Hi, Sorry, I have very basic question about PPC MMU setting. In "http://www.denx.de/wiki/PPCEmbedded/Kernel#BOOTLOADER";, chapter 10.2. Memory Map, I get the following information. "The bootloader is responsible for configuring the memory map before jumping to the Linux kernel."
Is anyone know what memory map should be done in bootloader? If I'm using ICE to load linux kernel, what kind of CPU registers need be configured first? Is IBAT/DBAT and Segment register need be set? I have set the following registers before loading kernel via ICE. Did I miss something else? (The target CPU is MPC8245) offset register ------- ----------------------------------- 0x0C Cache Line Size 0x04 PCI Command Register 0xA8 Processor interface configuration 1 0xAC Processor interface configuration 2 0x80 Memory starting address register1 0x84 Memory starting address register2 0x88 Extended memory starting addressregister1 0x8C Extended memory starting addressregister2 0x90 Memory ending address register1 0x94 Memory ending address register2 0x98 Extended memory ending address register1 0x9C Extended memory ending address register2 0xA0 Memory bank enable register 0xD0 Extended ROM configuration register 1 0xD4 Extended ROM configuration register 2 0xD8 Extended ROM configuration register 3 0xDC Extended ROM configuration register 4 0xF0 MCCR1 0xF4 MCCR2 0xF8 MCCR3 0xFC MCCR4 Would anyone give me some references about MMU setting?
