diff options
Diffstat (limited to 'c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c')
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c deleted file mode 100644 index f72e715b6f..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/shmsupp/getcfg.c +++ /dev/null @@ -1,98 +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: CVME961 target system has onboard dual-ported memory. This - * file uses the USE_ONBOARD_RAM macro to determine if this - * RAM is to be used as the SHM. If so (i.e. USE_ONBOARD_RAM - * is set to 1), it is assumed that the master node's dual - * ported memory will be used and that it is configured - * correctly. The node owning the memory CANNOT access it - * using a local address. The "if" insures that the MASTER - * node uses a local address to access the dual-ported memory. - * - * The interprocessor interrupt used on the CVME961 is generated - * by the VIC068. The ICMS capablities of the VIC068 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 USE_ONBOARD_RAM 0 /* use onboard (1) or VME RAM */ - /* for SHM communications */ - -#define INTERRUPT 1 /* CVME961 target supports both */ -#define POLLING 0 /* polling and interrupt modes */ - - -shm_config_table BSP_shm_cfgtbl; - -void Shm_Get_configuration( - rtems_unsigned32 localnode, - shm_config_table **shmcfg -) -{ -#if ( USE_ONBOARD_RAM == 1 ) - if ( Shm_RTEMS_MP_Configuration->node == MASTER ) - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x00300000; - else - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x10300000; -#else - BSP_shm_cfgtbl.base = (rtems_unsigned32 *)0x20000000; -#endif - - BSP_shm_cfgtbl.length = 1 * MEGABYTE; - BSP_shm_cfgtbl.format = SHM_LITTLE; - - BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt; - -#ifdef NEUTRAL_BIG - BSP_shm_cfgtbl.convert = (void *)CPU_swap_u32; -#else - BSP_shm_cfgtbl.convert = NULL_CONVERT; -#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 = - (rtems_unsigned32 *) (0xffff0021|((localnode-1) << 12)); - /* use ICMS0 */ - BSP_shm_cfgtbl.Intr.value = 1; - BSP_shm_cfgtbl.Intr.length = BYTE; -#endif - - *shmcfg = &BSP_shm_cfgtbl; - -} |