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arm: cmsis: Remove unused code from scb/scs layers

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In preperation for removing the scb/scs layers and using CMSIS directly
lets remove all the _Scb* and _Scs* functions that are not currently
used.

Jira: ZEP-1568

Change-Id: If4641fb9a6de616b4b8793d4678aaaed48e794bc
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2017-01-12 12:00:36 -06:00
commit 375a0ef393
3 changed files with 0 additions and 722 deletions
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50
arch/arm/core/cortex_m/scb.c
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@ -79,53 +79,3 @@ void sys_arch_reboot(int type)
ARG_UNUSED(type);
DO_REBOOT();
}
#if defined(CONFIG_ARMV6_M)
#elif defined(CONFIG_ARMV7_M)
/**
*
* @brief Set the number of priority groups based on the number of exception
* priorities desired
*
* Exception priorities can be divided in priority groups, inside which there is
* no preemption. The priorities inside a group are only used to decide which
* exception will run when more than one is ready to be handled.
*
* The number of priorities has to be a power of two, from 1 to 128.
*
* @param n the number of priorities
*
* @return N/A
*/
void _ScbNumPriGroupSet(unsigned int n)
{
unsigned int set;
union __aircr reg;
__ASSERT(is_power_of_two(n) && (n <= 128),
"invalid number of priorities");
set = find_lsb_set(n);
reg.val = __scs.scb.aircr.val;
/* num pri bit set prigroup
* ---------------------------------
* 1 1 7
* 2 2 6
* 4 3 5
* 8 4 4
* 16 5 3
* 32 6 2
* 64 7 1
* 128 8 0
*/
reg.bit.prigroup = 8 - set;
reg.bit.vectkey = SCB_AIRCR_VECTKEY_EN_W;
__scs.scb.aircr.val = reg.val;
}
#else
#error Unknown ARM architecture
#endif /* CONFIG_ARMV6_M */