Now, Slim Bootloader uses NS16550_DYNAMIC to support serial port configuration at runtime, so no more code change is required. Therefore, remove unnecessary steps and fix minor typo.

Signed-off-by: Aiden Park aiden.park@intel.com --- doc/board/intel/slimbootloader.rst | 35 +++++++----------------------- 1 file changed, 8 insertions(+), 27 deletions(-)

diff --git a/doc/board/intel/slimbootloader.rst b/doc/board/intel/slimbootloader.rst index 375e676804..a8c41b1aa7 100644 --- a/doc/board/intel/slimbootloader.rst +++ b/doc/board/intel/slimbootloader.rst @@ -111,35 +111,16 @@ Download it from http://downloads.yoctoproject.org/releases/yocto/yocto-2.0/mach Build Instruction for Slim Bootloader for LeafHill (APL) target ---------------------------------------------------------------

-LeafHill is using PCI UART2 device as a serial port. -For MEM32 serial port, CONFIG_SYS_NS16550_MEM32 needs to be enabled in U-Boot. +Prepare U-Boot and Slim Bootloader as described at the beginning of this page. +Also, the PayloadId needs to be set for APL board.

-1. Enable CONFIG_SYS_NS16550_MEM32 in U-Boot:: - - $ vi include/configs/slimbootloader.h - +#define CONFIG_SYS_NS16550_MEM32 - #ifdef CONFIG_SYS_NS16550_MEM3 - -2. Build U-Boot:: - - $ make disclean - $ make slimbootloader_defconfig - $ make all - -3. Copy u-boot-dtb.bin to Slim Bootloader. - Slim Bootloader looks for a payload from the specific location. - Copy the build u-boot-dtb.bin to the expected location:: - - $ mkdir -p <Slim Bootloader Dir>/PayloadPkg/PayloadBins/ - $ cp <U-Boot Dir>/u-boot-dtb.bin <Slim Bootloader Dir>/PayloadPkg/PayloadBins/u-boot-dtb.bin - -4. Update PayloadId. Let's use 'U-BT' as an example:: +1. Update PayloadId. Let's use 'U-BT' as an example::

$ vi Platform/ApollolakeBoardPkg/CfgData/CfgData_Int_LeafHill.dlt -GEN_CFG_DATA.PayloadId | 'AUTO +GEN_CFG_DATA.PayloadId | 'U-BT'

-5. Update payload text base. +2. Update payload text base.

* PAYLOAD_EXE_BASE must be the same as U-Boot CONFIG_SYS_TEXT_BASE in board/intel/slimbootloader/Kconfig. @@ -149,18 +130,18 @@ For MEM32 serial port, CONFIG_SYS_NS16550_MEM32 needs to be enabled in U-Boot. + self.PAYLOAD_LOAD_HIGH = 0 + self.PAYLOAD_EXE_BASE = 0x00100000

-6. Build APL target. Make sure u-boot-dtb.bin and U-BT PayloadId +3. Build APL target. Make sure u-boot-dtb.bin and U-BT PayloadId in build command. The output is Outputs/apl/Stitch_Components.zip::

$ python BuildLoader.py build apl -p "OsLoader.efi:LLDR:Lz4;u-boot-dtb.bin:U-BT:Lzma"

-7. Stitch IFWI. +4. Stitch IFWI.

Refer to Apollolake_ page in Slim Bootloader document site::

$ python Platform/ApollolakeBoardPkg/Script/StitchLoader.py -i <Existing IFWI> -s Outputs/apl/Stitch_Components.zip -o <Output IFWI>

-8. Flash IFWI. +5. Flash IFWI.

Use DediProg to flash IFWI. You should reach at U-Boot serial console.

@@ -175,7 +156,7 @@ Build Instruction to use ELF U-Boot

2. Build U-Boot::

- $ make disclean + $ make distclean $ make slimbootloader_defconfig $ make all $ strip u-boot (removing symbol for reduced size)