1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2019 Rockchip Electronics Co., Ltd 4 */ 5 6 #ifndef _MEMBLK_H 7 #define _MEMBLK_H 8 9 #define ALIAS_COUNT_MAX 2 10 11 enum memblk_id { 12 MEMBLK_ID_UNK, 13 14 /* Preloader */ 15 MEMBLK_ID_ATF, 16 MEMBLK_ID_OPTEE, 17 MEMBLK_ID_SHM, 18 19 /* U-Boot self */ 20 MEMBLK_ID_UBOOT, 21 MEMBLK_ID_STACK, 22 MEMBLK_ID_FASTBOOT, 23 24 /* Image */ 25 MEMBLK_ID_RAMDISK, 26 MEMBLK_ID_FDT, 27 MEMBLK_ID_FDT_DTBO, 28 MEMBLK_ID_FDT_AOSP, 29 MEMBLK_ID_KERNEL, 30 MEMBLK_ID_UNCOMP_KERNEL, 31 MEMBLK_ID_ANDROID, 32 MEMBLK_ID_AVB_ANDROID, 33 34 /* Other */ 35 MEMBLK_ID_BY_NAME, 36 MEMBLK_ID_KMEM_RESERVED, 37 MEMBLK_ID_DEMO, 38 MEMBLK_ID_MAX, 39 }; 40 41 struct memblk_attr { 42 const char *name; 43 const char *alias[ALIAS_COUNT_MAX]; 44 u32 flags; 45 }; 46 47 struct memblock { 48 phys_addr_t base; 49 phys_size_t size; 50 phys_addr_t orig_base; 51 struct memblk_attr attr; 52 struct list_head node; 53 }; 54 55 extern const struct memblk_attr *mem_attr; 56 57 #define SIZE_MB(len) ((len) >> 20) 58 #define SIZE_KB(len) (((len) % (1 << 20)) >> 10) 59 60 #define M_ATTR_NONE 0 61 /* Over-Flow-Check for region tail */ 62 #define M_ATTR_OFC (1 << 0) 63 /* Over-Flow-Check for region Head, only for U-Boot stack */ 64 #define M_ATTR_HOFC (1 << 1) 65 /* Memory can be overlap by fdt reserved memory, deprecated */ 66 #define M_ATTR_OVERLAP (1 << 2) 67 /* Just peek, always return success, deprecated */ 68 #define M_ATTR_PEEK (1 << 3) 69 /* The region start address should be aligned to cacheline size */ 70 #define M_ATTR_CACHELINE_ALIGN (1 << 4) 71 /* Kernel 'reserved-memory' */ 72 #define M_ATTR_KMEM_RESERVED (1 << 5) 73 /* The region can be overlap by kernel 'reserved-memory' */ 74 #define M_ATTR_KMEM_CAN_OVERLAP (1 << 6) 75 /* Ignore invisable region reserved by bidram */ 76 #define M_ATTR_IGNORE_INVISIBLE (1 << 7) 77 78 79 #endif /* _MEMBLK_H */ 80