20
edits
Changes
Add info on cart power supply bits
|-
|-
| style="background: green" | Yes
| style="background: green" | Yes
| ?
| [[#CFG9_XDMA_CNT|CFG9_XDMA_CNT]]
| 0x10000008
| 0x10000008
| 1
| 1
|-
|-
| style="background: green" | Yes
| style="background: green" | Yes
| ?
| [[#CFG9_SDMMCCTL|CFG9_SDMMCCTL]]
| 0x10000020
| 0x10000020
| 2
| 2
|
| Process9
|-
|-
| style="background: green" | Yes
| style="background: green" | Yes
|-
|-
| 1
| 1
| Disables [[OTP_Registers|OTP area]] when set to 1. On N3DS, also enables access to the extra 128 MB of [[Memory_layout|FCRAM]]. Cannot be cleared to 0 once set to 1.
| Disables [[OTP_Registers|OTP area]] when set to 1. Cannot be cleared to 0 once set to 1.
| NewKernel9Loader, Process9
| NewKernel9Loader, Process9
|-
|-
|}
|}
== 0x10000008 ==
== CFG9_XDMA_CNT ==
Write 1 to enable XDMA for the device, 0 to disable. Always enabled for CTRCARD (ids 0 and 1), NTRCARD (id 8), and SHA (id 6 for infifo and 7 for outfifo).
{| class="wikitable" border="1"
{| class="wikitable" border="1"
! Bit
! Bit
! Used by
! Used by
|-
|-
| 1-0
| 0
| ?
| SDIO controller 1 (eMMC and usually SD card; XDMA device ID: 2)
|
|-
| 1
| SDIO controller 3 (SD card if configured so; ID: 3)
|
|
|-
|-
| 3-2
| 2
| AES related? Value 3 written after write to AES_CTL.
| AES Input FIFO (ID: 4)
| Boot9, Process9, TwlProcess9
|-
| 3
| AES Output FIFO (ID: 5)
| Boot9, Process9, TwlProcess9
| Boot9, Process9, TwlProcess9
|-
|-
|-
|-
| 8
| 8
| Enable gamecard eject IRQ, maybe?
| 1 = Switch to [[SPICARD_Registers|SPICARD]] interface (savegames).
| Process9
| Process9
|}
|}
|-
|-
| 3-2
| 3-2
| ?
| Cartridge-slot power supply (0=off, 1=prepare power regulator, 2=enable output, 3=request power down)
| Process9
|}
When the power supply is in the "request power down" state, the power bits will be reset to 0=off after some time.
== CFG9_SDMMCCTL ==
This register controls power of multiple ports/controllers and allows to map controller 3 to ARM9 or ARM11. The SD card can be accessed on ARM11 by setting bit 8 and clearing bit 9.
{| class="wikitable" border="1"
! Bit
! Description
! Used by
|-
| 0
| Controller 1/3 port 0 power (SD card) (1=off)
| Process9
|-
| 1
| Controller 1 port 1 power (eMMC) (1=off)
| Process9
|-
| 2
| Controller 2 port 0 power (WiFi SDIO) (1=off)
| Process9
|-
| 3
| Controller 3 port 1 power? Set at cold boot.
| -
|-
| 4-5
| Unused.
| -
|-
| 6
| Wifi port related? Pull up? Set at cold boot.
| -
|-
| 8
| Controller 3 mapping (0=ARM9 0x10007000, 1=ARM11 0x10100000)
| Process9
|-
| 9
| SD card controller select (0=0x10007000/0x10100000, 1=0x10006000)
| Process9
| Process9
|-
| 10-15
| Unused.
| -
|}
|}