LM
/
u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

nios2: Set CONFIG_SYS_HZ to 1000 all nios2 boards. 

CONFIG_SYS_HZ was being calculated (incorrectly) in nios2 configuration
   headers. Updated comments to accurately describe timebase macros.

Signed-off-by: Scott McNutt <smcnutt@psyent.com>
This commit is contained in:
Scott McNutt 2010-03-30 20:23:04 -04:00
parent 3ea0037f23
commit 3a89a91a10
5 changed files with 40 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/configs/EP1C20.h
View File

@ -124,14 +124,16 @@
* TIMEBASE -- * TIMEBASE --
* *
* The high res timer defaults to 1 msec. Since it includes the period * The high res timer defaults to 1 msec. Since it includes the period
* registers, we can slow it down to 10 msec using TMRCNT. If the default * registers, the interrupt frequency can be reduced using TMRCNT.
* period is acceptable, TMRCNT can be left undefined. * If the default period is acceptable, TMRCNT can be left undefined.
* TMRMS represents the desired mecs per tick (msecs per interrupt).
*----------------------------------------------------------------------*/ *----------------------------------------------------------------------*/
#define CONFIG_SYS_HZ 1000 /* Always 1000 */
#define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */ #define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */
#define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */ #define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */
#define CONFIG_SYS_NIOS_TMRMS 10 /* 10 msec per tick */ #define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period (msec)*/
#define CONFIG_SYS_NIOS_TMRCNT (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000)) #define CONFIG_SYS_NIOS_TMRCNT \
#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1)) (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000))
/*------------------------------------------------------------------------ /*------------------------------------------------------------------------
* STATUS LED -- Provides a simple blinking led. For Nios2 each board * STATUS LED -- Provides a simple blinking led. For Nios2 each board

12
include/configs/EP1S10.h
View File

@ -119,14 +119,16 @@
* TIMEBASE -- * TIMEBASE --
* *
* The high res timer defaults to 1 msec. Since it includes the period * The high res timer defaults to 1 msec. Since it includes the period
* registers, we can slow it down to 10 msec using TMRCNT. If the default * registers, the interrupt frequency can be reduced using TMRCNT.
* period is acceptable, TMRCNT can be left undefined. * If the default period is acceptable, TMRCNT can be left undefined.
* TMRMS represents the desired mecs per tick (msecs per interrupt).
*----------------------------------------------------------------------*/ *----------------------------------------------------------------------*/
#define CONFIG_SYS_HZ 1000 /* Always 1000 */
#define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */ #define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */
#define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */ #define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */
#define CONFIG_SYS_NIOS_TMRMS 10 /* 10 msec per tick */ #define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period (msec)*/
#define CONFIG_SYS_NIOS_TMRCNT (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000)) #define CONFIG_SYS_NIOS_TMRCNT \
#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1)) (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000))
/*------------------------------------------------------------------------ /*------------------------------------------------------------------------
* STATUS LED -- Provides a simple blinking led. For Nios2 each board * STATUS LED -- Provides a simple blinking led. For Nios2 each board

12
include/configs/EP1S40.h
View File

@ -119,14 +119,16 @@
* TIMEBASE -- * TIMEBASE --
* *
* The high res timer defaults to 1 msec. Since it includes the period * The high res timer defaults to 1 msec. Since it includes the period
* registers, we can slow it down to 10 msec using TMRCNT. If the default * registers, the interrupt frequency can be reduced using TMRCNT.
* period is acceptable, TMRCNT can be left undefined. * If the default period is acceptable, TMRCNT can be left undefined.
* TMRMS represents the desired mecs per tick (msecs per interrupt).
*----------------------------------------------------------------------*/ *----------------------------------------------------------------------*/
#define CONFIG_SYS_HZ 1000 /* Always 1000 */
#define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */ #define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */
#define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */ #define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */
#define CONFIG_SYS_NIOS_TMRMS 10 /* 10 msec per tick */ #define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period (msec) */
#define CONFIG_SYS_NIOS_TMRCNT (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000)) #define CONFIG_SYS_NIOS_TMRCNT \
#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1)) (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000))
/*------------------------------------------------------------------------ /*------------------------------------------------------------------------
* STATUS LED -- Provides a simple blinking led. For Nios2 each board * STATUS LED -- Provides a simple blinking led. For Nios2 each board

12
include/configs/PCI5441.h
View File

@ -114,14 +114,16 @@
* TIMEBASE -- * TIMEBASE --
* *
* The high res timer defaults to 1 msec. Since it includes the period * The high res timer defaults to 1 msec. Since it includes the period
* registers, we can slow it down to 10 msec using TMRCNT. If the default * registers, the interrupt frequency can be reduced using TMRCNT.
* period is acceptable, TMRCNT can be left undefined. * If the default period is acceptable, TMRCNT can be left undefined.
* TMRMS represents the desired mecs per tick (msecs per interrupt).
*----------------------------------------------------------------------*/ *----------------------------------------------------------------------*/
#define CONFIG_SYS_HZ 1000 /* Always 1000 */
#define CONFIG_SYS_NIOS_TMRBASE 0x00920860 /* Tick timer base addr */ #define CONFIG_SYS_NIOS_TMRBASE 0x00920860 /* Tick timer base addr */
#define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */ #define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */
#define CONFIG_SYS_NIOS_TMRMS 10 /* 10 msec per tick */ #define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period (msec)*/
#define CONFIG_SYS_NIOS_TMRCNT (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000)) #define CONFIG_SYS_NIOS_TMRCNT \
#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1)) (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000))
/* /*

12
include/configs/PK1C20.h
View File

@ -124,14 +124,16 @@
* TIMEBASE -- * TIMEBASE --
* *
* The high res timer defaults to 1 msec. Since it includes the period * The high res timer defaults to 1 msec. Since it includes the period
* registers, we can slow it down to 10 msec using TMRCNT. If the default * registers, the interrupt frequency can be reduced using TMRCNT.
* period is acceptable, TMRCNT can be left undefined. * If the default period is acceptable, TMRCNT can be left undefined.
* TMRMS represents the desired mecs per tick (msecs per interrupt).
*----------------------------------------------------------------------*/ *----------------------------------------------------------------------*/
#define CONFIG_SYS_HZ 1000 /* Always 1000 */
#define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */ #define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */
#define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */ #define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */
#define CONFIG_SYS_NIOS_TMRMS 10 /* 10 msec per tick */ #define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period */
#define CONFIG_SYS_NIOS_TMRCNT (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000)) #define CONFIG_SYS_NIOS_TMRCNT \
#define CONFIG_SYS_HZ (CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1)) (CONFIG_SYS_NIOS_TMRMS * (CONFIG_SYS_CLK_FREQ/1000))
/*------------------------------------------------------------------------ /*------------------------------------------------------------------------
* STATUS LED -- Provides a simple blinking led. For Nios2 each board * STATUS LED -- Provides a simple blinking led. For Nios2 each board