projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 17b7efe2 JB |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * (C) Copyright 2016 Beniamino Galvani <[email protected]> | |
| 4 | * (C) Copyright 2018 Neil Armstrong <[email protected]> | |
| 5 | */ | |
| 6 | ||
| d678a59d | 7 | #include <common.h> |
| 9b4a205f | 8 | #include <init.h> |
| f7ae49fc | 9 | #include <log.h> |
| 90526e9f | 10 | #include <net.h> |
| 17b7efe2 JB |
11 | #include <asm/arch/boot.h> |
| 12 | #include <asm/arch/eth.h> | |
| 13 | #include <asm/arch/g12a.h> | |
| 14 | #include <asm/arch/mem.h> | |
| 4ba46d80 | 15 | #include <asm/arch/meson-vpu.h> |
| 401d1c4f | 16 | #include <asm/global_data.h> |
| 17b7efe2 JB |
17 | #include <asm/io.h> |
| 18 | #include <asm/armv8/mmu.h> | |
| 19 | #include <linux/sizes.h> | |
| 17b7efe2 JB |
20 | |
| 21 | DECLARE_GLOBAL_DATA_PTR; | |
| 22 | ||
| 23 | int meson_get_boot_device(void) | |
| 24 | { | |
| 25 | return readl(G12A_AO_SEC_GP_CFG0) & G12A_AO_BOOT_DEVICE; | |
| 26 | } | |
| 27 | ||
| 28 | /* Configure the reserved memory zones exported by the secure registers | |
| 29 | * into EFI and DTB reserved memory entries. | |
| 30 | */ | |
| 31 | void meson_init_reserved_memory(void *fdt) | |
| 32 | { | |
| 33 | u64 bl31_size, bl31_start; | |
| 34 | u64 bl32_size, bl32_start; | |
| 35 | u32 reg; | |
| 36 | ||
| 37 | /* | |
| 38 | * Get ARM Trusted Firmware reserved memory zones in : | |
| 39 | * - AO_SEC_GP_CFG3: bl32 & bl31 size in KiB, can be 0 | |
| 40 | * - AO_SEC_GP_CFG5: bl31 physical start address, can be NULL | |
| 41 | * - AO_SEC_GP_CFG4: bl32 physical start address, can be NULL | |
| 42 | */ | |
| 43 | reg = readl(G12A_AO_SEC_GP_CFG3); | |
| 44 | ||
| 45 | bl31_size = ((reg & G12A_AO_BL31_RSVMEM_SIZE_MASK) | |
| 46 | >> G12A_AO_BL31_RSVMEM_SIZE_SHIFT) * SZ_1K; | |
| 47 | bl32_size = (reg & G12A_AO_BL32_RSVMEM_SIZE_MASK) * SZ_1K; | |
| 48 | ||
| 49 | bl31_start = readl(G12A_AO_SEC_GP_CFG5); | |
| 50 | bl32_start = readl(G12A_AO_SEC_GP_CFG4); | |
| 51 | ||
| 52 | /* Add BL31 reserved zone */ | |
| 53 | if (bl31_start && bl31_size) | |
| 54 | meson_board_add_reserved_memory(fdt, bl31_start, bl31_size); | |
| 55 | ||
| 56 | /* Add BL32 reserved zone */ | |
| 57 | if (bl32_start && bl32_size) | |
| 58 | meson_board_add_reserved_memory(fdt, bl32_start, bl32_size); | |
| 4ba46d80 NA |
59 | |
| 60 | #if defined(CONFIG_VIDEO_MESON) | |
| 61 | meson_vpu_rsv_fb(fdt); | |
| 62 | #endif | |
| 17b7efe2 JB |
63 | } |
| 64 | ||
| 65 | phys_size_t get_effective_memsize(void) | |
| 66 | { | |
| 67 | /* Size is reported in MiB, convert it in bytes */ | |
| 5e5db096 NA |
68 | return min(((readl(G12A_AO_SEC_GP_CFG0) & G12A_AO_MEM_SIZE_MASK) |
| 69 | >> G12A_AO_MEM_SIZE_SHIFT) * SZ_1M, 0xf5000000); | |
| 17b7efe2 JB |
70 | } |
| 71 | ||
| 72 | static struct mm_region g12a_mem_map[] = { | |
| 73 | { | |
| 74 | .virt = 0x0UL, | |
| 75 | .phys = 0x0UL, | |
| 5e5db096 | 76 | .size = 0xf5000000UL, |
| 17b7efe2 JB |
77 | .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | |
| 78 | PTE_BLOCK_INNER_SHARE | |
| 79 | }, { | |
| 5e5db096 NA |
80 | .virt = 0xf5000000UL, |
| 81 | .phys = 0xf5000000UL, | |
| 82 | .size = 0x0b000000UL, | |
| 17b7efe2 JB |
83 | .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | |
| 84 | PTE_BLOCK_NON_SHARE | | |
| 85 | PTE_BLOCK_PXN | PTE_BLOCK_UXN | |
| 86 | }, { | |
| 87 | /* List terminator */ | |
| 88 | 0, | |
| 89 | } | |
| 90 | }; | |
| 91 | ||
| 92 | struct mm_region *mem_map = g12a_mem_map; |