diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq_init.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq_init.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq_init.c b/c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq_init.c deleted file mode 100644 index d0a418b17d..0000000000 --- a/c/src/lib/libbsp/powerpc/mpc8260ads/irq/irq_init.c +++ /dev/null @@ -1,152 +0,0 @@ -/* irq_init.c - * - * This file contains the implementation of rtems initialization - * related to interrupt handling. - * - * CopyRight (C) 2001 valette@crf.canon.fr - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ -#include <bsp/irq.h> -#include <bsp.h> -#include <rtems/bspIo.h> -#include <libcpu/raw_exception.h> -/* -#include <bsp/8xx_immap.h> -#include <bsp/mbx.h> -#include <bsp/commproc.h> -*/ - -extern unsigned int external_exception_vector_prolog_code_size; -extern void external_exception_vector_prolog_code(void); -extern unsigned int decrementer_exception_vector_prolog_code_size; -extern void decrementer_exception_vector_prolog_code(void); - -extern void BSP_panic(char *s); -extern void _BSP_Fatal_error(unsigned int v); -/* -volatile unsigned int ppc_cached_irq_mask; -*/ - -/* - * default on/off function - */ -static void nop_func(void){} -/* - * default isOn function - */ -static int not_connected(void) {return 0;} -/* - * default possible isOn function - */ -static int connected(void) {return 1;} - -static rtems_irq_connect_data rtemsIrq[BSP_IRQ_NUMBER]; -static rtems_irq_global_settings initial_config; -static rtems_irq_connect_data defaultIrq = { - /* vectorIdex, hdl , handle , on , off , isOn */ - 0, nop_func , NULL , nop_func , nop_func , not_connected -}; - -/* - List the interrupts is their order of priority (highest first). - This does not have to be the same order as the siprr settings but - without knowing more about the application they are kept the same. -*/ - -static rtems_irq_prio irqPrioTable[BSP_CPM_IRQ_NUMBER]={ - /* - * actual priorities for interrupt : - */ - /* - * CPM Interrupts - */ - 0, 45, 63, 44, 66, 68, 35, 39, 50, 62, 34, 0, 30, 40, 52, 58, - 2, 3, 0, 5, 15, 16, 17, 18, 49, 51, 0, 0, 0, 0, 0, 0, - 6, 7, 8, 0, 11, 12, 0, 0, 20, 21, 22, 23, 0, 0, 0, 0, - 29, 31, 33, 37, 38, 41, 47, 48, 55, 56, 57, 60, 64, 65, 69, 70, - -}; - -/* - * Initialize CPM interrupt management - */ -void -BSP_CPM_irq_init(void) -{ - m8260.simr_l = 0; - m8260.simr_h = 0; - m8260.sipnr_l = 0xffffffff; - m8260.sipnr_h = 0xffffffff; - m8260.sicr = 0; - - /* - * Initialize the interrupt priorities. - */ - m8260.siprr = 0x05309770; /* reset value */ - m8260.scprr_h = 0x05309770; /* reset value */ - m8260.scprr_l = 0x05309770; /* reset value */ - -} - -void BSP_rtems_irq_mng_init(unsigned cpuId) -{ - rtems_raw_except_connect_data vectorDesc; - int i; - - BSP_CPM_irq_init(); - /* - * Initialize Rtems management interrupt table - */ - /* - * re-init the rtemsIrq table - */ - for (i = 0; i < BSP_IRQ_NUMBER; i++) { - rtemsIrq[i] = defaultIrq; - rtemsIrq[i].name = i; - } - /* - * Init initial Interrupt management config - */ - initial_config.irqNb = BSP_IRQ_NUMBER; - initial_config.defaultEntry = defaultIrq; - initial_config.irqHdlTbl = rtemsIrq; - initial_config.irqBase = BSP_LOWEST_OFFSET; - initial_config.irqPrioTbl = irqPrioTable; - - if (!BSP_rtems_irq_mngt_set(&initial_config)) { - /* - * put something here that will show the failure... - */ - BSP_panic("Unable to initialize RTEMS interrupt Management!!! System locked\n"); - } - - /* - * We must connect the raw irq handler for the two - * expected interrupt sources : decrementer and external interrupts. - */ - vectorDesc.exceptIndex = ASM_DEC_VECTOR; - vectorDesc.hdl.vector = ASM_DEC_VECTOR; - vectorDesc.hdl.raw_hdl = decrementer_exception_vector_prolog_code; - vectorDesc.hdl.raw_hdl_size = (unsigned) &decrementer_exception_vector_prolog_code_size; - vectorDesc.on = nop_func; - vectorDesc.off = nop_func; - vectorDesc.isOn = connected; - if (!ppc_set_exception (&vectorDesc)) { - BSP_panic("Unable to initialize RTEMS decrementer raw exception\n"); - } - vectorDesc.exceptIndex = ASM_EXT_VECTOR; - vectorDesc.hdl.vector = ASM_EXT_VECTOR; - vectorDesc.hdl.raw_hdl = external_exception_vector_prolog_code; - vectorDesc.hdl.raw_hdl_size = (unsigned) &external_exception_vector_prolog_code_size; - if (!ppc_set_exception (&vectorDesc)) { - BSP_panic("Unable to initialize RTEMS external raw exception\n"); - } -#ifdef TRACE_IRQ_INIT - printk("RTEMS IRQ management is now operationnal\n"); -#endif -} |