/* * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __COMMON_H_ #define __COMMON_H_ 1 #undef _LINUX_CONFIG_H #define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */ typedef unsigned char uchar; typedef volatile unsigned long vu_long; typedef volatile unsigned short vu_short; typedef volatile unsigned char vu_char; #include #include #include #include #include #include #if defined(CONFIG_PCI) && defined(CONFIG_440) #include #endif #if defined(CONFIG_8xx) #include #if defined(CONFIG_MPC852) || defined(CONFIG_MPC852T) || \ defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ defined(CONFIG_MPC859DSL) || \ defined(CONFIG_MPC866) || defined(CONFIG_MPC866T) || \ defined(CONFIG_MPC866P) # define CONFIG_MPC866_FAMILY 1 #elif defined(CONFIG_MPC870) \ || defined(CONFIG_MPC875) \ || defined(CONFIG_MPC880) \ || defined(CONFIG_MPC885) # define CONFIG_MPC885_FAMILY 1 #endif #if defined(CONFIG_MPC860) \ || defined(CONFIG_MPC860T) \ || defined(CONFIG_MPC866_FAMILY) \ || defined(CONFIG_MPC885_FAMILY) # define CONFIG_MPC86x 1 #endif #elif defined(CONFIG_5xx) #include #elif defined(CONFIG_MPC5xxx) #include #elif defined(CONFIG_MPC8220) #include #elif defined(CONFIG_8260) #if defined(CONFIG_MPC8247) \ || defined(CONFIG_MPC8248) \ || defined(CONFIG_MPC8271) \ || defined(CONFIG_MPC8272) #define CONFIG_MPC8272_FAMILY 1 #endif #if defined(CONFIG_MPC8272_FAMILY) #define CONFIG_MPC8260 1 #endif #include #endif #ifdef CONFIG_MPC85xx #include #include #endif #ifdef CONFIG_MPC83XX #include #include #endif #ifdef CONFIG_4xx #include #endif #ifdef CONFIG_HYMOD #include #endif #ifdef CONFIG_ARM #define asmlinkage /* nothing */ #endif #include #include #include //#define DEBUG 1 //Charles #undef DEBUG #ifdef DEBUG #define debug(fmt,args...) printf (fmt ,##args) #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); #else #define debug(fmt,args...) #define debugX(level,fmt,args...) #endif /* DEBUG */ /*======rockpzhang======*/ #ifdef DEBUG #define _DEBUG 1 #else #define _DEBUG 0 #endif /* * An assertion is run-time check done in debug mode only. If DEBUG is not * defined then it is skipped. If DEBUG is defined and the assertion fails, * then it calls panic*( which may or may not reset/halt U-Boot (see * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found * before release, and after release it is hoped that they don't matter. But * in any case these failing assertions cannot be fixed with a reset (which * may just do the same assertion again). */ void __assert_fail(const char *assertion, const char *file, unsigned line, const char *function); #define assert(x) \ ({ if (!(x) && _DEBUG) \ __assert_fail(#x, __FILE__, __LINE__, __func__); }) #define error(fmt, args...) do { \ printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ ##args, __FILE__, __LINE__, __func__); \ } while (0) int strcmp_compar(const void *, const void *); /*======*/ typedef void (interrupt_handler_t)(void *); #include /* boot information for Linux kernel */ #include /* global data used for startup functions */ /* * enable common handling for all TQM8xxL/M boards: * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards */ #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) # ifndef CONFIG_TQM8xxM # define CONFIG_TQM8xxM # endif #endif #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) # ifndef CONFIG_TQM8xxL # define CONFIG_TQM8xxL # endif #endif #ifndef CONFIG_SERIAL_MULTI #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) #define CONFIG_SERIAL_MULTI 1 #endif #endif /* CONFIG_SERIAL_MULTI */ /* * General Purpose Utilities */ #define min(X, Y) \ ({ typeof (X) __x = (X), __y = (Y); \ (__x < __y) ? __x : __y; }) #define max(X, Y) \ ({ typeof (X) __x = (X), __y = (Y); \ (__x > __y) ? __x : __y; }) /** * container_of - cast a member of a structure out to the containing structure * @ptr: the pointer to the member. * @type: the type of the container struct this is embedded in. * @member: the name of the member within the struct. * */ #define container_of(ptr, type, member) ({ \ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) /* * Function Prototypes */ #ifdef CONFIG_SERIAL_SOFTWARE_FIFO void serial_buffered_init (void); void serial_buffered_putc (const char); void serial_buffered_puts (const char *); int serial_buffered_getc (void); int serial_buffered_tstc (void); #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ void hang (void) __attribute__ ((noreturn)); /* */ long int initdram (int); int display_options (void); void print_size (ulong, const char *); /* common/main.c */ void main_loop (void); int run_command (const char *cmd, int