* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * SPDX-License-Identifier: GPL-2.0+
+ * 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;
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);
/**
/**
* setenv_addr - Set an environment variable to an address in hex
*
- * @varname: Environmet variable to set
+ * @varname: Environment variable to set
* @addr: Value to set it to
* @return 0 if ok, 1 on error
*/
#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);
#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)
{
#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;
{
}
-static inline phys_addr_t map_to_sysmem(void *ptr)
+static inline phys_addr_t map_to_sysmem(const void *ptr)
{
return (phys_addr_t)(uintptr_t)ptr;
}
#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_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) \
+ char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \
+ (align - 1)]; \
\
type *name = (type *) ALIGN((uintptr_t)__##name, align)