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powerpc: fix 8xx and 82xx type-punning warnings with GCC 4.7

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C99's strict aliasing rules are insane to use in low-level code such as a
bootloader, but as Wolfgang has rejected -fno-strict-aliasing in the
past, add a union so that 16-bit accesses can be performed.

Compile-tested only.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Scott Wood 2013-05-17 20:01:54 -05:00 • committed by Wolfgang Denk
parent e1208c2fe5
commit a166fbca20
11 changed files with 39 additions and 23 deletions
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1
include/commproc.h
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@ -127,6 +127,7 @@ typedef struct cpm_buf_desc {
*/
#define PROFF_SCC1 ((uint)0x0000)
#define PROFF_IIC ((uint)0x0080)
#define PROFF_REVNUM ((uint)0x00b0)
#define PROFF_SCC2 ((uint)0x0100)
#define PROFF_SPI ((uint)0x0180)
#define PROFF_SCC3 ((uint)0x0200)