flag); int readline (const char *const prompt); void init_cmd_timeout(void); void reset_cmd_timeout(void); /* lib_$(ARCH)/board.c */ void board_init_f (ulong); void board_init_r (gd_t *, ulong); int checkboard (void); int checkflash (void); int checkdram (void); char * strmhz(char *buf, long hz); int last_stage_init(void); extern ulong monitor_flash_len; /* common/flash.c */ void flash_perror (int); /* common/cmd_autoscript.c */ int autoscript (ulong addr); /* common/cmd_bootm.c */ void print_image_hdr (image_header_t *hdr); extern ulong load_addr; /* Default Load Address */ /* common/cmd_nvedit.c */ int env_init (void); void env_relocate (void); char *getenv (char *); int getenv_r (char *name, char *buf, unsigned len); int saveenv (void); #ifdef CONFIG_PPC /* ARM version to be fixed! */ int inline setenv (char *, char *); #else int setenv (char *, char *); #endif /* CONFIG_PPC */ #ifdef CONFIG_ARM # include # include # include /* ARM version to be fixed! */ #endif /* CONFIG_ARM */ #ifdef CONFIG_I386 /* x86 version to be fixed! */ # include #endif /* CONFIG_I386 */ #ifdef CONFIG_AUTO_COMPLETE int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); #endif void pci_init (void); void pci_init_board(void); void pciinfo (int, int); #if defined(CONFIG_PCI) && defined(CONFIG_440) # if defined(CFG_PCI_PRE_INIT) int pci_pre_init (struct pci_controller * ); # endif # if defined(CFG_PCI_TARGET_INIT) void pci_target_init (struct pci_controller *); # endif # if defined(CFG_PCI_MASTER_INIT) void pci_master_init (struct pci_controller *); # endif int is_pci_host (struct pci_controller *); #endif int misc_init_f (void); int misc_init_r (void); /* common/exports.c */ void jumptable_init(void); /* common/memsize.c */ int get_ram_size (volatile long *, long); /* $(BOARD)/$(BOARD).c */ void reset_phy (void); void fdc_hw_init (void); /* $(BOARD)/eeprom.c */ void eeprom_init (void); #ifndef CONFIG_SPI int eeprom_probe (unsigned dev_addr, unsigned offset); #endif int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); #ifdef CONFIG_LWMON extern uchar pic_read (uchar reg); extern void pic_write (uchar reg, uchar val); #endif /* * Set this up regardless of board * type, to prevent errors. */ #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) # define CFG_DEF_EEPROM_ADDR 0 #else # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ #if defined(CONFIG_SPI) extern void spi_init_f (void); extern void spi_init_r (void); extern ssize_t spi_read (uchar *, int, uchar *, int); extern ssize_t spi_write (uchar *, int, uchar *, int); #endif #ifdef CONFIG_RPXCLASSIC void rpxclassic_init (void); #endif void rpxlite_init (void); #ifdef CONFIG_MBX /* $(BOARD)/mbx8xx.c */ void mbx_init (void); void board_serial_init (void); void board_ether_init (void); #endif #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) void board_get_enetaddr (uchar *addr); #endif #ifdef CONFIG_HERMES /* $(BOARD)/hermes.c */ void hermes_start_lxt980 (int speed); #endif #ifdef CONFIG_EVB64260 void evb64260_init(void); void debug_led(int, int); void display_mem_map(void); void perform_soft_reset(void); #endif void load_sernum_ethaddr (void); /* $(BOARD)/$(BOARD).c */ int board_early_init_f (void); int board_late_init (void); int board_postclk_init (void); /* after clocks/timebase, before env/serial */ int board_early_init_r (void); void board_poweroff (void); #if defined(CFG_DRAM_TEST) int testdram(void); #endif /* CFG_DRAM_TEST */ /* $(CPU)/start.S */ #if defined(CONFIG_5xx) || \ defined(CONFIG_8xx) uint get_immr (uint); #endif uint get_pir (void); #if defined(CONFIG_MPC5xxx) uint get_svr (void); #endif uint get_pvr (void); uint get_svr (void); uint rd_ic_cst (void); void wr_ic_cst (uint); void wr_ic_adr (uint); uint rd_dc_cst (void); void wr_dc_cst (uint); void wr_dc_adr (uint); int icache_status (void); void icache_enable (void); void icache_disable(void); int dcache_status (void); void dcache_enable (void); void dcache_disable(void); void relocate_code (ulong, gd_t *, ulong); ulong get_endaddr (void); void trap_init (ulong); #if defined (CONFIG_4xx) || \ defined (CONFIG_MPC5xxx) || \ defined (CONFIG_74xx_7xx) || \ defined (CONFIG_74x) || \ defined (CONFIG_75x) || \ defined (CONFIG_74xx) || \ defined (CONFIG_MPC8220) || \ defined(CONFIG_MPC85xx) unsigned char in8(unsigned int); void out8(unsigned int, unsigned char); unsigned short in16(unsigned int); unsigned short in16r(unsigned int); void out16(unsigned int, unsigned short value); void out16r(unsigned int, unsigned short value); unsigned long in32(unsigned int); unsigned long in32r(unsigned int); void out32(unsigned