| 1 | /*␊ |
| 2 | * Memory Module␊ |
| 3 | * Scans the dram controller and(/or spd), and notifies OS X of the memory modules.␊ |
| 4 | *␉This was converted from boot2 code to a boot2 module.␊ |
| 5 | *␊ |
| 6 | */␊ |
| 7 | ␊ |
| 8 | //#include "mem.h" - reminder␊ |
| 9 | //#include "libsaio.h"␊ |
| 10 | #include "boot.h"␊ |
| 11 | #include "pci.h"␊ |
| 12 | #include "platform.h"␊ |
| 13 | #include "spd.h"␊ |
| 14 | #include "dram_controllers.h"␊ |
| 15 | #include "modules.h"␊ |
| 16 | ␊ |
| 17 | #define kUseMemDetectKey "UseMemDetect"␊ |
| 18 | ␊ |
| 19 | pci_dt_t *dram_controller_dev;␊ |
| 20 | ␊ |
| 21 | ␊ |
| 22 | void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4);␊ |
| 23 | void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4);␊ |
| 24 | ␊ |
| 25 | ␊ |
| 26 | void Memory_start()␊ |
| 27 | {␊ |
| 28 | ␉register_hook_callback("PCIDevice", &Memory_PCIDevice_hook);␊ |
| 29 | ␉register_hook_callback("ScanMemory", &Memory_hook);␊ |
| 30 | ␉␊ |
| 31 | }␊ |
| 32 | ␊ |
| 33 | void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4)␊ |
| 34 | {␊ |
| 35 | ␉pci_dt_t* current = arg1;␊ |
| 36 | ␉␊ |
| 37 | ␉if (current->class_id == PCI_CLASS_BRIDGE_HOST␊ |
| 38 | ␉␉&& (current->dev.addr == PCIADDR(0, 0, 0)))␊ |
| 39 | ␉{␊ |
| 40 | ␉␉dram_controller_dev = current;␊ |
| 41 | ␉}␊ |
| 42 | }␊ |
| 43 | ␊ |
| 44 | void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4)␊ |
| 45 | {␉␊ |
| 46 | ␉/* our code only works on Intel chipsets so make sure here */␊ |
| 47 | ␉if (pci_config_read16(PCIADDR(0, 0x00, 0), 0x00) != 0x8086)␊ |
| 48 | ␉␉bootInfo->memDetect = false;␊ |
| 49 | else␊ |
| 50 | ␉␉bootInfo->memDetect = true;␊ |
| 51 | ␉/* manually */␊ |
| 52 | getBoolForKey(kUseMemDetectKey, &bootInfo->memDetect, &bootInfo->bootConfig);␊ |
| 53 | ␊ |
| 54 | if (bootInfo->memDetect)␊ |
| 55 | ␉{␊ |
| 56 | ␉␉if (dram_controller_dev != NULL)␊ |
| 57 | ␉␉{␊ |
| 58 | ␉␉␉// Rek: pci dev ram controller direct and fully informative scan ...␊ |
| 59 | ␉␉␉scan_dram_controller(dram_controller_dev);␊ |
| 60 | ␉␉}␊ |
| 61 | ␉␉␊ |
| 62 | ␉␉//Azi: gone on Kabyl's smbios update - reminder␊ |
| 63 | ␉␉// unfortunately still necesary for some comp where spd cant read correct speed␊ |
| 64 | ␉␉//␉scan_memory(&Platform);␊ |
| 65 | ␉␉␊ |
| 66 | scan_spd(&Platform); // check Mek's implementation!␊ |
| 67 | }␊ |
| 68 | }␊ |
| 69 | |
