summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c
diff options
context:
space:
mode:
Diffstat (limited to 'c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c')
-rw-r--r--c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c
deleted file mode 100644
index c7d41c07e9..0000000000
--- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * COPYRIGHT (c) 1998 by Radstone Technology
- *
- *
- * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK
- * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU.
- *
- * You are hereby granted permission to use, copy, modify, and distribute
- * this file, provided that this notice, plus the above copyright notice
- * and disclaimer, appears in all copies. Radstone Technology will provide
- * no support for this code.
- *
- */
-/* bspstart.c
- *
- * This set of routines starts the application. It includes application,
- * board, and monitor specific initialization and configuration.
- * The generic CPU dependent initialization has been performed
- * before any of these are invoked.
- *
- * COPYRIGHT (c) 1989-1997.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may in
- * the file LICENSE in this distribution or at
- * http://www.rtems.com/license/LICENSE.
- *
- * $Id:
- */
-
-#include <string.h>
-
-#include <bsp.h>
-#include <rtems/libio.h>
-#include <rtems/libcsupport.h>
-#include <pci.h>
-
-unsigned char ucSystemType;
-unsigned char ucBoardRevMaj;
-unsigned char ucBoardRevMin;
-unsigned long ulMemorySize;
-unsigned long ulCpuBusClock;
-
-/*
- * The bus speed is expressed in MHz
- */
-static unsigned long ulBusSpeed[] = {
- 56250000,
- 60000000,
- 64300000,
- 66666667,
- 75000000,
- 83333333,
- 100000000,
- 66666667
-};
-
-/*
- * The original table from the application and our copy of it with
- * some changes.
- */
-
-extern rtems_configuration_table Configuration;
-rtems_configuration_table BSP_Configuration;
-
-rtems_cpu_table Cpu_table;
-uint32_t bsp_isr_level;
-
-static int stdin_fd, stdout_fd, stderr_fd;
-
-/*
- * End of RTEMs image imported from linker
- */
-extern int end;
-
-/*
- * Use the shared implementations of the following routines
- */
-
-void bsp_postdriver_hook(void);
-void bsp_libc_init( void *, uint32_t, int );
-
-/*
- * bsp_pretasking_hook
- *
- * BSP pretasking hook. Called just before drivers are initialized.
- * Used to setup libc and install any BSP extensions.
- */
-
-void bsp_pretasking_hook(void)
-{
- uint32_t heap_start;
- uint32_t heap_size;
-
- heap_start = (uint32_t) &end;
- if (heap_start & (CPU_ALIGNMENT-1))
- heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
-
- heap_size = BSP_Configuration.work_space_start - (void *)&end;
- heap_size &= 0xfffffff0; /* keep it as a multiple of 16 bytes */
-
- bsp_libc_init((void *) heap_start, heap_size, 0);
-
- /*
- * Initialise RTC hooks based on system type
- */
- InitializeRTC();
-
- /*
- * Initialise NvRAM hooks based on system type
- */
- InitializeNvRAM();
-
- /*
- * Initialise the PCI bus(ses)
- */
- pci_initialize();
-
- /*
- * Initialize the Universe PCI-VME bridge
- */
- InitializeUniverse();
-
-#ifdef RTEMS_DEBUG
- rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
-#endif
-
-}
-
-/*
- * bsp_std_close
- *
- * Simple routine to close all standard IO streams.
- */
-
-void bsp_std_close( void )
-{
- close(stdin_fd);
- close(stdout_fd);
- close(stderr_fd);
-}
-
-/*
- * bsp_predriver_hook
- *
- * Before drivers are setup.
- */
-void bsp_predriver_hook(void)
-{
- /* bsp_spurious_initialize; ??*/
- initialize_external_exception_vector();
-}
-
-/*
- * bsp_start
- *
- * This routine does the bulk of the system initialization.
