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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-17 09:49:49 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 09:49:35 +0200
commita884df35945d8e7ec4171f16e6a4995b9fffc048 (patch)
treed9a8b340e5ec879f58cc9023a5f090da908f88ea /c/src/lib/libbsp/powerpc
parentbsps: Move bspgetworkarea.c to bsps (diff)
downloadrtems-a884df35945d8e7ec4171f16e6a4995b9fffc048.tar.bz2
bsp/motorola_powerpc: Move bspstart.c to bsps
This shared powerpc file was only used by this BSP. This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'c/src/lib/libbsp/powerpc')
-rw-r--r--c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am2
-rw-r--r--c/src/lib/libbsp/powerpc/shared/startup/bspstart.c376
2 files changed, 1 insertions, 377 deletions
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am b/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am
index 212c6920de..71567fc38a 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/Makefile.am
@@ -34,7 +34,7 @@ project_lib_LIBRARIES = librtemsbsp.a
librtemsbsp_a_SOURCES =
# startup
-librtemsbsp_a_SOURCES += ../shared/startup/bspstart.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/powerpc/motorola_powerpc/start/bspstart.c
librtemsbsp_a_SOURCES += ../shared/startup/bspgetworkarea.c
librtemsbsp_a_SOURCES += ../shared/showbats.c
librtemsbsp_a_SOURCES += ../shared/startup/bsppredriverhook.c
diff --git a/c/src/lib/libbsp/powerpc/shared/startup/bspstart.c b/c/src/lib/libbsp/powerpc/shared/startup/bspstart.c
deleted file mode 100644
index dac4b2452d..0000000000
--- a/c/src/lib/libbsp/powerpc/shared/startup/bspstart.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/*
- * This routine does the bulk of the system initialization.
- */
-
-/*
- * COPYRIGHT (c) 1989-2007.
- * 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.org/license/LICENSE.
- *
- * Modified to support the MCP750.
- * Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
- */
-
-#include <string.h>
-
-#include <bsp.h>
-#include <bsp/bootcard.h>
-#include <rtems/bspIo.h>
-#include <rtems/counter.h>
-#include <bsp/consoleIo.h>
-#include <libcpu/spr.h>
-#include <bsp/residual.h>
-#include <bsp/pci.h>
-#include <bsp/openpic.h>
-#include <bsp/irq.h>
-#include <libcpu/bat.h>
-#include <libcpu/pte121.h>
-#include <libcpu/cpuIdent.h>
-#include <bsp/vectors.h>
-#include <bsp/motorola.h>
-#include <rtems/powerpc/powerpc.h>
-
-extern void _return_to_ppcbug(void);
-extern unsigned long __rtems_end[];
-extern void L1_caches_enables(void);
-extern unsigned get_L2CR(void);
-extern void set_L2CR(unsigned);
-extern Triv121PgTbl BSP_pgtbl_setup(unsigned int *);
-extern void BSP_pgtbl_activate(Triv121PgTbl);
-
-SPR_RW(SPRG1)
-
-#if defined(DEBUG_BATS)
-extern void ShowBATS(void);
-#endif
-
-/*
- * Driver configuration parameters
- */
-uint32_t bsp_clicks_per_usec;
-
-/*
- * Copy of residuals passed by firmware
- */
-RESIDUAL residualCopy;
-/*
- * Copy Additional boot param passed by boot loader
- */
-#define MAX_LOADER_ADD_PARM 80
-char loaderParam[MAX_LOADER_ADD_PARM];
-
-char *BSP_commandline_string = loaderParam;
-/*
- * Vital Board data Start using DATA RESIDUAL
- */
-/*
- * Total memory using RESIDUAL DATA
- */
-unsigned int BSP_mem_size;
-
-/*
- * PCI Bus Frequency
- */
-unsigned int BSP_bus_frequency;
-/*
- * processor clock frequency
- */
-unsigned int BSP_processor_frequency;
-/*
- * Time base divisior (how many tick for 1 second).
- */
-unsigned int BSP_time_base_divisor;
-
-/*
- * Use the shared implementations of the following routines
- */
-
-char *save_boot_params(
- void *r3,
- void *r4,
- void *r5,
- char *cmdline_start,
- char *cmdline_end
-)
-{
-
- residualCopy = *(RESIDUAL *)r3;
- strncpy(loaderParam, cmdline_start, MAX_LOADER_ADD_PARM);
- loaderParam[MAX_LOADER_ADD_PARM - 1] ='\0';
- return loaderParam;
-}
-
-#if defined(mvme2100)
-unsigned int EUMBBAR;
-
-/*
- * Return the current value of the Embedded Utilities Memory Block Base Address
- * Register (EUMBBAR) as read from the processor configuration register using
- * Processor Address Map B (CHRP).
