From 81e0d689c07818d6a6554240947e5ab16bf3afc4 Mon Sep 17 00:00:00 2001
From: Martin Roth <gaumless@gmail.com>
Date: Sun, 22 May 2022 18:52:18 -0600
Subject: Documentation: Move intelp2m from description.md to Documention

The description.md file for the intelp2m utility wasn't the description
that was needed - just a subject, and what language it was written in.
It was instead a set of more full documentation, so move it into the
Documentation directory and create a new description file.

Change-Id: Ia180ae41f91f8b8eb408351a9e44e899edc031d3
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64578
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
---
 Documentation/util.md                      |   1 +
 Documentation/util/intelp2m/gopackages.png | Bin 0 -> 11594 bytes
 Documentation/util/intelp2m/index.md       | 177 ++++++++++++++++++++++++++++
 util/intelp2m/config/gopackages.png        | Bin 11594 -> 0 bytes
 util/intelp2m/description.md               | 179 +----------------------------
 5 files changed, 180 insertions(+), 177 deletions(-)
 create mode 100644 Documentation/util/intelp2m/gopackages.png
 create mode 100644 Documentation/util/intelp2m/index.md
 delete mode 100644 util/intelp2m/config/gopackages.png

diff --git a/Documentation/util.md b/Documentation/util.md
index ddcd2a1191a4..0c50d30eb2b2 100644
--- a/Documentation/util.md
+++ b/Documentation/util.md
@@ -157,6 +157,7 @@ the documentation `Bash`
 
 * [cbfstool](util/cbfstool/index.md)
 * [ifdtool](util/ifdtool/index.md)
+* [intelp2m](util/intelp2m/index.md)
 
 ## Generated documentation
 
diff --git a/Documentation/util/intelp2m/gopackages.png b/Documentation/util/intelp2m/gopackages.png
new file mode 100644
index 000000000000..fb81a1ce1f38
Binary files /dev/null and b/Documentation/util/intelp2m/gopackages.png differ
diff --git a/Documentation/util/intelp2m/index.md b/Documentation/util/intelp2m/index.md
new file mode 100644
index 000000000000..906481797255
--- /dev/null
+++ b/Documentation/util/intelp2m/index.md
@@ -0,0 +1,177 @@
+Intel Pad to Macro (intelp2m) converter
+=======================================
+
+This utility allows to convert the configuration DW0/1 registers value
+from [inteltool](../inteltool/description.md) dump to coreboot macros.
+
+```bash
+(shell)$ make
+(shell)$ ./intelp2m -h
+(shell)$ ./intelp2m -file /path/to/inteltool.log
+```
+
+### Platforms
+
+It is possible to use templates for parsing files of excellent inteltool.log.
+To specify such a pattern, use the option -t <template number>. For example,
+using template type # 1, you can parse gpio.h from an already added board in
+the coreboot project.
+```bash
+(shell)$ ./intelp2m -h
+	-t
+	template type number
+		0 - inteltool.log (default)
+		1 - gpio.h
+		2 - your template
+(shell)$ ./intelp2m -t 1 -file coreboot/src/mainboard/yourboard/gpio.h
+```
+You can also add a template to 'parser/template.go' for your file type with
+the configuration of the pads.
