Neo FreeRunner Memory Mapping
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DolfjeBot1 (Talk | contribs) m (GTA02 Memory Mapping moved to Neo FreeRunner Memory Mapping) |
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| − | + | The first block holds a little 4KByte RAM buffer that is auto-filled | |
| + | from NAND by CPU hardware, called "steppingstone" when we boot from | ||
| + | NAND, or the NOR is mapped in there. | ||
nCS0: 00000000 07FFFFFF 4K steppingstone or NOR (Aux held down) <br> | nCS0: 00000000 07FFFFFF 4K steppingstone or NOR (Aux held down) <br> | ||
Revision as of 20:06, 25 August 2008
The first block holds a little 4KByte RAM buffer that is auto-filled from NAND by CPU hardware, called "steppingstone" when we boot from NAND, or the NOR is mapped in there.
nCS0: 00000000 07FFFFFF 4K steppingstone or NOR (Aux held down)
nCS1: 08000000 0FFFFFFF Glamo
nCS2: 10000000 17FFFFFF nothing mapped
nCS3: 18000000 1FFFFFFF NOR
nCS4: 20000000 17FFFFFF nothing mapped
nCS5: 28000000 2FFFFFFF nothing mapped
nCS6: 30000000 37FFFFFF on-MCP SDRAM 128MB
nCS7: 38000000 3FFFFFFF external SDRAM 128MB
