[U-Boot] [PATCH v2 41/50] x86: Update device tree for TPL
Bin Meng
bmeng.cn at gmail.com
Wed May 1 16:00:39 UTC 2019
Hi Simon,
On Fri, Apr 26, 2019 at 12:00 PM Simon Glass <sjg at chromium.org> wrote:
>
> Add TPL binaries to the device x86 binman desciption. When enabled, TPL
> will start first, doing the 16-bit init, then jump to SPL and finally
> U-Boot proper.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v2: None
>
> arch/x86/dts/u-boot.dtsi | 26 ++++++++++++++++++++++++--
> 1 file changed, 24 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/dts/u-boot.dtsi b/arch/x86/dts/u-boot.dtsi
> index 1050236330a..70e9c8f7acd 100644
> --- a/arch/x86/dts/u-boot.dtsi
> +++ b/arch/x86/dts/u-boot.dtsi
> @@ -22,7 +22,21 @@
> filename = CONFIG_INTEL_ME_FILE;
> };
> #endif
> -#ifdef CONFIG_SPL
> +#ifdef CONFIG_TPL
> + u-boot-spl {
> + offset = <CONFIG_SPL_TEXT_BASE>;
> + };
> + u-boot-spl-dtb {
> + };
> + u-boot-tpl-with-ucode-ptr {
> + offset = <CONFIG_TPL_TEXT_BASE>;
> + };
> + u-boot-tpl-dtb {
> + };
nits: since TPL starts before SPL, can we put the TPL* nodes before SPL* nodes?
> + u-boot {
> + offset = <CONFIG_SYS_TEXT_BASE>;
> + };
> +#elif defined(CONFIG_SPL)
> u-boot-spl-with-ucode-ptr {
> offset = <CONFIG_SPL_TEXT_BASE>;
> };
> @@ -31,7 +45,11 @@
> type = "u-boot-dtb-with-ucode";
> };
> u-boot {
> +#if CONFIG_SYS_TEXT_BASE == 0x1110000
The magic number comparison does not look good.
> offset = <0xfff00000>;
> +#else
> + offset = <CONFIG_SYS_TEXT_BASE>;
> +#endif
> };
> #else
> u-boot-with-ucode-ptr {
> @@ -77,7 +95,11 @@
> offset = <CONFIG_X86_REFCODE_ADDR>;
> };
> #endif
> -#ifdef CONFIG_SPL
> +#ifdef CONFIG_TPL
> + x86-start16-tpl {
> + offset = <CONFIG_SYS_X86_START16>;
> + };
> +#elif defined(CONFIG_SPL)
> x86-start16-spl {
> offset = <CONFIG_SYS_X86_START16>;
> };
> --
Regards,
Bin
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