Hi Paul, On Wednesday 21 August 2013 08:50 AM, Paul Walmsley wrote:
>> +/* PRM instances */ >> +#define AM43XX_PRM_OCP_SOCKET_INST 0x0000 >> +#define AM43XX_PRM_MPU_INST 0x0300 >> +#define AM43XX_PRM_GFX_INST 0x0400 >> +#define AM43XX_PRM_RTC_INST 0x0500 >> +#define AM43XX_PRM_TAMPER_INST 0x0600 >> +#define AM43XX_PRM_CEFUSE_INST 0x0700 >> +#define AM43XX_PRM_PER_INST 0x0800 >> +#define AM43XX_PRM_WKUP_INST 0x2000 >> +#define AM43XX_PRM_DEVICE_INST 0x4000 >> + > > ... > >> +/* CM instances */ >> +#define AM43XX_CM_WKUP_INST 0x2800 >> +#define AM43XX_CM_DEVICE_INST 0x4100 >> +#define AM43XX_CM_DPLL_INST 0x4200 >> +#define AM43XX_CM_MPU_INST 0x8300 >> +#define AM43XX_CM_GFX_INST 0x8400 >> +#define AM43XX_CM_RTC_INST 0x8500 >> +#define AM43XX_CM_TAMPER_INST 0x8600 >> +#define AM43XX_CM_CEFUSE_INST 0x8700 >> +#define AM43XX_CM_PER_INST 0x8800 > > That's a pretty broad address range to span, in PRCM terms. Seems pretty > unlikely that the whole area is really decoded to a single PRCM IP block? > Or is it actually decoded into smaller PRM and CM sub-blocks, similar to > OMAP4? > > Just by looking at the offsets, it looks to me like you've got: > > 1. one IP block at 0x0000-0x1fff? that covers system PRM > > 2. one IP block at 0x2000-0x3fff? that covers WKUP PRM & CM > > 3. one IP block at 0x4000-? that covers device & PLL PRM & CM > > 4. one IP block at 0x8000-? that covers system CM In AM43x, PRCM is a single entity as in AM335x, but with a mixed address space for PRM & CM instances. On AM335x, from the header files, it can be seen that PRM & CM base is 0x44e00000, here it is similar case except that the base for both is 0x44df0000 instead. Also, script too generated the macros as in this change. Regards Afzal -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
