u-boot.git/arch/powerpc/Kconfig, branch master Unnamed repository; edit this file 'description' to name the repository. watchdog: mpc8xx: Rename it mpc8xxx 2023-04-05T17:46:18+00:00 Christophe Leroy christophe.leroy@csgroup.eu 2023-04-03T08:27:39+00:00 21eaade449e6e50f8c41ee65953126e2a1e5d683 mpc8xx, mpc83xx and mpc86xx have similar watchdog with almost same memory registers. Rename it mpc8xxx which is the generic name used for drivers supporting several mpc families. The driver will be made more generic in following patch. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> 
mpc8xx, mpc83xx and mpc86xx have similar watchdog with almost same
memory registers.

Rename it mpc8xxx which is the generic name used for drivers supporting
several mpc families.

The driver will be made more generic in following patch.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
driver, gpio: Add support for MPC 8xx CPU ports 2023-02-11T07:47:58+00:00 Christophe Leroy christophe.leroy@csgroup.eu 2022-10-14T08:01:41+00:00 02239394988d363b65234be9f7ca75f864e523b3 Ports A, C and D are 16 bits ports. Ports B and E are 32 bits ports. The "compatible" is used to determine each port type. This patch was originally written by Charles Frey who's email address is not valid anymore as he left the company. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: FRANJOU Stephane <stephane.franjou@csgroup.eu> 
Ports A, C and D are 16 bits ports.
Ports B and E are 32 bits ports.

The "compatible" is used to determine each port type.

This patch was originally written by Charles Frey who's
email address is not valid anymore as he left the company.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: FRANJOU Stephane <stephane.franjou@csgroup.eu>
Convert CONFIG_HOSTNAME et al to Kconfig 2022-12-22T15:31:48+00:00 Tom Rini trini@konsulko.com 2022-12-02T21:42:27+00:00 54f80dd2908af0b851816cf062edf2d454948397 This converts the following to Kconfig: CONFIG_GATEWAYIP CONFIG_HOSTNAME CONFIG_IPADDR CONFIG_NETMASK CONFIG_ROOTPATH CONFIG_SERVERIP CONFIG_UBOOTPATH To do this, we introduce a CONFIG_USE_ form of each of the above and change include/env_default.h to test for that to be set before setting a value. Further, we don't want to stringify the IP address related values as they are now properly strings via Kconfig. Signed-off-by: Tom Rini <trini@konsulko.com> 
This converts the following to Kconfig:
   CONFIG_GATEWAYIP
   CONFIG_HOSTNAME
   CONFIG_IPADDR
   CONFIG_NETMASK
   CONFIG_ROOTPATH
   CONFIG_SERVERIP
   CONFIG_UBOOTPATH

To do this, we introduce a CONFIG_USE_ form of each of the above and
change include/env_default.h to test for that to be set before setting a
value. Further, we don't want to stringify the IP address related values
as they are now properly strings via Kconfig.

Signed-off-by: Tom Rini <trini@konsulko.com>
Convert CONFIG_FSL_LBC to Kconfig 2022-12-05T21:06:43+00:00 Tom Rini trini@konsulko.com 2022-11-19T23:45:12+00:00 d58d0663cbaa6a1ff9a71cafe777a2346ef24dc6 This converts the following to Kconfig: CONFIG_FSL_LBC Signed-off-by: Tom Rini <trini@konsulko.com> 
This converts the following to Kconfig:
   CONFIG_FSL_LBC

Signed-off-by: Tom Rini <trini@konsulko.com>
Convert CONFIG_SYS_SRIO et al to Kconfig 2022-12-05T21:06:07+00:00 Tom Rini trini@konsulko.com 2022-11-16T18:10:39+00:00 97396cc9ce9963ece8778b3a7c6f918745ef25b2 This converts the following to Kconfig: CONFIG_SRIO1 CONFIG_SRIO2 CONFIG_SRIO_PCIE_BOOT_MASTER CONFIG_SYS_SRIO Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
This converts the following to Kconfig:
   CONFIG_SRIO1
   CONFIG_SRIO2
   CONFIG_SRIO_PCIE_BOOT_MASTER
   CONFIG_SYS_SRIO

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Convert CONFIG_SYS_INIT_RAM_LOCK to Kconfig 2022-11-10T14:45:53+00:00 Tom Rini trini@konsulko.com 2022-10-29T00:26:55+00:00 d3d0b5bb622d36851afffa4a60a8ec3c31db2572 This converts the following to Kconfig: CONFIG_SYS_INIT_RAM_LOCK Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
This converts the following to Kconfig:
   CONFIG_SYS_INIT_RAM_LOCK

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Makefile: Reduce usage of custom mpc85xx u-boot.bin target 2022-09-16T15:39:42+00:00 Pali Rohár pali@kernel.org 2022-08-03T11:24:42+00:00 5af42eafd7e132ba36740e6438ee5e6fac2062ae Building of final u-boot.bin binary for mpc85xx via binman is needed only when inserting DTB binary in the middle of the u-boot ELF binary (before .bootpg and .resetvec ELF sections). These requirements are met when CONFIG_MPC85XX_HAVE_RESET_VECTOR is enabled (= generating .bootpg/.resetvec sections) and CONFIG_OF_SEPARATE is enabled (= inserting DTB binary). So in all other cases use standard build procedure instead of custom mpc85xx u-boot.bin Makefile target via binman. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Marek Behún <kabel@kernel.org> 
Building of final u-boot.bin binary for mpc85xx via binman is needed only
when inserting DTB binary in the middle of the u-boot ELF binary (before
.bootpg and .resetvec ELF sections).

