[PATCH][PPC32] Added MPC8555/8541 security block infrastructure

Kumar Gala kumar.gala at freescale.com
Tue Nov 9 17:15:20 EST 2004


> > diff -Nru a/include/asm-ppc/mpc85xx.h b/include/asm-ppc/mpc85xx.h
> > --- a/include/asm-ppc/mpc85xx.h       2004-11-08 21:33:21 -06:00
>  > +++ b/include/asm-ppc/mpc85xx.h       2004-11-08 21:33:21 -06:00
>  > @@ -81,6 +81,7 @@
>  >  #define MPC85xx_IRQ_DUART    (26 + MPC85xx_OPENPIC_IRQ_OFFSET)
> >  #define MPC85xx_IRQ_IIC1     (27 + MPC85xx_OPENPIC_IRQ_OFFSET)
> >  #define MPC85xx_IRQ_PERFMON  (28 + MPC85xx_OPENPIC_IRQ_OFFSET)
> > +#define MPC85xx_IRQ_SEC2     (29 + MPC85xx_OPENPIC_IRQ_OFFSET)
> >  #define MPC85xx_IRQ_CPM              (30 + 
> MPC85xx_OPENPIC_IRQ_OFFSET)
> >
> >  /* The 12 external interrupt lines */
>  > @@ -120,6 +121,8 @@
>  >  #define MPC85xx_PCI2_SIZE    (0x01000)
>  >  #define MPC85xx_PERFMON_OFFSET       (0xe1000)
>  >  #define MPC85xx_PERFMON_SIZE (0x01000)
>  > +#define MPC85xx_SEC2_OFFSET  (0x30000)
>  > +#define MPC85xx_SEC2_SIZE    (0x10000)
>  >  #define MPC85xx_UART0_OFFSET (0x04500)
>  >  #define MPC85xx_UART0_SIZE   (0x00100)
>  >  #define MPC85xx_UART1_OFFSET (0x04600)
>  > diff -Nru a/include/asm-ppc/ocp_ids.h b/include/asm-ppc/ocp_ids.h
>  > --- a/include/asm-ppc/ocp_ids.h       2004-11-08 21:33:21 -06:00
>  > +++ b/include/asm-ppc/ocp_ids.h       2004-11-08 21:33:21 -06:00
>  > @@ -61,6 +61,7 @@
>  >  #define OCP_FUNC_PERFMON     0x00D2  /* Performance Monitor */
>  >  #define OCP_FUNC_RGMII               0x00D3
>  >  #define OCP_FUNC_TAH         0x00D4
>  > +#define OCP_FUNC_SEC2                0x00D5  /* Crypto/Security 
> 2.0 */
>  >
> >  /* Network 0x0200 - 0x02FF */
>  >  #define OCP_FUNC_EMAC                0x0200
>
> I wonder what is the purpose of adding these defines to the header file
> and then using them only in one .c file. Are they public interface?
>
> I guess not, and IMHO scattering such stuff among doesn't help
> readability and using new C structure initializers shows exactly what
> each number means anyway.

Well, the SEC2 defines are currently only used in this file at this 
time.  However, I expect in the future other mpc85??.c files will use 
these defines.

> For 4xx, for example, we moved all such stuff directly to
>  corresponding ibm4XXX files.

The memory offsets and sizes could most likely move there.

- kumar




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