Commit 2e4dcb64 authored by Wolfgang Denk's avatar Wolfgang Denk
Browse files

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

parents 23b7b87a 26eecd24
......@@ -37,10 +37,6 @@
DECLARE_GLOBAL_DATA_PTR;
void flash__init (void);
void ether__init (void);
void peripheral_power_enable (void);
#if defined(CONFIG_SHOW_BOOT_PROGRESS)
void show_boot_progress(int progress)
{
......@@ -82,8 +78,6 @@ int board_init (void)
icache_enable ();
flash__init ();
ether__init ();
return 0;
}
......@@ -94,22 +88,6 @@ int misc_init_r (void)
return (0);
}
/******************************
Routine:
Description:
******************************/
void flash__init (void)
{
}
/*************************************************************
Routine:ether__init
Description: take the Ethernet controller out of reset and wait
for the EEPROM load to complete.
*************************************************************/
void ether__init (void)
{
}
/******************************
Routine:
Description:
......
......@@ -23,6 +23,7 @@
#include <common.h>
#include <asm/arch/mx31-regs.h>
#include <div64.h>
#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
......@@ -38,24 +39,55 @@
#define GPTCR_CLKSOURCE_32 (4 << 6) /* Clock source */
#define GPTCR_TEN 1 /* Timer enable */
static ulong timestamp;
static ulong lastinc;
/* "time" is measured in 1 / CONFIG_SYS_HZ seconds, "tick" is internal timer period */
#ifdef CONFIG_MX31_TIMER_HIGH_PRECISION
/* ~0.4% error - measured with stop-watch on 100s boot-delay */
#define TICK_TO_TIME(t) ((t) * CONFIG_SYS_HZ / CONFIG_MX31_CLK32)
#define TIME_TO_TICK(t) ((unsigned long long)(t) * CONFIG_MX31_CLK32 / CONFIG_SYS_HZ)
#define US_TO_TICK(t) (((unsigned long long)(t) * CONFIG_MX31_CLK32 + \
999999) / 1000000)
static inline unsigned long long tick_to_time(unsigned long long tick)
{
tick *= CONFIG_SYS_HZ;
do_div(tick, CONFIG_MX31_CLK32);
return tick;
}
static inline unsigned long long time_to_tick(unsigned long long time)
{
time *= CONFIG_MX31_CLK32;
do_div(time, CONFIG_SYS_HZ);
return time;
}
static inline unsigned long long us_to_tick(unsigned long long us)
{
us = us * CONFIG_MX31_CLK32 + 999999;
do_div(us, 1000000);
return us;
}
#else
/* ~2% error */
#define TICK_PER_TIME ((CONFIG_MX31_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
#define US_PER_TICK (1000000 / CONFIG_MX31_CLK32)
#define TICK_TO_TIME(t) ((t) / TICK_PER_TIME)
#define TIME_TO_TICK(t) ((unsigned long long)(t) * TICK_PER_TIME)
#define US_TO_TICK(t) (((t) + US_PER_TICK - 1) / US_PER_TICK)
#endif
static ulong timestamp;
static ulong lastinc;
static inline unsigned long long tick_to_time(unsigned long long tick)
{
do_div(tick, TICK_PER_TIME);
return tick;
}
static inline unsigned long long time_to_tick(unsigned long long time)
{
return time * TICK_PER_TIME;
}
static inline unsigned long long us_to_tick(unsigned long long us)
{
us += US_PER_TICK - 1;
do_div(us, US_PER_TICK);
return us;
}
#endif
/* nothing really to do with interrupts, just starts up a counter. */
/* The 32768Hz 32-bit timer overruns in 131072 seconds */
......@@ -107,7 +139,7 @@ ulong get_timer_masked (void)
* 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
* 5 * 10^6 days - long enough.
*/
return TICK_TO_TIME(get_ticks());
return tick_to_time(get_ticks());
}
ulong get_timer (ulong base)
......@@ -117,7 +149,7 @@ ulong get_timer (ulong base)
void set_timer (ulong t)
{
timestamp = TIME_TO_TICK(t);
timestamp = time_to_tick(t);
}
/* delay x useconds AND perserve advance timstamp value */
......@@ -126,7 +158,7 @@ void udelay (unsigned long usec)
unsigned long long tmp;
ulong tmo;
tmo = US_TO_TICK(usec);
tmo = us_to_tick(usec);
tmp = get_ticks() + tmo; /* get current timestamp */
while (get_ticks() < tmp) /* loop till event */
......
......@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
COBJS = interrupts.o cpu.o cpuinfo.o
COBJS = interrupts.o cpu.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
......
......@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
COBJS = timer.o
COBJS = timer.o cpuinfo.o
SOBJS = reset.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
......
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