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ARM: OMAP: Change set_pl310_ctrl_reg to be generic

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set_pl310_ctrl_reg does use the Secure Monitor Call (SMC) to setup
PL310 control register, however, that is something that is generic
enough to be used for OMAP5 generation of processors as well. The only
difference being the service being invoked for the function.

So, convert the service to a macro and use a generic name (same as
that used in Linux for some consistency). While at that, also add a
data barrier which is necessary as per recommendation.

While at this, smc #0 is maintained as handcoded assembly thanks to
various gcc version eccentricities, discussion thread:
http://marc.info/?t=142542166800001&r=1&w=2

Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Matt Porter <mporter@konsulko.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Nishanth Menon 2015-03-09 17:12:03 -05:00 • committed by Tom Rini
parent 9b4d65f918
commit 6d8abe6a8a
4 changed files with 18 additions and 10 deletions
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2
arch/arm/include/asm/omap_common.h
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@ -579,6 +579,8 @@ s8 abb_setup_ldovbb(u32 fuse, u32 ldovbb);
void usb_fake_mac_from_die_id(u32 *id);
void omap_smc1(u32 service, u32 val);
/* ABB */
#define OMAP_ABB_NOMINAL_OPP 0
#define OMAP_ABB_FAST_OPP 1