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
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
[] =
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},
60 LlbHwBuildMemoryMap(IN PBIOS_MEMORY_MAP MemoryMap
)
62 PBIOS_MEMORY_MAP MapEntry
;
63 ULONG Base
, Size
, FsBase
, FsSize
;
65 /* Parse hardware memory map */
66 MapEntry
= LlbHwOmap3MemoryMap
;
67 while (MapEntry
->Length
)
70 LlbAllocateMemoryEntry(MapEntry
->Type
, MapEntry
->BaseAddress
, MapEntry
->Length
);
72 /* Move to the next one */
76 /* Query memory and RAMDISK information */
77 LlbEnvGetMemoryInformation(&Base
, &Size
);
78 LlbEnvGetRamDiskInformation(&FsBase
, &FsSize
);
81 /* Add-in the size of the ramdisk */
82 Base
= FsBase
+ FsSize
;
84 /* Subtract size of ramdisk and anything else before it */
87 /* Allocate an entry for it */
88 LlbAllocateMemoryEntry(BiosMemoryUsable
, Base
, Size
);
96 /* Setup the UART (NS16550) */
97 LlbHwOmap3UartInitialize();
99 /* Setup the NEC WVGA LCD Panel and the Display Controller */
100 LlbHwOmap3LcdInitialize();
102 /* Setup the keyboard */
103 LlbHwOmap3SynKpdInitialize();