diff options
Diffstat (limited to 'arch/powerpc/boot/ops.h')
-rw-r--r-- | arch/powerpc/boot/ops.h | 103 |
1 files changed, 96 insertions, 7 deletions
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 8abb6516bb7..73bd47a3a07 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -11,7 +11,9 @@ #ifndef _PPC_BOOT_OPS_H_ #define _PPC_BOOT_OPS_H_ +#include <stddef.h> #include "types.h" +#include "string.h" #define COMMAND_LINE_SIZE 512 #define MAX_PATH_LEN 256 @@ -21,10 +23,11 @@ struct platform_ops { void (*fixups)(void); void (*image_hdr)(const void *); - void * (*malloc)(u32 size); + void * (*malloc)(unsigned long size); void (*free)(void *ptr); void * (*realloc)(void *ptr, unsigned long size); void (*exit)(void); + void * (*vmlinux_alloc)(unsigned long size); }; extern struct platform_ops platform_ops; @@ -35,6 +38,12 @@ struct dt_ops { const int buflen); int (*setprop)(const void *phandle, const char *name, const void *buf, const int buflen); + 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); unsigned long (*finalize)(void); }; extern struct dt_ops dt_ops; @@ -58,13 +67,23 @@ struct serial_console_data { void (*close)(void); }; -int platform_init(void *promptr, char *dt_blob_start, char *dt_blob_end); +struct loader_info { + void *promptr; + unsigned long initrd_addr, initrd_size; + char *cmdline; + int cmdline_len; +}; +extern struct loader_info loader_info; + +void start(void); int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device); int serial_console_init(void); int ns16550_console_init(void *devp, struct serial_console_data *scdp); -void *simple_alloc_init(char *base, u32 heap_size, u32 granularity, - u32 max_allocs); - +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); static inline void *finddevice(const char *name) { @@ -76,12 +95,76 @@ static inline int getprop(void *devp, const char *name, void *buf, int buflen) return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1; } -static inline int setprop(void *devp, const char *name, void *buf, int buflen) +static inline int setprop(void *devp, const char *name, + const void *buf, int buflen) { return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1; } +#define setprop_val(devp, name, val) \ + do { \ + typeof(val) x = (val); \ + setprop((devp), (name), &x, sizeof(x)); \ + } while (0) + +static inline int setprop_str(void *devp, const char *name, const char *buf) +{ + if (dt_ops.setprop) + return dt_ops.setprop(devp, name, buf, strlen(buf) + 1); + + return -1; +} + +static inline void *get_parent(const char *devp) +{ + return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL; +} + +static inline void *create_node(const void *parent, const char *name) +{ + return dt_ops.create_node ? dt_ops.create_node(parent, name) : NULL; +} + -static inline void *malloc(u32 size) +static inline void *find_node_by_prop_value(const void *prev, + const char *propname, + const char *propval, int proplen) +{ + if (dt_ops.find_node_by_prop_value) + return dt_ops.find_node_by_prop_value(prev, propname, + propval, proplen); + + return NULL; +} + +static inline void *find_node_by_prop_value_str(const void *prev, + const char *propname, + const char *propval) +{ + return find_node_by_prop_value(prev, propname, propval, + strlen(propval) + 1); +} + +static inline void *find_node_by_devtype(const void *prev, + const char *type) +{ + return find_node_by_prop_value_str(prev, "device_type", type); +} + +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_addresses(u32 startindex, ...); +#define dt_fixup_mac_addresses(...) \ + __dt_fixup_mac_addresses(0, __VA_ARGS__, NULL) + + +static inline void *find_node_by_linuxphandle(const u32 linuxphandle) +{ + return find_node_by_prop_value(NULL, "linux,phandle", + (char *)&linuxphandle, sizeof(u32)); +} + +static inline void *malloc(unsigned long size) { return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL; } @@ -98,5 +181,11 @@ static inline void exit(void) platform_ops.exit(); for(;;); } +#define fatal(args...) { printf(args); exit(); } + + +#define BSS_STACK(size) \ + static char _bss_stack[size]; \ + void *_platform_stack_top = _bss_stack + sizeof(_bss_stack); #endif /* _PPC_BOOT_OPS_H_ */ |