From c4e05c2656e167d186c510efae8bc1fbf651c9e4 Mon Sep 17 00:00:00 2001 From: Ralf Corsepius Date: Wed, 25 Apr 2007 13:15:07 +0000 Subject: convert from DOS to unix. --- c/src/lib/libbsp/arm/rtl22xx/startup/bspstart.c | 530 ++++++++++++------------ 1 file changed, 265 insertions(+), 265 deletions(-) diff --git a/c/src/lib/libbsp/arm/rtl22xx/startup/bspstart.c b/c/src/lib/libbsp/arm/rtl22xx/startup/bspstart.c index ef5877a604..7881d227c4 100644 --- a/c/src/lib/libbsp/arm/rtl22xx/startup/bspstart.c +++ b/c/src/lib/libbsp/arm/rtl22xx/startup/bspstart.c @@ -1,260 +1,260 @@ -/* - * LPC22XX Startup code - * - * Copyright (c) 2005 by Ray X - * - * 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. - * - * - * $Id$ -*/ - -#include -#include -#include -#include - - -/*************************************************************/ -/* Macros */ -/*************************************************************/ - -/*************************************************************/ -/* Data Structures */ -/*************************************************************/ - -/*************************************************************/ -/* Global Variables */ -/*************************************************************/ -/*FIX ME:we do not have SDRAM, but can I define mutiple SRAM?*/ - -extern void *_flash_size; -extern void *_flash_base; -extern void *_sdram_size; -extern void *_sdram_base; -extern void *_bss_free_start; -extern void *_bss_start_; -extern void *_bss_end_; - - -unsigned long free_mem_start; -unsigned long free_mem_end; - -/* The original BSP configuration 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; /* CPU configuration table. */ -char *rtems_progname; /* Program name - from main(). */ - -/*************************************************************/ -/* Function prototypes */ -/*************************************************************/ -extern void rtems_irq_mngt_init(void); -void bsp_libc_init( void *, uint32_t, int ); -void bsp_postdriver_hook(void); -extern void UART0_Ini(void); -extern void printi(unsigned long); -extern void debug_printk(char*); -/**************************************************************************/ -/* */ -/* NAME: bps_pretasking_hook - Function to setup system before startup */ -/* */ -/* DESCRIPTION: */ -/* This function is called before drivers are initialized and used */ -/* to setup libc and BSP extensions. It configures non cacheable */ -/* SDRAM, SRAM, AIM, and ADM regions and sets up the CPU's memory */ -/* protection unit. */ -/* */ -/* GLOBALS USED: */ -/* free_mem_start */ -/* free_mem_end */ -/* */ -/* RESTRICTIONS/LIMITATIONS: */ -/* Since this function is setting up libc, it cannot use and libc */ -/* functions. */ -/* */ -/**************************************************************************/ -void bsp_pretasking_hook(void) -{ - uint32_t heap_start; - uint32_t heap_size; - - /* - * Set up the heap. It uses all free SDRAM except that reserved - * for non-cached uses. - */ - heap_start = free_mem_start; - - /* heap_size = (free_mem_end - heap_start - MEM_NOCACHE_SIZE); */ - /*the board seems to have only 512K memory, we use 256K as heap*/ - heap_size = 0x40000; - - bsp_libc_init((void *)heap_start, heap_size, 0); - -#ifdef RTEMS_DEBUG - - rtems_debug_enable(RTEMS_DEBUG_ALL_MASK); - -#endif /* RTEMS_DEBUG */ - -} /* bsp_pretasking_hook */ - -/**************************************************************************/ -/* */ -/* NAME: bsp_start_default - BSP initialization function */ -/* */ -/* DESCRIPTION: */ -/* This function