sh: Provide a 29/32-bit physical hint for bootloaders.

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Shoves a magic word in to the empty_zero_page section for the
bootloader to work out whether to start the kernel in 29-bit
or 32-bit mode.

[ Renesas CPUs already take care of the initial PMB mappings entirely
  in hardware and decide on 29-bit/32-bit physical depending on which
  pin powered up the CPU, so this is mostly for ST parts. -- PFM ].

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

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Stuart Menefy 2007-11-26 21:29:09 +09:00 • committed by Paul Mundt

parent 80a68a43d9

commit 7a2eacb759

1 changed files with 5 additions and 1 deletions

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arch/sh/kernel/head_32.S

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