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mpc83xx: Add and use mpc83xx_reset()

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The inline version makes it possible to use this code in different
memory areas.
This commit is contained in:
Sebastian Huber
2013-03-11 17:54:34 +01:00
parent f88da30ee8
commit faad192675
2 changed files with 22 additions and 15 deletions
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18
c/src/lib/libbsp/powerpc/gen83xx/startup/bspreset.c
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@@ -14,21 +14,9 @@
#include <bsp.h> #include <bsp.h>
#include <bsp/bootcard.h> #include <bsp/bootcard.h>
#include <mpc83xx/mpc83xx.h>
void bsp_reset(void) void bsp_reset(void)
{ {
_ISR_Set_level( 0 ); mpc83xx_reset();
/* Set Reset Protection Register (RPR) to "RSTE" */
mpc83xx.res.rpr = 0x52535445;
/*
* Wait for Control Register Enabled in the
* Reset Control Enable Register (RCER).
*/
while (mpc83xx.res.rcer != 0x00000001) {
/* Wait */
}
/* Set Software Hard Reset in the Reset Control Register (RCR) */
mpc83xx.res.rcr = 0x00000002;
} }

19
c/src/lib/libcpu/powerpc/mpc83xx/include/mpc83xx.h
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@@ -820,6 +820,25 @@ typedef struct m83xxRegisters_ {
extern m83xxRegisters_t mpc83xx; extern m83xxRegisters_t mpc83xx;
static inline void mpc83xx_reset(void)
{
_ISR_Set_level( 0 );
/* Set Reset Protection Register (RPR) to "RSTE" */
mpc83xx.res.rpr = 0x52535445;
/*
* Wait for Control Register Enabled in the
* Reset Control Enable Register (RCER).
*/
while (mpc83xx.res.rcer != 0x00000001) {
/* Wait */
}
/* Set Software Hard Reset in the Reset Control Register (RCR) */
mpc83xx.res.rcr = 0x00000002;
}
#endif /* !defined ASM */ #endif /* !defined ASM */
/* /*
* some definitions used in assembler startup * some definitions used in assembler startup