xref: /openbmc/u-boot/arch/arm/mach-versal/cpu.c (revision cbd2fba1)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2016 - 2018 Xilinx, Inc.
4  * Michal Simek <michal.simek@xilinx.com>
5  */
6 
7 #include <common.h>
8 #include <asm/armv8/mmu.h>
9 #include <asm/io.h>
10 
11 static struct mm_region versal_mem_map[] = {
12 	{
13 		.virt = 0x0UL,
14 		.phys = 0x0UL,
15 		.size = 0x80000000UL,
16 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
17 			 PTE_BLOCK_INNER_SHARE
18 	}, {
19 		.virt = 0x80000000UL,
20 		.phys = 0x80000000UL,
21 		.size = 0x70000000UL,
22 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
23 			 PTE_BLOCK_NON_SHARE |
24 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
25 	}, {
26 		.virt = 0xf0000000UL,
27 		.phys = 0xf0000000UL,
28 		.size = 0x0fe00000UL,
29 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
30 			 PTE_BLOCK_NON_SHARE |
31 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
32 	}, {
33 		.virt = 0xffe00000UL,
34 		.phys = 0xffe00000UL,
35 		.size = 0x00200000UL,
36 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
37 			 PTE_BLOCK_INNER_SHARE
38 	}, {
39 		.virt = 0x400000000UL,
40 		.phys = 0x400000000UL,
41 		.size = 0x200000000UL,
42 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
43 			 PTE_BLOCK_NON_SHARE |
44 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
45 	}, {
46 		.virt = 0x600000000UL,
47 		.phys = 0x600000000UL,
48 		.size = 0x800000000UL,
49 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
50 			 PTE_BLOCK_INNER_SHARE
51 	}, {
52 		.virt = 0xe00000000UL,
53 		.phys = 0xe00000000UL,
54 		.size = 0xf200000000UL,
55 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
56 			 PTE_BLOCK_NON_SHARE |
57 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
58 	}, {
59 		/* List terminator */
60 		0,
61 	}
62 };
63 
64 struct mm_region *mem_map = versal_mem_map;
65 
66 u64 get_page_table_size(void)
67 {
68 	return 0x14000;
69 }
70 
71 #if defined(CONFIG_OF_BOARD)
72 void *board_fdt_blob_setup(void)
73 {
74 	static void *fw_dtb = (void *)CONFIG_VERSAL_OF_BOARD_DTB_ADDR;
75 
76 	if (fdt_magic(fw_dtb) != FDT_MAGIC) {
77 		printf("DTB is not passed via %llx\n", (u64)fw_dtb);
78 		return NULL;
79 	}
80 
81 	return fw_dtb;
82 }
83 #endif
84