diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c b/c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c deleted file mode 100644 index d4db200ad2..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/shmsupp/getcfg.c +++ /dev/null @@ -1,85 +0,0 @@ -/* void Shm_Get_configuration( localnode, &shmcfg ) - * - * This routine initializes, if necessary, and returns a pointer - * to the Shared Memory Configuration Table for the Cyclone CVME961. - * - * INPUT PARAMETERS: - * localnode - local node number - * shmcfg - address of pointer to SHM Config Table - * - * OUTPUT PARAMETERS: - * *shmcfg - pointer to SHM Config Table - * - * NOTES: The MPCSR interrupt on the MVME136 is used as an interprocessor - * interrupt. The capablities of the MPCSR are used to generate - * interprocessor interrupts for up to eight nodes. - * - * The following table illustrates the configuration limitations: - * - * BUS MAX - * MODE ENDIAN NODES - * ========= ====== ======= - * POLLED LITTLE 2+ - * INTERRUPT LITTLE 2-8 - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include "shm.h" - -#define INTERRUPT 1 /* MVME136 target supports both */ -#define POLLING 0 /* polling and interrupt modes */ - -shm_config_table BSP_shm_cfgtbl; - -rtems_unsigned32 *BSP_int_address() -{ - rtems_unsigned32 id, offset; - - id = (rtems_unsigned32) *(rtems_unsigned8 *)0xfffb0061; - offset = ((id & 0x1f) << 5) | ((id & 0xe0) << 8); - offset |= 0xffff000b; - return( (rtems_unsigned32 * ) offset ); -} - -void Shm_Get_configuration( - rtems_unsigned32 localnode, - shm_config_table **shmcfg -) -{ - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x20000000; - BSP_shm_cfgtbl.length = 1 * MEGABYTE; - BSP_shm_cfgtbl.format = SHM_BIG; - - BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt; - -#ifdef NEUTRAL_BIG - BSP_shm_cfgtbl.convert = NULL_CONVERT; -#else - BSP_shm_cfgtbl.convert = CPU_swap_u32; -#endif - -#if (POLLING==1) - BSP_shm_cfgtbl.poll_intr = POLLED_MODE; - BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT; - BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT; - BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT; -#else - BSP_shm_cfgtbl.poll_intr = INTR_MODE; - BSP_shm_cfgtbl.Intr.address = BSP_int_address(); - BSP_shm_cfgtbl.Intr.value = 0x80; - BSP_shm_cfgtbl.Intr.length = BYTE; -#endif - - *shmcfg = &BSP_shm_cfgtbl; - -} |