boot/armllb/hw/omap3-zoom2/hwinit.c

   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 */