#include <stdarg.h>
#include <linux/kernel.h>
-#ifdef CONFIG_SOC_DA8XX
-#include <asm/arch/hardware.h>
-#endif
-#ifdef CONFIG_FSL_LSCH3
-#include <asm/arch/immap_lsch3.h>
-#endif
-#ifdef CONFIG_FSL_LSCH2
-#include <asm/arch/immap_lsch2.h>
-#endif
-
#include <part.h>
#include <flash.h>
#include <image.h>
*/
int arch_fixup_fdt(void *blob);
+int reserve_mmu(void);
/* common/flash.c */
void flash_perror (int);
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);
+/**
+ * env_get() - Look up the value of an environment variable
+ *
+ * In U-Boot proper this can be called before relocation (which is when the
+ * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that
+ * case this function calls env_get_f().
+ *
+ * @varname: Variable to look up
+ * @return value of variable, or NULL if not found
+ */
+char *env_get(const char *varname);
+
+/**
+ * env_get_f() - Look up the value of an environment variable (early)
+ *
+ * This function is called from env_get() if the environment has not been
+ * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will
+ * support reading the value (slowly) and some will not.
+ *
+ * @varname: Variable to look up
+ * @return value of variable, or NULL if not found
+ */
+int env_get_f(const char *name, char *buf, unsigned len);
+
+/**
+ * env_get_ulong() - Return an environment variable as an integer value
+ *
+ * Most U-Boot environment variables store hex values. For those which store
+ * (e.g.) base-10 integers, this function can be used to read the value.
+ *
+ * @name: Variable to look up
+ * @base: Base to use (e.g. 10 for base 10, 2 for binary)
+ * @default_val: Default value to return if no value is found
+ * @return the value found, or @default_val if none
+ */
+ulong env_get_ulong(const char *name, int base, ulong default_val);
/**
- * getenv_hex() - Return an environment variable as a hex value
+ * env_get_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
* @varname: Variable to decode
* @default_val: Value to return on error
*/
-ulong getenv_hex(const char *varname, ulong default_val);
+ulong env_get_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);
+int env_get_yesno(const char *var);
+
+/**
+ * env_set() - set an environment variable
+ *
+ * This sets or deletes the value of an environment variable. For setting the
+ * value the variable is created if it does not already exist.
+ *
+ * @varname: Variable to adjust
+ * @value: Value to set for the variable, or NULL or "" to delete the variable
+ * @return 0 if OK, 1 on error
+ */
+int env_set(const char *varname, const char *value);
+
+/**
+ * env_set_ulong() - set an environment variable to an integer
+ *
+ * @varname: Variable to adjust
+ * @value: Value to set for the variable (will be converted to a string)
+ * @return 0 if OK, 1 on error
+ */
+int env_set_ulong(const char *varname, ulong value);
+
+/**
+ * env_set_hex() - set an environment variable to a hex value
+ *
+ * @varname: Variable to adjust
+ * @value: Value to set for the variable (will be converted to a hex string)
+ * @return 0 if OK, 1 on error
+ */
+int env_set_hex(const char *varname, ulong value);
+
/**
- * setenv_addr - Set an environment variable to an address in hex
+ * env_set_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)
+static inline int env_set_addr(const char *varname, const void *addr)
{
- return setenv_hex(varname, (ulong)addr);
+ return env_set_hex(varname, (ulong)addr);
}
#ifdef CONFIG_AUTO_COMPLETE
void pci_init (void);
void pci_init_board(void);
+#if defined(CONFIG_DTB_RESELECT)
+int embedded_dtb_select(void);
+#endif
+
int misc_init_f (void);
int misc_init_r (void);
ulong get_endaddr (void);
void trap_init (ulong);
-#if defined (CONFIG_MICROBLAZE)
-unsigned short in16(unsigned int);
-void out16(unsigned int, unsigned short value);
-#endif
-
/* $(CPU)/cpu.c */
static inline int cpumask_next(int cpu, unsigned int mask)
{
int serial_getc (void);
int serial_tstc (void);
-/* These versions take a stdio_dev pointer */
-struct stdio_dev;
-int serial_stub_getc(struct stdio_dev *sdev);
-int serial_stub_tstc(struct stdio_dev *sdev);
-
/* $(CPU)/speed.c */
int get_clocks (void);
-#if 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
ulong get_bus_freq (ulong);
int get_serial_clock(void);
/* lib/net_utils.c */
#include <net.h>
-static inline struct in_addr getenv_ip(char *var)
+static inline struct in_addr env_get_ip(char *var)
{
- return string_to_ip(getenv(var));
+ return string_to_ip(env_get(var));
}
int pcmcia_init (void);