int, unsigned long value); void out32r(unsigned int, unsigned long value); void ppcDcbf(unsigned long value); void ppcDcbi(unsigned long value); void ppcSync(void); void ppcDcbz(unsigned long value); #endif #define out32r(addr, val) (*(volatile unsigned int *)(addr)) = val //#define REG_GET32(addr) (*(volatile unsigned int *)(addr)) //#define REG_VAL32(addr) (*(volatile unsigned int *)(addr)) #define out16r(addr, val) (*(volatile unsigned short *)(addr)) = val #define in16r(addr) (*(volatile unsigned short *)(addr)) //#define REG_VAL16(addr) (*(volatile unsigned short *)(addr)) //#define REG_SET8(addr, val) (*(volatile unsigned char *)(addr)) = val //#define REG_GET8(addr) (*(volatile unsigned char *)(addr)) //#define REG_VAL8(addr) (*(volatile unsigned char *)(addr)) /* $(CPU)/cpu.c */ int checkcpu (void); int checkicache (void); int checkdcache (void); void upmconfig (unsigned int, unsigned int *, unsigned int); ulong get_tbclk (void); void reset_cpu (ulong addr); /* $(CPU)/serial.c */ int serial_init (void); void serial_addr (unsigned int); void serial_setbrg (void); void serial_putc (const char); void serial_putc_raw(const char); void serial_puts (const char *); int serial_getc (void); int serial_tstc (void); void _serial_setbrg (const int); void _serial_putc (const char, const int); void _serial_putc_raw(const char, const int); void _serial_puts (const char *, const int); int _serial_getc (const int); int _serial_tstc (const int); /* $(CPU)/speed.c */ int get_clocks (void); int get_clocks_866 (void); int sdram_adjust_866 (void); int adjust_sdram_tbs_8xx (void); #if defined(CONFIG_8260) int prt_8260_clks (void); #elif defined(CONFIG_MPC83XX) int print_clock_conf(void); #elif defined(CONFIG_MPC5xxx) int prt_mpc5xxx_clks (void); #endif #if defined(CONFIG_MPC8220) int prt_mpc8220_clks (void); #endif #ifdef CONFIG_4xx ulong get_OPB_freq (void); ulong get_PCI_freq (void); #endif #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) ulong get_FCLK (void); ulong get_HCLK (void); ulong get_PCLK (void); ulong get_UCLK (void); #endif #if defined(CONFIG_LH7A40X) ulong get_PLLCLK (void); #endif #if defined CONFIG_INCA_IP uint incaip_get_cpuclk (void); #endif #if defined(CONFIG_IMX) ulong get_systemPLLCLK(void); ulong get_FCLK(void); ulong get_HCLK(void); ulong get_BCLK(void); ulong get_PERCLK1(void); ulong get_PERCLK2(void); ulong get_PERCLK3(void); #endif ulong get_bus_freq (ulong); #if defined(CONFIG_MPC85xx) typedef MPC85xx_SYS_INFO sys_info_t; void get_sys_info ( sys_info_t * ); #endif #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) # if defined(CONFIG_440) typedef PPC440_SYS_INFO sys_info_t; # else typedef PPC405_SYS_INFO sys_info_t; # endif void get_sys_info ( sys_info_t * ); #endif /* $(CPU)/cpu_init.c */ #if defined(CONFIG_8xx) || defined(CONFIG_8260) void cpu_init_f (volatile immap_t *immr); #endif #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) void cpu_init_f (void); #endif int cpu_init_r (void); #if defined(CONFIG_8260) int prt_8260_rsr (void); #endif /* $(CPU)/interrupts.c */ int interrupt_init (void); void timer_interrupt (struct pt_regs *); void external_interrupt (struct pt_regs *); void irq_install_handler(int, interrupt_handler_t *, void *); void irq_free_handler (int); void reset_timer (void); ulong get_timer (ulong base); void set_timer (ulong t); void enable_interrupts (void); int disable_interrupts (void); /* $(CPU)/.../commproc.c */ int dpram_init (void); uint dpram_base(void); uint dpram_base_align(uint align); uint dpram_alloc(uint size); uint dpram_alloc_align(uint size,uint align); void post_word_store (ulong); ulong post_word_load (void); void bootcount_store (ulong); ulong bootcount_load (void); #define BOOTCOUNT_MAGIC 0xB001C041 /* $(CPU)/.../ */ void mii_init (void); /* $(CPU)/.../lcd.c */ ulong lcd_setmem (ulong); /* $(CPU)/.../vfd.c */ ulong vfd_setmem (ulong); /* $(CPU)/.../video.c */ ulong video_setmem (ulong); /* lib_$(ARCH)/cache.c */ void flush_cache (unsigned long, unsigned long); /* lib_$(ARCH)/ticks.S */ unsigned long long get_ticks(void); void wait_ticks (unsigned long); /* lib_$(ARCH)/time.c */ void udelay (unsigned long); ulong usec2ticks (unsigned long usec); ulong ticks2usec (unsigned long ticks); int init_timebase (void); /* lib_generic/vsprintf.c */ ulong simple_strtoul(const char *cp,char **endp,unsigned int base); #ifdef CFG_64BIT_VSPRINTF unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); #endif long simple_strtol(const char *cp,char **endp,unsigned int base); void panic(const char *fmt, ...); int sprintf(char * buf, const char *fmt, ...); int