[U-Boot] [PATCH] pxa: fixing get_timer to return time in miliseconds.
Fixing the get_timer function to return time in miliseconds instead of ticks. Also fixed PXA boards to use the conventional value of 1000 for CONFIG_SYS_HZ.
Signed-off-by: Micha Kalfon smichak.uv@gmail.com --- cpu/pxa/interrupts.c | 25 ++++++++++++++++++------- include/configs/cerf250.h | 2 +- include/configs/cradle.h | 2 +- include/configs/csb226.h | 2 +- include/configs/delta.h | 2 +- include/configs/innokom.h | 2 +- include/configs/logodl.h | 2 +- include/configs/lubbock.h | 2 +- include/configs/pleb2.h | 2 +- include/configs/pxa255_idp.h | 2 +- include/configs/trizepsiv.h | 2 +- include/configs/wepep250.h | 2 +- include/configs/xaeniax.h | 2 +- include/configs/xm250.h | 2 +- include/configs/xsengine.h | 5 +---- include/configs/zylonite.h | 2 +- 16 files changed, 33 insertions(+), 25 deletions(-)
diff --git a/cpu/pxa/interrupts.c b/cpu/pxa/interrupts.c index ec8fb9e..40d8bf2 100644 --- a/cpu/pxa/interrupts.c +++ b/cpu/pxa/interrupts.c @@ -33,6 +33,14 @@ #error: interrupts not implemented yet #endif
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS) +#define TIMER_FREQ_HZ 3250000 +#elif defined(CONFIG_PXA250) +#define TIMER_FREQ_HZ 3686400 +#else +#error "Timer frequency unknown - please config PXA CPU type" +#endif + int interrupt_init (void) { /* nothing happens here - we don't setup any IRQs */ @@ -67,7 +75,10 @@ void reset_timer_masked (void)
ulong get_timer_masked (void) { - return OSCR; + unsigned long long ticks = get_ticks(); + + return (((ticks / TIMER_FREQ_HZ) * 1000) + + ((ticks % TIMER_FREQ_HZ) * 1000) / TIMER_FREQ_HZ); }
void udelay_masked (unsigned long usec) @@ -78,17 +89,17 @@ void udelay_masked (unsigned long usec)
if (usec >= 1000) { tmo = usec / 1000; - tmo *= CONFIG_SYS_HZ; + tmo *= TIMER_FREQ_HZ; tmo /= 1000; } else { - tmo = usec * CONFIG_SYS_HZ; + tmo = usec * TIMER_FREQ_HZ; tmo /= (1000*1000); }
- endtime = get_timer_masked () + tmo; + endtime = get_ticks() + tmo;
do { - ulong now = get_timer_masked (); + ulong now = get_ticks(); diff = endtime - now; } while (diff >= 0); } @@ -99,7 +110,7 @@ void udelay_masked (unsigned long usec) */ unsigned long long get_ticks(void) { - return get_timer(0); + return OSCR; }
/* @@ -109,6 +120,6 @@ unsigned long long get_ticks(void) ulong get_tbclk (void) { ulong tbclk; - tbclk = CONFIG_SYS_HZ; + tbclk = TIMER_FREQ_HZ; return tbclk; } diff --git a/include/configs/cerf250.h b/include/configs/cerf250.h index 71e5b58..f19374e 100644 --- a/include/configs/cerf250.h +++ b/include/configs/cerf250.h @@ -117,7 +117,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa2000000 /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 400/200/100 MHz */
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } diff --git a/include/configs/cradle.h b/include/configs/cradle.h index e80504a..5131175 100644 --- a/include/configs/cradle.h +++ b/include/configs/cradle.h @@ -103,7 +103,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa2000000 /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */
/* valid baudrates */ diff --git a/include/configs/csb226.h b/include/configs/csb226.h index a24e34a..8da7c90 100644 --- a/include/configs/csb226.h +++ b/include/configs/csb226.h @@ -131,7 +131,7 @@ /* RS: is this where U-Boot is */ /* RS: relocated to in RAM? */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 /* RS: the oscillator is actually 3680130?? */ #define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */ /* 0101000001 */ diff --git a/include/configs/delta.h b/include/configs/delta.h index abb2676..67736da 100644 --- a/include/configs/delta.h +++ b/include/configs/delta.h @@ -171,7 +171,7 @@
#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_DRAM_BASE + 0x8000) /* default load address */
-#define CONFIG_SYS_HZ 3250000 /* incrementer freq: 3.25 MHz */ +#define CONFIG_SYS_HZ 1000
/* Monahans Core Frequency */ #define CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO 16 /* valid values: 8, 16, 24, 31 */ diff --git a/include/configs/innokom.h b/include/configs/innokom.h index 1b05b80..cdab2f3 100644 --- a/include/configs/innokom.h +++ b/include/configs/innokom.h @@ -119,7 +119,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa3000000 /* load kernel to this address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 /* RS: the oscillator is actually 3680130?? */
