diff options
Diffstat (limited to 'qemu/roms/u-boot/include/common.h')
| -rw-r--r-- | qemu/roms/u-boot/include/common.h | 1077 |
1 files changed, 1077 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/include/common.h b/qemu/roms/u-boot/include/common.h new file mode 100644 index 000000000..13e5dc74e --- /dev/null +++ b/qemu/roms/u-boot/include/common.h @@ -0,0 +1,1077 @@ +/* + * (C) Copyright 2000-2009 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __COMMON_H_ +#define __COMMON_H_ 1 + +#ifndef __ASSEMBLY__ /* 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; + +#include <config.h> +#include <asm-offsets.h> +#include <linux/bitops.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/stringify.h> +#include <asm/ptrace.h> +#include <stdarg.h> +#if defined(CONFIG_PCI) && defined(CONFIG_4xx) +#include <pci.h> +#endif +#if defined(CONFIG_8xx) +#include <asm/8xx_immap.h> +#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 <asm/5xx_immap.h> +#elif defined(CONFIG_MPC5xxx) +#include <mpc5xxx.h> +#elif defined(CONFIG_MPC512X) +#include <asm/immap_512x.h> +#elif defined(CONFIG_MPC8260) +#if defined(CONFIG_MPC8247) \ + || defined(CONFIG_MPC8248) \ + || defined(CONFIG_MPC8271) \ + || defined(CONFIG_MPC8272) +#define CONFIG_MPC8272_FAMILY 1 +#endif +#include <asm/immap_8260.h> +#endif +#ifdef CONFIG_MPC86xx +#include <mpc86xx.h> +#include <asm/immap_86xx.h> +#endif +#ifdef CONFIG_MPC85xx +#include <mpc85xx.h> +#include <asm/immap_85xx.h> +#endif +#ifdef CONFIG_MPC83xx +#include <mpc83xx.h> +#include <asm/immap_83xx.h> +#endif +#ifdef CONFIG_4xx +#include <asm/ppc4xx.h> +#endif +#ifdef CONFIG_HYMOD +#include <board/hymod/hymod.h> +#endif +#ifdef CONFIG_ARM +#define asmlinkage /* nothing */ +#endif +#ifdef CONFIG_BLACKFIN +#include <asm/blackfin.h> +#endif +#ifdef CONFIG_SOC_DA8XX +#include <asm/arch/hardware.h> +#endif + +#include <part.h> +#include <flash.h> +#include <image.h> + +#ifdef __LP64__ +#define CONFIG_SYS_SUPPORT_64BIT_DATA +#endif + +#ifdef DEBUG +#define _DEBUG 1 +#else +#define _DEBUG 0 +#endif + +/* + * Output a debug text when condition "cond" is met. The "cond" should be + * computed by a preprocessor in the best case, allowing for the best + * optimization. + */ +#define debug_cond(cond, fmt, args...) \ + do { \ + if (cond) \ + printf(fmt, ##args); \ + } while (0) + +#define debug(fmt, args...) \ + debug_cond(_DEBUG, fmt, ##args) + +/* + * 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 <asm/global_data.h> /* 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 + * and for the TQM885D board + */ +#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) || \ + defined(CONFIG_TQM885D) +# ifndef CONFIG_TQM8xxL +# define CONFIG_TQM8xxL +# endif +#endif + +/* + * General Purpose Utilities + */ +#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) + +#define min3(X, Y, Z) \ + ({ typeof(X) __x = (X); \ + typeof(Y) __y = (Y); \ + typeof(Z) __z = (Z); \ + __x < __y ? (__x < __z ? __x : __z) : \ + (__y < __z ? __y : __z); }) + +#define max3(X, Y, Z) \ + ({ typeof(X) __x = (X); \ + typeof(Y) __y = (Y); \ + typeof(Z) __z = (Z); \ + __x > __y ? (__x > __z ? __x : __z) : \ + (__y > __z ? __y : __z); }) + +#define MIN3(x, y, z) min3(x, y, z) +#define MAX3(x, y, z) max3(x, y, z) + +/* + * Return the absolute value of a number. + * + * This handles unsigned and signed longs, ints, shorts and chars. For all + * input types abs() returns a signed long. + * + * For 64-bit types, use abs64() + */ +#define abs(x) ({ \ + long ret; \ + if (sizeof(x) == sizeof(long)) { \ + long __x = (x); \ + ret = (__x < 0) ? -__x : __x; \ + } else { \ + int __x = (x); \ + ret = (__x < 0) ? -__x : __x; \ + } \ + ret; \ + }) + +#define abs64(x) ({ \ + s64 __x = (x); \ + (__x < 0) ? -__x : __x; \ + }) + +#if defined(CONFIG_ENV_IS_EMBEDDED) +#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN +#elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ + (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ + defined(CONFIG_ENV_IS_IN_NVRAM) +#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) +#else +#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN +#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 timer_init(void); +int cpu_init(void); + +/* */ +phys_size_t initdram (int); +int display_options (void); +void print_size(unsigned long