[PATCH v3 1/2] configs: phycore-rk3288: Enable CONFIG_LTO

[Kever Yang]

Hi Wadim, Samuel,

     Migrate to use the TPL+SPL can fix the size limit issue.

On 2023/1/22 08:08, Samuel Holland wrote:
> From: Wadim Egorov <w.egorov at phytec.de>
>
> The phycore-rk3288 SPL binary is reaching the limits of 32KB very often.
> Enable CONFIG_LTO to reduce the size of the SPL and make the board more
> future proof for changes increasing the SPL size.
>
> Signed-off-by: Wadim Egorov <w.egorov at phytec.de>
> Signed-off-by: Samuel Holland <samuel at sholland.org>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>
> Changes in v3:
>   - New patch for v3
>
>   configs/phycore-rk3288_defconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/configs/phycore-rk3288_defconfig b/configs/phycore-rk3288_defconfig
> index 0632a928bc..f2a92e25a8 100644
> --- a/configs/phycore-rk3288_defconfig
> +++ b/configs/phycore-rk3288_defconfig
> @@ -15,6 +15,7 @@ CONFIG_DEBUG_UART_BASE=0xff690000
>   CONFIG_DEBUG_UART_CLOCK=24000000
>   CONFIG_SYS_LOAD_ADDR=0x800800
>   CONFIG_DEBUG_UART=y
> +CONFIG_LTO=y
>   CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>   CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x100000
>   CONFIG_SYS_MONITOR_LEN=614400