1 | /*␊ |
2 | * platform.c␊ |
3 | *␊ |
4 | * AsereBLN: cleanup␊ |
5 | */␊ |
6 | ␊ |
7 | #include "libsaio.h"␊ |
8 | #include "boot.h"␊ |
9 | #include "bootstruct.h"␊ |
10 | #include "pci.h"␊ |
11 | #include "platform.h"␊ |
12 | #include "cpu.h"␊ |
13 | #include "spd.h"␊ |
14 | #include "dram_controllers.h"␊ |
15 | ␊ |
16 | #ifndef DEBUG_PLATFORM␊ |
17 | #define DEBUG_PLATFORM 0␊ |
18 | #endif␊ |
19 | ␊ |
20 | #if DEBUG_PLATFORM␊ |
21 | #define DBG(x...)␉verbose(x)␊ |
22 | #else␊ |
23 | #define DBG(x...)␊ |
24 | #endif␊ |
25 | ␊ |
26 | PlatformInfo_t* Platform;␊ |
27 | pci_dt_t * dram_controller_dev = NULL;␊ |
28 | ␊ |
29 | /** Return if a CPU feature specified by feature is activated (true) or not (false) */␊ |
30 | inline bool platformCPUFeature(uint32_t feature)␊ |
31 | {␊ |
32 | ␉return (Platform->CPU.Features & feature);␊ |
33 | }␊ |
34 | ␊ |
35 | /** scan mem for memory autodection purpose */␊ |
36 | void scan_mem() {␊ |
37 | static bool done = false;␊ |
38 | if (done) return;␊ |
39 | ␊ |
40 | ␉/* our code only works on Intel chipsets so make sure here */␊ |
41 | ␉if (pci_config_read16(PCIADDR(0, 0x00, 0), 0x00) != 0x8086)␊ |
42 | ␉␉bootInfo->memDetect = false;␊ |
43 | else␊ |
44 | ␉␉bootInfo->memDetect = true;␊ |
45 | ␉/* manually */␊ |
46 | getBoolForKey(kUseMemDetect, &bootInfo->memDetect, &bootInfo->chameleonConfig);␊ |
47 | ␊ |
48 | if (bootInfo->memDetect) {␊ |
49 | ␉␉if (dram_controller_dev != NULL) {␊ |
50 | ␉␉␉scan_dram_controller(dram_controller_dev); // Rek: pci dev ram controller direct and fully informative scan ...␊ |
51 | ␉␉}␊ |
52 | scan_spd(Platform);␊ |
53 | }␊ |
54 | done = true;␊ |
55 | }␊ |
56 | ␊ |
57 | /** ␊ |
58 | Scan platform hardware information, called by the main entry point (common_boot() ) ␊ |
59 | _before_ bootConfig xml parsing settings are loaded␊ |
60 | */␊ |
61 | void scan_platform(void)␊ |
62 | {␊ |
63 | ␉Platform = malloc(sizeof(PlatformInfo_t));␊ |
64 | ␉memset(Platform, 0, sizeof(PlatformInfo_t));␊ |
65 | ␉gPlatform = (void*)Platform;␊ |
66 | //␉BootOrder = malloc(sizeof(BLESS_EFI_LOAD_OPTION));␊ |
67 | //␉memset(BootOrder, 0, sizeof(BLESS_EFI_LOAD_OPTION));␊ |
68 | //␉gBootOrder = (void*)BootOrder;␊ |
69 | ␉␊ |
70 | ␉build_pci_dt();␊ |
71 | ␉//verbose("1:Platform=%x root_pci=%x\n", gPlatform, gRootPCIDev);␊ |
72 | ␉scan_cpu(Platform);␊ |
73 | ␉//scan_mem(); Rek: called after pci devs init in fake_efi now ...␊ |
74 | }␊ |
75 | |