X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fcommon.h;h=c48e5bc11bf5b7ffe1d6f4314a17aa431b247b9a;hb=bb9b2a33d68453200dfcc139877a24524753a0fb;hp=97c8f79fc7375706c07af06c752c424e196a083d;hpb=ade8bc14ad419f698406b162c9c5dfeee7406b4c;p=karo-tx-uboot.git diff --git a/include/common.h b/include/common.h index 97c8f79fc7..c48e5bc11b 100644 --- a/include/common.h +++ b/include/common.h @@ -183,6 +183,7 @@ typedef void (interrupt_handler_t)(void *); /* * Function Prototypes */ +int dram_init(void); void hang (void) __attribute__ ((noreturn)); @@ -191,22 +192,8 @@ int cpu_init(void); /* */ phys_size_t initdram (int); -int display_options (void); -/** - * print_size() - Print a size with a suffic - * - * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", - * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string - * (like "\n") - * - * @size: Size to print - * @suffix String to print after the size - */ -void print_size(uint64_t size, const char *suffix); - -int print_buffer(ulong addr, const void *data, uint width, uint count, - uint linelen); +#include /* common/main.c */ void main_loop (void); @@ -230,6 +217,49 @@ extern char console_buffer[]; /* arch/$(ARCH)/lib/board.c */ void board_init_f(ulong); void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); + +/** + * board_init_f_mem() - Allocate global data and set stack position + * + * This function is called by each architecture very early in the start-up + * code to set up the environment for board_init_f(). It allocates space for + * global_data (see include/asm-generic/global_data.h) and places the stack + * below this. + * + * This function requires a stack[1] Normally this is at @top. The function + * starts allocating space from 64 bytes below @top. First it creates space + * for global_data. Then it calls arch_setup_gd() which sets gd to point to + * the global_data space and can reserve additional bytes of space if + * required). Finally it allocates early malloc() memory + * (CONFIG_SYS_MALLOC_F_LEN). The new top of the stack is just below this, + * and it returned by this function. + * + * [1] Strictly speaking it would be possible to implement this function + * in C on many archs such that it does not require a stack. However this + * does not seem hugely important as only 64 byte are wasted. The 64 bytes + * are used to handle the calling standard which generally requires pushing + * addresses or registers onto the stack. We should be able to get away with + * less if this becomes important. + * + * @top: Top of available memory, also normally the top of the stack + * @return: New stack location + */ +ulong board_init_f_mem(ulong top); + +/** + * arch_setup_gd() - Set up the global_data pointer + * + * This pointer is special in some architectures and cannot easily be assigned + * to. For example on x86 it is implemented by adding a specific record to its + * Global Descriptor Table! So we we provide a function to carry out this task. + * For most architectures this can simply be: + * + * gd = gd_ptr; + * + * @gd_ptr: Pointer to global data + */ +void arch_setup_gd(gd_t *gd_ptr); + int checkboard(void); int show_board_info(void); int checkflash(void); @@ -251,6 +281,35 @@ static inline int print_cpuinfo(void) int update_flash_size(int flash_size); int arch_early_init_r(void); +/** + * arch_cpu_init_dm() - init CPU after driver model is available + * + * This is called immediately after driver model is available before + * relocation. This is similar to arch_cpu_init() but is able to reference + * devices + * + * @return 0 if OK, -ve on error + */ +int arch_cpu_init_dm(void); + +/** + * Reserve all necessary stacks + * + * This is used in generic board init sequence in common/board_f.c. Each + * architecture could provide this function to tailor the required stacks. + * + * On entry gd->start_addr_sp is pointing to the suggested top of the stack. + * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures + * require only this can leave it untouched. + * + * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective + * positions of the stack. The stack pointer(s) will be set to this later. + * gd->irq_sp is only required, if the architecture needs it. + * + * @return 0 if no error + */ +__weak