boot/armllb/hw/versatile/hwinit.c

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            boot/armllb/hw/versatile/hwinit.c
   5  * PURPOSE:         LLB Hardware Initialization Routines for Versatile
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 #include "precomp.h"
  10
  11 VOID
  12 NTAPI
  13 LlbHwInitialize(VOID)
  14 {
  15     /* Setup the CLCD (PL110) */
  16     LlbHwVersaClcdInitialize();
  17
  18     /* Setup the UART (PL011) */
  19     LlbHwVersaUartInitialize();
  20
  21     /* Setup the KMI (PL050) */
  22     LlbHwVersaKmiInitialize();
  23 }
  24
  25 //
  26 // Should go to hwdev.c
  27 //
  28 POSLOADER_INIT
  29 NTAPI
  30 LlbHwLoadOsLoaderFromRam(VOID)
  31 {
  32     ULONG Base, RootFs, Size;
  33     PCHAR Offset;
  34     CHAR CommandLine[64];
  35
  36     /* On versatile we load the RAMDISK with initrd */
  37     LlbEnvGetRamDiskInformation(&RootFs, &Size);
  38
  39     /* The OS Loader is at 0x20000, always */
  40     Base = 0x20000;
  41
  42     /* Read image offset */
  43     Offset = LlbEnvRead("rdoffset");
  44
  45     /* Set parameters for the OS loader */
  46     sprintf(CommandLine, "rdbase=0x%x rdsize=0x%x rdoffset=%s", RootFs, Size, Offset);
  47     LlbSetCommandLine(CommandLine);
  48
  49     /* Return the OS loader base address */
  50     return (POSLOADER_INIT)Base;
  51 }
  52
  53
  54 /* EOF */