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-rw-r--r--c/src/lib/libbsp/powerpc/beatnik/startup/bspstart.c387
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diff --git a/c/src/lib/libbsp/powerpc/beatnik/startup/bspstart.c b/c/src/lib/libbsp/powerpc/beatnik/startup/bspstart.c
deleted file mode 100644
index c3f2c0ceda..0000000000
--- a/c/src/lib/libbsp/powerpc/beatnik/startup/bspstart.c
+++ /dev/null
@@ -1,387 +0,0 @@
-/*
- * This routine does the bulk of the system initialization.
- */
-
-/*
- * COPYRIGHT (c) 1989-1998.
- * 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.OARcorp.com/rtems/license.html.
- *
- * Modified to support the MCP750.
- * Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
- *
- * Modified to support the Synergy VGM & Motorola PowerPC boards.
- * (C) by Till Straumann, <strauman@slac.stanford.edu>, 2002, 2004, 2005
- *
- * Modified to support the mvme5500 BSP
- * (C) by Kate Feng <feng1@bnl.gov>, 2003, 2004
- * under the contract DE-AC02-98CH10886 with the Deaprtment of Energy
- *
- * T. Straumann: 2005-2007; stolen again for 'beatnik'...
- */
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#include <rtems/system.h>
-#include <rtems/libio.h>
-#include <rtems/libcsupport.h>
-#include <rtems/bspIo.h>
-#include <rtems/counter.h>
-#include <rtems/powerpc/powerpc.h>
-#include <rtems/sysinit.h>
-/*#include <bsp/consoleIo.h>*/
-#include <libcpu/spr.h> /* registers.h is included here */
-#include <bsp.h>
-#include <bsp/bootcard.h>
-#include <bsp/uart.h>
-#include <bsp/pci.h>
-#include <bsp/gtreg.h>
-#include <bsp/gt_timer.h>
-#include <libcpu/bat.h>
-#include <libcpu/pte121.h>
-#include <libcpu/cpuIdent.h>
-#include <bsp/vectors.h>
-#include <bsp/VME.h>
-#include <bsp/vpd.h>
-
-#define SHOW_MORE_INIT_SETTINGS
-
-BSP_output_char_function_type BSP_output_char = BSP_output_char_via_serial;
-BSP_polling_getchar_function_type BSP_poll_char = NULL;
-
-extern Triv121PgTbl BSP_pgtbl_setup(unsigned int *);
-extern void BSP_pgtbl_activate(Triv121PgTbl);
-extern void BSP_motload_pci_fixup(void);
-
-extern unsigned long __rtems_end[];
-
-/* We really shouldn't use these since MMUoff also sets IP;
- * nevertheless, during early init I don't care for now
- */
-extern void MMUoff(void);
-extern void MMUon(void);
-
-extern uint32_t probeMemoryEnd(void);
-
-SPR_RW(SPRG0)
-SPR_RW(SPRG1)
-SPR_RO(HID1)
-
-/* Table of PLL multipliers for 7455/7457:
-01000 2 00010 7.5 00000 11.5 00001 17
-10000 3 11000 8 10111 12 00101 18
-10100 4 01100 8.5 11111 12.5 00111 20
-10110 5 01111 9 01011 13 01001 21
-10010 5.5 01110 9.5 11100 13.5 01101 24
-11010 6 10101 10 11001 14 11101 28
-01010 6.5 10001 10.5 00011 15 00110 bypass
-00100 7 10011 11 11011 16 11110 off
-*/
-
-/* Sorted according to CFG bits and multiplied by 2 it looks
- * like this (note that this is in sequential order, not
- * tabulated as above)
- */
-signed char mpc7450PllMultByTwo[32] = {
-23, 34, 15, 30,
-14, 36, 2/*bypass*/, 40,
-4, 42, 13, 26,
-17, 48, 19, 18,
-6, 21, 11, 22,
-8, 20, 10, 24,
-16, 28, 12, 32,
-27, 56, 0/*off*/, 25,
-};
-
-uint32_t bsp_clicks_per_usec = 0;
-
-/*
- * Total memory using probing.
