[rpi03] sd: don't use high speed mode if card initialisation keeps fa…

…iling

Signed-off-by: Simon Arlott <sa.me.uk>

bcm-bell: remove

Signed-off-by: Simon Arlott <sa.me.uk>

sdhci-of-bcm2708: disable the extension data FIFO if not using DMA

Signed-off-by: Simon Arlott <sa.me.uk>

[rpi03] sd: don't use high speed mode if card initialisation keeps fa…

…iling

Signed-off-by: Simon Arlott <sa.me.uk>

sdhci-of-bcm2708: fix compile failure

Signed-off-by: Simon Arlott <sa.me.uk>

[rpi03] amba-pl011: Don't send a character during startup

This causes a corrupted character to be sent and
there's no explanation for why it is required.

If it worked correctly it would send an extra 0x00
which isn't appropriate either.

Signed-off-by: Simon Arlott <sa.me.uk>

sdhci-of-bcm2708: update quirks

Signed-off-by: Simon Arlott <sa.me.uk>

[rpi03] amba-pl011: Don't send a character during startup

This causes a corrupted character to be sent and
there's no explanation for why it is required.

If it worked correctly it would send an extra 0x00
which isn't appropriate either.

Signed-off-by: Simon Arlott <sa.me.uk>

bcm-vc-power: use regulator subsystem

Signed-off-by: Simon Arlott <sa.me.uk>

bcm2708_dma: add enable note

Signed-off-by: Simon Arlott <sa.me.uk>