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| author | Venkateswara Rao Mandela <venkat.mandela@ti.com> | 2015-12-01 15:39:57 +0530 |
|---|---|---|
| committer | Praneeth Bajjuri <praneeth@ti.com> | 2016-11-16 16:53:24 -0600 |
| commit | d7aadd1914c7e6c5e7b196c5b30dadd73f249f91 (patch) | |
| tree | bb48a0a2b0bd6369648befdf6e73949d1af43bda | |
| parent | 36b065ab436b69403f7666b02f02aff4d8979281 (diff) | |
| download | jacinto6evm-d7aadd1914c7e6c5e7b196c5b30dadd73f249f91.tar.gz | |
arm: omap: sram: disable memclear in SRAM
Not clearing SRAM saves ~80 ms out of the 600 ms spent in kernel
initialization.
TODO: determine impact on suspend to ram usecases.
Change-Id: Ic77c066a4052ba0999083222b057f6692fbb171a
Signed-off-by: Venkateswara Rao Mandela <venkat.mandela@ti.com>
| -rw-r--r-- | arch/arm/plat-omap/sram.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index a5bc92d7e476..7de9acf0f726 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -89,10 +89,12 @@ void __init omap_map_sram(unsigned long start, unsigned long size, omap_sram_reset(); + #if 0 /* * Looks like we need to preserve some bootloader code at the * beginning of SRAM for jumping to flash for reboot to work... */ memset_io(omap_sram_base + omap_sram_skip, 0, omap_sram_size - omap_sram_skip); + #endif } |