Changes

Jump to navigation Jump to search
8 bytes added ,  21:20, 1 June 2020
clarify vram clock
Line 318: Line 318:  
|-
 
|-
 
| 16
 
| 16
| Clock enable for all blocks. 1 = enable.
+
| Clock enable for all blocks and VRAM. 1 = enable.
 
|}
 
|}
 
Bit0: main (?) nRESET (active low), unset to reset (when not on reset, external GPU registers at 0x10400000+ are enabled).
 
Bit0: main (?) nRESET (active low), unset to reset (when not on reset, external GPU registers at 0x10400000+ are enabled).
Line 328: Line 328:  
Bit0: Enable VRAM clock in older models??
 
Bit0: Enable VRAM clock in older models??
   −
This registers seems to be unimplemented in released models: while it is used in tandem with PDN_GPU_CNT.bit16 in boot11 screeninit code, Kernel11 only uses PDN_GPU_CNT.bit16 to put VRAM in self-refresh mode.
+
This register seems to be unimplemented in released models: while it is used in tandem with PDN_GPU_CNT.bit16 in boot11 screeninit code, Kernel11 only uses PDN_GPU_CNT.bit16 to put VRAM in self-refresh mode.
    
==PDN_FCRAM_CNT==
 
==PDN_FCRAM_CNT==

Navigation menu