blob: 2bbf28589aec4b45a4cac021a899c513be3e39a9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/memmap.h>
#include <amdblocks/iomap.h>
#include <amdblocks/root_complex.h>
#include <device/device.h>
#include <stdint.h>
/*
* +--------------------------------+
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* reserved_dram_end +--------------------------------+
* | |
* | verstage (if reqd) |
* | (VERSTAGE_SIZE) |
* +--------------------------------+ VERSTAGE_ADDR
* | |
* | FSP-M |
* | (FSP_M_SIZE) |
* +--------------------------------+ FSP_M_ADDR
* | romstage |
* | (ROMSTAGE_SIZE) |
* +--------------------------------+ ROMSTAGE_ADDR = BOOTBLOCK_END
* | | X86_RESET_VECTOR = BOOTBLOCK_END - 0x10
* | bootblock |
* | (C_ENV_BOOTBLOCK_SIZE) |
* +--------------------------------+ BOOTBLOCK_ADDR = BOOTBLOCK_END - C_ENV_BOOTBLOCK_SIZE
* | Unused hole |
* | (86KiB) |
* +--------------------------------+
* | FMAP cache (FMAP_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE + PRERAM_CBMEM_CONSOLE_SIZE + 0x200
* | Early Timestamp region (512B) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE + PRERAM_CBMEM_CONSOLE_SIZE
* | Preram CBMEM console |
* | (PRERAM_CBMEM_CONSOLE_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE
* | PSP shared (vboot workbuf) |
* | (PSP_SHAREDMEM_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE
* | APOB (64KiB) |
* +--------------------------------+ PSP_APOB_DRAM_ADDRESS
* | Early BSP stack |
* | (EARLYRAM_BSP_STACK_SIZE) |
* reserved_dram_start +--------------------------------+ EARLY_RESERVED_DRAM_BASE
* | DRAM |
* +--------------------------------+ 0x100000
* | Option ROM |
* +--------------------------------+ 0xc0000
* | Legacy VGA |
* +--------------------------------+ 0xa0000
* | DRAM |
* +--------------------------------+ 0x0
*/
void read_soc_memmap_resources(struct device *dev, unsigned long *idx)
{
read_lower_soc_memmap_resources(dev, idx);
/* Reserve fixed IOMMU MMIO region */
mmio_range(dev, (*idx)++, IOMMU_RESERVED_MMIO_BASE, IOMMU_RESERVED_MMIO_SIZE);
read_fsp_resources(dev, idx);
}
|