is called before RTEMS is initialized and used */ -/* adjust the kernel's configuration. */ -/* */ -/* This function also configures the CPU's memory protection unit. */ -/* */ -/* GLOBALS USED: */ -/* CPU_table */ -/* BSP_Configuration */ -/* free_mem_start */ -/* free_mem_end */ -/* free_mem_nocache_start */ -/* _bss_free_start */ -/* mpu_region_tbl */ -/* */ -/* */ -/* */ -/* */ -/* RESTRICTIONS/LIMITATIONS: */ -/* Since RTEMS is not configured, no RTEMS functions can be called. */ -/* */ -/**************************************************************************/ -void bsp_start_default( void ) -{ - uint32_t i; - PINSEL2 =0x0f814914; - BCFG0 = 0x1000ffef; - BCFG1 = 0x1000ffef; - - MEMMAP = 0x2; //debug and excute outside chip - - PLLCON = 1; -#if (Fpclk / (Fcclk / 4)) == 1 - VPBDIV = 0; -#endif -#if (Fpclk / (Fcclk / 4)) == 2 - VPBDIV = 2; -#endif -#if (Fpclk / (Fcclk / 4)) == 4 - VPBDIV = 1; -#endif - -#if (Fcco / Fcclk) == 2 - PLLCFG = ((Fcclk / Fosc) - 1) | (0 << 5); -#endif -#if (Fcco / Fcclk) == 4 - PLLCFG = ((Fcclk / Fosc) - 1) | (1 << 5); -#endif -#if (Fcco / Fcclk) == 8 - PLLCFG = ((Fcclk / Fosc) - 1) | (2 << 5); -#endif -#if (Fcco / Fcclk) == 16 - PLLCFG = ((Fcclk / Fosc) - 1) | (3 << 5); -#endif - PLLFEED = 0xaa; - PLLFEED = 0x55; - while((PLLSTAT & (1 << 10)) == 0); - PLLCON = 3; - PLLFEED = 0xaa; - PLLFEED = 0x55; - - /* memory configure */ - //MAMCR = 0; - // MAMTIM = 3; - //MAMCR = 2; - - /* init VIC */ - VICIntEnClr = 0xffffffff; - VICVectAddr = 0; - VICIntSelect = 0; - - /* disable interrupts */ - /* Setup interrupt controller.*/ - VICProtection = 0; - - - Cpu_table.pretasking_hook = bsp_pretasking_hook; - Cpu_table.postdriver_hook = bsp_postdriver_hook; - Cpu_table.do_zero_of_workspace = TRUE; - BSP_Configuration.microseconds_per_tick=100000; - /* Place RTEMS workspace at beginning of free memory. */ - BSP_Configuration.work_space_start = (void *)&_bss_free_start; - - free_mem_start = ((uint32_t)&_bss_free_start + - BSP_Configuration.work_space_size); - - free_mem_end = ((uint32_t)&_sdram_base + (uint32_t)&_sdram_size); - - UART0_Ini(); - - #if 0 - debug_printk(" bsp_start_defalt"); - - debug_printk(" _bss_free_start"); - printi((int)&_bss_free_start); - - debug_printk(" free_mem_start"); - printi((int)free_mem_start); - - debug_printk(" _sdram_base"); - printi((int)&_sdram_base); - - debug_printk(" _sdram_size"); - printi((int)&_sdram_size); - - debug_printk(" free_mem_end"); - printi((int)free_mem_end); - - - printi(free_mem_end); - #endif - - /* - * Init rtems exceptions management - */ - rtems_exception_init_mngt(); - - /* - * Init rtems interrupt management - */ - rtems_irq_mngt_init(); - - /* - * The following information is very useful when debugging. - */ -#if 0 - - printk( "work_space_size = 0x%x\n", BSP_Configuration.work_space_size ); - printk( "maximum_extensions = 0x%x\n", BSP_Configuration.maximum_extensions ); - printk( "microseconds_per_tick = 0x%x\n", - BSP_Configuration.microseconds_per_tick ); - printk( "ticks_per_timeslice = 0x%x\n", - BSP_Configuration.ticks_per_timeslice ); - printk( "maximum_devices = 0x%x\n", BSP_Configuration.maximum_devices ); - printk( "number_of_device_drivers = 0x%x\n", - BSP_Configuration.number_of_device_drivers ); - printk( "Device_driver_table = 0x%x\n", - BSP_Configuration.Device_driver_table ); - - /* printk( "_stack_size = 0x%x\n", _stack_size );*/ - printk( "work_space_start = 0x%x\n", BSP_Configuration.work_space_start ); - printk( "work_space_size = 0x%x\n", BSP_Configuration.work_space_size ); -#endif -} /* bsp_start */ - - +/* + * LPC22XX Startup code + * + * Copyright (c) 2005 by Ray X + * + * 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. + * + * + * $Id$ +*/ + +#include +#include +#include +#include + + +/*************************************************************/ +/* Macros */ +/*************************************************************/ + +/*************************************************************/ +/* Data Structures */ +/*************************************************************/ + +/*************************************************************/ +/* Global Variables */ +/*************************************************************/ +/*FIX ME:we do not have SDRAM, but can I define mutiple SRAM?*/ + +extern void *_flash_size; +extern void *_flash_base; +extern void *_sdram_size; +extern void *_sdram_base; +extern void *_bss_free_start; +extern void *_bss_start_; +extern void *_bss_end_; + + +unsigned long free_mem_start; +unsigned long free_mem_end; + +/* The original BSP configuration 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; /* CPU configuration table. */ +char *rtems_progname; /* Program name - from main(). */ + +/*************************************************************/ +/* Function prototypes */ +/*************************************************************/ +extern void rtems_irq_mngt_init(void); +void bsp_libc_init( void *, uint32_t, int ); +void bsp_postdriver_hook(void); +extern void UART0_Ini(void); +extern void printi(unsigned long); +extern void debug_printk(char*); +/**************************************************************************/ +/* */ +/* NAME: bps_pretasking_hook - Function to setup system before startup */ +/* */ +/* DESCRIPTION: */ +/* This function is called before drivers are initialized and used */ +/* to setup libc and BSP extensions. It configures non cacheable */ +/* SDRAM, SRAM, AIM, and ADM regions and sets up the CPU's memory */ +/* protection unit. */ +/* */ +/* GLOBALS USED: */ +/* free_mem_start */ +/* free_mem_end */ +/* */ +/* RESTRICTIONS/LIMITATIONS: */ +/* Since this function is setting up libc, it cannot use and libc */ +/* functions. */ +/* */ +/**************************************************************************/ +void bsp_pretasking_hook(void) +{ + uint32_t heap_start; + uint32_t heap_size; + + /* + * Set up the heap. It uses all free SDRAM except that reserved + * for non-cached uses. + */ + heap_start = free_mem_start; + + /* heap_size = (free_mem_end - heap_start - MEM_NOCACHE_SIZE); */ + /*the board seems to have only 512K memory, we use 256K as heap*/ + heap_size = 0x40000; + + bsp_libc_init((void *)heap_start, heap_size, 0); + +#ifdef RTEMS_DEBUG + + rtems_debug_enable(RTEMS_DEBUG_ALL_MASK); + +#endif /* RTEMS_DEBUG */ + +} /* bsp_pretasking_hook */ + +/**************************************************************************/ +/* */ +/* NAME: bsp_start_default - BSP initialization function */ +/* */ +/* DESCRIPTION: */ +/* This function is called before RTEMS is initialized and used */ +/* adjust the kernel's configuration. */ +/* */ +/* This function also configures the CPU's memory protection unit. */ +/* */ +/* GLOBALS USED: */ +/* CPU_table */ +/* BSP_Configuration */ +/* free_mem_start */ +/* free_mem_end */ +/* free_mem_nocache_start */ +/* _bss_free_start */ +/* mpu_region_tbl */ +/* */ +/* */ +/* */ +/* */ +/* RESTRICTIONS/LIMITATIONS: */ +/* Since RTEMS is not configured, no RTEMS functions can be called. */ +/* */ +/**************************************************************************/ +void bsp_start_default( void ) +{ + uint32_t i; + PINSEL2 =0x0f814914; + BCFG0 = 0x1000ffef; + BCFG1 = 0x1000ffef; + + MEMMAP = 0x2; //debug and excute outside chip + + PLLCON = 1; +#if (Fpclk / (Fcclk / 4)) == 1 + VPBDIV = 0; +#endif +#if (Fpclk / (Fcclk / 4)) == 2 + VPBDIV = 2; +#endif +#if (Fpclk / (Fcclk / 4)) == 4 + VPBDIV = 1; +#endif + +#if (Fcco / Fcclk) == 2 + PLLCFG = ((Fcclk / Fosc) - 1) | (0 << 5); +#endif +#if (Fcco / Fcclk) == 4 + PLLCFG = ((Fcclk / Fosc) - 1) | (1 << 5); +#endif +#if (Fcco / Fcclk) == 8 + PLLCFG = ((Fcclk / Fosc) - 1) | (2 << 5); +#endif +#if (Fcco / Fcclk) == 16 + PLLCFG = ((Fcclk / Fosc) - 1) | (3 << 5); +#endif + PLLFEED = 0xaa; + PLLFEED = 0x55; + while((PLLSTAT & (1 << 10)) == 0); + PLLCON = 3; + PLLFEED = 0xaa; + PLLFEED = 0x55; + + /* memory configure */ + //MAMCR = 0; + // MAMTIM = 3; + //MAMCR = 2; + + /* init VIC */ + VICIntEnClr = 0xffffffff; + VICVectAddr = 0; + VICIntSelect = 0; + + /* disable interrupts */ + /* Setup interrupt controller.*/ + VICProtection = 0; + + + Cpu_table.pretasking_hook = bsp_pretasking_hook; + Cpu_table.postdriver_hook = bsp_postdriver_hook; + Cpu_table.do_zero_of_workspace = TRUE; + BSP_Configuration.microseconds_per_tick=100000; + /* Place RTEMS workspace at beginning of free memory. */ + BSP_Configuration.work_space_start = (void *)&_bss_free_start; + + free_mem_start = ((uint32_t)&_bss_free_start + + BSP_Configuration.work_space_size); + + free_mem_end = ((uint32_t)&_sdram_base + (uint32_t)&_sdram_size); + + UART0_Ini(); + + #if 0 + debug_printk(" bsp_start_defalt"); + + debug_printk(" _bss_free_start"); + printi((int)&_bss_free_start); + + debug_printk(" free_mem_start"); + printi((int)free_mem_start); + + debug_printk(" _sdram_base"); + printi((int)&_sdram_base); + + debug_printk(" _sdram_size"); + printi((int)&_sdram_size); + + debug_printk(" free_mem_end"); + printi((int)free_mem_end); + + + printi(free_mem_end); + #endif + + /* + * Init rtems exceptions management + */ + rtems_exception_init_mngt(); + + /* + * Init rtems interrupt management + */ + rtems_irq_mngt_init(); + + /* + * The following information is very useful when debugging. + */ +#if 0 + + printk( "work_space_size = 0x%x\n", BSP_Configuration.work_space_size ); + printk( "maximum_extensions = 0x%x\n", BSP_Configuration.maximum_extensions ); + printk( "microseconds_per_tick = 0x%x\n", + BSP_Configuration.microseconds_per_tick ); + printk( "ticks_per_timeslice = 0x%x\n", + BSP_Configuration.ticks_per_timeslice ); + printk( "maximum_devices = 0x%x\n", BSP_Configuration.maximum_devices ); + printk( "number_of_device_drivers = 0x%x\n", + BSP_Configuration.number_of_device_drivers ); + printk( "Device_driver_table = 0x%x\n", + BSP_Configuration.Device_driver_table ); + + /* printk( "_stack_size = 0x%x\n", _stack_size );*/ + printk( "work_space_start = 0x%x\n", BSP_Configuration.work_space_start ); + printk( "work_space_size = 0x%x\n", BSP_Configuration.work_space_size ); +#endif +} /* bsp_start */ + + /** * Reset the system. * @@ -273,12 +273,12 @@ void bsp_reset(void) _CPU_ISR_Disable(level); - while(1); + while(1); } - -/* - * By making this a weak alias for bsp_start_default, a brave soul - * can override the actual bsp_start routine used. - */ - -void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default"))); + +/* + * By making this a weak alias for bsp_start_default, a brave soul + * can override the actual bsp_start routine used. + */ + +void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default"))); -- cgit v1.2.3