+
+platform type is set using the -p option (Sunrise by default):
+```bash
+	-p string
+	set up a platform
+		snr - Sunrise PCH with Skylake/Kaby Lake CPU
+		lbg - Lewisburg PCH with Xeon SP CPU
+		apl - Apollo Lake SoC
+		cnl - CannonLake-LP or Whiskeylake/Coffeelake/Cometlake-U SoC
+		adl - AlderLake PCH
+	(default "snr")
+
+(shell)$ ./intelp2m -p <platform> -file path/to/inteltool.log
+```
+
+### Packages
+
+![][pckgs]
+
+[pckgs]: config/gopackages.png
+
+### Bit fields in macros
+
+Use the -fld=cb option to only generate a sequence of bit fields in a new macro:
+
+```bash
+(shell)$ ./intelp2m -fld cb -p apl -file ../apollo-inteltool.log
+```
+```c
+_PAD_CFG_STRUCT(GPIO_37, PAD_FUNC(NF1) | PAD_TRIG(OFF) | PAD_TRIG(OFF), PAD_PULL(DN_20K)), /* LPSS_UART0_TXD */
+```
+
+### Raw DW0, DW1 register value
+
+To generate the gpio.c with raw PAD_CFG_DW0 and PAD_CFG_DW1 register values you need
+to use the -fld=raw option:
+
+```bash
+  (shell)$ ./intelp2m -fld raw -file /path/to/inteltool.log
+```
+```c
+_PAD_CFG_STRUCT(GPP_A10, 0x44000500, 0x00000000),
+```
+
+```bash
+  (shell)$ ./intelp2m -iiii -fld raw -file /path/to/inteltool.log
+```
+```c
+/* GPP_A10 - CLKOUT_LPC1 */
+/* DW0: 0x44000500, DW1: 0x00000000 */
+/* DW0: 0x04000100 - IGNORED */
+/* PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1), */
+_PAD_CFG_STRUCT(GPP_A10, 0x44000500, 0x00000000),
+```
+
+### Macro Check
+
+After generating the macro, the utility checks all used
+fields of the configuration registers. If some field has been
+ignored, the utility generates field macros. To not check
+macros, use the -n option:
+```bash
+(shell)$ ./intelp2m -n -file /path/to/inteltool.log
+```
+
+In this case, some fields of the configuration registers
+DW0 will be ignored.
+```c
+PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_38, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD),
+PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD),
+```
+
+### Information level
+
+The utility can generate additional information about the bit
+fields of the DW0 and DW1 configuration registers. Using the
+options -i, -ii, -iii, -iiii you can set the info level from
+1 to 4:
+
+```bash
+(shell)$./intelp2m -i -file /path/to/inteltool.log
+```
+```c
+_PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP) | PAD_TRIG(OFF), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)),	/* LPSS_UART0_TXD */
+```
+
+```bash
+(shell)$./intelp2m -ii -file /path/to/inteltool.log
+(shell)$./intelp2m -iii -file /path/to/inteltool.log
+(shell)$./intelp2m -iiii -file /path/to/inteltool.log
+```
+```c
+/* GPIO_39 - LPSS_UART0_TXD */
+/* DW0: 0x44000400, DW1: 0x00003100 */ --> (ii)
+/* DW0 : PAD_TRIG(OFF) - IGNORED */ --> (iii)
+/* PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD), */ --> (iiii)
+_PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP) | PAD_TRIG(OFF), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)),
+```
+
+If the -n switch was used and macros was generated without checking:
+```c
+/* GPIO_39 - LPSS_UART0_TXD */ --> (i)
+/* DW0: 0x44000400, DW1: 0x00003100 */ --> (ii)
+/* DW0: PAD_TRIG(OFF) - IGNORED */ --> (iii)
+/* _PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP) | PAD_TRIG(OFF), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)), */ --> (iiii)
+PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD),
+```
+
+### Ignoring Fields
+
+Utilities can generate the _PAD_CFG_STRUCT macro and exclude fields
+from it that are not in the corresponding PAD_CFG_*() macro:
+
+```bash
+(shell)$ ./intelp2m -iiii -fld cb -ign -file /path/to/inteltool.log
+```
+```c
+/* GPIO_39 - LPSS_UART0_TXD */
+/* DW0: 0x44000400, DW1: 0x00003100 */
+/* DW0: PAD_TRIG(OFF) - IGNORED */
+/* PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD), */
+_PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)),
+```
+
+### FSP-style macro
+
+The utility allows to generate macros that include fsp/edk2-palforms style bitfields:
