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ARM: 6985/1: export functions to determine the presence of I/DTCM

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By allowing code to detect whether DTCM or ITCM is present, code paths
involving TCM can be avoided when running on platforms that lack it.
This is good for creating single kernels across several archs, if some
of them utilize TCM but others don't.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Linus Walleij
2011-07-01 08:23:36 +01:00
committed by Russell King
parent 9715efb8dc
commit 201043f227
2 changed files with 20 additions and 3 deletions
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2
arch/arm/include/asm/tcm.h
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@@ -27,5 +27,7 @@
void *tcm_alloc(size_t len);
void tcm_free(void *addr, size_t len);
bool tcm_dtcm_present(void);
bool tcm_itcm_present(void);
#endif