提交 5c877b1a 编写于 作者: W Wolfgang Denk

Merge branch 'master' of git://git.denx.de/u-boot-nios

* 'master' of git://git.denx.de/u-boot-nios:
  nios2 - adjust gbl data off to account for bd_info
  nios2: implement get_ticks and get_tbclk
  nios2: add flush_dcache_range function
......@@ -98,6 +98,27 @@ ulong get_timer (ulong base)
return (timestamp - base);
}
/*
* This function is derived from Blackfin code (read timebase as long long).
* On Nios2 it just returns the timer value.
*/
unsigned long long get_ticks(void)
{
return get_timer(0);
}
/*
* This function is derived from Blackfin code.
* On Nios2 it returns the number of timer ticks per second.
*/
ulong get_tbclk(void)
{
ulong tbclk;
tbclk = CONFIG_SYS_HZ;
return tbclk;
}
/* The board must handle this interrupt if a timer is not
* provided.
*/
......
......@@ -48,6 +48,16 @@ flush_icache:
bltu r4, r5, 1b
ret
.global flush_dcache_range
flush_dcache_range:
movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
0: flushd 0(r4)
add r4, r4, r8
bltu r4, r5, 0b
ret
.global flush_cache
flush_cache:
......
......@@ -131,7 +131,8 @@
#define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - \
CONFIG_SYS_MALLOC_LEN)
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_MALLOC_BASE - \
GENERATED_GBL_DATA_SIZE)
GENERATED_GBL_DATA_SIZE - \
GENERATED_BD_INFO_SIZE)
#define CONFIG_SYS_INIT_SP CONFIG_SYS_GBL_DATA_OFFSET
/*
......
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