Changes

Reverse-engineering has revealed that the GX2's MMIO registers (referred to as ''GpuF0MMReg'' in AMD's docs) are at 0x0c200000; mapped at 0xfc200000 in [[Cafe OS]] userspace. The other MMIO locations (''GpuF0Pcie'', ''VGA_IO'') are not known at this point.

Reverse-engineering has revealed that the GX2's MMIO registers (referred to as ''GpuF0MMReg'' in AMD's docs) are at 0x0c200000; mapped at 0xfc200000 in [[Cafe OS]] userspace. The other MMIO locations (''GpuF0Pcie'', ''VGA_IO'') are not known at this point.

*[https://developer.amd.com/wordpress/media/2012/10/42589_rv630_rrg_1.01o.pdf RV630 Register Reference Guide]

*[https://www.x.org/docs/AMD/old/42589_rv630_rrg_1.01o.pdf RV630 Register Reference Guide]

:Register guide for a similar, but not identical, card. Covers 2D graphics, CRTCs, the memory controller, etc. Does ''not'' cover 3D. This reference has been successfully used to set up a framebuffer without Cafe OS running.

:Register guide for a similar, but not identical, card. Covers 2D graphics, CRTCs, the memory controller, etc. Does ''not'' cover 3D. This reference has been successfully used to set up a framebuffer without Cafe OS running.

*[https://www.x.org/docs/AMD/old/R6xx_3D_Registers.pdf Radeon R6xx/R7xx 3D Register Reference Guide]

*[https://www.x.org/docs/AMD/old/R6xx_3D_Registers.pdf Radeon R6xx/R7xx 3D Register Reference Guide]