes |
| * @clk : uart frequency in Hz |
| * @rsvd1 : reserved |
| */ |
| struct sbl_serial_port_info { |
| u8 rev; |
| u8 rsvd[3]; |
| u32 type; |
| u32 base; |
| u32 baud; |
| u32 stride; |
| u32 clk; |
| u32 rsvd1; |
| }; |
| |
| /** |
| * This includes timestamp data which has been collected in Slim Bootloader |
| * stages from the reset vector. In addition, this has TSC frequency in KHz to |
| * calculate each timestamp. |
| * |
| * @rev : revision of performance_info structure. currently 1. |
| * @rsvd : padding for alignment |
| * @count : the number of collected timestamp data |
| * @flags : only used in Slim Bootloader |
| * @frequency: tsc frequency in KHz |
| * @timestamp: the array of timestamp data which has 64-bit tsc value |
| */ |
| struct sbl_performance_info { |
| u8 rev; |
| u8 rsvd[3]; |
| u16 count; |
| u16 flags; |
| u32 frequency; |
| u64 timestamp[0]; |
| }; |
| |
| #endif /* __SLIMBOOTLOADER_ARCH_H__ */ |