ReactOS  0.4.15-dev-2956-g61e7ea5
hwinit.c
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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]
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
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 */
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 */
89 #endif
90 }
91 
92 VOID
93 NTAPI
95 {
96  /* Setup the UART (NS16550) */
98 
99  /* Setup the NEC WVGA LCD Panel and the Display Controller */
101 
102  /* Setup the keyboard */
104 }
105 
106 /* EOF */
#define IN
Definition: typedefs.h:39
VOID NTAPI LlbHwOmap3UartInitialize(VOID)
Definition: hwuart.c:15
BIOS_MEMORY_MAP MemoryMap[32]
Definition: loader.c:11
_In_opt_ ULONG Base
Definition: rtlfuncs.h:2386
IN PVOID IN PVOID IN USHORT IN USHORT Size
Definition: pci.h:361
NTSTATUS(* NTAPI)(IN PFILE_FULL_EA_INFORMATION EaBuffer, IN ULONG EaLength, OUT PULONG ErrorOffset)
Definition: IoEaTest.cpp:117
VOID NTAPI LlbHwBuildMemoryMap(IN PBIOS_MEMORY_MAP MemoryMap)
Definition: hwinit.c:60
LONGLONG BaseAddress
Definition: osloader.h:33
VOID NTAPI LlbHwInitialize(VOID)
Definition: hwinit.c:13
BIOS_MEMORY_MAP LlbHwOmap3MemoryMap[]
Definition: hwinit.c:42
BOOLEAN NTAPI LlbEnvGetRamDiskInformation(IN PULONG Base, IN PULONG Size)
Definition: envir.c:107
VOID NTAPI LlbAllocateMemoryEntry(IN BIOS_MEMORY_TYPE Type, IN ULONG BaseAddress, IN ULONG Length)
Definition: loader.c:17
unsigned int ULONG
Definition: retypes.h:1
VOID NTAPI LlbHwOmap3SynKpdInitialize(VOID)
Definition: hwsynkp.c:15
LONGLONG Length
Definition: osloader.h:34
VOID NTAPI LlbEnvGetMemoryInformation(IN PULONG Base, IN PULONG Size)
Definition: envir.c:97
VOID NTAPI LlbHwOmap3LcdInitialize(VOID)
Definition: hwlcd.c:15