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Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/m68k/uC5282/startup/init5282.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/uC5282/startup/init5282.c b/c/src/lib/libbsp/m68k/uC5282/startup/init5282.c new file mode 100644 index 0000000000..969e5f24a8 --- /dev/null +++ b/c/src/lib/libbsp/m68k/uC5282/startup/init5282.c @@ -0,0 +1,31 @@ +/* + * This is where the real hardware setup is done. A minimal stack + * has been provided by the start.S code. No normal C or RTEMS + * functions can be called from here. + * + * This routine is pretty simple for the uC5282 because all the hard + * work has been done by the bootstrap dBUG code. + */ + +#include <rtems.h> +#include <bsp.h> + +#define m68k_set_cacr(_cacr) asm volatile ("movec %0,%%cacr" : : "d" (_cacr)) +#define m68k_set_acr0(_acr0) asm volatile ("movec %0,%%acr0" : : "d" (_acr0)) +#define m68k_set_acr1(_acr1) asm volatile ("movec %0,%%acr1" : : "d" (_acr1)) +void *_ColdFire_VBR; + +void Init5282 (void) +{ + extern void CopyDataClearBSSAndStart (void); + + /* + * Set the VBR to point to where the assembly code copied it + */ + m68k_set_vbr(0); + + /* + * Copy data, clear BSS and call boot_card() + */ + CopyDataClearBSSAndStart (); +} |