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microwatt/litedram/gen-src/sdram_init/include/system.h

40 lines
877 B
C

#ifndef __SYSTEM_H
#define __SYSTEM_H
#include "microwatt_soc.h"
#include "io.h"
#define CSR_ACCESSORS_DEFINED
#define CSR_BASE DRAM_CTRL_BASE
#define CONFIG_CPU_NOP "nop"
extern void flush_cpu_dcache(void);
extern void flush_cpu_icache(void);
static inline void flush_l2_cache(void) { }
/* Fake timer stuff. LiteX should abstract this */
static inline void timer0_en_write(int e) { }
static inline void timer0_reload_write(int r) { }
static inline void timer0_load_write(int l) { }
static inline void timer0_update_value_write(int v) { }
static inline uint64_t timer0_value_read(void)
{
uint64_t val;
__asm__ volatile ("mfdec %0" : "=r" (val));
return val;
}
static inline void csr_write_simple(unsigned long v, unsigned long a)
{
return writel(v, a);
}
static inline unsigned long csr_read_simple(unsigned long a)
{
return readl(a);
}
#endif /* __SYSTEM_H */