+
+```bash
+(shell)$ ./intelp2m -i -fld fsp -p lbg -file ../crb-inteltool.log
+```
+```c
+{ GPIO_SKL_H_GPP_A12, { GpioPadModeGpio, GpioHostOwnAcpi, GpioDirInInvOut, GpioOutLow, GpioIntSci | GpioIntLvlEdgDis, GpioResetNormal, GpioTermNone,  GpioPadConfigLock },	/* GPIO */
+```
+
+```bash
+(shell)$ ./intelp2m -iiii -fld fsp -p lbg -file ../crb-inteltool.log
+```
+```c
+/* GPP_A12 - GPIO */
+/* DW0: 0x80880102, DW1: 0x00000000 */
+/* PAD_CFG_GPI_SCI(GPP_A12, NONE, PLTRST, LEVEL, INVERT), */
+{ GPIO_SKL_H_GPP_A12, { GpioPadModeGpio, GpioHostOwnAcpi, GpioDirInInvOut, GpioOutLow, GpioIntSci | GpioIntLvlEdgDis, GpioResetNormal, GpioTermNone,  GpioPadConfigLock },
+```
+
+### Supports Chipsets
+
+  Sunrise PCH, Lewisburg PCH, Apollo Lake SoC, CannonLake-LP SoCs
diff --git a/util/intelp2m/config/gopackages.png b/util/intelp2m/config/gopackages.png
deleted file mode 100644
index fb81a1ce1f38..000000000000
Binary files a/util/intelp2m/config/gopackages.png and /dev/null differ
diff --git a/util/intelp2m/description.md b/util/intelp2m/description.md
index 906481797255..fd1a15b59920 100644
--- a/util/intelp2m/description.md
+++ b/util/intelp2m/description.md
@@ -1,177 +1,2 @@
-Intel Pad to Macro (intelp2m) converter
-=======================================
-
-This utility allows to convert the configuration DW0/1 registers value
-from [inteltool](../inteltool/description.md) dump to coreboot macros.
-
-```bash
-(shell)$ make
-(shell)$ ./intelp2m -h
-(shell)$ ./intelp2m -file /path/to/inteltool.log
-```
-
-### Platforms
-
-It is possible to use templates for parsing files of excellent inteltool.log.
-To specify such a pattern, use the option -t <template number>. For example,
-using template type # 1, you can parse gpio.h from an already added board in
-the coreboot project.
-```bash
-(shell)$ ./intelp2m -h
-	-t
-	template type number
-		0 - inteltool.log (default)
-		1 - gpio.h
-		2 - your template
-(shell)$ ./intelp2m -t 1 -file coreboot/src/mainboard/yourboard/gpio.h
-```
-You can also add a template to 'parser/template.go' for your file type with
-the configuration of the pads.
-
-platform type is set using the -p option (Sunrise by default):
-```bash
-	-p string
-	set up a platform
-		snr - Sunrise PCH with Skylake/Kaby Lake CPU
-		lbg - Lewisburg PCH with Xeon SP CPU
-		apl - Apollo Lake SoC
-		cnl - CannonLake-LP or Whiskeylake/Coffeelake/Cometlake-U SoC
-		adl - AlderLake PCH
-	(default "snr")
-
-(shell)$ ./intelp2m -p <platform> -file path/to/inteltool.log
-```
-
-### Packages
-
-![][pckgs]
-
-[pckgs]: config/gopackages.png
-
-### Bit fields in macros
-
-Use the -fld=cb option to only generate a sequence of bit fields in a new macro:
-
-```bash
-(shell)$ ./intelp2m -fld cb -p apl -file ../apollo-inteltool.log
-```
-```c
-_PAD_CFG_STRUCT(GPIO_37, PAD_FUNC(NF1) | PAD_TRIG(OFF) | PAD_TRIG(OFF), PAD_PULL(DN_20K)), /* LPSS_UART0_TXD */
-```
-
-### Raw DW0, DW1 register value
-
-To generate the gpio.c with raw PAD_CFG_DW0 and PAD_CFG_DW1 register values you need
-to use the -fld=raw option:
-
-```bash
-  (shell)$ ./intelp2m -fld raw -file /path/to/inteltool.log
-```
-```c
-_PAD_CFG_STRUCT(GPP_A10, 0x44000500, 0x00000000),
-```
-
-```bash
-  (shell)$ ./intelp2m -iiii -fld raw -file /path/to/inteltool.log
-```
-```c
-/* GPP_A10 - CLKOUT_LPC1 */
-/* DW0: 0x44000500, DW1: 0x00000000 */
-/* DW0: 0x04000100 - IGNORED */
-/* PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1), */
-_PAD_CFG_STRUCT(GPP_A10, 0x44000500, 0x00000000),
-```
-
-### Macro Check
-
-After generating the macro, the utility checks all used
-fields of the configuration registers. If some field has been
-ignored, the utility generates field macros. To not check
-macros, use the -n option:
-```bash
-(shell)$ ./intelp2m -n -file /path/to/inteltool.log
-```
-
-In this case, some fields of the configuration registers
-DW0 will be ignored.
