Commit graph

58394 commits

Author SHA1 Message Date
Patrick Delaunay
c0d7f1fbad adc: stm32: Fix warnings when compiling with W=1
This patch solves the following warnings:

drivers/adc/stm32-adc-core.c: In function 'stm32h7_adc_clk_sel':
warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (i = 0; i < ARRAY_SIZE(stm32h7_adc_ckmodes_spec); i++) {
                 ^
warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < ARRAY_SIZE(stm32h7_adc_ckmodes_spec); i++) {
                ^
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
2019-07-12 11:50:55 +02:00
Patrick Delaunay
0fb0365673 adc: stm32-adc: Fix warnings when compiling with W=1
This patch solves the following warnings:

drivers/adc/stm32-adc.c: In function 'stm32_adc_chan_of_init':
warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (num_channels > adc->cfg->max_channels) {
                   ^
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
2019-07-12 11:50:55 +02:00
Patrick Delaunay
745b676d00 stm32mp1: bsec: Fix warnings when compiling with W=1
This patch solves the following warnings:

arch/arm/mach-stm32mp/bsec.c: In function 'stm32mp_bsec_read':
warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (offset >= STM32_BSEC_OTP_OFFSET) {
             ^~
arch/arm/mach-stm32mp/bsec.c: In function 'stm32mp_bsec_write':
warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (offset >= STM32_BSEC_OTP_OFFSET) {
             ^~
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:54 +02:00
Patrick Delaunay
0e9fb25f71 mmc: stm32_sdmmc2: avoid warnings when building with W=1 option
This patch solves warnings detected by setting W=1 when building.

Warnings type detected:
 - [-Wmissing-prototypes]
 - [-Wimplicit-fallthrough=]

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:54 +02:00
Patrick Delaunay
585289b4fc serial: stm32: Fix warnings when compiling with W=1
This patch solves the following warnings:

drivers/serial/serial_stm32.c: In function 'stm32_serial_probe':
warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
  if (plat->clock_rate < 0) {
                       ^

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:54 +02:00
Patrick Delaunay
8e1947774e board: stm32mp1: Fix warnings when compiling with W=1
This patch solves the following warnings:

warning: no previous prototype for 'board_quiesce_devices' [-Wmissing-prototypes]
 void board_quiesce_devices(void)
      ^~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:54 +02:00
Patrick Delaunay
e609e131c1 stm32mp1: Fix warnings when compiling with W=1
This patch solves the following warnings:

arch/arm/mach-stm32mp/cpu.c:378:16: warning: comparison between signed
and unsigned integer expressions [-Wsign-compare]
   if (instance > ARRAY_SIZE(serial_addr))
                ^

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:54 +02:00
Patrice Chotard
9421781466 MAINTAINERS: Add git custodians for ARM STM STM32MP entry
Add git custodians for STMicroelectronics STM32MP entry.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-07-12 11:50:53 +02:00
Patrick Delaunay
cc06c5f6cd stm32mp1: add SPI flash support in SPL
Allow boot from NOR with basic boot.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:53 +02:00
Patrick Delaunay
a1ac522c04 stm32mp1: Add UBIFS boot capability
Add support for boot from NAND in generic ditribution command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:53 +02:00
Patrick Delaunay
e81f8d16e2 stm32mp1: activate OF_BOARD_SETUP and FDT_FIXUP_PARTITIONS
Update kernel MTD partition in device tree with U-Boot information.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:53 +02:00
Patrick Delaunay
152c84bce9 stm32mp1: add configuration op-tee
Add support of Trusted boot chain with OP-TEE
- reserved 32MB at the end of the DDR for OP-TEE

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:52 +02:00
Patrick Delaunay
c840c29472 stm32mp1: reorder some CONFIG in stm32mp1.h
Change config not directly linked to CONFIG_DISTRO_DEFAULTS.
Allow to deactivate CONFIG_SYS_MTDPARTS_RUNTIME when
CONFIG_MTDPARTS_DEFAULT is defined in defconfig.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
82cd1a2a04 pmic: stpmic1: add support for SYSRESET_POWER_OFF
Adds support for SYSRESET_POWER_OFF = PMIC power off used by command
power off and introduced by commit 751fed426f ("sysreset: Add a way
to find the last reset").
The driver use SYSRESET_POWER for the PMIC-level power cycle, with restart.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
35a54d41d9 ARM: dts: stm32mp1: sync device tree with v5.2-rc4
Synchronize device tree with v5.2-rc4 label and
update the associated u-boot dtsi.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Pierre-Jean Texier <pjtexier@koncepto.io>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
2ed212c1a2 stm32mp1: force boot_net_usb_start
Prevent USB enumeration and avoid unnecessary delay in bootcmd_pxe
as Ethernet device is not attached to USB.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
22bed7ee49 stm32mp1: add check for presence of environment in boot device
For boot from flash, check presence of default environment to force
save env.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Pierre-Jean Texier <pjtexier@koncepto.io>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
03cc423d8a stm32mp1: configs: Add CONFIG_OF_SPL_REMOVE_PROPS
Removes unused device tree property in SPL
to reduce the SPL size by 1kB

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
25d436a624 stm32mp1: cosmetic: remove unnecessary include
Remove post.h include as it is used in spl.c

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
526558c63b stm32mp1: update README
Add latest information and correct some information.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
f4cb5d69c2 stm32mp1: key: add stm32key command
Add dedicated command to register in fuse a public hash
key provided by keygen tool.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
afb0840ffa stm32mp1: add stboard command
Allow to update board identification in OTP 59.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
c60f3b3589 stm32mp1: update device tree with ETZPC status
U-Boot should disable nodes in device tree if needed according
ETZPC status in ft_system_setup().

ETZPC itself use an array on addresses to do the match between the status
bits and the node.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
05d3693688 stm32mp1: update package information in device tree
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
24cb4587f4 stm32mp1: export get_cpu_package function
Prepare update of package information update
in Linux device tree.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
d3f077b349 dt-bindings: pinctrl: stm32: add new entry for package information
Add "st,package" entry. Possibles values are:
-STM32MP_PKG_AA for LFBGA448 (18*18) package
-STM32MP_PKG_AB for LFBGA354 (16*16) package
-STM32MP_PKG_AC for TFBGA361 (12*12) package
-STM32MP_PKG_AD for TFBGA257 (10*10) package

see Linux commit 966d9b928f626a54a0c27c0fdae1e3dfe9bab416
for v5.2-rc1

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
dfda7d4c83 stm32mp1: syscon: remove stgen
Reduce difference with kernel Linux device tree.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
72d18583a1 stm32mp1: syscon: remove etzpc support
Support for ETZPC is removed as this device is not present
in Linux kernel device tree.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
f59ad456ff stm32mp1: call regulators_enable_boot_on in board_init
U-Boot activates regulators by reading the "regulator-boot-on"
property in DT; it is requested by M4 early Boot feature.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
ca351e705a stm32mp1: deactivate WATCHDOG in defconfig
Deactivate WATCHDOG by default in u-boot to avoid issue to boot kernel
and rootfs without the needed daemon to reload it.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Pierre-Jean Texier <pjtexier@koncepto.io>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
486942184a sysreset: syscon: add support for power off
The new type sysreset 'POWER_OFF', introduced by
commit 751fed426f ("sysreset: Add a way to find the last reset")
is only supported for "syscon-poweroff" compatible.

For details see Linux binding:
./Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt

This patch removes the support of POWER_OFF for "syscon-reboot"
and keeps only the COLD reset (for command reset support)
and it introduces the compatible "syscon-poweroff"
for the POWER_OFF case.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
4048e171d2 stm32mp1: move CONFIG_ENV in Kconfig
Move 2 ENV configuration flags in board Kconfig
- CONFIG_ENV_SECT_SIZE
- CONFIG_ENV_OFFSET