- */
-
-void bsp_start( void )
-{
- unsigned char *work_space_start;
- unsigned char ucBoardRev, ucMothMemType, ucEquipPres1, ucEquipPres2;
- uint16_t usPVR=0;
- uint8_t ucTempl, ucTemph;
- uint8_t ucBanksPresent;
- uint8_t ucSimmPresent;
- uint32_t ulCurBank, ulTopBank;
-
- /*
- * Determine system type
- */
- inport_byte(&((PPLANARREGISTERS)0)->MotherboardMemoryType, ucMothMemType);
- inport_byte(&((PPLANARREGISTERS)0)->SimmPresent, ucSimmPresent);
-
- inport_byte(&((PPLANARREGISTERS)0)->EquipmentPresent1, ucEquipPres1);
- inport_byte(&((PPLANARREGISTERS)0)->EquipmentPresent2, ucEquipPres2);
- ucSystemType=((ucMothMemType&0x03)<<1) | ((ucEquipPres1&0x80)>>7);
- ucSystemType^=7;
-
- /*
- * Determine board revision for use by rev. specific code
- */
- inport_byte(&((PPLANARREGISTERS)0)->BoardRevision, ucBoardRev);
- ucBoardRevMaj=ucBoardRev>>5;
- ucBoardRevMin=ucBoardRev&0x1f;
-
- /*
- * Determine the memory size by reading the end address for top
- * assigned bank in the memory controller
- */
- (void)PCIConfigRead8(0,0,0,0xa0, &ucBanksPresent);
- for(ulCurBank=0;ulCurBank<8;ulCurBank++)
- {
- if((ucBanksPresent>>ulCurBank)&0x01)
- {
- ulTopBank=ulCurBank;
- }
- }
-
- (void)PCIConfigRead8(0,0,0,0x90+ulTopBank, &ucTempl);
- (void)PCIConfigRead8(0,0,0,0x98+ulTopBank, &ucTemph);
- ulMemorySize=(ucTempl+(ucTemph<<8)+1)<<20;
-#if PPCN_60X_USE_DINK
- ulMemorySize=0x01fe0000;
-#endif
-
- /*
- * Determine processor bus clock
- */
- asm volatile ("mfpvr %0" : "=r" ((usPVR)) : "0" ((usPVR)));
-
- /*
- * Determine processor internal clock
- */
- if(ucSystemType==SYS_TYPE_PPC4)
- {
- if(((ucBoardRevMaj==1) && (ucBoardRevMin==0)) ||
- ((ucSimmPresent&0x40)==0))
- {
- /*
- * Rev. 1A is always 66MHz
- */
- ulCpuBusClock=66666667;
- }
- else
- {
- ulCpuBusClock=83333333;
- }
- }
- else if((((usPVR>>16)==MPC603e) && (ucSystemType!=SYS_TYPE_PPC1)) ||
- ((usPVR>>16)==MPC603ev) ||
- ((usPVR>>16)==MPC604e))
- {
- ulCpuBusClock=ulBusSpeed[(ucEquipPres2&0x1c)>>2];
- }
- else
- {
- if(((ucSystemType>SYS_TYPE_PPC1) || (ucBoardRevMaj>=5)) &&
- (ucEquipPres1&0x08))
- {
- /*
- * 66 MHz bus clock for 005 if indicated
- */
- ulCpuBusClock=66666667;
- }
- else
- {
- /*
- * 33 MHz bus clock for 004 always
- */
- ulCpuBusClock=33333333;
- }
- }
-
- /*
- * Allocate the memory for the RTEMS Work Space. This can come from
- * a variety of places: hard coded address, malloc'ed from outside
- * RTEMS world (e.g. simulator or primitive memory manager), or (as
- * typically done by stock BSPs) by subtracting the required amount
- * of work space from the last physical address on the CPU board.
- */
-
- work_space_start =
- (unsigned char *)ulMemorySize - BSP_Configuration.work_space_size;
-
- if ( work_space_start <= (unsigned char *)&end ) {
- DEBUG_puts( "bspstart: Not enough RAM!!!\n" );
- bsp_cleanup();
- }
-
- BSP_Configuration.work_space_start = work_space_start;
-
- /*
- * initialize the CPU table for this BSP
- */
-
- Cpu_table.exceptions_in_RAM = TRUE;
- Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */
- Cpu_table.predriver_hook = bsp_predriver_hook;
- Cpu_table.postdriver_hook = bsp_postdriver_hook;
- Cpu_table.do_zero_of_workspace = TRUE;
- Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY;
- Cpu_table.clicks_per_usec = ulCpuBusClock/4000000;
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 17:30:09 +0000