int arch_reserve_stacks(void); + /** * Show the DRAM size in a board-specific way * @@ -258,7 +317,7 @@ int arch_early_init_r(void); * * @param size Size of DRAM (which should be displayed along with other info) */ -void board_show_dram(ulong size); +void board_show_dram(phys_size_t size); /** * arch_fixup_fdt() - Write arch-specific information to fdt @@ -452,7 +511,6 @@ int testdram(void); defined(CONFIG_8xx) uint get_immr (uint); #endif -uint get_pir (void); #if defined(CONFIG_MPC5xxx) uint get_svr (void); #endif @@ -534,7 +592,9 @@ static inline int cpumask_next(int cpu, unsigned int mask) iter++, cpu = cpumask_next(cpu, mask)) \ int cpu_numcores (void); +int cpu_num_dspcores(void); u32 cpu_mask (void); +u32 cpu_dsp_mask(void); int is_core_valid (unsigned int); int probecpu (void); int checkcpu (void); @@ -697,6 +757,21 @@ void invalidate_dcache_range(unsigned long start, unsigned long stop); void invalidate_dcache_all(void); void invalidate_icache_all(void); +enum { + /* Disable caches (else flush caches but leave them active) */ + CBL_DISABLE_CACHES = 1 << 0, + CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, + + CBL_ALL = 3, +}; + +/** + * Clean up ready for linux + * + * @param flags Flags to control what is done + */ +int cleanup_before_linux_select(int flags); + /* arch/$(ARCH)/lib/ticks.S */ uint64_t get_ticks(void); void wait_ticks (unsigned long); @@ -712,6 +787,45 @@ int gunzip(void *, int, unsigned char *, unsigned long *); int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, int stoponerr, int offset); +/** + * gzwrite progress indicators: defined weak to allow board-specific + * overrides: + * + * gzwrite_progress_init called on startup + * gzwrite_progress called during decompress/write loop + * gzwrite_progress_finish called at end of loop to + * indicate success (retcode=0) or failure + */ +void gzwrite_progress_init(u64 expected_size); + +void gzwrite_progress(int iteration, + u64 bytes_written, + u64 total_bytes); + +void gzwrite_progress_finish(int retcode, + u64 totalwritten, + u64 totalsize, + u32 expected_crc, + u32 calculated_crc); + +/** + * decompress and write gzipped image from memory to block device + * + * @param src compressed image address + * @param len compressed image length in bytes + * @param dev block device descriptor + * @param szwritebuf bytes per write (pad to erase size) + * @param startoffs offset in bytes of first write + * @param szexpected expected uncompressed length + * may be zero to use gzip trailer + * for files under 4GiB + */ +int gzwrite(unsigned char *src, int len, + struct block_dev_desc *dev, + unsigned long szwritebuf, + u64 startoffs, + u64 szexpected); + /* lib/qsort.c */ void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *)); @@ -759,11 +873,18 @@ int getc(void); int tstc(void); /* stdout */ +#if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SERIAL_SUPPORT) +#define putc(...) do { } while (0) +#define puts(...) do { } while (0) +#define printf(...) do { } while (0) +#define vprintf(...) do { } while (0) +#else 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); +#endif /* stderr */ #define eputc(c) fputc(stderr, c) @@ -794,7 +915,7 @@ int zzip(void *dst, unsigned long *lenp, unsigned char *src, /* lib/net_utils.c */ #include -static inline IPaddr_t getenv_IPaddr(char *var) +static inline struct in_addr getenv_ip(char *var) { return string_to_ip(getenv(var)); } @@ -826,23 +947,6 @@ 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 @@ -956,6 +1060,24 @@ static inline phys_addr_t map_to_sysmem(const void *ptr) #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) +/* + * check_member() - Check the offset of a structure member + * + * @structure: Name of structure (e.g. global_data) + * @member: Name of member (e.g. baudrate) + * @offset: Expected offset in bytes + */ +#define check_member(structure, member, offset) _Static_assert( \ + offsetof(struct structure, member) == offset, \ + "`struct " #structure "` offset for `" #member "` is not " #offset) + +/* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ +#ifdef CONFIG_EFI_STUB +#define ll_boot_init() false +#else +#define ll_boot_init() true +#endif + /* Pull in stuff for the build system */ #ifdef DO_DEPS_ONLY # include