KunYi’s gists

KunYi / mu_lp5_8gb.spd.hex

Last active July 31, 2024 10:29

SPD for LattePanda MU LP5 8GB

KunYi / gpio.c

Created July 31, 2024 08:55

LattePanda Mu GPIO Inititionlization Code for EMMC/HDMI(DDIB)

	/* SPDX-License-Identifier: GPL-2.0-only */

	#include <baseboard/gpio.h>
	#include <baseboard/variants.h>
	#include <commonlib/helpers.h>

	/* Pad configuration in ramstage*/
	static const struct pad_config gpio_table[] = {
	/* ESPI_IO0_EC_R / ESPI_IO0_HDR */
	PAD_CFG_NF(GPP_A0, NONE, DEEP, NF1),

KunYi / lattepanda_mu_memory_parameters.c

Created July 29, 2024 13:45

memory initial parameters for LattePanda MU

	/* SPDX-License-Identifier: GPL-2.0-only */

	#include <baseboard/variants.h>
	#include <console/console.h>
	#include <soc/romstage.h>

	static const struct mb_cfg mu_lp5_mem_config = {
	.type = MEM_TYPE_LP5X,

	/* DQ byte map */

KunYi / lattepanda_mu_booting.log

Created July 29, 2024 13:43

coreboot on LattePanda Mu booting log

	[NOTE ] coreboot-96a61745ea29-dirty Mon Jul 29 10:28:36 UTC 2024 x86_32 bootblock starting (log level: 7)...
	[DEBUG] CPU: Intel(R) N100
	[DEBUG] CPU: ID b06e0, Alderlake-N Platform, ucode: 00000015
	[DEBUG] CPU: AES supported, TXT NOT supported, VT supported
	[INFO ] Cache: Level 3: Associativity = 12 Partitions = 1 Line Size = 64 Sets = 8192
	[INFO ] Cache size = 6 MiB
	[DEBUG] MCH: device id 461c (rev 00) is Alderlake-N
	[DEBUG] PCH: device id 5481 (rev 00) is Alderlake-N SKU
	[DEBUG] IGD: device id 46d1 (rev 00) is Alderlake N GT2
	[DEBUG] FMAP: Found "FLASH" version 1.1 at 0x610000.

KunYi / coreboot_fspmemoryinit.log

Created July 28, 2024 10:21

Debugging LatteMu FspMemoryInit()

	[NOTE ] coreboot-d7e9b73722fb Sat Jul 27 12:49:33 UTC 2024 x86_32 bootblock starting (log level: 8)...
	[DEBUG] CPU: Intel(R) N100
	[DEBUG] CPU: ID b06e0, Alderlake-N Platform, ucode: 00000015
	[DEBUG] CPU: AES supported, TXT NOT supported, VT supported
	[INFO ] Cache: Level 3: Associativity = 12 Partitions = 1 Line Size = 64 Sets = 8192
	[INFO ] Cache size = 6 MiB
	[DEBUG] MCH: device id 461c (rev 00) is Alderlake-N
	[DEBUG] PCH: device id 5481 (rev 00) is Alderlake-N SKU
	[DEBUG] IGD: device id 46d1 (rev 00) is Alderlake N GT2
	[DEBUG] FMAP: Found "FLASH" version 1.1 at 0x610000.

KunYi / LP-BS-S70NC1R200-SR-A.xml

Created July 19, 2024 11:06

LattePanda Mu BIOS CSME Decompress

	<?xml version="1.0" ?>
	<FitData version="" layout_name="Intel(R) AlderLake N Chipset - Consumer - SPI">
	<BuildSettings label="Build Settings">
	<BuildResults label="Build Results">
	<MeuToolPath value="" label="Intel(R) Manifest Extension Utility Path" help_text="" key="ManifestSigningUtilPlugin:SigningContainer:MeuToolPath"/>
	<OpenSSLToolPath value="" label="Open SSL Signing Tool Path" help_text="" key="ManifestSigningUtilPlugin:SigningContainer:OpenSSLToolPath"/>
	<SigningEnabled value="Disabled" value_list="['Disabled', 'Enabled']" label="Signing Enabled" help_text="" key="ManifestSigningUtilPlugin:SigningContainer:SigningEnabled"/>
	<DescSigningKey value="" label="Descriptor Debug Signing Key" help_text="This is the path to the private debug key used to sign the Descriptor, while public key hash of it is included in the OEM hash manifest. This setting is operative only when Flash Descriptor Verification is enabled (See DescConfiguration/FdvEnabled)." key="Descript

KunYi / 01_SPD_0x00D9977D.txt

Created July 19, 2024 03:32

SPDs informations from LP-BS-S70NC1R200-SR-A.bin of LattePanda MU

KunYi / enc.py

Created July 12, 2024 16:56

generation otp.bin for SWTG-118AS check otp

	#!/usr/bin/python3

	from Crypto.Cipher import AES
	import binascii

	def get_uid(uid_string):
	"""
	Convert the UID string to lowercase and then to a byte array of specified length.

	Parameters:

KunYi / ifd_dump_LP-BS-S70NC1R200-SR-A.log

Last active July 5, 2024 05:45

using ifdtool of coreboot tools to dump BIOS image of LattePanda Mu

	$ ifdtool --platform adl --dump LP-BS-S70NC1R200-SR-A.bin
	File LP-BS-S70NC1R200-SR-A.bin is 16777216 bytes
	PCH Revision: 500 series Tiger Point/ 600 series Alder Point
	FLMAP0: 0x00040003
	FRBA: 0x40
	NC: 1
	FCBA: 0x30
	FLMAP1: 0x46100208
	PSL: 0x46
	FPSBA: 0x100

KunYi / coreboot_build.log

Created July 5, 2024 03:46

coreboot 24.05 build log for Alder Lake N with ChromOS EC

	kunyi@kunyi-TP-P53:/tmp/coreboot-24.05$ make
	#
	# No change to /tmp/coreboot-24.05/.config
	#
	MAKE
	vboot SHA256 built with tight loops (slower, smaller code size)
	CC firmware/2lib/2api.o
	CC firmware/2lib/2auxfw_sync.o
	CC firmware/2lib/2common.o
	CC firmware/2lib/2context.o

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