vsprintf(char *buf, const char *fmt, va_list args); /* lib_generic/crc32.c */ ulong crc32_no_comp (ulong, const unsigned char *, uint); /* common/console.c */ int console_init_f(void); /* Before relocation; uses the serial stuff */ int console_init_r(void); /* After relocation; uses the console stuff */ int console_assign (int file, char *devname); /* Assign the console */ int ctrlc (void); int had_ctrlc (void); /* have we had a Control-C since last clear? */ void clear_ctrlc (void); /* clear the Control-C condition */ int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ /* * STDIO based functions (can always be used) */ /* serial stuff */ void serial_printf (const char *fmt, ...); /* stdin */ int getc(void); int tstc(void); /* stdout */ void putc(const char c); void puts(const char *s); int printf(const char *fmt, ...); void vprintf(const char *fmt, va_list args); /* stderr */ #define eputc(c) fputc(stderr, c) #define eputs(s) fputs(stderr, s) #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) /* * FILE based functions (can only be used AFTER relocation!) */ #define stdin 0 #define stdout 1 #define stderr 2 #define MAX_FILES 3 #define NAND_WRITE 1 #define NAND_READ 0 void fprintf(int file, const char *fmt, ...); void fputs(int file, const char *s); void fputc(int file, const char c); int ftstc(int file); int fgetc(int file); int pcmcia_init (void); #ifdef CONFIG_SHOW_BOOT_PROGRESS void show_boot_progress (int status); #endif #ifdef CONFIG_INIT_CRITICAL #error CONFIG_INIT_CRITICAL is depracted! #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. #endif /* * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It * is used to align DMA buffers. */ #ifndef __ASSEMBLY__ #include #endif #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) /* * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the * stack that meets the minimum architecture alignment requirements for DMA. * Such a buffer is useful for DMA operations where flushing and invalidating * the cache before and after a read and/or write operation is required for * correct operations. * * When called the macro creates an array on the stack that is sized such * that: * * 1) The beginning of the array can be advanced enough to be aligned. * * 2) The size of the aligned portion of the array is a multiple of the minimum * architecture alignment required for DMA. * * 3) The aligned portion contains enough space for the original number of * elements requested. * * The macro then creates a pointer to the aligned portion of this array and * assigns to the pointer the address of the first element in the aligned * portion of the array. * * Calling the macro as: * * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); * * Will result in something similar to saying: * * uint32_t buffer[1024]; * * The following differences exist: * * 1) The resulting buffer is guaranteed to be aligned to the value of * ARCH_DMA_MINALIGN. * * 2) The buffer variable created by the macro is a pointer to the specified * type, and NOT an array of the specified type. This can be very important * if you want the address of the buffer, which you probably do, to pass it * to the DMA hardware. The value of &buffer is different in the two cases. * In the macro case it will be the address of the pointer, not the address * of the space reserved for the buffer. However, in the second case it * would be the address of the buffer. So if you are replacing hard coded * stack buffers with this macro you need to make sure you remove the & from * the locations where you are taking the address of the buffer. * * Note that the size parameter is the number of array elements to allocate, * not the number of bytes. * * This macro can not be used outside of function scope, or for the creation * of a function scoped static buffer. It can not be used to create a cache * line aligned global buffer. */ #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ char __##name[ROUND(size * sizeof(type), align) + (align - 1)]; \ \ type *name = (type *) ALIGN((unsigned long int)__##name, align) #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) /* * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's * purpose is to allow allocating aligned buffers outside of function scope. * Usage of this macro shall be avoided or used with extreme care! */ #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ static char __##name[roundup(size * sizeof(type), align)] \ __attribute__((aligned(align))); \ \ static type *name = (type *)__##name #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) #endif /* __COMMON_H_ */