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authorSimon Glass <sjg@chromium.org>2012-12-13 20:48:32 +0000
committerTom Rini <trini@ti.com>2013-02-01 15:07:49 -0500
commitb339051c0d45599c3c874141c52d912d78991dd4 (patch)
tree1a78d10e99fe38a735ef9de3884709b1f3966059 /arch/arm
parentf47e6ecd5d0cca61602a3d569b40a99d0bb7604a (diff)
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arm: Move timer_rate_hz into arch_global_data
Move this field into arch_global_data and tidy up. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/arm920t/a320/timer.c8
-rw-r--r--arch/arm/cpu/arm920t/s3c24x0/timer.c4
-rw-r--r--arch/arm/cpu/arm926ejs/at91/timer.c8
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/timer.c9
-rw-r--r--arch/arm/include/asm/global_data.h3
5 files changed, 17 insertions, 15 deletions
diff --git a/arch/arm/cpu/arm920t/a320/timer.c b/arch/arm/cpu/arm920t/a320/timer.c
index 4bfcef2..2873643 100644
--- a/arch/arm/cpu/arm920t/a320/timer.c
+++ b/arch/arm/cpu/arm920t/a320/timer.c
@@ -31,14 +31,14 @@ DECLARE_GLOBAL_DATA_PTR;
static inline unsigned long long tick_to_time(unsigned long long tick)
{
tick *= CONFIG_SYS_HZ;
- do_div(tick, gd->timer_rate_hz);
+ do_div(tick, gd->arch.timer_rate_hz);
return tick;
}
static inline unsigned long long usec_to_tick(unsigned long long usec)
{
- usec *= gd->timer_rate_hz;
+ usec *= gd->arch.timer_rate_hz;
do_div(usec, 1000000);
return usec;
@@ -74,7 +74,7 @@ int timer_init(void)
cr |= FTTMR010_TM3_ENABLE;
writel(cr, &tmr->cr);
- gd->timer_rate_hz = TIMER_CLOCK;
+ gd->arch.timer_rate_hz = TIMER_CLOCK;
gd->tbu = gd->tbl = 0;
return 0;
@@ -126,5 +126,5 @@ ulong get_timer(ulong base)
*/
ulong get_tbclk(void)
{
- return gd->timer_rate_hz;
+ return gd->arch.timer_rate_hz;
}
diff --git a/arch/arm/cpu/arm920t/s3c24x0/timer.c b/arch/arm/cpu/arm920t/s3c24x0/timer.c
index d8668be..7694fea 100644
--- a/arch/arm/cpu/arm920t/s3c24x0/timer.c
+++ b/arch/arm/cpu/arm920t/s3c24x0/timer.c
@@ -52,7 +52,7 @@ int timer_init(void)
* @33.25MHz and 15625 @ 50 MHz
*/
gd->tbu = get_PCLK() / (2 * 16 * 100);
- gd->timer_rate_hz = get_PCLK() / (2 * 16);
+ gd->arch.timer_rate_hz = get_PCLK() / (2 * 16);
}
/* load value for 10 ms timeout */
writel(gd->tbu, &timers->tcntb4);
@@ -93,7 +93,7 @@ ulong get_timer_masked(void)
{
ulong tmr = get_ticks();
- return tmr / (gd->timer_rate_hz / CONFIG_SYS_HZ);
+ return tmr / (gd->arch.timer_rate_hz / CONFIG_SYS_HZ);
}
void udelay_masked(unsigned long usec)
diff --git a/arch/arm/cpu/arm926ejs/at91/timer.c b/arch/arm/cpu/arm926ejs/at91/timer.c
index 641ae3e..061ccaf 100644
--- a/arch/arm/cpu/arm926ejs/at91/timer.c
+++ b/arch/arm/cpu/arm926ejs/at91/timer.c
@@ -52,14 +52,14 @@ DECLARE_GLOBAL_DATA_PTR;
static inline unsigned long long tick_to_time(unsigned long long tick)
{
tick *= CONFIG_SYS_HZ;
- do_div(tick, gd->timer_rate_hz);
+ do_div(tick, gd->arch.timer_rate_hz);
return tick;
}
static inline unsigned long long usec_to_tick(unsigned long long usec)
{
- usec *= gd->timer_rate_hz;
+ usec *= gd->arch.timer_rate_hz;
do_div(usec, 1000000);
return usec;
@@ -79,7 +79,7 @@ int timer_init(void)
/* Enable PITC */
writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr);
- gd->timer_rate_hz = gd->arch.mck_rate_hz / 16;
+ gd->arch.timer_rate_hz = gd->arch.mck_rate_hz / 16;
gd->tbu = gd->tbl = 0;
return 0;
@@ -132,5 +132,5 @@ ulong get_timer(ulong base)
*/
ulong get_tbclk(void)
{
- return gd->timer_rate_hz;
+ return gd->arch.timer_rate_hz;
}
diff --git a/arch/arm/cpu/arm926ejs/davinci/timer.c b/arch/arm/cpu/arm926ejs/davinci/timer.c
index 93c9e60..7e852b5 100644
--- a/arch/arm/cpu/arm926ejs/davinci/timer.c
+++ b/arch/arm/cpu/arm926ejs/davinci/timer.c
@@ -60,7 +60,7 @@ int timer_init(void)
writel(0x0, &timer->tim34);
writel(TIMER_LOAD_VAL, &timer->prd34);
writel(2 << 22, &timer->tcr);
- gd->timer_rate_hz = CONFIG_SYS_HZ_CLOCK / TIM_CLK_DIV;
+ gd->arch.timer_rate_hz = CONFIG_SYS_HZ_CLOCK / TIM_CLK_DIV;
gd->timer_reset_value = 0;
return(0);
@@ -87,14 +87,15 @@ ulong get_timer(ulong base)
timer_diff = get_ticks() - gd->timer_reset_value;
- return lldiv(timer_diff, (gd->timer_rate_hz / CONFIG_SYS_HZ)) - base;
+ return lldiv(timer_diff,
+ (gd->arch.timer_rate_hz / CONFIG_SYS_HZ)) - base;
}
void __udelay(unsigned long usec)
{
unsigned long long endtime;
- endtime = lldiv((unsigned long long)usec * gd->timer_rate_hz,
+ endtime = lldiv((unsigned long long)usec * gd->arch.timer_rate_hz,
1000000UL);
endtime += get_ticks();
@@ -108,7 +109,7 @@ void __udelay(unsigned long usec)
*/
ulong get_tbclk(void)
{
- return gd->timer_rate_hz;
+ return gd->arch.timer_rate_hz;
}
#ifdef CONFIG_HW_WATCHDOG
diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h
index d147899..eb8c69a 100644
--- a/arch/arm/include/asm/global_data.h
+++ b/arch/arm/include/asm/global_data.h
@@ -35,6 +35,8 @@ struct arch_global_data {
unsigned long pllb_rate_hz;
unsigned long at91_pllb_usb_init;
#endif
+ /* "static data" needed by most of timer.c on ARM platforms */
+ unsigned long timer_rate_hz;
};
/*
@@ -61,7 +63,6 @@ typedef struct global_data {
#endif
#ifdef CONFIG_ARM
/* "static data" needed by most of timer.c on ARM platforms */
- unsigned long timer_rate_hz;
unsigned long tbl;
unsigned long tbu;
unsigned long long timer_reset_value;