- */
-unsigned int BSP_mem_size;
-
-/*
- * PCI Bus Frequency
- */
-unsigned int BSP_bus_frequency = 0xdeadbeef;
-/*
- * processor clock frequency
- */
-unsigned int BSP_processor_frequency = 0xdeadbeef;
-
-/*
- * Time base divisior (bus freq / TB clock)
- */
-unsigned int BSP_time_base_divisor = 4000; /* most 604+ CPUs seem to use this */
-
-/* Board identification string */
-char BSP_productIdent[20] = {0};
-char BSP_serialNumber[20] = {0};
-
-/* VPD appends an extra char -- what for ? */
-char BSP_enetAddr0[7] = {0};
-char BSP_enetAddr1[7] = {0};
-
-char *rtems_progname;
-
-#define CMDLINE_BUF_SIZE 2048
-
-static char cmdline_buf[CMDLINE_BUF_SIZE];
-char *BSP_commandline_string = cmdline_buf;
-
-/* this routine is called early and must be safe with a not properly
- * aligned stack
- */
-char *save_boot_params(
- void *r3,
- void *r4,
- void *r5,
- char *cmdline_start,
- char *cmdline_end
-)
-{
-int i=cmdline_end-cmdline_start;
- if ( i >= CMDLINE_BUF_SIZE )
- i = CMDLINE_BUF_SIZE-1;
- else if ( i < 0 )
- i = 0;
- memmove(cmdline_buf, cmdline_start, i);
- cmdline_buf[i]=0;
- return cmdline_buf;
-}
-
-static BSP_BoardType board_type = Unknown;
-
-BSP_BoardType
-BSP_getBoardType( void )
-{
- return board_type;
-}
-
-/*
- * bsp_start
- *
- * This routine does the bulk of the system initialization.
- */
-
-void bsp_start( void )
-{
- unsigned char *stack;
- char *chpt;
- uint32_t intrStackStart;
- uint32_t intrStackSize;
-
- Triv121PgTbl pt=0;
-
- VpdBufRec vpdData [] = {
- { key: ProductIdent, instance: 0, buf: BSP_productIdent, buflen: sizeof(BSP_productIdent) - 1 },
- { key: SerialNumber, instance: 0, buf: BSP_serialNumber, buflen: sizeof(BSP_serialNumber) - 1 },
- { key: CpuClockHz, instance: 0, buf: &BSP_processor_frequency, buflen: sizeof(BSP_processor_frequency) },
- { key: BusClockHz, instance: 0, buf: &BSP_bus_frequency, buflen: sizeof(BSP_bus_frequency) },
- { key: EthernetAddr, instance: 0, buf: BSP_enetAddr0, buflen: sizeof(BSP_enetAddr0) },
- { key: EthernetAddr, instance: 1, buf: BSP_enetAddr1, buflen: sizeof(BSP_enetAddr1) },
- VPD_END
- };
-
- /* T. Straumann: 4/2005
- *
- * Need to map the system registers early, so we can printk...
- * (otherwise we silently die)
- */
- /* map the PCI 0, 1 Domain I/O space, GT64260B registers
- * and the reserved area so that the size is the power of 2.
- */
- setdbat(7, BSP_DEV_AND_PCI_IO_BASE, BSP_DEV_AND_PCI_IO_BASE, BSP_DEV_AND_PCI_IO_SIZE, IO_PAGE);
-
- /* Intersperse messages with actions to help locate problems */
- printk("-----------------------------------------\n");
-
- /*
- * Get CPU identification dynamically. Note that the get_ppc_cpu_type() & friends functions
- * store the result in global variables so that it can be used latter...
- * This also verifies that we run on a known CPU.
- */
- get_ppc_cpu_type();
- get_ppc_cpu_revision();
-
- /* Make sure we detect a known host bridge */
- BSP_getDiscoveryVersion(/* assert detection */ 1);
-
- printk("Welcome to RTEMS %s\n", _RTEMS_version );
-
- /* Leave all caches as MotLoad left them. Seems to be fine */
-
- /*
- * the initial stack has aready been set to this value in start.S
- * so there is no need to set it in r1 again... It is just for info
- * so that it can be printed without accessing R1.
- */
- __asm__ volatile("mr %0, 1":"=r"(stack));
-
- /* tag the bottom (T. Straumann 6/36/2001 <strauman@slac.stanford.edu>) */
-
- *((uint32_t *)stack) = 0;
-
- /*
- * Initialize the interrupt related settings
- * SPRG0 = interrupt nesting level count
- * SPRG1 = software managed IRQ stack
- *
- * This could be done latter (e.g in IRQ_INIT) but it helps to understand
- * some settings below...
