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Diffstat (limited to 'src/arch/armv7/include/common.h')
| -rw-r--r-- | src/arch/armv7/include/common.h | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/src/arch/armv7/include/common.h b/src/arch/armv7/include/common.h new file mode 100644 index 0000000000..e21cfb0239 --- /dev/null +++ b/src/arch/armv7/include/common.h @@ -0,0 +1,494 @@ +/* + * (C) Copyright 2000-2009 + * 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 */ + +#ifndef __ASSEMBLER__ /* put C only stuff in this section */ + +typedef unsigned char uchar; +typedef volatile unsigned long vu_long; +typedef volatile unsigned short vu_short; +typedef volatile unsigned char vu_char; +typedef unsigned long ulong; +typedef unsigned int uint; + +//#include <config.h> +//#include <asm-offsets.h> +//#include <linux/bitops.h> +//#include <linux/string.h> +//#include <asm/ptrace.h> +#include <types.h> +//#include <stdarg.h> + +//#include <part.h> +//#include <flash.h> +//#include <image.h> + +#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 */ + +#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) + +#ifndef BUG +#define BUG() do { \ + printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ + panic("BUG!"); \ +} while (0) +#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) +#endif /* BUG */ + +/* Force a compilation error if condition is true */ +#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) + +typedef void (interrupt_handler_t)(void *); + +//#include <asm/u-boot.h> /* boot information for Linux kernel */ +#include <global_data.h> /* global data used for startup functions */ + +/* + * Return the time since boot in microseconds, This is needed for bootstage + * and should be defined in CPU- or board-specific code. If undefined then + * millisecond resolution will be used (the standard get_timer()). + */ +ulong timer_get_boot_us(void); + +/* + * Return the current value of a monotonically increasing microsecond timer. + * Granularity may be larger than 1us if hardware does not support this. + */ +ulong timer_get_us(void); + +/* + * General Purpose Utilities + */ +#if 0 +#define min(X, Y) \ + ({ typeof (X) __x = (X); \ + typeof (Y) __y = (Y); \ + (__x < __y) ? __x : __y; }) + +#define max(X, Y) \ + ({ typeof (X) __x = (X); \ + typeof (Y) __y = (Y); \ + (__x > __y) ? __x : __y; }) +#define MIN(x, y) min(x, y) +#define MAX(x, y) max(x, y) +#endif + +/** + * 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 + */ + +void hang (void) __attribute__ ((noreturn)); + +int init_timer(void); /* FIXME(dhendrix): used to be timer_init() */ +int cpu_init(void); + +/* */ +unsigned long long initdram (int); +int display_options (void); +void print_size(unsigned long long, const char *); +int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); + +/* common/main.c */ +void main_loop (void); +int run_command (const char *cmd, int flag); +int readline (const char *const prompt); +int readline_into_buffer (const char *const prompt, char * buffer); +int parse_line (char *, char *[]); +void init_cmd_timeout(void); +void reset_cmd_timeout(void); + +/* arch/$(ARCH)/lib/board.c */ +void board_init_f (ulong); +//void board_init_f (ulong) __attribute__ ((noreturn)); +void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); +int checkboard (void); +int checkflash (void); +int checkdram (void); +int last_stage_init(void); +extern ulong monitor_flash_len; +int mac_read_from_eeprom(void); + +#ifdef CONFIG_ARM +# include <asm/mach-types.h> +# include <asm/setup.h> +# include <asm/u-boot-arm.h> /* ARM version to be fixed! */ +#endif /* CONFIG_ARM */ + +int misc_init_f (void); +int misc_init_r (void); + +/* common/exports.c */ +void jumptable_init(void); + +/* common/kallsysm.c */ +const char *symbol_lookup(unsigned long addr, unsigned long *caddr); + +/* api/api.c */ +void api_init (void); + +/* common/memsize.c */ +long get_ram_size (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); + +/* + * Set this up regardless of board + * type, to prevent errors. + */ +#if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) +# define CONFIG_SYS_DEF_EEPROM_ADDR 0 +#else +#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) +# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR +#endif +#endif /* CONFIG_SPI || !defined(CONFIG_SYS_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 + +/* $(BOARD)/$(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(CONFIG_SYS_DRAM_TEST) +int testdram(void); +#endif /* CONFIG_SYS_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 mmu_disable(void); +void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); +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) || \ + defined (CONFIG_MPC86xx) || \ + defined (CONFIG_MPC83xx) +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 + +/* $(CPU)/cpu.c */ +static inline int cpumask_next(int cpu, unsigned int mask) +{ + for (cpu++; !((1 << cpu) & mask); cpu++) + ; + + return cpu; +} + +#define for_each_cpu(iter, cpu, num_cpus, mask) \ + for (iter = 0, cpu = cpumask_next(-1, mask); \ + iter < num_cpus; \ + iter++, cpu = cpumask_next(cpu, mask)) \ + +int cpu_numcores (void); +u32 cpu_mask (void); +int is_core_valid (unsigned int); +int probecpu (void); +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); +#if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) +void ft_cpu_setup(void *blob, bd_t *bd); +#endif + + +/* $(CPU)/serial.c */ +int serial_init (void); +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_MPC5xxx) +int prt_mpc5xxx_clks (void); +#endif +#if defined(CONFIG_MPC512X) +int prt_mpc512xxx_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_S3C24X0) || \ + defined(CONFIG_LH7A40X) || \ + defined(CONFIG_S3C6400) || \ + defined(CONFIG_EP93XX) +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); +int get_serial_clock(void); + +struct pt_regs; +/* $(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 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 bootcount_store (ulong); +ulong bootcount_load (void); +#define BOOTCOUNT_MAGIC 0xB001C041 + +/* $(CPU)/.../<eth> */ +void mii_init (void); + +/* $(CPU)/.../lcd.c */ +ulong lcd_setmem (ulong); + +/* $(CPU)/.../video.c */ +ulong video_setmem (ulong); + +/* arch/$(ARCH)/lib/cache.c */ +ulong dcache_get_line_size(void); +void enable_caches(void); +void flush_cache (unsigned long, unsigned long); +void flush_dcache_all(void); +void flush_dcache_range(unsigned long start, unsigned long stop); +void invalidate_dcache_range(unsigned long start, unsigned long stop); +void invalidate_dcache_all(void); +void invalidate_icache_all(void); + +/* arch/$(ARCH)/lib/ticks.S */ +unsigned long long get_ticks(void); +void wait_ticks (unsigned long); + +/* arch/$(ARCH)/lib/time.c */ +void __udelay (unsigned long); +ulong usec2ticks (unsigned long usec); +ulong ticks2usec (unsigned long ticks); +int init_timebase (void); + +/* lib/qsort.c */ +void qsort(void *base, size_t nmemb, size_t size, + int(*compar)(const void *, const void *)); +int strcmp_compar(const void *, const void *); + +/* lib/time.c */ +void udelay (unsigned long); + +#if 0 +/* lib/vsprintf.c */ +ulong simple_strtoul(const char *cp,char **endp,unsigned int base); +int strict_strtoul(const char *cp, unsigned int base, unsigned long *res); +unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); +long simple_strtol(const char *cp,char **endp,unsigned int base); +void panic(const char *fmt, ...) + __attribute__ ((format (__printf__, 1, 2), noreturn)); +int sprintf(char * buf, const char *fmt, ...) + __attribute__ ((format (__printf__, 2, 3))); +int vsprintf(char *buf, const char *fmt, va_list args); +#endif + +/* lib/strmhz.c */ +char * strmhz(char *buf, unsigned long hz); + +/* Multicore arch functions */ +#ifdef CONFIG_MP +int cpu_status(int nr); +int cpu_reset(int nr); +int cpu_disable(int nr); +int cpu_release(int nr, int argc, char * const argv[]); +#endif + +#endif /* __ASSEMBLER__ */ + +/* Put only stuff here that the assembler can digest */ + +#ifdef CONFIG_POST +#define CONFIG_HAS_POST +#ifndef CONFIG_POST_ALT_LIST +#define CONFIG_POST_STD_LIST +#endif +#endif + +#ifdef CONFIG_INIT_CRITICAL +#error CONFIG_INIT_CRITICAL is deprecated! +#error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. +#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)) + +#endif /* __COMMON_H_ */ |