1 /* 2 * PROJECT: ReactOS Boot Loader 3 * LICENSE: BSD - See COPYING.ARM in the top level directory 4 * FILE: boot/armllb/hw/omap3-zoom2/hwinit.c 5 * PURPOSE: LLB UART Initialization Routines for OMAP3 ZOOM2 6 * PROGRAMMERS: ReactOS Portable Systems Group 7 */ 8 9 #include "precomp.h" 10 11 // 12 // OMAP3 Memory Map 13 // 14 // 0x00000000 - 0x3FFFFFFF GPMC [ 1 GB] 15 // 0x40000000 - 0x47FFFFFF On-Chip Memory (ROM/SRAM Address Space) [128 MB] 16 // 0x48000000 - 0x4FFFFFFF L4 Interconnects (All system peripherals)[128 MB] 17 // 0x50000000 - 0x53FFFFFF SGX Graphics Accelerator Slave Port [ 64 MB] 18 // 0x54000000 - 0x57FFFFFF L4 Emulation [128 MB] 19 // 0x58000000 - 0x58FFFFFF Reserved [ 64 MB] 20 // 0x5C000000 - 0x5FFFFFFF IVA2.2 Subsystem [ 64 MB] 21 // 0x60000000 - 0x67FFFFFF Reserved [128 MB] 22 // 0x68000000 - 0x6FFFFFFF L3 Interconnect (Control Registers) [128 MB] 23 // 0x70000000 - 0x7FFFFFFF SDRC/SMS Virtual Address Space 0 [256 MB] 24 // 0x80000000 - 0x9FFFFFFF SDRC/SMS CS0 SDRAM [512 MB] 25 // 0x80000000 - 0x80FFFFFF KERNEL, HAL, BOOT DRIVERS [ 16 MB] 26 // THIS IS THE x86-STYLE "LOW 1MB" THAT IS IDENTITY MAPPED 27 // 0x81000000 - 0x8100FFFF ARM LLB [ 64 KB] 28 // 0x81010000 - 0x81013FFF ARM BOOT STACK [ 16 KB] 29 // 0x81014000 - 0x81073FFF ARM FRAMEBUFFER [384 KB] 30 // 0x81070000 - 0x81093FFF ARM OS LOADER [128 KB] 31 // 0x81094000 - 0x810FFFFF RESERVED FOR BOOT LOADER EXPANSION [432 KB] 32 // END OF THE x86-STYLE "LOW 1MB" THAT IS IDENTITY MAPPED 33 // 0x81100000 - 0x8FFFFFFF FREE RAM [ 15 MB] 34 // 0x82000000 - 0x83FFFFFF ARM RAMDISK [ 32 MB] 35 // 0x84000000 - 0x8FFFFFFF FREE RAM [192 MB] 36 // 0x90000000 - 0x9FFFFFFF FREE RAM IF > 256MB INSTALLED [256 MB] 37 // 0xA0000000 - 0xBFFFFFFF SDRC/SMS CS1 SDRAM [512 MB] 38 // 0xA0000000 - 0xAFFFFFFF FREE RAM IF > 512MB INSTALLED [256 MB] 39 // 0xB0000000 - 0xBFFFFFFF FREE RAM IF > 768MB INSTALLED [256 MB] 40 // 0xC0000000 - 0xDFFFFFFF Reserved [512 MB] 41 // 0xE0000000 - 0xFFFFFFFF SDRC/SMS Virtual Address Space 1 [512 MB] 42 BIOS_MEMORY_MAP LlbHwOmap3MemoryMap[] = 43 { 44 {0x00000000, 0x80000000, BiosMemoryReserved, 0}, /* Device Registers */ 45 {0x80000000, 0x01000000, BiosMemoryUsable, 0}, /* 16 MB RAM for Kernel map */ 46 {0x81000000, 0x00010000, BiosMemoryBootLoader, 0}, /* Arm LLB */ 47 {0x81010000, 0x00004000, BiosMemoryBootStrap, 0}, // LLB Stack 48 {0x81014000, 0x00060000, BiosMemoryBootLoader, 0}, /* Kernel Framebuffer */ 49 {0x81070000, 0x00020000, BiosMemoryBootStrap, 0}, /* ARM OS Loader */ 50 {0x81094000, 0x0006C000, BiosMemoryBootStrap, 0}, /* ARM OS Loader Expansion */ 51 {0x81100000, 0x00F00000, BiosMemoryUsable, 0}, /* 15 MB Free RAM */ 52 {0x82000000, 0x02000000, BiosMemoryBootStrap, 0}, /* 32MB RAMDISK */ 53 {0x84000000, 0x0C000000, BiosMemoryUsable, 0}, /* 192 MB Free RAM */ 54 {0x90000000, 0x70000000, BiosMemoryReserved, 0}, 55 {0, 0, 0, 0} 56 }; 57 58 VOID 59 NTAPI 60 LlbHwBuildMemoryMap(IN PBIOS_MEMORY_MAP MemoryMap) 61 { 62 PBIOS_MEMORY_MAP MapEntry; 63 ULONG Base, Size, FsBase, FsSize; 64 65 /* Parse hardware memory map */ 66 MapEntry = LlbHwOmap3MemoryMap; 67 while (MapEntry->Length) 68 { 69 /* Add this entry */ 70 LlbAllocateMemoryEntry(MapEntry->Type, MapEntry->BaseAddress, MapEntry->Length); 71 72 /* Move to the next one */ 73 MapEntry++; 74 } 75 76 /* Query memory and RAMDISK information */ 77 LlbEnvGetMemoryInformation(&Base, &Size); 78 LlbEnvGetRamDiskInformation(&FsBase, &FsSize); 79 if (!FsSize) return; 80 #ifdef _BEAGLE_ 81 /* Add-in the size of the ramdisk */ 82 Base = FsBase + FsSize; 83 84 /* Subtract size of ramdisk and anything else before it */ 85 Size -= Base; 86 87 /* Allocate an entry for it */ 88 LlbAllocateMemoryEntry(BiosMemoryUsable, Base, Size); 89 #endif 90 } 91 92 VOID 93 NTAPI 94 LlbHwInitialize(VOID) 95 { 96 /* Setup the UART (NS16550) */ 97 LlbHwOmap3UartInitialize(); 98 99 /* Setup the NEC WVGA LCD Panel and the Display Controller */ 100 LlbHwOmap3LcdInitialize(); 101 102 /* Setup the keyboard */ 103 LlbHwOmap3SynKpdInitialize(); 104 } 105 106 /* EOF */ 107