13429c77aSJulius Werner /* 2*579d1e90SJulius Werner * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved. 33429c77aSJulius Werner * 43429c77aSJulius Werner * SPDX-License-Identifier: BSD-3-Clause 53429c77aSJulius Werner */ 63429c77aSJulius Werner 7c3cf06f1SAntonio Nino Diaz #ifndef COREBOOT_H 8c3cf06f1SAntonio Nino Diaz #define COREBOOT_H 93429c77aSJulius Werner 1093c78ed2SAntonio Nino Diaz #include <stdint.h> 113429c77aSJulius Werner 123429c77aSJulius Werner typedef struct { 133429c77aSJulius Werner uint32_t type; /* always 2 (memory-mapped) on ARM */ 143429c77aSJulius Werner uint32_t baseaddr; 153429c77aSJulius Werner uint32_t baud; 163429c77aSJulius Werner uint32_t regwidth; /* in bytes, i.e. usually 4 */ 173429c77aSJulius Werner uint32_t input_hertz; 183429c77aSJulius Werner uint32_t uart_pci_addr; /* unused on current ARM systems */ 193429c77aSJulius Werner } coreboot_serial_t; 203429c77aSJulius Werner extern coreboot_serial_t coreboot_serial; 213429c77aSJulius Werner 22*579d1e90SJulius Werner #define COREBOOT_MAX_MEMRANGES 32 /* libpayload also uses this limit */ 23*579d1e90SJulius Werner 24*579d1e90SJulius Werner typedef struct __packed { 25*579d1e90SJulius Werner uint64_t start; 26*579d1e90SJulius Werner uint64_t size; 27*579d1e90SJulius Werner uint32_t type; 28*579d1e90SJulius Werner } coreboot_memrange_t; 29*579d1e90SJulius Werner extern coreboot_memrange_t coreboot_memranges[COREBOOT_MAX_MEMRANGES]; 30*579d1e90SJulius Werner 31*579d1e90SJulius Werner typedef enum { 32*579d1e90SJulius Werner CB_MEM_NONE = 0, /* coreboot will never report this */ 33*579d1e90SJulius Werner CB_MEM_RAM = 1, 34*579d1e90SJulius Werner CB_MEM_RESERVED = 2, 35*579d1e90SJulius Werner CB_MEM_ACPI = 3, 36*579d1e90SJulius Werner CB_MEM_NVS = 4, 37*579d1e90SJulius Werner CB_MEM_UNUSABLE = 5, 38*579d1e90SJulius Werner CB_MEM_VENDOR_RSVD = 6, 39*579d1e90SJulius Werner CB_MEM_TABLE = 16, 40*579d1e90SJulius Werner } coreboot_memory_t; 41*579d1e90SJulius Werner 42*579d1e90SJulius Werner coreboot_memory_t coreboot_get_memory_type(uintptr_t address); 433429c77aSJulius Werner void coreboot_table_setup(void *base); 443429c77aSJulius Werner 45c3cf06f1SAntonio Nino Diaz #endif /* COREBOOT_H */ 46