X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fboot%2Fops.h;h=b3218ce451bb9be8081dd77cc75f0a3114468be1;hb=a76117dfd687ec4be0a9a05214f3009cc5f73a42;hp=a10bf5a153d5f2f726442e360ace6796b4ad3824;hpb=a73ac50c4787b1b28d5c94bb18c60352f5dd7d6f;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index a10bf5a..b3218ce 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -40,13 +40,17 @@ struct dt_ops { const int buflen); int (*setprop)(const void *phandle, const char *name, const void *buf, const int buflen); + int (*del_node)(const void *phandle); void *(*get_parent)(const void *phandle); /* The node must not already exist. */ void *(*create_node)(const void *parent, const char *name); void *(*find_node_by_prop_value)(const void *prev, const char *propname, const char *propval, int proplen); + void *(*find_node_by_compatible)(const void *prev, + const char *compat); unsigned long (*finalize)(void); + char *(*get_path)(const void *phandle, char *buf, int len); }; extern struct dt_ops dt_ops; @@ -78,16 +82,21 @@ struct loader_info { extern struct loader_info loader_info; void start(void); -int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device); +void fdt_init(void *blob); int serial_console_init(void); int ns16550_console_init(void *devp, struct serial_console_data *scdp); int mpsc_console_init(void *devp, struct serial_console_data *scdp); +int cpm_console_init(void *devp, struct serial_console_data *scdp); +int mpc5200_psc_console_init(void *devp, struct serial_console_data *scdp); +int uartlite_console_init(void *devp, struct serial_console_data *scdp); void *simple_alloc_init(char *base, unsigned long heap_size, unsigned long granularity, unsigned long max_allocs); extern void flush_cache(void *, unsigned long); int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size); int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr); int dt_is_compatible(void *node, const char *compat); +void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize); +int dt_get_virtual_reg(void *node, void **addr, int nres); static inline void *finddevice(const char *name) { @@ -118,6 +127,11 @@ static inline int setprop_str(void *devp, const char *name, const char *buf) return -1; } +static inline int del_node(const void *devp) +{ + return dt_ops.del_node ? dt_ops.del_node(devp) : -1; +} + static inline void *get_parent(const char *devp) { return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL; @@ -154,9 +168,33 @@ static inline void *find_node_by_devtype(const void *prev, return find_node_by_prop_value_str(prev, "device_type", type); } +static inline void *find_node_by_alias(const char *alias) +{ + void *devp = finddevice("/aliases"); + + if (devp) { + char path[MAX_PATH_LEN]; + if (getprop(devp, alias, path, MAX_PATH_LEN) > 0) + return finddevice(path); + } + + return NULL; +} + +static inline void *find_node_by_compatible(const void *prev, + const char *compat) +{ + if (dt_ops.find_node_by_compatible) + return dt_ops.find_node_by_compatible(prev, compat); + + return NULL; +} + void dt_fixup_memory(u64 start, u64 size); void dt_fixup_cpu_clocks(u32 cpufreq, u32 tbfreq, u32 busfreq); void dt_fixup_clock(const char *path, u32 freq); +void dt_fixup_mac_address_by_alias(const char *alias, const u8 *addr); +void dt_fixup_mac_address(u32 index, const u8 *addr); void __dt_fixup_mac_addresses(u32 startindex, ...); #define dt_fixup_mac_addresses(...) \ __dt_fixup_mac_addresses(0, __VA_ARGS__, NULL) @@ -168,6 +206,14 @@ static inline void *find_node_by_linuxphandle(const u32 linuxphandle) (char *)&linuxphandle, sizeof(u32)); } +static inline char *get_path(const void *phandle, char *buf, int len) +{ + if (dt_ops.get_path) + return dt_ops.get_path(phandle, buf, len); + + return NULL; +} + static inline void *malloc(unsigned long size) { return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL; @@ -193,5 +239,24 @@ static inline void exit(void) void *_platform_stack_top = _bss_stack + sizeof(_bss_stack); extern unsigned long timebase_period_ns; +void udelay(long delay); + +extern char _start[]; +extern char __bss_start[]; +extern char _end[]; +extern char _vmlinux_start[]; +extern char _vmlinux_end[]; +extern char _initrd_start[]; +extern char _initrd_end[]; +extern char _dtb_start[]; +extern char _dtb_end[]; + +static inline __attribute__((const)) +int __ilog2_u32(u32 n) +{ + int bit; + asm ("cntlzw %0,%1" : "=r" (bit) : "r" (n)); + return 31 - bit; +} #endif /* _PPC_BOOT_OPS_H_ */