| 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...)␉printf(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 | bool platformCPUFeature(uint32_t feature)␊ |
| 31 | {␊ |
| 32 | ␉if (Platform.CPU.Features & feature) {␊ |
| 33 | ␉␉return true;␊ |
| 34 | ␉} else {␊ |
| 35 | ␉␉return false;␊ |
| 36 | ␉}␊ |
| 37 | }␊ |
| 38 | ␊ |
| 39 | /** scan mem for memory autodection purpose */␊ |
| 40 | void scan_mem() {␊ |
| 41 | static bool done = false;␊ |
| 42 | if (done) return;␊ |
| 43 | ␊ |
| 44 | ␉/* our code only works on Intel chipsets so make sure here */␊ |
| 45 | ␉if (pci_config_read16(PCIADDR(0, 0x00, 0), 0x00) != 0x8086)␊ |
| 46 | ␉␉bootInfo->memDetect = false;␊ |
| 47 | else␊ |
| 48 | ␉␉bootInfo->memDetect = true;␊ |
| 49 | ␉/* manually */␊ |
| 50 | getBoolForKey(kUseMemDetect, &bootInfo->memDetect, &bootInfo->chameleonConfig);␊ |
| 51 | ␊ |
| 52 | if (bootInfo->memDetect) {␊ |
| 53 | ␉␉if (dram_controller_dev != NULL) {␊ |
| 54 | ␉␉␉scan_dram_controller(dram_controller_dev); // Rek: pci dev ram controller direct and fully informative scan ...␊ |
| 55 | ␉␉}␊ |
| 56 | scan_spd(&Platform);␊ |
| 57 | }␊ |
| 58 | done = true;␊ |
| 59 | }␊ |
| 60 | ␊ |
| 61 | /** ␊ |
| 62 | Scan platform hardware information, called by the main entry point (common_boot() ) ␊ |
| 63 | _before_ bootConfig xml parsing settings are loaded␊ |
| 64 | */␊ |
| 65 | void scan_platform(void)␊ |
| 66 | {␊ |
| 67 | ␉memset(&Platform, 0, sizeof(Platform));␊ |
| 68 | ␉build_pci_dt();␊ |
| 69 | ␉scan_cpu(&Platform);␊ |
| 70 | ␉//scan_mem(); Rek: called after pci devs init in fake_efi now ...␊ |
| 71 | }␊ |
| 72 | |
