On Fri, 2 Aug 2013, Afzal Mohammed wrote:

> Add AM43x CMINST, CDOFFS, RM_RSTST & RM_RSTCTRL definitions - minimal
> ones that would be used.
> 
> Signed-off-by: Afzal Mohammed <af...@ti.com>

...

> +/* 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



- Paul
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