- */
- intrStackStart = (uint32_t)__rtems_end;
- intrStackSize = rtems_configuration_get_interrupt_stack_size();
-
- /*
- * Initialize default raw exception handlers. See vectors/vectors_init.c
- */
- ppc_exc_initialize(intrStackStart, intrStackSize);
-
- printk("CPU: %s\n", get_ppc_cpu_type_name(current_ppc_cpu));
-
- /*
- * Initialize RTEMS IRQ system
- */
- BSP_rtems_irq_mng_init(0);
-
- BSP_vpdRetrieveFields(vpdData);
-
- if ( !strncmp(BSP_productIdent,"MVME5500",8) )
- board_type = MVME5500;
- else if ( !strncmp(BSP_productIdent,"MVME6100",8) )
- board_type = MVME6100;
-
- printk("Board Type: %s (S/N %s)\n",
- BSP_productIdent[0] ? BSP_productIdent : "n/a",
- BSP_serialNumber[0] ? BSP_serialNumber : "n/a");
-
- if ( 0xdeadbeef == BSP_bus_frequency ) {
- BSP_bus_frequency = 133333333;
- printk("Bus Clock Freq NOT FOUND in VPD; using %10u Hz\n",
- BSP_bus_frequency);
- } else {
- printk("Bus Clock Freq: %10u Hz\n",
- BSP_bus_frequency);
- }
-
- if ( 0xdeadbeef == BSP_processor_frequency ) {
- BSP_processor_frequency = BSP_bus_frequency/2;
- BSP_processor_frequency *= mpc7450PllMultByTwo[ (_read_HID1() >> (31-19)) & 31 ];
- }
- printk("CPU Clock Freq: %10u Hz\n", BSP_processor_frequency);
-
- /* probe real memory size; if it's more than 256M we can't currently access it
- * since at this point only BAT-0 maps 0..256M
- */
- BSP_mem_size = probeMemoryEnd();
-
- if ( (chpt = strstr(BSP_commandline_string,"MEMSZ=")) ) {
- char *endp;
- uint32_t sz;
- chpt+=6 /* strlen("MEMSZ=") */;
- sz = strtoul(chpt, &endp, 0);
- if ( endp != chpt )
- BSP_mem_size = sz;
- }
-
- printk("Memory: %10u bytes\n", BSP_mem_size);
-
- if ( BSP_mem_size > 0x10000000 ) {
- uint32_t s;
- if ( BSP_mem_size > 0x80000000 ) {
- BSP_mem_size = 0x80000000;
- printk("Memory clipped to 0x%08x for now, sorry\n", BSP_mem_size);
- }
- for ( s = 0x20000000; s < BSP_mem_size ; s<<=1)
- ;
- MMUoff();
- /* since it's currently in use we must first surrender it */
- setdbat(0, 0, 0, 0, 0);
- setdbat(0, 0, 0, s, _PAGE_RW);
- MMUon();
- }
-
- printk("-----------------------------------------\n");
-
- /* Maybe not setup yet because of the warning message */
-
- /* Allocate and set up the page table mappings
- * This is only available on >604 CPUs.
- *
- * NOTE: This setup routine may modify the available memory
- * size. It is essential to call it before
- * calculating the workspace etc.
- */
- pt = BSP_pgtbl_setup(&BSP_mem_size);
- if (!pt)
- printk("WARNING: unable to setup page tables.\n");
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Now BSP_mem_size = 0x%x\n",BSP_mem_size);
-#endif
-
- /*
- * Set up our hooks
- */
-
- bsp_clicks_per_usec = BSP_bus_frequency/(BSP_time_base_divisor * 1000);
- rtems_counter_initialize_converter(
- BSP_bus_frequency / (BSP_time_base_divisor / 1000)
- );
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk(
- "Configuration.work_space_size = %x\n",
- rtems_configuration_get_work_space_size()
- );
-#endif
-
- /* Activate the page table mappings only after
- * initializing interrupts because the irq_mng_init()
- * routine needs to modify the text
- */
- if ( pt ) {
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Page table setup finished; will activate it NOW...\n");
-#endif
- BSP_pgtbl_activate(pt);
- }
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Going to start PCI buses scanning and initialization\n");
-#endif
- BSP_pci_initialize();
-
- /* need to tweak the motload setup */
- BSP_motload_pci_fixup();
-
- /* map 512M, 256 for PCI 256 for VME */
- setdbat(5,BSP_PCI_HOSE0_MEM_BASE, BSP_PCI_HOSE0_MEM_BASE, BSP_PCI_HOSE0_MEM_SIZE, IO_PAGE);
- setdbat(6,BSP_PCI_HOSE1_MEM_BASE, BSP_PCI_HOSE1_MEM_BASE, 0x10000000, IO_PAGE);
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Number of PCI buses found is : %d\n", pci_bus_count());
-#endif
-
- /*
- * Initialize hardware timer facility (not used by BSP itself)
- * Needs PCI to identify discovery version...
- */
- BSP_timers_initialize();
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("MSR 0x%lx \n", _read_MSR());
- printk("Exit from bspstart\n");
-#endif
-}
-
-RTEMS_SYSINIT_ITEM(
- BSP_vme_config,
- RTEMS_SYSINIT_BSP_PRE_DRIVERS,
- RTEMS_SYSINIT_ORDER_MIDDLE
-);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 15:31:54 +0000