[U-Boot] [U-Boot, 4/6] arm64: sunxi: adjust default load addresses

Hans de Goede hdegoede at redhat.com
Sun May 15 12:12:43 CEST 2016


Hi,

On 04-05-16 23:15, Andre Przywara wrote:
> As arm64 has slightly different expectations about load addresses, lets
> use a different set of default addresses for things like the kernel.
> As arm64 kernels don't come with a decompressor right now, reserve some
> more space for really big uncompressed kernels.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>

Thanks, looks good to me applied to:

http://git.denx.de/?p=u-boot/u-boot-sunxi.git;a=shortlog;h=refs/heads/next

This will be part of my first pull-req for u-boot v2016.07.

Regards,

Hans


> ---
>  include/configs/sunxi-common.h | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
>
> diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
> index 2406115..16f1a2c 100644
> --- a/include/configs/sunxi-common.h
> +++ b/include/configs/sunxi-common.h
> @@ -390,6 +390,23 @@ extern int soft_i2c_gpio_scl;
>  #define CONFIG_PRE_CONSOLE_BUFFER
>  #define CONFIG_PRE_CON_BUF_SZ		4096 /* Aprox 2 80*25 screens */
>
> +#ifdef CONFIG_ARM64
> +/*
> + * Boards seem to come with at least 512MB of DRAM.
> + * The kernel should go at 512K, which is the default text offset (that will
> + * be adjusted at runtime if needed).
> + * There is no compression for arm64 kernels (yet), so leave some space
> + * for really big kernels, say 256MB for now.
> + * Scripts, PXE and DTBs should go afterwards, leaving the rest for the initrd.
> + * Align the initrd to a 2MB page.
> + */
> +#define KERNEL_ADDR_R	__stringify(SDRAM_OFFSET(0080000))
> +#define FDT_ADDR_R	__stringify(SDRAM_OFFSET(FA00000))
> +#define SCRIPT_ADDR_R	__stringify(SDRAM_OFFSET(FC00000))
> +#define PXEFILE_ADDR_R	__stringify(SDRAM_OFFSET(FD00000))
> +#define RAMDISK_ADDR_R	__stringify(SDRAM_OFFSET(FE00000))
> +
> +#else
>  /*
>   * 160M RAM (256M minimum minus 64MB heap + 32MB for u-boot, stack, fb, etc.
>   * 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
> @@ -401,6 +418,7 @@ extern int soft_i2c_gpio_scl;
>  #define SCRIPT_ADDR_R  __stringify(SDRAM_OFFSET(3100000))
>  #define PXEFILE_ADDR_R __stringify(SDRAM_OFFSET(3200000))
>  #define RAMDISK_ADDR_R __stringify(SDRAM_OFFSET(3300000))
> +#endif
>
>  #define MEM_LAYOUT_ENV_SETTINGS \
>  	"bootm_size=0xa000000\0" \
>


More information about the U-Boot mailing list