- */
-static unsigned int get_eumbbar(void) {
- out_le32( (volatile uint32_t *)0xfec00000, 0x80000078 );
- return in_le32( (volatile uint32_t *)0xfee00000 );
-}
-#endif
-
-/*
- * bsp_start
- *
- * This routine does the bulk of the system initialization.
- */
-
-void bsp_start( void )
-{
-#if !defined(mvme2100)
- unsigned l2cr;
-#endif
- uintptr_t intrStackStart;
- uintptr_t intrStackSize;
- prep_t boardManufacturer;
- motorolaBoard myBoard;
- Triv121PgTbl pt=0;
-
- /*
- * Get CPU identification dynamically. Note that the get_ppc_cpu_type()
- * function store the result in global variables so that it can be used
- * later...
- */
- get_ppc_cpu_type();
- get_ppc_cpu_revision();
-
- /*
- * Init MMU block address translation to enable hardware access
- */
-
-#if !defined(mvme2100)
- /*
- * PC legacy IO space used for inb/outb and all PC compatible hardware
- */
- setdbat(1, _IO_BASE, _IO_BASE, 0x10000000, IO_PAGE);
-#endif
-
- /*
- * PCI devices memory area. Needed to access OpenPIC features
- * provided by the Raven
- *
- * T. Straumann: give more PCI address space
- */
- setdbat(2, PCI_MEM_BASE+PCI_MEM_WIN0, PCI_MEM_BASE+PCI_MEM_WIN0, 0x10000000, IO_PAGE);
-
- /*
- * Must have acces to open pic PCI ACK registers provided by the RAVEN
- */
-#ifndef qemu
- setdbat(3, 0xf0000000, 0xf0000000, 0x10000000, IO_PAGE);
-#else
- setdbat(3, 0xb0000000, 0xb0000000, 0x10000000, IO_PAGE);
-#endif
-
-#if defined(mvme2100)
- /* Need 0xfec00000 mapped for this */
- EUMBBAR = get_eumbbar();
-#endif
-
- /*
- * enables L1 Cache. Note that the L1_caches_enables() codes checks for
- * relevant CPU type so that the reason why there is no use of myCpu...
- */
- L1_caches_enables();
-
- select_console(CONSOLE_LOG);
-
- /*
- * We check that the keyboard is present and immediately
- * select the serial console if not.
- */
-#if defined(BSP_KBD_IOBASE)
- { int err;
- err = kbdreset();
- if (err) select_console(CONSOLE_SERIAL);
- }
-#else
- select_console(CONSOLE_SERIAL);
-#endif
-
-
-#if !defined(mvme2100)
- /*
- * Enable L2 Cache. Note that the set_L2CR(L2CR) codes checks for
- * relevant CPU type (mpc750)...
- */
- l2cr = get_L2CR();
-#ifdef SHOW_LCR2_REGISTER
- printk("Initial L2CR value = %x\n", l2cr);
-#endif
- if ( (! (l2cr & 0x80000000)) && ((int) l2cr == -1))
- set_L2CR(0xb9A14000);
-#endif
-
- /*
- * Initialize the interrupt related settings.
- */
- intrStackStart = (uintptr_t) __rtems_end;
- intrStackSize = rtems_configuration_get_interrupt_stack_size();
-
- /*
- * Initialize default raw exception handlers.