long, const char *); +int print_buffer(ulong addr, const void *data, uint width, uint count, + uint linelen); + +/* common/main.c */ +void main_loop (void); +int run_command(const char *cmd, int flag); + +/** + * Run a list of commands separated by ; or even \0 + * + * Note that if 'len' is not -1, then the command does not need to be nul + * terminated, Memory will be allocated for the command in that case. + * + * @param cmd List of commands to run, each separated bu semicolon + * @param len Length of commands excluding terminator if known (-1 if not) + * @param flag Execution flags (CMD_FLAG_...) + * @return 0 on success, or != 0 on error. + */ +int run_command_list(const char *cmd, int len, int flag); +int readline (const char *const prompt); +int readline_into_buffer(const char *const prompt, char *buffer, + int timeout); +int parse_line (char *, char *[]); +void init_cmd_timeout(void); +void reset_cmd_timeout(void); +extern char console_buffer[]; + +/* arch/$(ARCH)/lib/board.c */ +void board_init_f(ulong); +void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); +int checkboard (void); +int checkflash (void); +int checkdram (void); +int last_stage_init(void); +extern ulong monitor_flash_len; +int mac_read_from_eeprom(void); +extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ +int set_cpu_clk_info(void); +#if defined(CONFIG_DISPLAY_CPUINFO) +int print_cpuinfo(void); +#else +static inline int print_cpuinfo(void) +{ + return 0; +} +#endif +int update_flash_size(int flash_size); +int arch_early_init_r(void); + +/** + * Show the DRAM size in a board-specific way + * + * This is used by boards to display DRAM information in their own way. + * + * @param size Size of DRAM (which should be displayed along with other info) + */ +void board_show_dram(ulong size); + +/** + * arch_fixup_memory_node() - Write arch-specific memory information to fdt + * + * Defined in arch/$(ARCH)/lib/bootm.c + * + * @blob: FDT blob to write to + * @return 0 if ok, or -ve FDT_ERR_... on failure + */ +int arch_fixup_memory_node(void *blob); + +/* common/flash.c */ +void flash_perror (int); + +/* common/cmd_source.c */ +int source (ulong addr, const char *fit_uname); + +extern ulong load_addr; /* Default Load Address */ +extern ulong save_addr; /* Default Save Address */ +extern ulong save_size; /* Default Save Size */ + +/* common/cmd_doc.c */ +void doc_probe(unsigned long physadr); + +/* common/cmd_net.c */ +int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); + +/* common/cmd_fat.c */ +int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); + +/* common/cmd_ext2.c */ +int do_ext2load(cmd_tbl_t *, int, int, char * const []); + +/* common/cmd_nvedit.c */ +int env_init (void); +void env_relocate (void); +int envmatch (uchar *, int); + +/* Avoid unfortunate conflict with libc's getenv() */ +#ifdef CONFIG_SANDBOX +#define getenv uboot_getenv +#endif +char *getenv (const char *); +int getenv_f (const char *name, char *buf, unsigned len); +ulong getenv_ulong(const char *name, int base, ulong default_val); + +/** + * getenv_hex() - Return an environment variable as a hex value + * + * Decode an environment as a hex number (it may or may not have a 0x + * prefix). If the environment variable cannot be found, or does not start + * with hex digits, the default value is returned. + * + * @varname: Variable to decode + * @default_val: Value to return on error + */ +ulong getenv_hex(const char *varname, ulong default_val); + +/* + * Read an environment variable as a boolean + * Return -1 if variable does not exist (default to true) + */ +int getenv_yesno(const char *var); +int saveenv (void); +int setenv (const char *, const char *); +int setenv_ulong(const char *varname, ulong value); +int setenv_hex(const char *varname, ulong value); +/** + * setenv_addr - Set an environment variable to an address in hex + * + * @varname: Environment variable to set + * @addr: Value to set it to + * @return 0 if ok, 1 on error + */ +static inline int setenv_addr(const char *varname, const void *addr) +{ + return setenv_hex(varname, (ulong)addr); +} + +#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 */ +#ifdef CONFIG_X86 /* x86 version to be fixed! */ +# include <asm/u-boot-x86.h> +#endif /* CONFIG_X86 */ +#ifdef CONFIG_SANDBOX +# include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ +#endif +#ifdef CONFIG_NDS32 +# include <asm/mach-types.h> +# include <asm/setup.h> +# include <asm/u-boot-nds32.h> +#endif /* CONFIG_NDS32 */ +#ifdef CONFIG_MIPS +# include <asm/u-boot-mips.h> +#endif /* CONFIG_MIPS */ +#ifdef CONFIG_ARC +# include <asm/u-boot-arc.h> +#endif /* CONFIG_ARC */ + +#ifdef CONFIG_AUTO_COMPLETE +int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); +#endif +int get_env_id (void); + +void pci_init (void); +void pci_init_board(void); +void pciinfo (int, int); + +#if defined(CONFIG_PCI) && defined(CONFIG_4xx) + int pci_pre_init (struct pci_controller *); + int is_pci_host (struct pci_controller *); +#endif + +#if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) +# if defined(CONFIG_SYS_PCI_TARGET_INIT) + void pci_target_init (struct pci_controller *); +# endif +# if defined(CONFIG_SYS_PCI_MASTER_INIT) + void pci_master_init (struct pci_controller *); +# endif +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_405EX) + void pcie_setup_hoses(int busno); +#endif +#endif + +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); +phys_size_t get_effective_memsize(void); + +/* $(BOARD)/$(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(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 + +void rpxlite_init (void); + +#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 + +/* $(BOARD)/$(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); +#if defined(CONFIG_ARM) +void relocate_code(ulong); +#else +void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); +#endif +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_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 +#if defined (CONFIG_MICROBLAZE) +unsigned short in16(unsigned int); +void out16(unsigned int, unsigned short value); +#endif + +#if defined (CONFIG_MPC83xx) +void ppcDWload(unsigned int *addr, unsigned int *ret); +void ppcDWstore(unsigned int *addr, unsigned int *value); +void disable_addr_trans(void); +void enable_addr_trans(void); +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) +void ddr_enable_ecc(unsigned int dram_size); +#endif +#endif + +/* + * 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); + +/* $(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); +#ifdef CONFIG_PCI +void ft_pci_setup(void *blob, bd_t *bd); +#endif +#endif + +void smp_set_core_boot_addr(unsigned long addr, int corenr); +void smp_kick_all_cpus(void); + +/* $(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_MPC8260) +int prt_8260_clks (void); +#elif defined(CONFIG_MPC5xxx) +int prt_mpc5xxx_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_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_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); + +#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) +ulong get_ddr_freq(ulong); +#endif +#if defined(CONFIG_MPC85xx) +typedef MPC85xx_SYS_INFO sys_info_t; +void get_sys_info ( sys_info_t * ); +# if defined(CONFIG_OF_LIBFDT) + void ft_fixup_cpu(void *, u64); + void ft_fixup_num_cores(void *); +# endif +#endif +#if defined(CONFIG_MPC86xx) +typedef MPC86xx_SYS_INFO sys_info_t; +void get_sys_info ( sys_info_t * ); +static inline ulong get_ddr_freq(ulong dummy) +{ + return get_bus_freq(dummy); +} +#endif + +#if defined(CONFIG_4xx) +# if defined(CONFIG_440) +# if defined(CONFIG_440SPE) + unsigned long determine_sysper(void); + unsigned long determine_pci_clock_per(void); +# endif +# endif +typedef PPC4xx_SYS_INFO sys_info_t; +int ppc440spe_revB(void); +void get_sys_info ( sys_info_t * ); +#endif + +/* $(CPU)/cpu_init.c */ +#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) +void cpu_init_f (volatile immap_t *immr); +#endif +#if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) +void cpu_init_f (void); +#endif +#ifdef CONFIG_MPC85xx +ulong cpu_init_f(void); +#endif + +int cpu_init_r (void); +#if defined(CONFIG_MPC8260) +int prt_8260_rsr (void); +#elif defined(CONFIG_MPC83xx) +int prt_83xx_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); + +/* Return value of monotonic microsecond timer */ +unsigned long timer_get_us(void); + +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 */ +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/gunzip.c */ +int gunzip(void *, int, unsigned char *, unsigned long *); +int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, + int