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Diffstat (limited to 'c/src/lib/libbsp/powerpc/virtex5/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/virtex5/startup/bspstart.c | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/c/src/lib/libbsp/powerpc/virtex5/startup/bspstart.c b/c/src/lib/libbsp/powerpc/virtex5/startup/bspstart.c deleted file mode 100644 index ff821574a9..0000000000 --- a/c/src/lib/libbsp/powerpc/virtex5/startup/bspstart.c +++ /dev/null @@ -1,240 +0,0 @@ -/* - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * Author: Thomas Doerfler <td@imd.m.isar.de> - * IMD Ingenieurbuero fuer Microcomputertechnik - * - * COPYRIGHT (c) 1998 by IMD - * - * Changes from IMD are covered by the original distributions terms. - * This file has been derived from the papyrus BSP: - * - * Author: Andrew Bray <andy@i-cubed.co.uk> - * - * COPYRIGHT (c) 1995 by i-cubed ltd. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of i-cubed limited not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * i-cubed limited makes no representations about the suitability - * of this software for any purpose. - * - * Modifications for spooling console driver and control of memory layout - * with linker command file by - * Thomas Doerfler <td@imd.m.isar.de> - * for these modifications: - * COPYRIGHT (c) 1997 by IMD, Puchheim, Germany. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies. IMD makes no representations about the suitability - * of this software for any purpose. - * - * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c: - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * - * Modifications for PPC405GP by Dennis Ehlin - * Modifications for Virtex5 by Richard Claus <claus@slac.stanford.edu> - */ -#include <rtems.h> -#include <rtems/config.h> -#include <rtems/bspIo.h> -#include <rtems/counter.h> -#include <rtems/libio.h> -#include <rtems/libcsupport.h> -#include <rtems/sysinit.h> - -#include <libcpu/cpuIdent.h> -#include <libcpu/spr.h> - -#include <bsp.h> -#include <bsp/vectors.h> -#include <bsp/bootcard.h> -#include <bsp/irq.h> - -#include <string.h> -#include <fcntl.h> -#include <inttypes.h> - -#define DO_DOWN_ALIGN(x,a) ((x) & ~((a)-1)) - -#define DO_UP_ALIGN(x,a) DO_DOWN_ALIGN(((x) + (a) - 1 ),a) - -#define CPU_DOWN_ALIGN(x) DO_DOWN_ALIGN(x, CPU_ALIGNMENT) -#define CPU_UP_ALIGN(x) DO_UP_ALIGN(x, CPU_ALIGNMENT) - - -/* Defined in linkcmds linker script */ -LINKER_SYMBOL(RamBase); -LINKER_SYMBOL(RamSize); -LINKER_SYMBOL(__bsp_ram_start); -LINKER_SYMBOL(__bsp_ram_end); -LINKER_SYMBOL(__rtems_end); -LINKER_SYMBOL(_stack); -LINKER_SYMBOL(StackSize); -LINKER_SYMBOL(__stack_base); -LINKER_SYMBOL(WorkAreaBase); -LINKER_SYMBOL(MsgAreaBase); -LINKER_SYMBOL(MsgAreaSize); -LINKER_SYMBOL(__phy_ram_end); -LINKER_SYMBOL(bsp_exc_vector_base); - - -/* Expected by clock.c */ -uint32_t bsp_clicks_per_usec; - -/* - * Bus Frequency - */ -unsigned int BSP_bus_frequency; -/* - * processor clock frequency - */ -unsigned int BSP_processor_frequency; - -/* - * Time base divisior (bus freq / TB clock) - */ -unsigned int BSP_time_base_divisor; - -/* - * Provide weak aliases so that RTEMS distribution builds - */ -static void _noopfun(void) {} - - -void app_bsp_start(void) -__attribute__(( weak, alias("_noopfun") )); - -void app_bsp_predriver_hook(void) -__attribute__(( weak, alias("_noopfun") )); - - -static char* bspMsgBuffer = (char*)MsgAreaBase; - -static void __bsp_outchar_to_memory(char c) -{ - static char* msgBuffer = (char*)MsgAreaBase; - *msgBuffer++ = c; - if (msgBuffer >= &bspMsgBuffer[(int)MsgAreaSize]) msgBuffer = bspMsgBuffer; - *msgBuffer = 0x00; /* Overwrite next location to show EOM */ -} - - -void BSP_ask_for_reset(void) -{ - printk("\nSystem stopped, issue RESET"); - - for(;;); -} - - -/*===================================================================*/ - -/* - * BSP start routine. Called by boot_card(). - * - * This routine does the bulk of the system initialization. - */ -void bsp_start(void) -{ - uintptr_t intrStackStart; - uintptr_t intrStackSize; - - ppc_cpu_id_t myCpu; - ppc_cpu_revision_t myCpuRevision; - - /* Set the character output function; The application may override this */ - BSP_output_char = __bsp_outchar_to_memory; - - printk("RTEMS %s\n", rtems_get_version_string()); - - /* - * Get CPU identification dynamically. Note that the get_ppc_cpu_type() - * function stores the result in global variables so that it can be used later... - */ - myCpu = get_ppc_cpu_type(); - myCpuRevision = get_ppc_cpu_revision(); - printk("CPU: 0x%04x, Revision: 0x%04x = %d, Name: %s\n", - myCpu, myCpuRevision, myCpuRevision, get_ppc_cpu_type_name(myCpu)); - - /* - * Initialize the device driver parameters - */ - - /* For mpc6xx clock driver: */ - BSP_bus_frequency = 465000000; - BSP_processor_frequency = 465000000; /* Measured with a DPM 440 2012/8/13 */ - BSP_time_base_divisor = 1000; - - /* Timebase register ticks/microsecond; The application may override these */ - bsp_clicks_per_usec = BSP_bus_frequency/(BSP_time_base_divisor * 1000); - rtems_counter_initialize_converter( - BSP_bus_frequency / (BSP_time_base_divisor / 1000) - ); - - /* - * Initialize the interrupt related settings. - */ - intrStackStart = CPU_UP_ALIGN((uint32_t)__bsp_ram_start); - intrStackSize = rtems_configuration_get_interrupt_stack_size(); - - ppc_exc_initialize(intrStackStart, intrStackSize); - - /* Let the user know what parameters we were compiled with */ - printk(" Base/Start End Size\n" - "RAM: %p %p\n" - "RTEMS: %p\n" - "Interrupt Stack: 0x%08x 0x%x\n" - "Stack: %p %p %p\n" - "Workspace: %p %p\n" - "MsgArea: %p %p\n" - "Physical RAM %p\n", - RamBase, RamSize, - __rtems_end, - intrStackStart, intrStackSize, - __stack_base, _stack, StackSize, - WorkAreaBase, __bsp_ram_end, - MsgAreaBase, MsgAreaSize, - __phy_ram_end); - - /* - * Initialize RTEMS IRQ system - */ - BSP_rtems_irq_mngt_init(0); - - /* Continue with application-specific initialization */ - app_bsp_start(); -} - - -/* - * BSP predriver hook. Called by boot_card() just before drivers are - * initialized. Clear out any stale interrupts here. - */ -static void virtex5_pre_driver_hook(void) -{ - app_bsp_predriver_hook(); -} - -RTEMS_SYSINIT_ITEM( - virtex5_pre_driver_hook, - RTEMS_SYSINIT_BSP_PRE_DRIVERS, - RTEMS_SYSINIT_ORDER_MIDDLE -); |