#define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */ diff --git a/include/configs/logodl.h b/include/configs/logodl.h index bb6f943..112806d 100644 --- a/include/configs/logodl.h +++ b/include/configs/logodl.h @@ -112,7 +112,7 @@
#define CONFIG_SYS_LOAD_ADDR 0x08000000 /* load kernel to this address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 /* RS: the oscillator is actually 3680130?? */
#define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */ diff --git a/include/configs/lubbock.h b/include/configs/lubbock.h index 208910e..80cf44f 100644 --- a/include/configs/lubbock.h +++ b/include/configs/lubbock.h @@ -127,7 +127,7 @@
#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_DRAM_BASE + 0x8000) /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */
/* valid baudrates */ diff --git a/include/configs/pleb2.h b/include/configs/pleb2.h index 14f8917..23398e3 100644 --- a/include/configs/pleb2.h +++ b/include/configs/pleb2.h @@ -126,7 +126,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa2000000 /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */
/* valid baudrates */ diff --git a/include/configs/pxa255_idp.h b/include/configs/pxa255_idp.h index f81103b..fa53cf4 100644 --- a/include/configs/pxa255_idp.h +++ b/include/configs/pxa255_idp.h @@ -241,7 +241,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa0800000 /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */
#define RTC 1 /* enable 32KHz osc */ diff --git a/include/configs/trizepsiv.h b/include/configs/trizepsiv.h index 0a8e994..e124be4 100644 --- a/include/configs/trizepsiv.h +++ b/include/configs/trizepsiv.h @@ -168,7 +168,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa1000000 /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x207 /* need to look more closely, I think this is Turbo = 2x, L=91Mhz */
/* valid baudrates */ diff --git a/include/configs/wepep250.h b/include/configs/wepep250.h index b70a531..d0afd29 100644 --- a/include/configs/wepep250.h +++ b/include/configs/wepep250.h @@ -81,7 +81,7 @@
#undef CONFIG_SYS_CLKS_IN_HZ /* use HZ for freq. display */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x141 /* core clock - register value */
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } diff --git a/include/configs/xaeniax.h b/include/configs/xaeniax.h index 324f03e..250247c 100644 --- a/include/configs/xaeniax.h +++ b/include/configs/xaeniax.h @@ -138,7 +138,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa1000000 /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x141 /* set core clock to 400/200/100 MHz */
/* diff --git a/include/configs/xm250.h b/include/configs/xm250.h index 16af845..8e9d5ab 100644 --- a/include/configs/xm250.h +++ b/include/configs/xm250.h @@ -121,7 +121,7 @@
#define CONFIG_SYS_LOAD_ADDR 0xa3000000 /* default load address */
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x161 /* set core clock to 400/400/100 MHz */
/* valid baudrates */ diff --git a/include/configs/xsengine.h b/include/configs/xsengine.h index b727413..2fca956 100644 --- a/include/configs/xsengine.h +++ b/include/configs/xsengine.h @@ -35,10 +35,7 @@ #define CONFIG_DOS_PARTITION 1 #define BOARD_LATE_INIT 1 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ -#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ - -#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ -#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ diff --git a/include/configs/zylonite.h b/include/configs/zylonite.h index f30eca1..79b74ad 100644 --- a/include/configs/zylonite.h +++ b/include/configs/zylonite.h @@ -143,7 +143,7 @@
#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_DRAM_BASE + 0x8000) /* default load address */
-#define CONFIG_SYS_HZ 3250000 /* incrementer freq: 3.25 MHz */ +#define CONFIG_SYS_HZ 1000
/* Monahans Core Frequency */ #define CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO 16 /* valid values: 8, 16, 24, 31 */
participants (1)
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Micha Kalfon