reactos/boot/freeldr/freeldr/arch/arm/macharm.c

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            boot/freeldr/arch/arm/marcharm.c
   5  * PURPOSE:         Implements ARM-specific machine initialization
   6  * PROGRAMMERS:     alex@winsiderss.com
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include <freeldr.h>
  12
  13 /* GLOBALS ********************************************************************/
  14
  15 //
  16 // The only things we support
  17 //
  18 typedef enum _ARM_BOARD_TYPE
  19 {
  20     //
  21     // Marvell Feroceon-based SoC:
  22     // Buffalo Linkstation, KuroBox Pro, D-Link DS323 and others
  23     //
  24     ARM_FEROCEON = 1,
  25 } ARM_BOARD_TYPE;
  26
  27 //
  28 // Compatible boot-loaders should return us this information
  29 //
  30 #define ARM_BOARD_CONFIGURATION_MAJOR_VERSION 1
  31 #define ARM_BOARD_CONFIGURATION_MINOR_VERSION 1
  32 typedef struct _ARM_BOARD_CONFIGURATION_BLOCK
  33 {
  34     ULONG MajorVersion;
  35     ULONG MinorVersion;
  36     ARM_BOARD_TYPE BoardType;
  37     ULONG TimerRegisterBase;
  38     ULONG UartRegisterBase;
  39     PBIOS_MEMORY_MAP MemoryMap;
  40     CHAR CommandLine[256];
  41 } ARM_BOARD_CONFIGURATION_BLOCK, *PARM_BOARD_CONFIGURATION_BLOCK;
  42
  43 /* FUNCTIONS ******************************************************************/
  44
  45 PARM_BOARD_CONFIGURATION_BLOCK ArmBoardBlock;
  46
  47 VOID
  48 ArmInit(IN PARM_BOARD_CONFIGURATION_BLOCK BootContext)
  49 {
  50     //
  51     // Remember the pointer
  52     //
  53     ArmBoardBlock = BootContext;
  54
  55     //
  56     // Let's make sure we understand the boot-loader
  57     //
  58     ASSERT(ArmBoardBlock->MajorVersion == ARM_BOARD_CONFIGURATION_MAJOR_VERSION);
  59     ASSERT(ArmBoardBlock->MinorVersion == ARM_BOARD_CONFIGURATION_MINOR_VERSION);
  60
  61     //
  62     // This should probably go away once we support more boards
  63     //
  64     ASSERT(ArmBoardBlock->BoardType == ARM_FEROCEON);
  65
  66     //
  67     // Call FreeLDR's portable entrypoint with our command-line
  68     //
  69     BootMain(ArmBoardBlock->CommandLine);
  70 }
  71