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→CFG9_SDMMCCTL: ARM11 SD card access hype.
== CFG9_SDMMCCTL ==
== 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 clearing bit 8 and 9.
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0
| 0
| SD slot power.
| Controller 1/3 port 0 power (SD card) (1=off)
| Process9
| Process9
|-
|-
| 1
| 1
| eMMC power? NAND init hangs if set.
| Controller 1 port 1 power (eMMC) (1=off)
| Process9
| Process9
|-
|-
| 2
| Controller 2 port 0 power (WiFi SDIO) (1=off)
| Process9
|-
| 3
| Controller 3 port 1 power? Set at cold boot.
| -
|-
|-
| 2-3
| 4-5
| Other power supplies?
| Unused.
| Process9
| -
|-
|-
| 6
| 6
| Never used by anything. Set at cold boot.
| Wifi port related? Pull up? Set at cold boot.
|
| -
|-
|-
| 8
| 8
| ? This bit seems to do nothing.
| Controller 3 mapping (0=ARM9 0x10007000, 1=ARM11 0x10100000)
| Process9
| Process9
|-
|-
| 9
| 9
| If not set force pulls all SD card lines high.
| SD card controller select (0=0x10007000/0x10100000, 1=0x10006000)
| Process9
| Process9
|-
| 10-15
| Unused.
| -
|}
|}