[U-Boot] [PATCH 2/5] board: TI K2G: FC SoC 1GHz and DDR3 1066 MT/s support

Tom Rini trini at konsulko.com
Mon Dec 18 15:46:05 UTC 2017


On Mon, Dec 18, 2017 at 03:10:04PM +0530, Lokesh Vutla wrote:

> From: Rex Chang <rchang at ti.com>
> 
> Added support for K2G EVM with FlipChip SoC of which
> ARM/DDR3 runs at 1GHz/1066 MT/s. The patch is also
> backward compatible with old revision EVM and EVM
> with WireBond SoC. Their ARM/DDR3 run at 600MHz/800 MT/s.
> 
> The new SoC supports 2 different speeds at 1GHz and 600MHz.
> Modyfied the CPU Name to show which SoC is used in the EVM.
> Modified the DDR3 configuration to reflect New SoC supports
> 2 different CPU and DDR3 speeds, 1GHz/1066MT and 600MHz/800MT.
> 
> Added new inline function board_it_k2g_g1() for the new FlipChip 1GHz,
> and set the u-boot env variable board_name accordingly.
> 
> Modified findfdt script in u-boot environment variable to include new k2g board type.
> 
> Signed-off-by: Rex Chang <rchang at ti.com>
> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
> ---
>  arch/arm/mach-keystone/include/mach/hardware.h |  7 ++++
>  arch/arm/mach-keystone/init.c                  | 17 +++++++-
>  board/ti/ks2_evm/board.h                       |  4 ++
>  board/ti/ks2_evm/board_k2g.c                   | 30 +++++++++++---
>  board/ti/ks2_evm/ddr3_k2g.c                    | 57 +++++++++++++++++++++++++-
>  board/ti/ks2_evm/mux-k2g.h                     |  2 +-
>  include/configs/k2g_evm.h                      |  4 +-
>  7 files changed, 109 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/arm/mach-keystone/include/mach/hardware.h b/arch/arm/mach-keystone/include/mach/hardware.h
> index 6629406870..e1621b27a4 100644
> --- a/arch/arm/mach-keystone/include/mach/hardware.h
> +++ b/arch/arm/mach-keystone/include/mach/hardware.h
> @@ -327,6 +327,9 @@ typedef volatile unsigned int   *dv_reg_p;
>  #define CPU_66AK2Lx	0xb9a7
>  #define CPU_66AK2Gx	0xbb06
>  
> +/* Variant definitions */
> +#define CPU_66AK2G1x	0x08
> +
>  /* DEVSPEED register */
>  #define DEVSPEED_DEVSPEED_SHIFT	16
>  #define DEVSPEED_DEVSPEED_MASK	(0xfff << 16)
> @@ -390,6 +393,10 @@ static inline u8 cpu_revision(void)
>  int cpu_to_bus(u32 *ptr, u32 length);
>  void sdelay(unsigned long);
>  
> +#ifdef CONFIG_SOC_K2G
> +extern int arm_speeds[];
> +#endif

Lets not ifdef around externs.

[snip]
> @@ -241,7 +253,8 @@ int print_cpuinfo(void)
>  		puts("1.1\n");
>  	else if (rev == 0)
>  		puts("1.0\n");
> -
> +	else if (rev == 8)
> +		puts("1.0\n");

Both values are rev "1.0" ?

Thanks!

-- 
Tom
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