Richard, I used 6 for most platforms. 1 is lowest priority - 7 - is the highest.
Regards, TsiChung On Thu, Mar 19, 2009 at 4:15 PM, Richard Retanubun <richardretanu...@ruggedcom.com> wrote: > Richard Retanubun wrote: >> >> Hi TC, >> >> TC Liew wrote: >>> >>> Richard, >>> Is there a purpose that you used DTIMER 3 but not 1 or 2? FYI: DTIMER3 >>> is currently used for system time, DTIMER0 is currently used for udelay() in >>> u-boot. >>> You can change the u-boot 5271's system timer in >>> include/asm-m68k/immap.h. >>> #define CONFIG_SYS_TMR_BASE (MMAP_DTMR1) >>> #define CONFIG_SYS_TMRINTR_NO (INT0_LO_DTMR1) >>> #define CONFIG_SYS_TMRINTR_MASK (INTC_IPRL_INT20) >>> Regards, >>> TsiChung >> > Hi TC, > > Sorry for the long-delay on this issue, I got tasked with other stuff, > but thanks to your hint from the last e-mail, > I think I might have found the root-cause to the problem. > > In include/asm-m68k/immap.h. > > #ifdef CONFIG_M5271 > #include <asm/immap_5271.h> > #include <asm/m5271.h> > > #define CONFIG_SYS_FEC0_IOBASE (MMAP_FEC) > #define CONFIG_SYS_UART_BASE (MMAP_UART0 + (CONFIG_SYS_UART_PORT > * 0x40)) > > /* Timer */ > #ifdef CONFIG_MCFTMR > #define CONFIG_SYS_UDELAY_BASE (MMAP_DTMR0) > #define CONFIG_SYS_TMR_BASE (MMAP_DTMR3) > #define CONFIG_SYS_TMRPND_REG (((volatile int0_t > *)(CONFIG_SYS_INTR_BASE))->iprl0) > #define CONFIG_SYS_TMRINTR_NO (INT0_LO_DTMR3) > #define CONFIG_SYS_TMRINTR_MASK (INTC_IPRL_INT22) > #define CONFIG_SYS_TMRINTR_PEND (CONFIG_SYS_TMRINTR_MASK) > > #define CONFIG_SYS_TMRINTR_PRI (0) /* Level must > include inorder to work */ > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > #define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8) > #endif > > According to MCF5271 RefMan Rev 2 (07/2006) page 13-12, > I think this means that the interrupt, although unmasked, have a level 0, > priority 0, > which essentially disables it. > > What should be the proper value? (0x09) will make it level 1, priority 1, is > this ok? > Or am I chasing the wrong rabbit? > > Thanks for your time > > - Richard > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot