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4 years agoARM: imx6: DHCOM i.MX6 PDK: Fix usb-otg VBUS regulator
Harald Seiler [Thu, 16 Apr 2020 08:52:19 +0000 (10:52 +0200)]
ARM: imx6: DHCOM i.MX6 PDK: Fix usb-otg VBUS regulator

During the conversion of this board to DM_REGULATOR, usb-mass-storage
was broken and started failing with the following error:

        => ums 0 mmc 2
        UMS: LUN 0, dev 2, hwpart 0, sector 0x0, count 0xe90000
        Error enabling VBUS supply
        g_dnl_register: failed!, error: -38
        g_dnl_register failed

Fix this by adding the relevant GPIO to the regulator node.

Fixes: 4ca99fe81aea ("ARM: imx: dh-imx6: Enable DM regulator")
Signed-off-by: Harald Seiler <hws@denx.de>
4 years agoARM: imx6: DHCOM i.MX6 PDK: Convert to DM_ETH
Harald Seiler [Wed, 15 Apr 2020 18:04:53 +0000 (20:04 +0200)]
ARM: imx6: DHCOM i.MX6 PDK: Convert to DM_ETH

Use DM_ETH instead of legacy networking.  Add VIO as a fixed regulator
to the relevant device-trees and augment the FEC node with properties
for the reset GPIO.

It should be noted that the relevant properties for the reset GPIO
already exist in the PHY node (reset-gpios, reset-delay-us,
reset-post-delay-us) but U-Boot currently ignores those and only
supports the bus-level reset properties in the FEC node
(phy-reset-gpios, phy-reset-duration, phy-reset-post-delay).

Signed-off-by: Harald Seiler <hws@denx.de>
4 years agowandboard: Print the board version in board_late_init()
Fabio Estevam [Fri, 17 Apr 2020 12:27:13 +0000 (09:27 -0300)]
wandboard: Print the board version in board_late_init()

Since CONFIG_DISPLAY_BOARDINFO_LATE is no longer used,  the checkboard()
function is no longer called.

As it is useful to print the board revision, print it inside
board_late_init() instead.

Also, to avoid GPIO errors related to using a GPIO without requesting it,
move the gpio_request(REV_DETECTION, "REV_DETECT") call prior to its
usage.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Heiko Schocher <hs@denx.de>
4 years agowandboard: Remove CONFIG_DISPLAY_BOARDINFO_LATE
Fabio Estevam [Fri, 17 Apr 2020 12:27:12 +0000 (09:27 -0300)]
wandboard: Remove CONFIG_DISPLAY_BOARDINFO_LATE

Since we are using revD1 device tree for all board revisions, the
following can be seen on a revB1 board:

Model: Wandboard i.MX6 Quad Board revD1
Board: Wandboard rev B1

To avoid such confusing messages, disable CONFIG_DISPLAY_BOARDINFO_LATE.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Heiko Schocher <hs@denx.de>
4 years agowandboard: Do not print error when PMIC is not present
Fabio Estevam [Fri, 17 Apr 2020 12:27:11 +0000 (09:27 -0300)]
wandboard: Do not print error when PMIC is not present

On wandboard variants prior to revD1, there is no PMIC populated, so
do not print an error when the reading of the device ID register fails.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Heiko Schocher <hs@denx.de>
4 years agopmic: pfuze100: Change error message level to debug
Fabio Estevam [Fri, 17 Apr 2020 12:27:10 +0000 (09:27 -0300)]
pmic: pfuze100: Change error message level to debug

In some cases U-Boot runs the same binary on different board versions.

In wandboard, for example, there are versions with the PFUZE100 PMIC
populated and others without it.

When the PMIC is not present, it is not really useful to get PMIC error,
so change the error message level to debug instead.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Heiko Schocher <hs@denx.de>
4 years agowandboard: Fix version detection for mx6q/mx6dl revD1
Fabio Estevam [Fri, 17 Apr 2020 12:27:09 +0000 (09:27 -0300)]
wandboard: Fix version detection for mx6q/mx6dl revD1

The detection of the revD1 version is based on the presence of the PMIC.

Currently revb1 device trees are used for mx6q/mx6dl variants, which
do not have the PMIC nodes.

This causes revD1 boards to be incorrectly be detected as revB1.

Fix this issue by using the revd1 device trees, so that the PMIC node can be
found and then the PMIC can be detected by reading its register ID.

Imported the revd1 device trees from mainline kernel version 5.7-rc1.

Reported-by: Heiko Schocher <hs@denx.de>
Reported-by: Derek Atkins <derek@ihtfp.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Derek Atkins <derek@ihtfp.com>
Tested-by: Heiko Schocher <hs@denx.de>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
4 years agoconfigs: imxrt1050-evk: temporary disable DCACHE
Giulio Benetti [Wed, 8 Apr 2020 15:11:08 +0000 (17:11 +0200)]
configs: imxrt1050-evk: temporary disable DCACHE

mxsfb needs a dcache function not implemented in cortex-M7, so for the
moment let's keep dcache not enabled.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agoconfigs: imxrt1050-evk: enable video support/console
Giulio Benetti [Wed, 8 Apr 2020 15:11:07 +0000 (17:11 +0200)]
configs: imxrt1050-evk: enable video support/console

Enable DM_VIDEO subsystem and its BACKLIGHT_GPIO. Then enable
SYS_WHITE_ON_BLACK to have classic black background on display. Need
also to enable CONFIG_SYS_CONSOLE_ENV_OVERWRITE to retrieve
stdin/stdout/stderr from CONFIG_EXTRA_ENV_SETTINGS.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agoarch: arm: dts: imxrt1050-evk: add lcdif node
Giulio Benetti [Wed, 8 Apr 2020 15:11:06 +0000 (17:11 +0200)]
arch: arm: dts: imxrt1050-evk: add lcdif node

Add lcdif node and its pinctrl.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agoARM: dts: imxrt1050: allow this dtsi file to be compiled in Linux
Giulio Benetti [Wed, 8 Apr 2020 15:11:05 +0000 (17:11 +0200)]
ARM: dts: imxrt1050: allow this dtsi file to be compiled in Linux

Linux doesn't provide skeleton.dtsi file so let's remove its include and
provide #address-cells/size-cells = <1> that were defined in
skeleton.dtsi before.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agoARM: dts: i.mxrt1050: add lcdif node
Giulio Benetti [Wed, 8 Apr 2020 15:10:21 +0000 (17:10 +0200)]
ARM: dts: i.mxrt1050: add lcdif node

Add lcdif node to SoC.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agoimxrt1050_evk: add 16bpp video support if video layer enabled
Giulio Benetti [Wed, 8 Apr 2020 15:10:20 +0000 (17:10 +0200)]
imxrt1050_evk: add 16bpp video support if video layer enabled

i.MXRT1050 provides mxsfb compatible lcd controller, so let's enable
video mxsfb driver with 16bpp depth if CONFIG_DM_VIDEO is selected since
board has 16bpp only connection.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideo: mxsfb: enable setting ENABLE negative polarity
Giulio Benetti [Wed, 8 Apr 2020 15:10:19 +0000 (17:10 +0200)]
video: mxsfb: enable setting ENABLE negative polarity

ENABLE signal can now be flipped by writing its bitmask on vdctrl0
register.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideo: mxsfb: enable setting PIXDATA on negative edge
Giulio Benetti [Wed, 8 Apr 2020 15:10:18 +0000 (17:10 +0200)]
video: mxsfb: enable setting PIXDATA on negative edge

DOTCLK signal can now be flipped by writing its bitmask on vdctrl0
register.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideo: mxsfb: enable setting VSYNC negative polarity
Giulio Benetti [Wed, 8 Apr 2020 15:10:17 +0000 (17:10 +0200)]
video: mxsfb: enable setting VSYNC negative polarity

VSYNC signal can now be flipped by writing its bitmask on vdctrl0
register.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideo: mxsfb: enable setting HSYNC negative polarity
Giulio Benetti [Wed, 8 Apr 2020 15:10:16 +0000 (17:10 +0200)]
video: mxsfb: enable setting HSYNC negative polarity

HSYNC signal can now be flipped according to display_flags bitmaks by
writing its bitmask on vdctrl0 register.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideo: mxsfb: refactor for using display_timings
Giulio Benetti [Wed, 8 Apr 2020 15:10:15 +0000 (17:10 +0200)]
video: mxsfb: refactor for using display_timings

struct display_timings provides more informations such clock and DE
polarity, so let's refactor the code to use struct display_timings
instead of struct ctfb_res_modes, so we'll become able to get clock and
DE polarity settings and set register according to them in the next patch.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideo: mxsfb: add support for i.MXRT
Giulio Benetti [Wed, 8 Apr 2020 15:10:14 +0000 (17:10 +0200)]
video: mxsfb: add support for i.MXRT

Add support for i.MXRT by adding CONFIG_IMXRT in register structure and
adding .compatible = "fsl,imxrt-lcdif".

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideo: mxsfb: add support for DM CLK
Giulio Benetti [Wed, 8 Apr 2020 15:10:13 +0000 (17:10 +0200)]
video: mxsfb: add support for DM CLK

Allow using DM CLK instead of mxs_set_lcdclk() so we can avoid to
implement a special function to set lcd clock on i.MXRT.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agosunxi: display: use common video_ctfb_mode_to_display_timing()
Giulio Benetti [Wed, 8 Apr 2020 15:10:12 +0000 (17:10 +0200)]
sunxi: display: use common video_ctfb_mode_to_display_timing()

Since video_ctfb_mode_to_display_timing() has been implemented by moving
sunxi_ctfb_mode_to_display_timing() to video_modes.c and it's meant to be
used by other video subsystem, let's use it instead of local
sunxi_ctfb_mode_to_display_timing().

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agovideomodes: add helper function to convert from ctfb to display_timing
Giulio Benetti [Wed, 8 Apr 2020 15:10:11 +0000 (17:10 +0200)]
videomodes: add helper function to convert from ctfb to display_timing

This function converts from "struct ctf_res_modes" to
"struct display_timing".

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
4 years agoclk: imx: clk-imxrt1050: add set_parent() callback
Giulio Benetti [Wed, 8 Apr 2020 15:10:10 +0000 (17:10 +0200)]
clk: imx: clk-imxrt1050: add set_parent() callback

Need to add set_parent() callback to allow dts assigned-clock-parents to
work so let's add it accordingly.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
4 years agoclk: imx: clk-imxrt1050: setup PLL5 for video in non-SPL
Giulio Benetti [Wed, 8 Apr 2020 15:10:09 +0000 (17:10 +0200)]
clk: imx: clk-imxrt1050: setup PLL5 for video in non-SPL

mxsfb needs PLL5 as source, so let's setup it at its default frequency
specified in RM(650Mhz).

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
4 years agoclk: imx: clk-imxrt1050: fix typo in clock name "video:"
Giulio Benetti [Wed, 8 Apr 2020 15:10:08 +0000 (17:10 +0200)]
clk: imx: clk-imxrt1050: fix typo in clock name "video:"

"video:" must be "video", ":" is a typo.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
4 years agoclk: imx: pllv3: add enable_bit
Giulio Benetti [Wed, 8 Apr 2020 15:10:07 +0000 (17:10 +0200)]
clk: imx: pllv3: add enable_bit

pllv3 PLLs have powerdown/up bits but enable bits too. Specifically
"enable bit" enable the pll output, so when dis/enabling pll by
setting/clearing power_bit we must also set/clear enable_bit.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
4 years agocolibri_imx6: enable relocation of fdt and initrd
Igor Opaniuk [Fri, 27 Mar 2020 10:28:25 +0000 (12:28 +0200)]
colibri_imx6: enable relocation of fdt and initrd

Remove 'fdt_high' and 'initrd_high' environment variables (set to 0xFFFFFFFF)
from default environment which prevents relocation of FDT and initrd.
Rely on 'bootm_size' value instead to safely relocate kernel, device tree and
initrd.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
4 years agocolibri-imx6ull: enable relocation of fdt and initrd
Igor Opaniuk [Fri, 27 Mar 2020 10:28:24 +0000 (12:28 +0200)]
colibri-imx6ull: enable relocation of fdt and initrd

Remove 'fdt_high' and 'initrd_high' environment variables (set to 0xFFFFFFFF)
from default environment which prevents relocation of FDT and initrd.
Rely on 'bootm_size' value instead to safely relocate kernel, device tree and
initrd.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
4 years agoapalis_imx6: enable relocation of fdt and initrd
Igor Opaniuk [Fri, 27 Mar 2020 10:28:23 +0000 (12:28 +0200)]
apalis_imx6: enable relocation of fdt and initrd

Remove 'fdt_high' and 'initrd_high' environment variables (set to 0xFFFFFFFF)
from default environment which prevents relocation of FDT and initrd.
Rely on 'bootm_size' value instead to safely relocate kernel, device tree and
initrd.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
4 years agocolibri_imx7: enable relocation of fdt and initrd
Igor Opaniuk [Fri, 27 Mar 2020 10:28:22 +0000 (12:28 +0200)]
colibri_imx7: enable relocation of fdt and initrd

Remove 'fdt_high' and 'initrd_high' environment variables (set to 0xFFFFFFFF)
from default environment which prevents relocation of FDT and initrd.
Rely on 'bootm_size' value instead to safely relocate kernel, device tree and
initrd.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
4 years agocolibri_vf: enable relocation of fdt and initrd
Igor Opaniuk [Fri, 27 Mar 2020 10:28:21 +0000 (12:28 +0200)]
colibri_vf: enable relocation of fdt and initrd

Remove 'fdt_high' and 'initrd_high' environment variables (set to 0xFFFFFFFF)
from default environment which prevents relocation of FDT and initrd.
Rely on 'bootm_size' value instead to safely relocate kernel, device tree and
initrd.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
4 years agoverdin-imx8mm: add nfsboot wrapper to env
Igor Opaniuk [Fri, 27 Mar 2020 10:28:20 +0000 (12:28 +0200)]
verdin-imx8mm: add nfsboot wrapper to env

Add nfsboot wrapper to env to boot Linux kernel from TFTP/NFS.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
4 years agoimx8mm_evk: adjust dram size in case bl32 is used
Igor Opaniuk [Fri, 27 Mar 2020 10:28:19 +0000 (12:28 +0200)]
imx8mm_evk: adjust dram size in case bl32 is used

Adjust DRAM size in case BL32 secure payload is loaded (OP-TEE/Trusty),
so during MMU initialization U-Boot won't touch this mem area.

BL32 is loaded to the end of DRAM, bl32 payload size is read from
rom_pointer[1]. This relates to the issue described in
59efa6b52b("imx8m: Fix MMU table issue for OPTEE memory").

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
4 years agoverdin-imx8mm: adjust dram size in case bl32 is used
Igor Opaniuk [Fri, 27 Mar 2020 10:28:18 +0000 (12:28 +0200)]
verdin-imx8mm: adjust dram size in case bl32 is used

Adjust DRAM size in case BL32 secure payload is loaded (OP-TEE/Trusty),
so during MMU initialization U-Boot won't touch this mem area.

BL32 is loaded to the end of DRAM, bl32 payload size is read from
rom_pointer[1]. This relates to the issue described in
59efa6b52b("imx8m: Fix MMU table issue for OPTEE memory").

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
4 years agoimx8qxp_mek: Start with USDHC2 unpowered
Fabio Estevam [Wed, 15 Apr 2020 18:01:34 +0000 (15:01 -0300)]
imx8qxp_mek: Start with USDHC2 unpowered

After triggering a "reboot" command in Linux the following
hang in SPL is observed:

U-Boot SPL 2020.04 (Apr 15 2020 - 10:49:29 -0300)
Normal Boot
WDT:   Not found!
Trying to boot from MMC2_2
spl: mmc init failed with error: -70
SPL: failed to boot from all boot devices
### ERROR ### Please RESET the board ###

This error happens because the CMD_ERR bit is set in the IRQ status
register after booting from Linux.

To ensure a fresh start, force the VMMC supply to get unpowered first.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
4 years agoboard: tqc: tqma6_mba6: switch to device model
Michael Krummsdorf [Thu, 9 Apr 2020 13:21:42 +0000 (15:21 +0200)]
board: tqc: tqma6_mba6: switch to device model

Ethernet, usdhc2 and i2c1 interfaces are probed by dm drivers.
Therefor init functions in board file are not necessary.

Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
4 years agoboard: tqc: tqma6: hw init code disabled for device model
Michael Krummsdorf [Thu, 9 Apr 2020 13:21:41 +0000 (15:21 +0200)]
board: tqc: tqma6: hw init code disabled for device model

Keep code for non-dm configuration of baseboard WRU4.
It cannot be upgraded to device model as
we have no suitable device tree for it.
These changes were not run-tested on WRU4,
only compile-tested.

Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
4 years agoconfigs: tqma6x_mba6x: update default configs for device model
Michael Krummsdorf [Thu, 9 Apr 2020 13:21:40 +0000 (15:21 +0200)]
configs: tqma6x_mba6x: update default configs for device model

Fixes compilation for WRU4 board.

Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
4 years agoboard: tqc: tqma6: mba6: apply default Kconfig for device model
Michael Krummsdorf [Thu, 9 Apr 2020 13:21:39 +0000 (15:21 +0200)]
board: tqc: tqma6: mba6: apply default Kconfig for device model

Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
4 years agoarch: arm: tqma6: apply default Kconfig for device model
Michael Krummsdorf [Thu, 9 Apr 2020 13:21:38 +0000 (15:21 +0200)]
arch: arm: tqma6: apply default Kconfig for device model

Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
4 years agoarm: dt: imx6qdl: add tqma6[qdl] som on mba6 mainboard
Michael Krummsdorf [Thu, 9 Apr 2020 13:21:37 +0000 (15:21 +0200)]
arm: dt: imx6qdl: add tqma6[qdl] som on mba6 mainboard

The device trees for TQMa6x SOM support variations in
- CPU type: imx6dl- or imx6q-
- MBa6 I2C bus access: -mba6a (i2c1) or -mba6b (i2c3)
  (plus the respective common/module include trees)

- USBH1 is directly connected to a hub
- USBOTG is connected to a separate connector
  and can act as host/device or full OTG port.

Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
4 years agotqma6: resurrect support by supplying correct SYS_TEXT_BASE
Markus Niebel [Thu, 9 Apr 2020 13:21:36 +0000 (15:21 +0200)]
tqma6: resurrect support by supplying correct SYS_TEXT_BASE

reason: SYS_TEXT_BASE was moved to Kconfig. Give reasonable defaults
in board specific Kconfig.

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
4 years agoarm: imx6: configure NoC on i.MX6DQP
Bernhard Messerklinger [Mon, 9 Mar 2020 09:55:34 +0000 (10:55 +0100)]
arm: imx6: configure NoC on i.MX6DQP

The i.MX6DP and i.MX6QP incorporate NoC interconnect logic
which needs to be configured in order to use external DDR memory.

This patch enables the SPL to configure the necessary registers
in accordance with the NXP engineering bulletin EB828.

Co-developed-by: Filip Brozović <fbrozovic@gmail.com>
Signed-off-by: Bernhard Messerklinger <bernhard.messerklinger@br-automation.com>
Signed-off-by: Filip Brozovic <fbrozovic@gmail.com>
4 years agomx6ulz_14x14_evk: Disable CONFIG_NET
Fabio Estevam [Mon, 3 Feb 2020 17:46:22 +0000 (14:46 -0300)]
mx6ulz_14x14_evk: Disable CONFIG_NET

Currently the following build warning is seen:

===================== WARNING ======================
This board does not use CONFIG_DM_ETH (Driver Model
for Ethernet drivers). Please update the board to use
CONFIG_DM_ETH before the v2020.07 release. Failure to
update by the deadline may result in board removal.
See doc/driver-model/migration.rst for more info.
===================================================

Since the mx6ulz-evk board does not have networking support, explicitly
disable networking to avoid the board removal.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
4 years agomx6ullevk: Enable Ethernet support
Fabio Estevam [Mon, 3 Feb 2020 17:23:58 +0000 (14:23 -0300)]
mx6ullevk: Enable Ethernet support

Add Ethernet support using DM_ETH.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
4 years agomx6ul_evk: Remove FEC related board code
Fabio Estevam [Mon, 3 Feb 2020 16:09:23 +0000 (13:09 -0300)]
mx6ul_evk: Remove FEC related board code

mx6ul_evk uses DM_ETH, so there is no need to have board code
to setup the FEC IOMUX and to register the network ports via the
old board_eth_init() method.

Remove these FEC related pieces of code.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
4 years agomx6ul_evk: Move CONFIG_FEC_MXC to defconfig
Fabio Estevam [Mon, 3 Feb 2020 16:09:22 +0000 (13:09 -0300)]
mx6ul_evk: Move CONFIG_FEC_MXC to defconfig

CONFIG_FEC_MXC is supported in Kconfig, so it is preferred to
move it to defconfig file.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
4 years agomx7ulp: Only enable LDO if it is not already enabled
Fabio Estevam [Mon, 3 Feb 2020 12:01:09 +0000 (09:01 -0300)]
mx7ulp: Only enable LDO if it is not already enabled

LDO mode may be already enabled by the ROM and enabling it again
can cause U-Boot to hang.

Avoid this problem by only enabling LDO mode if it is initially disabled.

Reported-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
4 years agomx7ulp: Remove duplicated definitions
Fabio Estevam [Mon, 3 Feb 2020 12:01:08 +0000 (09:01 -0300)]
mx7ulp: Remove duplicated definitions

These PMC0 definitions are already defined in the beginning
of the file, so remove the duplication.

Reported-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
4 years agoMerge tag 'arc-fixes-for-2020.07-rc1' of https://gitlab.denx.de/u-boot/custodians...
Tom Rini [Thu, 16 Apr 2020 21:14:44 +0000 (17:14 -0400)]
Merge tag 'arc-fixes-for-2020.07-rc1' of https://gitlab.denx.de/u-boot/custodians/u-boot-arc

This is pretty minor set of changes mostly touching HSDK board:

 * Enable on-chip reset controller on HSDK
 * Add possibility to turn-on & off L2$ on more
   recent ARC HS processors.
 * AXI tunnel clock calculation on HSDK

4 years agoMerge tag 'efi-2020-07-rc1' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
Tom Rini [Thu, 16 Apr 2020 20:41:40 +0000 (16:41 -0400)]
Merge tag 'efi-2020-07-rc1' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

Pull request for UEFI sub-system for efi-2020-07-rc1

This pull request

* provides an implementation of UEFI secure booting
* fixes a problem with the rsa_mod_exp driver which stops some boards
  from booting when CONFIG_RSA is enabled which is needed for UEFI
  secure booting
* enables the EFI_RNG_PROTOCOL if DM_RNG is enabled
* fixes some function comments

4 years agoARC: HSDK: CGU: fix tunnel clock calculation
Eugeniy Paltsev [Thu, 16 Apr 2020 19:35:11 +0000 (22:35 +0300)]
ARC: HSDK: CGU: fix tunnel clock calculation

We set wrong tunnel PLL frequency when we request 125MHz tunnel clock.
Fix that.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
4 years agoARC: HSDK: Enable on-chip reset controller
Eugeniy Paltsev [Wed, 11 Mar 2020 12:37:23 +0000 (15:37 +0300)]
ARC: HSDK: Enable on-chip reset controller

As the driver of on-chip reset controller became available
we are ready to enable it.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
4 years agoARC: CACHE: mark IOC helper functions as inlined_cachefunc
Eugeniy Paltsev [Wed, 11 Mar 2020 12:00:44 +0000 (15:00 +0300)]
ARC: CACHE: mark IOC helper functions as inlined_cachefunc

Force inlining of IOC related functions used in other cache
functions. This is preventive change.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
4 years agoARC: CACHE: add support for SL$ disable
Eugeniy Paltsev [Wed, 11 Mar 2020 12:00:43 +0000 (15:00 +0300)]
ARC: CACHE: add support for SL$ disable

Since version 3.0 ARC HS supports SL$ (L2 system level cache)
disable. So add support for SL$ disable/enable to code.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
4 years agoMerge tag 'dm-pull-10apr20-take2' of git://git.denx.de/u-boot-dm
Tom Rini [Thu, 16 Apr 2020 17:45:03 +0000 (13:45 -0400)]
Merge tag 'dm-pull-10apr20-take2' of git://git.denx.de/u-boot-dm

Functions for reading indexed values from device tree
Enhancements to 'dm' command
Log test enhancements and syslog driver
DM change to read parent ofdata before children
Minor fixes

4 years agodm: core: Read parent ofdata before children
Simon Glass [Sun, 5 Apr 2020 21:38:19 +0000 (15:38 -0600)]
dm: core: Read parent ofdata before children

At present a device can read its ofdata before its parent has done the
same. This can cause problems in the case where the parent has a 'ranges'
property, thus affecting the operation of dev_read_addr(), for example.

We already probe parent devices before children so it does not seem to be
a large step to do the same with ofdata.

Make the change and update the documentation in this area.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Ley Foon Tan <ley.foon.tan@intel.com>
4 years agotest: fdtdec: test fdtdec_set_carveout()
Laurentiu Tudor [Fri, 3 Apr 2020 10:43:04 +0000 (13:43 +0300)]
test: fdtdec: test fdtdec_set_carveout()

Add a new test for fdtdec_set_carveout().

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Drop blank line at EFO:
Signed-off-by: Simon Glass <sjg@chromium.org>
4 years agofdtdec: support multiple phandles in memory carveout
Laurentiu Tudor [Fri, 3 Apr 2020 10:43:03 +0000 (13:43 +0300)]
fdtdec: support multiple phandles in memory carveout

fdtdec_set_carveout() is limited to only one phandle. Fix this
limitation by adding support for multiple phandles.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: remove the duplicated function dm_ofnode_pre_reloc
Patrick Delaunay [Fri, 3 Apr 2020 09:39:18 +0000 (11:39 +0200)]
dm: core: remove the duplicated function dm_ofnode_pre_reloc

The content dm_ofnode_pre_reloc() is identical with ofnode_pre_reloc()
defined in drivers/core/ofnode.c and used only three times:
- drivers/core/lists.c:lists_bind_fdt()
- drivers/clk/at91/pmc.c::at91_clk_sub_device_bind
- drivers/clk/altera/clk-arria10.c::socfpga_a10_clk_bind

So this function dm_ofnode_pre_reloc can be removed and replaced
by these function calls by ofnode_pre_reloc().

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: refactor functions reading an u32 from dt
Dario Binacchi [Sun, 29 Mar 2020 16:04:42 +0000 (18:04 +0200)]
dm: core: refactor functions reading an u32 from dt

Now reading a 32 bit value from a device-tree property can be expressed
as reading the first element of an array with a single value.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: support reading a single indexed u32 value
Dario Binacchi [Sun, 29 Mar 2020 16:04:41 +0000 (18:04 +0200)]
dm: core: support reading a single indexed u32 value

The patch adds helper functions to allow reading a single indexed u32
value from a device-tree property containing multiple u32 values, that
is an array of integers.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agodm: test: add test case for dev_read_u64 function
Dario Binacchi [Sun, 29 Mar 2020 16:04:40 +0000 (18:04 +0200)]
dm: test: add test case for dev_read_u64 function

Add test case to cover dev_read_u64 and dev_read_u64_default functions.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: Add a way to skip powering down power domains
Simon Glass [Sat, 28 Mar 2020 20:03:48 +0000 (14:03 -0600)]
dm: core: Add a way to skip powering down power domains

When removing a device the power domains it uses are generally powered
off. But when we are trying to unbind all devices (e.g. for running tests)
we don't want to probe a device in the 'remove' path.

Add a new flag to skip this power-down step.

Signed-off-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: Add logging on unbind failure
Simon Glass [Sat, 28 Mar 2020 20:03:47 +0000 (14:03 -0600)]
dm: core: Add logging on unbind failure

This failure path is tricky to debug since it continues after failure and
there are a lot of error paths. Add logging to help.

Signed-off-by: Simon Glass <sjg@chromium.org>
4 years agofdt: Fix 'system' command
Tom Warren [Thu, 26 Mar 2020 22:20:44 +0000 (15:20 -0700)]
fdt: Fix 'system' command

'fdt systemsetup' wasn't working, due to the fact that the 'set' command
was being parsed in do_fdt() by only testing for the leading 's' instead
of "se", which kept the "sys" test further down from executing. Changed
to test for "se" instead, now 'fdt systemsetup' works (to test the
ft_system_setup proc w/o having to boot a kernel).

Signed-off-by: Tom Warren <twarren@nvidia.com>
4 years agosandbox: enable CMD_BOOTEFI_HELLO and CMD_EFIDEBUG
Heinrich Schuchardt [Sat, 14 Mar 2020 11:27:02 +0000 (12:27 +0100)]
sandbox: enable CMD_BOOTEFI_HELLO and CMD_EFIDEBUG

'bootefi hello' is used in one of the Python tests.

efidebug can be used to verify the correct initialization of the UEFI
sub-system.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromum.org>
4 years agosandbox: implement ft_board_setup()
Heinrich Schuchardt [Sat, 14 Mar 2020 11:13:40 +0000 (12:13 +0100)]
sandbox: implement ft_board_setup()

Currently we are not able to test reservations created by ft_board_setup().

Implement ft_board_setup() to create an arbitrary reservation and enable
OF_BOARD_SETUP.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromum.org>
4 years agosandbox: add reserved-memory node in device tree
Heinrich Schuchardt [Sat, 14 Mar 2020 11:13:39 +0000 (12:13 +0100)]
sandbox: add reserved-memory node in device tree

For testing the handling of memory reservations create a reserved-memory
node in sandbox.dts and sandbox64.dts.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromum.org>
4 years agopatman: Apply the cc limit to the cover letter also
Simon Glass [Fri, 28 Feb 2020 01:49:23 +0000 (18:49 -0700)]
patman: Apply the cc limit to the cover letter also

Quite often on a series that has clean-up patches, the individual patches
may fit within the cc limit but the cover letter does not. Apply the same
limit to the cover letter.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
4 years agodoc: driver-model: there is no UCLASS_ETHERNET
Heinrich Schuchardt [Wed, 26 Feb 2020 19:18:54 +0000 (20:18 +0100)]
doc: driver-model: there is no UCLASS_ETHERNET

%s/UCLASS_ETHERNET/UCLASS_ETH/g

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agoconfigs: sandbox: enable LOG_SYSLOG
Heinrich Schuchardt [Wed, 26 Feb 2020 20:48:20 +0000 (21:48 +0100)]
configs: sandbox: enable LOG_SYSLOG

For testing purposes enable the syslog logging driver.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agotest: log: test syslog logging driver
Heinrich Schuchardt [Wed, 26 Feb 2020 20:48:19 +0000 (21:48 +0100)]
test: log: test syslog logging driver

Provide unit tests for the syslog logging driver.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agotest: log functions with CONFIG_LOG=n
Heinrich Schuchardt [Wed, 26 Feb 2020 20:48:18 +0000 (21:48 +0100)]
test: log functions with CONFIG_LOG=n

If CONFIG_LOG=n, we still expect output for log_err(), log_warning(),
log_notice(), log_info() and in case of DEBUG=1 also for log_debug().

Provide unit tests verifying this.

The tests depend on:

CONFIG_CONSOLE_RECORD=y
CONFIG_LOG=n
CONFIG_UT_LOG=y

It may be necessary to increase the value of CONFIG_SYS_MALLOC_F_LEN to
accommodate CONFIG_CONSOLE_RECORD=y.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agolog: output for CONFIG_LOG=n
Heinrich Schuchardt [Wed, 26 Feb 2020 20:48:17 +0000 (21:48 +0100)]
log: output for CONFIG_LOG=n

If CONFIG_LOG=n, we should still output errors, warnings, notices, infos,
and for DEBUG=1 also debug messages.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agolog: syslog driver
Heinrich Schuchardt [Wed, 26 Feb 2020 20:48:16 +0000 (21:48 +0100)]
log: syslog driver

Provide a log driver that broadcasts RFC 3164 messages to syslog servers.
rsyslog is one implementation of such a server.

The messages are sent to the local broadcast address 255.255.255.255 on
port 514.

The environment variable log_hostname can be used to provide the HOSTNAME
field for the messages. The optional TIMESTAMP field of RFC 3164 is not
provided.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agolog: correct CONFIG_LOG_TEST prerequisites
Heinrich Schuchardt [Wed, 26 Feb 2020 20:48:15 +0000 (21:48 +0100)]
log: correct CONFIG_LOG_TEST prerequisites

An error

undefined reference to `do_log_test'

occurs for CONFIG_CMD_LOG=y, CONFIG_LOG_TEST=y, CONGIG_UNIT_TEST=n

Make CONFIG_UNIT_TEST a prerequisite.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: Move "/chosen" and "/firmware" node scan
Patrick Delaunay [Tue, 18 Feb 2020 14:43:46 +0000 (15:43 +0100)]
dm: core: Move "/chosen" and "/firmware" node scan

Use the new function dm_scan_fdt_ofnode_path() to scan all the nodes
which aren't devices themselves but may contain some:
- "/chosen"
- "/clocks"
- "/firmware"

The patch removes the strcmp call in recursive function dm_scan_fdt_live()
and also corrects a conflict with the 2 applied patches in
the commit 1712ca21924b ("dm: core: Scan /firmware node by default")
and in the commit 747558d01457 ("dm: fdt: scan for devices under
/firmware too"): the subnodes of "/firmware" (optee for example)
are bound 2 times.

