diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/qoriq/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/startup/bspstart.c | 73 |
1 files changed, 58 insertions, 15 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/bspstart.c b/c/src/lib/libbsp/powerpc/qoriq/startup/bspstart.c index 7aba178806..58f930ee22 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/qoriq/startup/bspstart.c @@ -110,6 +110,63 @@ static void initialize_frequency_parameters(void) rtems_counter_initialize_converter(fdt32_to_cpu(*val_fdt)); } +#define MTIVPR(base) \ + __asm__ volatile ("mtivpr %0" : : "r" (base)) + +#define MTIVOR(vec, offset) \ + do { \ + __asm__ volatile ("mtspr " RTEMS_XSTRING(vec) ", %0" : : "r" (offset)); \ + offset += 16; \ + } while (0) + +void qoriq_initialize_exceptions(void *interrupt_stack_begin) +{ + uintptr_t addr; + + ppc_exc_initialize_interrupt_stack( + (uintptr_t) interrupt_stack_begin, + rtems_configuration_get_interrupt_stack_size() + ); + + addr = (uintptr_t) bsp_exc_vector_base; + MTIVPR(addr); + MTIVOR(BOOKE_IVOR0, addr); + MTIVOR(BOOKE_IVOR1, addr); + MTIVOR(BOOKE_IVOR2, addr); + MTIVOR(BOOKE_IVOR3, addr); + MTIVOR(BOOKE_IVOR4, addr); + MTIVOR(BOOKE_IVOR5, addr); + MTIVOR(BOOKE_IVOR6, addr); +#ifdef __PPC_CPU_E6500__ + MTIVOR(BOOKE_IVOR7, addr); +#endif + MTIVOR(BOOKE_IVOR8, addr); +#ifdef __PPC_CPU_E6500__ + MTIVOR(BOOKE_IVOR9, addr); +#endif + MTIVOR(BOOKE_IVOR10, addr); + MTIVOR(BOOKE_IVOR11, addr); + MTIVOR(BOOKE_IVOR12, addr); + MTIVOR(BOOKE_IVOR13, addr); + MTIVOR(BOOKE_IVOR14, addr); + MTIVOR(BOOKE_IVOR15, addr); + MTIVOR(BOOKE_IVOR32, addr); + MTIVOR(BOOKE_IVOR33, addr); +#ifndef __PPC_CPU_E6500__ + MTIVOR(BOOKE_IVOR34, addr); +#endif + MTIVOR(BOOKE_IVOR35, addr); +#ifdef __PPC_CPU_E6500__ + MTIVOR(BOOKE_IVOR36, addr); + MTIVOR(BOOKE_IVOR37, addr); + MTIVOR(BOOKE_IVOR38, addr); + MTIVOR(BOOKE_IVOR39, addr); + MTIVOR(BOOKE_IVOR40, addr); + MTIVOR(BOOKE_IVOR41, addr); + MTIVOR(BOOKE_IVOR42, addr); +#endif +} + void bsp_start(void) { unsigned long i = 0; @@ -140,21 +197,7 @@ void bsp_start(void) } } - /* Initialize exception handler */ - ppc_exc_initialize_with_vector_base( - (uintptr_t) bsp_section_work_begin, - rtems_configuration_get_interrupt_stack_size(), - bsp_exc_vector_base - ); - - /* Now it is possible to make the code execute only */ - qoriq_mmu_change_perm( - FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SX, - FSL_EIS_MAS3_SX, - FSL_EIS_MAS3_SR - ); - - /* Initalize interrupt support */ + qoriq_initialize_exceptions(bsp_section_work_begin); bsp_interrupt_initialize(); rtems_cache_coherent_add_area( |