diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/leon3/startup/cpucounter.c')
-rw-r--r-- | c/src/lib/libbsp/sparc/leon3/startup/cpucounter.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/startup/cpucounter.c b/c/src/lib/libbsp/sparc/leon3/startup/cpucounter.c deleted file mode 100644 index 87554ce550..0000000000 --- a/c/src/lib/libbsp/sparc/leon3/startup/cpucounter.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved. - * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#include <leon.h> - -#include <rtems/counter.h> -#include <rtems/sysinit.h> -#include <rtems/score/sparcimpl.h> - -static void leon3_counter_initialize(void) -{ - volatile struct irqmp_timestamp_regs *irqmp_ts; - volatile struct gptimer_regs *gpt; - unsigned int freq; - - irqmp_ts = &LEON3_IrqCtrl_Regs->timestamp[0]; - gpt = LEON3_Timer_Regs; - - leon3_up_counter_enable(); - - if (leon3_up_counter_is_available()) { - /* Use the LEON4 up-counter if available */ - - _SPARC_Counter_initialize( - _SPARC_Counter_read_asr23, - _SPARC_Counter_difference_normal, - NULL - ); - - freq = leon3_up_counter_frequency(); - rtems_counter_initialize_converter(freq); - } else if (leon3_irqmp_has_timestamp(irqmp_ts)) { - /* Use the interrupt controller timestamp counter if available */ - - /* Enable interrupt timestamping for an arbitrary interrupt line */ - irqmp_ts->control = 0x1; - - _SPARC_Counter_initialize( - _SPARC_Counter_read_address, - _SPARC_Counter_difference_normal, - (volatile const uint32_t *) &irqmp_ts->counter - ); - - freq = ambapp_freq_get(&ambapp_plb, LEON3_IrqCtrl_Adev); - rtems_counter_initialize_converter(freq); - } else if (gpt != NULL) { - /* Fall back to the first GPTIMER if available */ - - /* Enable timer just in case no clock driver is configured */ - gpt->timer[LEON3_CLOCK_INDEX].ctrl |= GPTIMER_TIMER_CTRL_EN; - - _SPARC_Counter_initialize( - _SPARC_Counter_read_address, - _SPARC_Counter_difference_clock_period, - (volatile const uint32_t *) &gpt->timer[LEON3_CLOCK_INDEX].value - ); - - freq = ambapp_freq_get(&ambapp_plb, LEON3_Timer_Adev); - rtems_counter_initialize_converter(freq / (gpt->scaler_reload - 1)); - } -} - -RTEMS_SYSINIT_ITEM( - leon3_counter_initialize, - RTEMS_SYSINIT_BSP_START, - RTEMS_SYSINIT_ORDER_THIRD -); - -SPARC_COUNTER_DEFINITION; |