For example the dm tree command result on STM32MP1 is:

STM32MP> dm tree
 Class     Index  Probed  Driver                Name
 -----------------------------------------------------------
 root          0  [ + ]   root_driver           root_driver
 firmware      0  [   ]   psci                  |-- psci
 sysreset      0  [   ]   psci-sysreset         |   `-- psci-sysreset
 simple_bus    0  [ + ]   generic_simple_bus    |-- soc
...
 tee           0  [ + ]   optee                 |-- optee
...
 tee           1  [   ]   optee                 `-- optee

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: remove redundant assignment
Heinrich Schuchardt [Sat, 15 Feb 2020 20:46:04 +0000 (21:46 +0100)]
dm: core: remove redundant assignment

Variable count is initialized at the start of every round of the while
loop and it is not used after the while loop. So there is no need to
initialize it beforehand.

Identified by cppcheck.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agodm: core: remove redundant if statement
Heinrich Schuchardt [Sat, 15 Feb 2020 20:38:48 +0000 (21:38 +0100)]
dm: core: remove redundant if statement

The value of parent is not changed in the first if statement. So we can
merge the two if statements depending on parent.

Indicated by cppcheck.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agosandbox: also restore terminal settings when killed by SIGINT
Rasmus Villemoes [Fri, 14 Feb 2020 10:58:37 +0000 (10:58 +0000)]
sandbox: also restore terminal settings when killed by SIGINT

Hitting Ctrl-C is a documented way to exit the sandbox, but it is not
actually equivalent to the reset command. The latter, since it follows
normal process exit, takes care to reset terminal settings and
restoring the O_NONBLOCK behaviour of stdin (and, in a terminal, that
is usually the same file description as stdout and stderr, i.e. some
/dev/pts/NN).

Failure to restore (remove) O_NONBLOCK from stdout/stderr can cause
very surprising and hard to debug problems back in the terminal. For
example, I had "make -j8" consistently failing without much
information about just exactly what went wrong, but sometimes I did
get a "echo: write error". I was at first afraid my disk was getting
bad, but then a simple "dmesg" _also_ failed with write error - so it
was writing to the terminal that was buggered. And both "make -j8" and
dmesg in another terminal window worked just fine.

So install a SIGINT handler so that if the chosen terminal
mode (cooked or raw-with-sigs) means Ctrl-C sends a SIGINT, we will
still call os_fd_restore(), then reraise the signal and die as usual
from SIGINT.

Before:

$ grep flags /proc/$$/fdinfo/1
flags:  0102002
$ ./u-boot
# hit Ctrl-C
$ grep flags /proc/$$/fdinfo/1
flags:  0106002

After:

$ grep flags /proc/$$/fdinfo/1
flags:  0102002
$ ./u-boot
# hit Ctrl-C
$ grep flags /proc/$$/fdinfo/1
flags:  0102002

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 years agosandbox: Update PCI nodes in dts files
Tom Rini [Tue, 11 Feb 2020 17:41:23 +0000 (12:41 -0500)]
sandbox: Update PCI nodes in dts files

The way the PCI nodes are written today causes a number of warnings if
we stop disabling some of the warnings we pass to DTC.  As these
warnings aren't disabled in current Linux Kernel builds, we should aim
to not disable them here either, so rewrite these slightly.  Update the
driver model doc as well.

Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
4 years agosandbox: p2sb: Silence compiler warning
Simon Glass [Sat, 8 Feb 2020 14:53:10 +0000 (07:53 -0700)]
sandbox: p2sb: Silence compiler warning

Some compilers produce a warning about 'child' being used before init.
Silence this by setting to NULL at the start.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
4 years agoserial: Set baudrate on boot
Sean Anderson [Sun, 2 Feb 2020 18:15:17 +0000 (13:15 -0500)]
serial: Set baudrate on boot

Currently, the baud rate is never set on boot. This works ok when a previous
bootloader has configured the baudrate properly, or when the baudrate is set to
a reasonable default in the serial driver's probe(). However, when this is not
the case, we could be using a different baud rate than what was configured.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
4 years agoMerge https://gitlab.denx.de/u-boot/custodians/u-boot-x86
Tom Rini [Thu, 16 Apr 2020 12:56:37 +0000 (08:56 -0400)]
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86

- Provide serial base clock speed via getinfo() for ACPI SPCR
- Initial ACPI support from DM core by leveraging existing ACPI support
  in x86

4 years agotest: Add hexdump.h to the unit test header
Simon Glass [Wed, 8 Apr 2020 22:57:40 +0000 (16:57 -0600)]
test: Add hexdump.h to the unit test header

Since ut_asserteq_mem() uses bin2hex() we should include this header in
ut.h to avoid errors. Add it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
4 years agoacpi: Add support for DMAR
Simon Glass [Wed, 8 Apr 2020 22:57:39 +0000 (16:57 -0600)]
acpi: Add support for DMAR

The DMA Remapping Reporting (DMAR) table contains information about DMA
remapping.

