2006-04-24 Jiri Gaisler <jiri@gaisler.com>

		Edvin Catovic <edvin@gaisler.com>


	PR bsps/972
	* ChangeLog, Makefile.am, configure.ac, amba/amba.c, clock/ckinit.c,
	console/Makefile.am, console/console.c, console/debugputs.c,
	include/Makefile.am, include/amba.h, include/bsp.h, include/leon.h,
	leon_smc91111/leon_smc91111.c, startup/bspstart.c, timer/timer.c,
	tools/Makefile.am, wrapup/Makefile.am: Added Shared Memory Support
	Driver.  Added Leon Gaisler Research Ethernet support. Enhanced AMBA
	bus support.
	* console/debugprintf.c, console/spacewire.c, include/spacewire.h,
	leon_greth/.cvsignore, leon_greth/Makefile.am,
	leon_greth/leon_greth.c, shmsupp/.cvsignore, shmsupp/Makefile.am,
	shmsupp/addrconv.c, shmsupp/getcfg.c, shmsupp/lock.c,
	shmsupp/mpisr.c: New files.

1 files changed, 134 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/sparc/leon3/shmsupp/getcfg.c b/c/src/lib/libbsp/sparc/leon3/shmsupp/getcfg.c
new file mode 100644
index 0000000000..b56702849e
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/leon3/shmsupp/getcfg.c
@@ -0,0 +1,134 @@
+/*  void Shm_Get_configuration( localnode, &shmcfg )
+ *
+ *  This routine initializes, if necessary, and returns a pointer
+ *  to the Shared Memory Configuration Table for the XXX target.
+ *
+ *  INPUT PARAMETERS:
+ *    localnode - local node number
+ *    shmcfg    - address of pointer to SHM Config Table
+ *
+ *  OUTPUT PARAMETERS:
+ *    *shmcfg   - pointer to SHM Config Table
+ *
+XXX: FIX THE COMMENTS BELOW WHEN THE CPU IS KNOWN
+ *  NOTES:  The XYZ does not have an interprocessor interrupt.
+ *
+ *          The following table illustrates the configuration limitations:
+ *
+ *                                   BUS     MAX
+ *                          MODE    ENDIAN  NODES
+ *                        ========= ====== =======
+ *                         POLLED    BIG    2+
+ *                        INTERRUPT **** NOT SUPPORTED ****
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  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.
+ *
+ *  getcfg.c,v 1.7.8.1 2003/09/04 18:44:56 joel Exp
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <shm_driver.h>
+
+/* multiprocessor communications interface (MPCI) table */
+
+
+extern rtems_mpci_entry Shm_Get_packet(
+  rtems_packet_prefix **
+);
+
+rtems_mpci_entry Shm_Initialization( void );
+
+extern rtems_mpci_entry Shm_Receive_packet(
+  rtems_packet_prefix **
+);
+
+extern rtems_mpci_entry Shm_Return_packet(
+  rtems_packet_prefix *
+);
+
+extern rtems_mpci_entry Shm_Send_packet(
+  rtems_unsigned32,
+  rtems_packet_prefix *
+);
+
+
+/* rtems_mpci_table MPCI_table  = { */
+/*   100000,                     /\* default timeout value in ticks *\/ */
+/*   MAX_PACKET_SIZE,            /\* maximum packet size *\/ */
+/*   Shm_Initialization,         /\* initialization procedure   *\/ */
+/*   Shm_Get_packet,             /\* get packet procedure       *\/ */
+/*   Shm_Return_packet,          /\* return packet procedure    *\/ */
+/*   Shm_Send_packet,            /\* packet send procedure      *\/ */
+/*   Shm_Receive_packet          /\* packet receive procedure   *\/ */
+/* }; */
+
+
+/*
+ *  configured if currently polling of interrupt driven
+ */
+
+#define INTERRUPT 0        /* XXX: */
+#define POLLING   1        /* XXX: fix me -- is polling ONLY!!! */
+
+
+shm_config_table BSP_shm_cfgtbl;
+
+void Shm_Get_configuration(
+  rtems_unsigned32   localnode,
+  shm_config_table **shmcfg
+)
+{
+  extern rtems_configuration_table Configuration;
+  int i;
+  unsigned int tmp, ncpu;
+  
+   BSP_shm_cfgtbl.base         = 0x40000000;
+   BSP_shm_cfgtbl.length       = 0x00001000;
+   BSP_shm_cfgtbl.format       = SHM_BIG;
+
+   /*
+    *  Override cause_intr or shm_isr if your target has
+    *  special requirements.
+    */
+
+   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
+
+   BSP_shm_cfgtbl.poll_intr    = INTR_MODE;
+   BSP_shm_cfgtbl.Intr.address = (vol_u32) &(LEON3_IrqCtrl_Regs->force[LEON3_Cpu_Index]);
+   BSP_shm_cfgtbl.Intr.value   = 1 << LEON3_MP_IRQ ; 
+   BSP_shm_cfgtbl.Intr.length  = 4;
+
+   if (LEON3_Cpu_Index == 0)
+   {
+     tmp = 0; /* ncpu = (((LEON3_IrqCtrl_Regs->mpstat) >> 28) & 0xf) + 1; */
+     for (i = 1; i < (Configuration.User_multiprocessing_table)->maximum_nodes+1; i++)
+       tmp |= (1 << i);
+     LEON3_IrqCtrl_Regs->mpstat = tmp; 
+   }
+
+   /*
+   if ((Configuration.User_multiprocessing_table)->node == 1) 
+   {
+     tmp = 0;
+     for (i = 1; i < (Configuration.User_multiprocessing_table)->maximum_nodes; i++)
+     {
+       tmp = tmp | (1 << (LEON3_Cpu_Index + i));
+     }
+     LEON3_IrqCtrl_Regs->mpstat = tmp; 
+   }
+   */
+     
+   *shmcfg = &BSP_shm_cfgtbl;
+}