-```c
-PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_38, UP_20K, DEEP, NF1, HIZCRx1, DISPUPD),
-PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD),
-```
-
-### Information level
-
-The utility can generate additional information about the bit
-fields of the DW0 and DW1 configuration registers. Using the
-options -i, -ii, -iii, -iiii you can set the info level from
-1 to 4:
-
-```bash
-(shell)$./intelp2m -i -file /path/to/inteltool.log
-```
-```c
-_PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP) | PAD_TRIG(OFF), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)),	/* LPSS_UART0_TXD */
-```
-
-```bash
-(shell)$./intelp2m -ii -file /path/to/inteltool.log
-(shell)$./intelp2m -iii -file /path/to/inteltool.log
-(shell)$./intelp2m -iiii -file /path/to/inteltool.log
-```
-```c
-/* GPIO_39 - LPSS_UART0_TXD */
-/* DW0: 0x44000400, DW1: 0x00003100 */ --> (ii)
-/* DW0 : PAD_TRIG(OFF) - IGNORED */ --> (iii)
-/* PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD), */ --> (iiii)
-_PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP) | PAD_TRIG(OFF), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)),
-```
-
-If the -n switch was used and macros was generated without checking:
-```c
-/* GPIO_39 - LPSS_UART0_TXD */ --> (i)
-/* DW0: 0x44000400, DW1: 0x00003100 */ --> (ii)
-/* DW0: PAD_TRIG(OFF) - IGNORED */ --> (iii)
-/* _PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP) | PAD_TRIG(OFF), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)), */ --> (iiii)
-PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD),
-```
-
-### Ignoring Fields
-
-Utilities can generate the _PAD_CFG_STRUCT macro and exclude fields
-from it that are not in the corresponding PAD_CFG_*() macro:
-
-```bash
-(shell)$ ./intelp2m -iiii -fld cb -ign -file /path/to/inteltool.log
-```
-```c
-/* GPIO_39 - LPSS_UART0_TXD */
-/* DW0: 0x44000400, DW1: 0x00003100 */
-/* DW0: PAD_TRIG(OFF) - IGNORED */
-/* PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_39, UP_20K, DEEP, NF1, TxLASTRxE, DISPUPD), */
-_PAD_CFG_STRUCT(GPIO_39, PAD_FUNC(NF1) | PAD_RESET(DEEP), PAD_PULL(UP_20K) | PAD_IOSTERM(DISPUPD)),
-```
-
-### FSP-style macro
-
-The utility allows to generate macros that include fsp/edk2-palforms style bitfields:
-
-```bash
-(shell)$ ./intelp2m -i -fld fsp -p lbg -file ../crb-inteltool.log
-```
-```c
-{ GPIO_SKL_H_GPP_A12, { GpioPadModeGpio, GpioHostOwnAcpi, GpioDirInInvOut, GpioOutLow, GpioIntSci | GpioIntLvlEdgDis, GpioResetNormal, GpioTermNone,  GpioPadConfigLock },	/* GPIO */
-```
-
-```bash
-(shell)$ ./intelp2m -iiii -fld fsp -p lbg -file ../crb-inteltool.log
-```
-```c
-/* GPP_A12 - GPIO */
-/* DW0: 0x80880102, DW1: 0x00000000 */
-/* PAD_CFG_GPI_SCI(GPP_A12, NONE, PLTRST, LEVEL, INVERT), */
-{ GPIO_SKL_H_GPP_A12, { GpioPadModeGpio, GpioHostOwnAcpi, GpioDirInInvOut, GpioOutLow, GpioIntSci | GpioIntLvlEdgDis, GpioResetNormal, GpioTermNone,  GpioPadConfigLock },
-```
-
-### Supports Chipsets
-
-  Sunrise PCH, Lewisburg PCH, Apollo Lake SoC, CannonLake-LP SoCs
+convert the configuration DW0/1 registers value from an inteltool dump
+to coreboot macros. 'go'
-- 
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