stoponerr, int offset); + +/* 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); +void mdelay(unsigned long); + +/* lib/uuid.c */ +#include <uuid.h> + +/* lib/vsprintf.c */ +#include <vsprintf.h> + +/* lib/strmhz.c */ +char * strmhz(char *buf, unsigned long hz); + +/* lib/crc32.c */ +#include <u-boot/crc.h> + +/* lib/rand.c */ +#define RAND_MAX -1U +void srand(unsigned int seed); +unsigned int rand(void); +unsigned int rand_r(unsigned int *seedp); + +/* 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, const 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 */ +int serial_printf (const char *fmt, ...) + __attribute__ ((format (__printf__, 1, 2))); +/* stdin */ +int getc(void); +int tstc(void); + +/* stdout */ +void putc(const char c); +void puts(const char *s); +int printf(const char *fmt, ...) + __attribute__ ((format (__printf__, 1, 2))); +int 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 + +int fprintf(int file, const char *fmt, ...) + __attribute__ ((format (__printf__, 2, 3))); +void fputs(int file, const char *s); +void fputc(int file, const char c); +int ftstc(int file); +int fgetc(int file); + +/* lib/gzip.c */ +int gzip(void *dst, unsigned long *lenp, + unsigned char *src, unsigned long srclen); +int zzip(void *dst, unsigned long *lenp, unsigned char *src, + unsigned long srclen, int stoponerr, + int (*func)(unsigned long, unsigned long)); + +/* lib/net_utils.c */ +#include <net.h> +static inline IPaddr_t getenv_IPaddr(char *var) +{ + return string_to_ip(getenv(var)); +} + +/* + * CONSOLE multiplexing. + */ +#ifdef CONFIG_CONSOLE_MUX +#include <iomux.h> +#endif + +int pcmcia_init (void); + +#ifdef CONFIG_STATUS_LED +# include <status_led.h> +#endif + +#include <bootstage.h> + +#ifdef CONFIG_SHOW_ACTIVITY +void show_activity(int arg); +#endif + +/* 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 + +/* Define a null map_sysmem() if the architecture doesn't use it */ +# ifndef CONFIG_ARCH_MAP_SYSMEM +static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) +{ + return (void *)(uintptr_t)paddr; +} + +static inline void unmap_sysmem(const void *vaddr) +{ +} + +static inline phys_addr_t map_to_sysmem(const void *ptr) +{ + return (phys_addr_t)(uintptr_t)ptr; +} +# endif + +#endif /* __ASSEMBLY__ */ + +#ifdef CONFIG_PPC +/* + * Has to be included outside of the #ifndef __ASSEMBLY__ section. + * Otherwise might lead to compilation errors in assembler files. + */ +#include <asm/cache.h> +#endif + +/* 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)) + +/* + * Divide positive or negative dividend by positive divisor and round + * to closest integer. Result is undefined for negative divisors and + * for negative dividends if the divisor variable type is unsigned. + */ +#define DIV_ROUND_CLOSEST(x, divisor)( \ +{ \ + typeof(x) __x = x; \ + typeof(divisor) __d = divisor; \ + (((typeof(x))-1) > 0 || \ + ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ + (((__x) + ((__d) / 2)) / (__d)) : \ + (((__x) - ((__d) / 2)) / (__d)); \ +} \ +) + +#define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) +#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) + +/* + * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It + * is used to align DMA buffers. + */ +#ifndef __ASSEMBLY__ +#include <asm/cache.h> +#endif + +/* + * 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 PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) +#define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) +#define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ + char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ + + (align - 1)]; \ + \ + type *name = (type *) ALIGN((uintptr_t)__##name, align) +#define ALLOC_ALIGN_BUFFER(type, name, size, align) \ + ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) +#define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ + ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) +#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)] \ + __aligned(align); \ + \ + static type *name = (type *)__##name +#define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ + DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) + +/* Pull in stuff for the build system */ +#ifdef DO_DEPS_ONLY +# include <environment.h> +#endif + +#endif /* __COMMON_H_ */ |