- */
- ppc_exc_initialize(intrStackStart, intrStackSize);
-
- boardManufacturer = checkPrepBoardType(&residualCopy);
- if (boardManufacturer != PREP_Motorola) {
- printk("Unsupported hardware vendor\n");
- while (1);
- }
- myBoard = getMotorolaBoard();
-
- printk("-----------------------------------------\n");
- printk("Welcome to %s on %s\n", _RTEMS_version,
- motorolaBoardToString(myBoard));
- printk("-----------------------------------------\n");
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Residuals are located at %x\n", (unsigned) &residualCopy);
- printk("Additionnal boot options are %s\n", loaderParam);
- printk("Software IRQ stack starts at %x with size %u\n", intrStackStart, intrStackSize);
- printk("-----------------------------------------\n");
-#endif
-
-#ifdef TEST_RETURN_TO_PPCBUG
- printk("Hit <Enter> to return to PPCBUG monitor\n");
- printk("When Finished hit GO. It should print <Back from monitor>\n");
- debug_getc();
- _return_to_ppcbug();
- printk("Back from monitor\n");
- _return_to_ppcbug();
-#endif /* TEST_RETURN_TO_PPCBUG */
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Going to start PCI buses scanning and initialization\n");
-#endif
-
- pci_initialize();
- {
- const struct _int_map *bspmap = motorolaIntMap(currentBoard);
- if( bspmap ) {
- printk("pci : Configuring interrupt routing for '%s'\n",
- motorolaBoardToString(currentBoard));
- FixupPCI(bspmap, motorolaIntSwizzle(currentBoard));
- }
- else
- printk("pci : Interrupt routing not available for this bsp\n");
- }
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Number of PCI buses found is : %d\n", pci_bus_count());
-#endif
-#ifdef TEST_RAW_EXCEPTION_CODE
- printk("Testing exception handling Part 1\n");
- /*
- * Cause a software exception
- */
- __asm__ __volatile ("sc");
- /*
- * Check we can still catch exceptions and return coorectly.
- */
- printk("Testing exception handling Part 2\n");
- __asm__ __volatile ("sc");
-
- /*
- * Somehow doing the above seems to clobber SPRG0 on the mvme2100. The
- * interrupt disable mask is stored in SPRG0. Is this a problem?
- */
- ppc_interrupt_set_disable_mask( PPC_INTERRUPT_DISABLE_MASK_DEFAULT);
-
-#endif
-
-/* See above */
-
- BSP_mem_size = residualCopy.TotalMemory;
- BSP_bus_frequency = residualCopy.VitalProductData.ProcessorBusHz;
- BSP_processor_frequency = residualCopy.VitalProductData.ProcessorHz;
- BSP_time_base_divisor = (residualCopy.VitalProductData.TimeBaseDivisor?
- residualCopy.VitalProductData.TimeBaseDivisor : 4000);
-
- /* clear hostbridge errors but leave MCP disabled -
- * PCI config space scanning code will trip otherwise :-(
- */
- _BSP_clear_hostbridge_errors(0 /* enableMCP */, 0/*quiet*/);
-
- if (BSP_mem_size > 0x10000000)
- {
- /* Support cases of system memory size larger than 256Mb.
- *
- * We use BAT3 in order to obtain access to the top section of the RAM.
- * We also need to do this just before setting up the page table because
- * this is where the page table will be located.
- */
- const unsigned int mem256Count = (BSP_mem_size / 0x10000000);
- const unsigned int BAT3Addr = ((BSP_mem_size % 0x10000000) ?
- (mem256Count * 0x10000000) :
- ((mem256Count-1) * 0x10000000));
- setdbat(3, BAT3Addr, BAT3Addr, 0x10000000, IO_PAGE);
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Setting up BAT3 for large memory support. (BAT3 --> 0x%x)\n", BAT3Addr);
-#endif
- }
-
- /* 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 || TRIV121_MAP_SUCCESS != triv121PgTblMap(
- pt, TRIV121_121_VSID,
-#ifndef qemu
- 0xfeff0000,
-#else
- 0xbffff000,
-#endif
- 1,
- TRIV121_ATTR_IO_PAGE, TRIV121_PP_RW_PAGE)) {
- printk("WARNING: unable to setup page tables VME "
- "bridge must share PCI space\n");
- }
-
- /*
- * initialize the device driver parameters
- */
- bsp_clicks_per_usec = BSP_bus_frequency/(BSP_time_base_divisor * 1000);
- rtems_counter_initialize_converter(
- BSP_bus_frequency / (BSP_time_base_divisor / 1000)
- );
-
- /*
- * Initalize RTEMS IRQ system
- */
- BSP_rtems_irq_mng_init(0);
-
- /* 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);
- /* finally, switch off DBAT3 */
- setdbat(3, 0, 0, 0, 0);
- }
-
-#if defined(DEBUG_BATS)
- ShowBATS();
-#endif
-
-#ifdef SHOW_MORE_INIT_SETTINGS
- printk("Exit from bspstart\n");
-#endif
-}