Add a version simple version of this table with only the minimum fields
filled out. i.e. no entries.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
4 years agoacpi: Add a central location for table version numbers
Simon Glass [Wed, 8 Apr 2020 22:57:38 +0000 (16:57 -0600)]
acpi: Add a central location for table version numbers

Each ACPI table has its own version number. Add the version numbers in a
single function so we can keep them consistent and easily see what
versions are supported.

Start a new acpi_table file in a generic directory to house this function.
We can move things over to this file from x86 as needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
4 years agoacpi: Add an __ACPI__ preprocessor symbol
Simon Glass [Wed, 8 Apr 2020 22:57:37 +0000 (16:57 -0600)]
acpi: Add an __ACPI__ preprocessor symbol

The ASL compiler cannot handle C structures and the like so needs some
sort of header guard around these.

We already have an __ASSEMBLY__ #define but it seems best to create a new
one for ACPI since the rules may be different.

Add the check to a few files that ACPI always includes.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
4 years agox86: Move acpi_table header to main include/ directory
Simon Glass [Wed, 8 Apr 2020 22:57:36 +0000 (16:57 -0600)]
x86: Move acpi_table header to main include/ directory

This file is potentially useful to other architectures saddled with ACPI
so move most of its contents to a common location.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
4 years agox86: Move acpi_s3.h to include/acpi/
Simon Glass [Wed, 8 Apr 2020 22:57:35 +0000 (16:57 -0600)]
x86: Move acpi_s3.h to include/acpi/

This header relates to ACPI and we are about to add some more ACPI
headers. Move this one into a new directory so they are together.

The header inclusion in pci_rom.c is not specific to x86 anymore, so drop
the #ifdef CONFIG_X86.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
4 years agoacpi: Add a simple sandbox test
Simon Glass [Wed, 8 Apr 2020 22:57:34 +0000 (16:57 -0600)]
acpi: Add a simple sandbox test

Add a sandbox test for the basic ACPI functionality we have so far.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
4 years agodts: Add a binding for hid-over-i2c
Simon Glass [Wed, 8 Apr 2020 22:57:32 +0000 (16:57 -0600)]
dts: Add a binding for hid-over-i2c

Add this binding from Linux v5.4.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
4 years agodm: core: Add basic ACPI support
Simon Glass [Thu, 9 Apr 2020 16:27:38 +0000 (10:27 -0600)]
dm: core: Add basic ACPI support

ACPI (Advanced Configuration and Power Interface) is a standard for
specifying information about a platform. It is a little like device
tree but the bindings are part of the specification and it supports an
interpreted bytecode language.

Driver model does not use ACPI for U-Boot's configuration, but it is
convenient to have it support generation of ACPI tables for passing to
Linux, etc.

As a starting point, add an optional set of ACPI operations to each
device. Initially only a single operation is available, to obtain the
ACPI name for the device. More operations are added later.

Enable ACPI for sandbox to ensure build coverage and so that we can add
tests.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
4 years agox86: apl: Add Global NVS table header
Simon Glass [Wed, 8 Apr 2020 22:57:30 +0000 (16:57 -0600)]
x86: apl: Add Global NVS table header

Add the C version of this header. It includes a few Chrome OS bits which
are disabled for a normal build.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolgang.wallner@br-automation.com>
4 years agopci: Adjust dm_pci_read_bar32() to return errors correctly
Simon Glass [Thu, 9 Apr 2020 16:27:36 +0000 (10:27 -0600)]
pci: Adjust dm_pci_read_bar32() to return errors correctly

At present if reading a BAR returns 0xffffffff then the value is masked
and a different value is returned. This makes it harder to detect the
problem when debugging.

Update the function to avoid masking in this case.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
4 years agox86: apl: Move p2sb ofdata reading to the correct method
Simon Glass [Wed, 8 Apr 2020 22:57:28 +0000 (16:57 -0600)]
x86: apl: Move p2sb ofdata reading to the correct method

With P2SB the initial BAR (base-address register) is set up by TPL and
this is used unchanged right through U-Boot.

At present the reading of this address is split between the ofdata() and
probe() methods. There are a few problems that are unique to the p2sb.
One is that its children need to call pcr_read32(), etc. which needs to
have the p2sb address correct. Also some of its children are pinctrl
devices and pinctrl is used when any device is probed. So p2sb really
needs to get its base address set up in ofdata_to_platdata(), before it is
probed.

Another point is that reading the p2sb BAR will not work if the p2sb is
hidden. The FSP-S seems to hide it, presumably to avoid confusing PCI
enumeration.

Reading ofdata in ofdata_to_platdata() is the correct place anyway, so
this is easy to fix.

Move the code into one place and use the early-regs property in all cases
for simplicity and to avoid needing to probe any PCI devices just to read
the BAR.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Tested-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
4 years agox86: Correct wording of coreboot source code
Simon Glass [Wed, 8 Apr 2020 22:57:27 +0000 (16:57 -0600)]
x86: Correct wording of coreboot source code

Some files are taken or modified from coreboot, but the files are
no-longer part of the coreboot project. Fix the wording in a few places.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
4 years agodm: pci: Allow disabling auto-config for a device
Simon Glass [Wed, 8 Apr 2020 22:57:26 +0000 (16:57 -0600)]
dm: pci: Allow disabling auto-config for a device

Add a means to avoid configuring a device when needed. Add an explanation
of why this is useful to the binding file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
4 years agotpm: Don't cleanup unless an error happens
Simon Glass [Wed, 8 Apr 2020 22:57:25 +0000 (16:57 -0600)]
tpm: Don't cleanup unless an error happens

At present the cleanup() method is called on every transfer. It should
only be called on failing transfers. Fix this and tidy up the error
handling a little.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>