[U-Boot] [PATCH 1/8] APM82xxx: Add CPU support

[Tirumala Marri]

Stefan,
 Thanks for the review. I will fix accordingly.
Regards,
Marri

> -----Original Message-----
> From: Stefan Roese [mailto:sr at denx.de]
> Sent: Friday, August 27, 2010 2:02 AM
> To: u-boot at lists.denx.de
> Cc: tmarri at apm.com; open-source-review at apm.com
> Subject: Re: [U-Boot] [PATCH 1/8] APM82xxx: Add CPU support
>
> Hi Marri,
>
> On Thursday 26 August 2010 23:05:44 tmarri at apm.com wrote:
> > From: Tirumala Marri <tmarri at apm.com>
> >
> > APM82XXX is a new line of SoCs which are derivatives of
> > PPC44X family of processors. This patch adds support of CPU, cache,
> > tlb, 32k ocm, bootstraps, PLB and AHB bus.
>
> Thanks. General comment: Please add me on Cc on these PPC4xx
> related patches. More comments below.
>
> > Signed-off-by: Tirumala R Marri <tmarri at apm.com>
> > ---
> >  arch/powerpc/cpu/ppc4xx/cpu.c        |   35
> > +++++++++++++++++++++++++++++++-- arch/powerpc/cpu/ppc4xx/cpu_init.c
> |
> >  9 ++++---
> >  arch/powerpc/cpu/ppc4xx/start.S      |   10 +++++++-
> >  arch/powerpc/include/asm/processor.h |    1 +
> >  4 files changed, 46 insertions(+), 9 deletions(-)
> >
> > diff --git a/arch/powerpc/cpu/ppc4xx/cpu.c
> b/arch/powerpc/cpu/ppc4xx/cpu.c
> > index 851065c..5fe5d8c 100644
> > --- a/arch/powerpc/cpu/ppc4xx/cpu.c
> > +++ b/arch/powerpc/cpu/ppc4xx/cpu.c
> > @@ -80,7 +80,8 @@ static int pci_async_enabled(void)
> >  #endif /* CONFIG_PCI */
> >
> >  #if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && \
> > -    !defined(CONFIG_405) && !defined(CONFIG_405EX)
> > +    !defined(CONFIG_405) && !defined(CONFIG_405EX) && \
> > +    !defined(CONFIG_APM82XXX)
> >  int pci_arbiter_enabled(void)
> >  {
> >  #if defined(CONFIG_405GP)
> > @@ -250,6 +251,21 @@ static char *bootstrap_str[] = {
> >  };
> >  static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F',
> 'H' };
> >  #endif
> > +#if defined(CONFIG_APM82XXX)
> > +#define SDR0_PINSTP_SHIFT       29
> > +static char *bootstrap_str[] = {
> > +	"RESERVED",
> > +	"RESERVED",
> > +	"RESERVED",
> > +	"NAND (8 bits)",
> > +	"NOR  (8 bits)",
> > +	"NOR  (8 bits) w/PLL Bypassed",
> > +	"I2C (Addr 0x54)",
> > +	"I2C (Addr 0x52)",
> > +};
> > +static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G',
> 'H' };
> > +#endif
> > +
> >
> >  #if defined(SDR0_PINSTP_SHIFT)
> >  static int bootstrap_option(void)
> > @@ -285,7 +301,7 @@ int checkcpu (void)
> >  	uint pvr = get_pvr();
> >  	ulong clock = gd->cpu_clk;
> >  	char buf[32];
> > -#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
> > +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) ||
> > defined(CONFIG_APM82XXX) u32 reg;
> >  #endif
> >
> > @@ -304,6 +320,8 @@ int checkcpu (void)
> >
> >  #if defined(CONFIG_XILINX_440)
> >  	puts("IBM PowerPC 4");
> > +#elif defined(CONFIG_APM82XXX)
> > +	puts("APM PowerPC APM82");
> >  #else
> >  	puts("AMCC PowerPC 4");
> >  #endif
> > @@ -316,7 +334,7 @@ int checkcpu (void)
> >  #if defined(CONFIG_440)
> >  #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
> >  	puts("60");
> > -#else
> > +#elif !defined(CONFIG_APM82XXX)
> >  	puts("40");
> >  #endif
> >  #endif
> > @@ -598,7 +616,18 @@ int checkcpu (void)
> >  		puts("GX Rev. A");
> >  		strcpy(addstr, "No Security support");
> >  		break;
> > +#if defined(CONFIG_APM82XXX)
> > +	case PVR_APM82XXX_RA:
> > +		mfsdr(SDR0_ECID3, reg);
> > +		if (reg & 0x00200000)
> > +			puts("181 Rev. A");
> >
> > +		if (reg & 0x00100000)
> > +			strcpy(addstr, "No Security support");
> > +		else
> > +			strcpy(addstr, "Security support");
> > +		break;
> > +#endif
> >  	case PVR_VIRTEX5:
> >  		puts("x5 VIRTEX5");
> >  		break;
> > diff --git a/arch/powerpc/cpu/ppc4xx/cpu_init.c
> > b/arch/powerpc/cpu/ppc4xx/cpu_init.c index c04eede..2308051 100644
> > --- a/arch/powerpc/cpu/ppc4xx/cpu_init.c
> > +++ b/arch/powerpc/cpu/ppc4xx/cpu_init.c
> > @@ -35,7 +35,6 @@ DECLARE_GLOBAL_DATA_PTR;
> >  #ifndef CONFIG_SYS_PLL_RECONFIG
> >  #define CONFIG_SYS_PLL_RECONFIG	0
> >  #endif
> > -
>
> Why did you remove this empty line?
>
> Please fix and resubmit. Thanks.
>
> Cheers,
> Stefan
>
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