[PATCH 02/10] ARM: dts: Fix wrong GPMC size mappings for omaps

Roger Quadros rogerq at ti.com
Thu Oct 30 05:05:54 PDT 2014


On 10/30/2014 02:29 AM, Tony Lindgren wrote:
> The GPMC binding is obviously very confusing as the values
> are all over the place. People seem to confuse the GPMC partition
> size for the chip select, and the device IO size within the GPMC
> partition easily.
> 
> The ranges entry contains the GPMC partition size. And the
> reg entry contains the size of the IO registers of the
> device connected to the GPMC.
> 
> Let's fix the issue according to the following table:
> 
> Device          GPMC partition size     Device IO size
> connected       in the ranges entry     in the reg entry
> 
> NAND            0x01000000 (16MB)       4
> 16550           0x01000000 (16MB)       8
> smc91x          0x01000000 (16MB)       0xf
> smc911x         0x01000000 (16MB)       0xff
> OneNAND         0x01000000 (16MB)       0x20000 (128KB)
> 16MB NOR        0x01000000 (16MB)       0x01000000 (16MB)
> 32MB NOR        0x02000000 (32MB)       0x02000000 (32MB)
> 64MB NOR        0x04000000 (64MB)       0x04000000 (64MB)
> 128MB NOR       0x08000000 (128MB)      0x08000000 (128MB)
> 256MB NOR       0x10000000 (256MB)      0x10000000 (256MB)
> 
> Let's also add comments to the fixed entries while at it.
> 
> Cc: Roger Quadros <rogerq at ti.com>
> Signed-off-by: Tony Lindgren <tony at atomide.com>

Acked-by: Roger Quadros <rogerq at ti.com>

cheers,
-roger



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