[RFC PATCH v2 1/1] powerpc/embedded6xx: Add support for Motorola/Emerson MVME5100.
Benjamin Herrenschmidt
benh at kernel.crashing.org
Wed Sep 11 11:15:23 EST 2013
On Tue, 2013-09-10 at 18:47 -0500, Scott Wood wrote:
> No blank line before }
>
> > +CONFIG_CMDLINE_BOOL=y
> > +CONFIG_CMDLINE="console=ttyS0,9600 ip=dhcp root=/dev/nfs"
>
> I take it there's no way to pass a command line in from whatever loader
> this board uses... but you could put it in the dts instead.
No, please don't put that in the device-tree. Somebody might want
different settings, this is typically what .config is for.
> Did you ever figure out the problem with the combined defconfig?
>
> > + help
> > + This option enables support for the Motorola (now Emerson) MVME5100
> > + board.
>
> Whitespace
>
> > +/* Board register addresses. */
> > +#define BOARD_STATUS_REG 0xfef88080
> > +#define BOARD_MODFAIL_REG 0xfef88090
> > +#define BOARD_MODRST_REG 0xfef880a0
> > +#define BOARD_TBEN_REG 0xfef880c0
> > +#define BOARD_SW_READ_REG 0xfef880e0
> > +#define BOARD_GEO_ADDR_REG 0xfef880e8
> > +#define BOARD_EXT_FEATURE1_REG 0xfef880f0
> > +#define BOARD_EXT_FEATURE2_REG 0xfef88100
>
> Use a space rather than a tab after #define.
>
> > +static unsigned int pci_membase;
>
> phys_addr_t
>
> > +static void mvme5100_restart(char *cmd)
> > +{
> > + u_char *restart;
>
> Is all that tabbing before "*restart" really necessary?
>
> > + restart = ioremap(BOARD_MODRST_REG, 4);
> > + local_irq_disable();
> > + mtmsr(mfmsr() | MSR_IP);
> > +
> > + out_8((u_char *) restart, 0x01);
>
> If ioremap() fails you'll panic here.
>
> In any case, you should map things at boot time.
>
> -Scott
>
>
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