[ARMLLB]: Split up support between OMAP3 Beagle and ZOOM2.

[reactos.git] / reactos / boot / armllb / hw / omap3-zoom2 / hwinit.c

diff --git a/reactos/boot/armllb/hw/omap3-zoom2/hwinit.c b/reactos/boot/armllb/hw/omap3-zoom2/hwinit.c
new file mode 100755 (executable)
index 0000000..37749a6
--- /dev/null
+++ b/reactos/boot/armllb/hw/omap3-zoom2/hwinit.c
@@ -0,0 +1,106 @@
+/*
+ * PROJECT:         ReactOS Boot Loader
+ * LICENSE:         BSD - See COPYING.ARM in the top level directory
+ * FILE:            boot/armllb/hw/omap3-zoom2/hwinit.c
+ * PURPOSE:         LLB UART Initialization Routines for OMAP3 ZOOM2
+ * PROGRAMMERS:     ReactOS Portable Systems Group
+ */
+
+#include "precomp.h"
+
+//
+// OMAP3 Memory Map
+//
+// 0x00000000 - 0x3FFFFFFF GPMC                                     [  1 GB]
+// 0x40000000 - 0x47FFFFFF On-Chip Memory (ROM/SRAM Address Space)  [128 MB]
+// 0x48000000 - 0x4FFFFFFF L4 Interconnects (All system peripherals)[128 MB]
+// 0x50000000 - 0x53FFFFFF SGX Graphics Accelerator Slave Port      [ 64 MB]
+// 0x54000000 - 0x57FFFFFF L4 Emulation                             [128 MB]
+// 0x58000000 - 0x58FFFFFF Reserved                                 [ 64 MB]
+// 0x5C000000 - 0x5FFFFFFF IVA2.2 Subsystem                         [ 64 MB]
+// 0x60000000 - 0x67FFFFFF Reserved                                 [128 MB]
+// 0x68000000 - 0x6FFFFFFF L3 Interconnect (Control Registers)      [128 MB]
+// 0x70000000 - 0x7FFFFFFF SDRC/SMS Virtual Address Space 0         [256 MB]
+// 0x80000000 - 0x9FFFFFFF SDRC/SMS CS0 SDRAM                       [512 MB]
+    // 0x80000000 - 0x80FFFFFF KERNEL, HAL, BOOT DRIVERS            [ 16 MB]
+// THIS IS THE x86-STYLE "LOW 1MB" THAT IS IDENTITY MAPPED
+    // 0x81000000 - 0x8100FFFF ARM LLB                              [ 64 KB]
+    // 0x81010000 - 0x81013FFF ARM BOOT STACK                       [ 16 KB]
+    // 0x81014000 - 0x81073FFF ARM FRAMEBUFFER                      [384 KB]
+    // 0x81070000 - 0x81093FFF ARM OS LOADER                        [128 KB]
+    // 0x81094000 - 0x810FFFFF RESERVED FOR BOOT LOADER EXPANSION   [432 KB]
+// END OF THE x86-STYLE "LOW 1MB" THAT IS IDENTITY MAPPED
+    // 0x81100000 - 0x8FFFFFFF FREE RAM                             [ 15 MB]
+    // 0x82000000 - 0x83FFFFFF ARM RAMDISK                          [ 32 MB]
+    // 0x84000000 - 0x8FFFFFFF FREE RAM                             [192 MB]
+    // 0x90000000 - 0x9FFFFFFF FREE RAM IF > 256MB INSTALLED        [256 MB]
+// 0xA0000000 - 0xBFFFFFFF SDRC/SMS CS1 SDRAM                       [512 MB]
+    // 0xA0000000 - 0xAFFFFFFF FREE RAM IF > 512MB INSTALLED        [256 MB]
+    // 0xB0000000 - 0xBFFFFFFF FREE RAM IF > 768MB INSTALLED        [256 MB]
+// 0xC0000000 - 0xDFFFFFFF Reserved                                 [512 MB]
+// 0xE0000000 - 0xFFFFFFFF SDRC/SMS Virtual Address Space 1         [512 MB]
+BIOS_MEMORY_MAP LlbHwOmap3MemoryMap[] =
+{
+    {0x00000000, 0x80000000, BiosMemoryReserved,   0}, /* Device Registers */
+    {0x80000000, 0x01000000, BiosMemoryUsable,     0}, /* 16 MB RAM for Kernel map */
+    {0x81000000, 0x00010000, BiosMemoryBootLoader, 0}, /* Arm LLB */
+    {0x81010000, 0x00004000, BiosMemoryBootStrap,  0}, // LLB Stack
+    {0x81014000, 0x00060000, BiosMemoryBootLoader, 0}, /* Kernel Framebuffer */
+    {0x81070000, 0x00020000, BiosMemoryBootStrap,  0}, /* ARM OS Loader */
+    {0x81094000, 0x0006C000, BiosMemoryBootStrap,  0}, /* ARM OS Loader Expansion */
+    {0x81100000, 0x00F00000, BiosMemoryUsable,     0}, /* 15 MB Free RAM */
+    {0x82000000, 0x02000000, BiosMemoryBootStrap,  0}, /* 32MB RAMDISK */
+    {0x84000000, 0x0C000000, BiosMemoryUsable,     0}, /* 192 MB Free RAM */
+    {0x90000000, 0x70000000, BiosMemoryReserved,   0},
+    {0, 0, 0, 0}
+};
+
+VOID
+NTAPI
+LlbHwBuildMemoryMap(IN PBIOS_MEMORY_MAP MemoryMap)
+{
+    PBIOS_MEMORY_MAP MapEntry;
+    ULONG Base, Size, FsBase, FsSize;
+    
+    /* Parse hardware memory map */
+    MapEntry = LlbHwOmap3MemoryMap;
+    while (MapEntry->Length)
+    {
+        /* Add this entry */
+        LlbAllocateMemoryEntry(MapEntry->Type, MapEntry->BaseAddress, MapEntry->Length);
+        
+        /* Move to the next one */
+        MapEntry++;
+    }
+    
+    /* Query memory and RAMDISK information */
+    LlbEnvGetMemoryInformation(&Base, &Size);
+    LlbEnvGetRamDiskInformation(&FsBase, &FsSize);
+    if (!FsSize) return;
+#ifdef _BEAGLE_
+    /* Add-in the size of the ramdisk */
+    Base = FsBase + FsSize;
+    
+    /* Subtract size of ramdisk and anything else before it */
+    Size -= Base;
+    
+    /* Allocate an entry for it */
+    LlbAllocateMemoryEntry(BiosMemoryUsable, Base, Size);
+#endif
+}
+
+VOID
+NTAPI
+LlbHwInitialize(VOID)
+{
+    /* Setup the UART (NS16550) */
+    LlbHwOmap3UartInitialize();
+    
+    /* Setup the NEC WVGA LCD Panel and the Display Controller */
+    LlbHwOmap3LcdInitialize();
+    
+    /* Setup the keyboard */
+    LlbHwOmap3SynKpdInitialize();
+}
+
+/* EOF */