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https://github.com/reactos/reactos.git
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106 lines
4.4 KiB
C
106 lines
4.4 KiB
C
/*
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* PROJECT: ReactOS Boot Loader
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* FILE: boot/armllb/hw/omap3-zoom2/hwinit.c
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* PURPOSE: LLB UART Initialization Routines for OMAP3 ZOOM2
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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#include "precomp.h"
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//
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// OMAP3 Memory Map
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//
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// 0x00000000 - 0x3FFFFFFF GPMC [ 1 GB]
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// 0x40000000 - 0x47FFFFFF On-Chip Memory (ROM/SRAM Address Space) [128 MB]
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// 0x48000000 - 0x4FFFFFFF L4 Interconnects (All system peripherals)[128 MB]
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// 0x50000000 - 0x53FFFFFF SGX Graphics Accelerator Slave Port [ 64 MB]
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// 0x54000000 - 0x57FFFFFF L4 Emulation [128 MB]
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// 0x58000000 - 0x58FFFFFF Reserved [ 64 MB]
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// 0x5C000000 - 0x5FFFFFFF IVA2.2 Subsystem [ 64 MB]
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// 0x60000000 - 0x67FFFFFF Reserved [128 MB]
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// 0x68000000 - 0x6FFFFFFF L3 Interconnect (Control Registers) [128 MB]
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// 0x70000000 - 0x7FFFFFFF SDRC/SMS Virtual Address Space 0 [256 MB]
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// 0x80000000 - 0x9FFFFFFF SDRC/SMS CS0 SDRAM [512 MB]
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// 0x80000000 - 0x80FFFFFF KERNEL, HAL, BOOT DRIVERS [ 16 MB]
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// THIS IS THE x86-STYLE "LOW 1MB" THAT IS IDENTITY MAPPED
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// 0x81000000 - 0x8100FFFF ARM LLB [ 64 KB]
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// 0x81010000 - 0x81013FFF ARM BOOT STACK [ 16 KB]
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// 0x81014000 - 0x81073FFF ARM FRAMEBUFFER [384 KB]
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// 0x81070000 - 0x81093FFF ARM OS LOADER [128 KB]
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// 0x81094000 - 0x810FFFFF RESERVED FOR BOOT LOADER EXPANSION [432 KB]
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// END OF THE x86-STYLE "LOW 1MB" THAT IS IDENTITY MAPPED
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// 0x81100000 - 0x8FFFFFFF FREE RAM [ 15 MB]
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// 0x82000000 - 0x83FFFFFF ARM RAMDISK [ 32 MB]
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// 0x84000000 - 0x8FFFFFFF FREE RAM [192 MB]
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// 0x90000000 - 0x9FFFFFFF FREE RAM IF > 256MB INSTALLED [256 MB]
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// 0xA0000000 - 0xBFFFFFFF SDRC/SMS CS1 SDRAM [512 MB]
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// 0xA0000000 - 0xAFFFFFFF FREE RAM IF > 512MB INSTALLED [256 MB]
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// 0xB0000000 - 0xBFFFFFFF FREE RAM IF > 768MB INSTALLED [256 MB]
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// 0xC0000000 - 0xDFFFFFFF Reserved [512 MB]
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// 0xE0000000 - 0xFFFFFFFF SDRC/SMS Virtual Address Space 1 [512 MB]
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BIOS_MEMORY_MAP LlbHwOmap3MemoryMap[] =
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{
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{0x00000000, 0x80000000, BiosMemoryReserved, 0}, /* Device Registers */
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{0x80000000, 0x01000000, BiosMemoryUsable, 0}, /* 16 MB RAM for Kernel map */
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{0x81000000, 0x00010000, BiosMemoryBootLoader, 0}, /* Arm LLB */
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{0x81010000, 0x00004000, BiosMemoryBootStrap, 0}, // LLB Stack
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{0x81014000, 0x00060000, BiosMemoryBootLoader, 0}, /* Kernel Framebuffer */
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{0x81070000, 0x00020000, BiosMemoryBootStrap, 0}, /* ARM OS Loader */
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{0x81094000, 0x0006C000, BiosMemoryBootStrap, 0}, /* ARM OS Loader Expansion */
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{0x81100000, 0x00F00000, BiosMemoryUsable, 0}, /* 15 MB Free RAM */
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{0x82000000, 0x02000000, BiosMemoryBootStrap, 0}, /* 32MB RAMDISK */
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{0x84000000, 0x0C000000, BiosMemoryUsable, 0}, /* 192 MB Free RAM */
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{0x90000000, 0x70000000, BiosMemoryReserved, 0},
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{0, 0, 0, 0}
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};
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VOID
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NTAPI
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LlbHwBuildMemoryMap(IN PBIOS_MEMORY_MAP MemoryMap)
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{
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PBIOS_MEMORY_MAP MapEntry;
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ULONG Base, Size, FsBase, FsSize;
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/* Parse hardware memory map */
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MapEntry = LlbHwOmap3MemoryMap;
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while (MapEntry->Length)
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{
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/* Add this entry */
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LlbAllocateMemoryEntry(MapEntry->Type, MapEntry->BaseAddress, MapEntry->Length);
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/* Move to the next one */
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MapEntry++;
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}
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/* Query memory and RAMDISK information */
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LlbEnvGetMemoryInformation(&Base, &Size);
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LlbEnvGetRamDiskInformation(&FsBase, &FsSize);
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if (!FsSize) return;
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#ifdef _BEAGLE_
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/* Add-in the size of the ramdisk */
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Base = FsBase + FsSize;
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/* Subtract size of ramdisk and anything else before it */
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Size -= Base;
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/* Allocate an entry for it */
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LlbAllocateMemoryEntry(BiosMemoryUsable, Base, Size);
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#endif
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}
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VOID
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NTAPI
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LlbHwInitialize(VOID)
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{
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/* Setup the UART (NS16550) */
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LlbHwOmap3UartInitialize();
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/* Setup the NEC WVGA LCD Panel and the Display Controller */
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LlbHwOmap3LcdInitialize();
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/* Setup the keyboard */
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LlbHwOmap3SynKpdInitialize();
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}
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/* EOF */
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