blob: 280bedcd7752031b0108a965d920481a2624b49e (
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
#include <device/device.h>
#include <device/pci.h>
#include <intelblocks/cpulib.h>
#include <soc/cpu.h>
#include <soc/pci_devs.h>
#include <soc/soc_util.h>
#include <soc/util.h>
#include <stdlib.h>
#include <string.h>
const struct SystemMemoryMapHob *get_system_memory_map(void)
{
size_t hob_size;
const uint8_t mem_hob_guid[16] = FSP_SYSTEM_MEMORYMAP_HOB_GUID;
const struct SystemMemoryMapHob **memmap_addr;
memmap_addr = (const struct SystemMemoryMapHob **)
fsp_find_extension_hob_by_guid(mem_hob_guid, &hob_size);
/* hob_size is the size of the 8-byte address not the hob data */
assert(memmap_addr != NULL && hob_size != 0);
/* assert the pointer to the hob is not NULL */
assert(*memmap_addr != NULL);
return *memmap_addr;
}
bool is_iio_stack_res(const STACK_RES *res)
{
return res->Personality == TYPE_UBOX_IIO;
}
uint32_t get_socket_stack_busno(uint32_t socket, uint32_t stack)
{
const IIO_UDS *hob = get_iio_uds();
assert(socket < hob->SystemStatus.numCpus && stack < MAX_LOGIC_IIO_STACK);
return hob->PlatformData.IIO_resource[socket].StackRes[stack].BusBase;
}
/*
* EX: CPX-SP
* Ports Stack Stack(HOB) IioConfigIou
* ==========================================
* 0 CSTACK stack 0 IOU0
* 1A..1D PSTACKZ stack 1 IOU1
* 2A..2D PSTACK1 stack 2 IOU2
* 3A..3D PSTACK2 stack 4 IOU3
*/
int soc_get_stack_for_port(int port)
{
if (port == PORT_0)
return CSTACK;
else if (port >= PORT_1A && port <= PORT_1D)
return PSTACK0;
else if (port >= PORT_2A && port <= PORT_2D)
return PSTACK1;
else if (port >= PORT_3A && port <= PORT_3D)
return PSTACK2;
else
return -1;
}
uint8_t soc_get_iio_ioapicid(int socket, int stack)
{
uint8_t ioapic_id = socket ? 0xf : 0x9;
switch (stack) {
case CSTACK:
break;
case PSTACK0:
ioapic_id += 1;
break;
case PSTACK1:
ioapic_id += 2;
break;
case PSTACK2:
ioapic_id += 3;
break;
default:
return 0xff;
}
return ioapic_id;
}
|