* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __COMMON_H_
#define __COMMON_H_ 1
-#undef _LINUX_CONFIG_H
-#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
-
#ifndef __ASSEMBLY__ /* put C only stuff in this section */
typedef unsigned char uchar;
#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) && !defined(CONFIG_AP1000))
+#if defined(CONFIG_PCI) && defined(CONFIG_4xx)
#include <pci.h>
#endif
#if defined(CONFIG_8xx)
#include <mpc5xxx.h>
#elif defined(CONFIG_MPC512X)
#include <asm/immap_512x.h>
-#elif defined(CONFIG_MPC8220)
-#include <asm/immap_8220.h>
#elif defined(CONFIG_8260)
#if defined(CONFIG_MPC8247) \
|| defined(CONFIG_MPC8248) \
# endif
#endif
-#ifndef CONFIG_SERIAL_MULTI
-
-#if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \
- || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
- || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
-
-#define CONFIG_SERIAL_MULTI 1
-
-#endif
-
-#endif /* CONFIG_SERIAL_MULTI */
-
/*
* General Purpose Utilities
*/
#define min(X, Y) \
- ({ typeof (X) __x = (X); \
- typeof (Y) __y = (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); \
+ ({ 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) || \
phys_size_t initdram (int);
int display_options (void);
void print_size(unsigned long long, const char *);
-int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen);
+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);
-#ifdef CONFIG_CMD_PXE
-int run_command2(const char *cmd, int flag);
-#endif
+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);
-#ifdef CONFIG_MENU
-int abortboot(int bootdelay);
-#endif
extern char console_buffer[];
/* arch/$(ARCH)/lib/board.c */
-void board_init_f (ulong) __attribute__ ((noreturn));
+void board_init_f(ulong);
void board_init_r (gd_t *, ulong) __attribute__ ((noreturn));
int checkboard (void);
int checkflash (void);
int last_stage_init(void);
extern ulong monitor_flash_len;
int mac_read_from_eeprom(void);
-extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */
+extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
int set_cpu_clk_info(void);
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void);
+#else
+static inline int print_cpuinfo(void)
+{
+ return 0;
+}
+#endif
+int update_flash_size(int flash_size);
-/*
- * Called when console output is requested before the console is available.
- * The board should do its best to get the character out to the user any way
- * it can.
+/**
+ * Show the DRAM size in a board-specific way
+ *
+ * This is used by boards to display DRAM information in their own way.
+ *
+ * @param size Size of DRAM (which should be displayed along with other info)
*/
-void board_pre_console_putc(int ch);
+void board_show_dram(ulong size);
+
+/**
+ * arch_fixup_memory_node() - Write arch-specific memory information to fdt
+ *
+ * Defined in arch/$(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_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);
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);
-#ifdef CONFIG_PPC /* ARM version to be fixed! */
-int inline setenv (const char *, const char *);
-#else
int setenv (const char *, const char *);
int setenv_ulong(const char *varname, ulong value);
-int setenv_addr(const char *varname, const void *addr);
-#endif /* CONFIG_PPC */
+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>
#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);
void pci_init_board(void);
void pciinfo (int, int);
-#if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000))
+#if defined(CONFIG_PCI) && defined(CONFIG_4xx)
int pci_pre_init (struct pci_controller *);
int is_pci_host (struct pci_controller *);
#endif
void dcache_enable (void);
void dcache_disable(void);
void mmu_disable(void);
-void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn));
+#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_74x) || \
defined (CONFIG_75x) || \
defined (CONFIG_74xx) || \
- defined (CONFIG_MPC8220) || \
defined (CONFIG_MPC85xx) || \
defined (CONFIG_MPC86xx) || \
defined (CONFIG_MPC83xx)
#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)
{
#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);
#elif defined(CONFIG_MPC5xxx)
int prt_mpc5xxx_clks (void);
#endif
-#if defined(CONFIG_MPC512X)
-int prt_mpc512xxx_clks (void);
-#endif
-#if defined(CONFIG_MPC8220)
-int prt_mpc8220_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_S3C6400) || \
defined(CONFIG_EP93XX)
ulong get_FCLK (void);
ulong get_HCLK (void);
#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;
}
#endif
-#if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
+#if defined(CONFIG_4xx)
# if defined(CONFIG_440)
# if defined(CONFIG_440SPE)
unsigned long determine_sysper(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);
int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
int stoponerr, int offset);
-/* lib/net_utils.c */
-#include <net.h>
-static inline IPaddr_t getenv_IPaddr (char *var)
-{
- return (string_to_ip(getenv(var)));
-}
-
/* lib/qsort.c */
void qsort(void *base, size_t nmemb, size_t size,
int(*compar)(const void *, const void *));
/* lib/crc32.c */
#include <u-boot/crc.h>
+/* lib/rand.c */
+#if defined(CONFIG_RANDOM_MACADDR) || \
+ defined(CONFIG_BOOTP_RANDOM_DELAY) || \
+ defined(CONFIG_CMD_LINK_LOCAL)
+#define RAND_MAX -1U
+void srand(unsigned int seed);
+unsigned int rand(void);
+unsigned int rand_r(unsigned int *seedp);
+#endif
+
/* 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 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_STATUS_LED
# include <status_led.h>
#endif
-/*
- * Board-specific Platform code can reimplement show_boot_progress () if needed
- */
-void show_boot_progress(int val);
+
+#include <bootstage.h>
+
+#ifdef CONFIG_SHOW_ACTIVITY
+void show_activity(int arg);
+#endif
/* Multicore arch functions */
#ifdef CONFIG_MP
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
#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))
* 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) \
- char __##name[ROUND(size * sizeof(type), ARCH_DMA_MINALIGN) + \
- ARCH_DMA_MINALIGN - 1]; \
+ 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); \
\
- type *name = (type *) ALIGN((uintptr_t)__##name, ARCH_DMA_MINALIGN)
+ 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
projects / oweals / u-boot.git / blobdiff