These requirements are met when CONFIG_MPC85XX_HAVE_RESET_VECTOR is enabled
(= generating .bootpg/.resetvec sections) and CONFIG_OF_SEPARATE is enabled
(= inserting DTB binary).

So in all other cases use standard build procedure instead of custom
mpc85xx u-boot.bin Makefile target via binman.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Convert CONFIG_SYS_FSL_CCSR_GUR_BE et al to Kconfig 2022-08-04T20:18:48+00:00 Tom Rini trini@konsulko.com 2022-07-23T17:05:09+00:00 923a855509c6114b044b6358c98f1857f52ab80b This converts the following to Kconfig: CONFIG_SYS_FSL_CCSR_GUR_BE CONFIG_SYS_FSL_CCSR_SCFG_BE CONFIG_SYS_FSL_ESDHC_BE CONFIG_SYS_FSL_IFC_BE CONFIG_SYS_FSL_PEX_LUT_BE CONFIG_SYS_FSL_CCSR_GUR_LE CONFIG_SYS_FSL_CCSR_SCFG_LE CONFIG_SYS_FSL_ESDHC_LE CONFIG_SYS_FSL_IFC_LE CONFIG_SYS_FSL_PEX_LUT_LE Signed-off-by: Tom Rini <trini@konsulko.com> 
This converts the following to Kconfig:
   CONFIG_SYS_FSL_CCSR_GUR_BE
   CONFIG_SYS_FSL_CCSR_SCFG_BE
   CONFIG_SYS_FSL_ESDHC_BE
   CONFIG_SYS_FSL_IFC_BE
   CONFIG_SYS_FSL_PEX_LUT_BE
   CONFIG_SYS_FSL_CCSR_GUR_LE
   CONFIG_SYS_FSL_CCSR_SCFG_LE
   CONFIG_SYS_FSL_ESDHC_LE
   CONFIG_SYS_FSL_IFC_LE
   CONFIG_SYS_FSL_PEX_LUT_LE

Signed-off-by: Tom Rini <trini@konsulko.com>
ppc: Remove sbc8641d board 2021-07-07T23:52:24+00:00 Tom Rini trini@konsulko.com 2021-05-15T01:34:26+00:00 1c58857ad7913d618d0d9cde5aaf8a13bc7b0341 This board has not been converted to CONFIG_DM_PCI by the deadline and is also missing conversion to CONFIG_DM. Remove it. This is also the last of the ARCH_MPC8641/MPC8610 platforms, so remove that support as well. Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Priyanka Jain <priyanka.jain@nxp.com> Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
This board has not been converted to CONFIG_DM_PCI by the deadline and is
also missing conversion to CONFIG_DM.  Remove it.  This is also the last
of the ARCH_MPC8641/MPC8610 platforms, so remove that support as well.

Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Priyanka Jain <priyanka.jain@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
powerpc: introduce CONFIG_CACHE_FLUSH_WATCHDOG_THRESHOLD 2021-04-27T06:28:07+00:00 Rasmus Villemoes rasmus.villemoes@prevas.dk 2021-04-21T09:16:03+00:00 729c1fe656913f0d5b09e986fec9976020a3363c When flush_cache() is called during boot on our ~7M kernel image, the hundreds of thousands of WATCHDOG_RESET calls end up adding significantly to boottime. Flushing a single cache line doesn't take many microseconds, so doing these calls for every cache line is complete overkill. The generic watchdog_reset() provided by wdt-uclass.c actually contains some rate-limiting logic that should in theory mitigate this, but alas, that rate-limiting must be disabled on powerpc because of its get_timer() implementation - get_timer() works just fine until interrupts are disabled, but it just so happens that the "big" flush_cache() call happens in the part of bootm where interrupts are indeed disabled. [1] [2] [3] I have checked with objdump that the generated code doesn't change when this option is left at its default value of 0: gcc is smart enough to see that the ">=" comparison is tautologically true, hence all assignments to "flushed" are eliminated as dead stores. On our board, setting the option to something like 65536 ends up reducing total boottime by about 0.8 seconds. [1] https://patchwork.ozlabs.org/project/uboot/patch/20200605111657.28773-1-rasmus.villemoes@prevas.dk/ [2] https://lists.denx.de/pipermail/u-boot/2021-April/446906.html [3] https://lists.denx.de/pipermail/u-boot/2021-April/447280.html Reviewed-by: Stefan Roese <sr@denx.de> Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> 
When flush_cache() is called during boot on our ~7M kernel image, the
hundreds of thousands of WATCHDOG_RESET calls end up adding
significantly to boottime. Flushing a single cache line doesn't take
many microseconds, so doing these calls for every cache line is
complete overkill.

The generic watchdog_reset() provided by wdt-uclass.c actually
contains some rate-limiting logic that should in theory mitigate this,
but alas, that rate-limiting must be disabled on powerpc because of
its get_timer() implementation - get_timer() works just fine until
interrupts are disabled, but it just so happens that the "big"
flush_cache() call happens in the part of bootm where interrupts are
indeed disabled. [1] [2] [3]

I have checked with objdump that the generated code doesn't change
when this option is left at its default value of 0: gcc is smart
enough to see that the ">=" comparison is tautologically true, hence
all assignments to "flushed" are eliminated as dead stores.

On our board, setting the option to something like 65536 ends up
reducing total boottime by about 0.8 seconds.

[1] https://patchwork.ozlabs.org/project/uboot/patch/20200605111657.28773-1-rasmus.villemoes@prevas.dk/
[2] https://lists.denx.de/pipermail/u-boot/2021-April/446906.html
[3] https://lists.denx.de/pipermail/u-boot/2021-April/447280.html

Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>