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Fabien Dessenne
1958dae4f3 ARM: dts: stm32: Add ipcc mailbox support on stm32mp1
Add IPCC mailbox support on stm32mp157 eval and disco boards.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2019-07-12 11:18:53 +02:00
Fabien Dessenne
8da622d818 configs: stm32mp15: enable IPCC mailbox
Activate the ipcc mailbox for stm32mp15 configs.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2019-07-12 11:18:53 +02:00
Fabien Dessenne
b04553ec9a MAINTAINERS: Add stm32 mailbox IPPC driver
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2019-07-12 11:18:53 +02:00
Fabien Dessenne
01964d8e23 mailbox: introduce stm32-ipcc driver
On STM32 family, the IPCC peripheral allows the communication
between 2 processors offering doorbells mechanism.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2019-07-12 11:18:53 +02:00
Tom Rini
a9758ece08 - Sandbox improvements including .dts refactor
- Minor tracing and PCI improvements
 - Various other minor fixes
 - Conversion of patman, dtoc and binman to support Python 3
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Merge tag 'dm-pull-9jul19-take2' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm

- Sandbox improvements including .dts refactor
- Minor tracing and PCI improvements
- Various other minor fixes
- Conversion of patman, dtoc and binman to support Python 3
2019-07-11 18:10:11 -04:00
Tom Rini
68deea2308 Merge https://gitlab.denx.de/u-boot/custodians/u-boot-marvell
- SPL SATA enhancements to allow booting from RAW SATA device
  needed for Clearfog (Baruch)
- Enable SATA booting on Clearfog (Baruch)
- Misc changes to Turris Omnia (Marek)
- Enable CMD_BOOTZ and increase SYS_BOOTM_LEN on crs305-1g-4s
  (Luka)
- Enable FIT support for db-xc3-24g4xg (Chris)
- Enable DM_SPI on Keymile Kirkwood board with necessary changes
  for this (Pascal)
- Set 38x and 39x AVS on lower frequency (Baruch)
2019-07-11 18:09:38 -04:00
Tom Rini
79b8d3c285 UniPhier SoC updates for v2019.10
- import DT updates from Linux
 
 - add UniPhier SPI controller driver
 
 - make U-Boot image for 64bit SoCs position independent
 
 - tidy up various init code for next generation SoCs
 
 - misc cleanups
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Merge tag 'uniphier-v2019.10' of https://gitlab.denx.de/u-boot/custodians/u-boot-uniphier

UniPhier SoC updates for v2019.10

- import DT updates from Linux

- add UniPhier SPI controller driver

- make U-Boot image for 64bit SoCs position independent

- tidy up various init code for next generation SoCs

- misc cleanups
2019-07-11 18:08:44 -04:00
Tom Rini
5acce685c9 Merge branch '2019-07-11-master-imports'
- spear platform improvements
- Android BCB support
- Cadence PCIe endpoint driver
2019-07-11 18:03:52 -04:00
Marek Vasut
4a09831ab2 gpio: pca953x: Add TI TCA9539 compatible string
Add TI TCA9539 compatible string for yet another I2C GPIO expander.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Mario Six <mario.six@gdsys.cc>
Cc: Peng Fan <van.freenix@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
2019-07-11 14:11:20 -04:00
Marek Vasut
b2a2bf41ac arm: mach-omap2: am33xx: Init pinmux before clock
The board_early_init_f() inits clock before initing pinmux. However,
the clock configuration code might need to adjust PMIC settings of a
PMIC on I2C bus (e.g. board/ti/am335x/board.c does that). If the I2C
bus pin muxing is not configured before attempting to communicate
with the PMIC, the communication will silently fail and the prcm_init()
may configure fast enough CPU clock that the default voltage provided
by the PMIC would be insufficient and the platform would become
unstable.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: Tom Rini <trini@konsulko.com>
2019-07-11 14:11:20 -04:00
Eugeniu Rosca
9bdf0e8fef doc: relocate/rename Android README and add BCB overview
Rename:
 - doc/{README.avb2 => android/avb2.txt}
 - doc/{README.android-fastboot => android/fastboot.txt}

Add a new file documenting the 'bcb' command:
 - doc/android/bcb.txt

The new directory structure has been reviewed by Simon in
https://patchwork.ozlabs.org/patch/1101107/#2176031 .

Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2019-07-11 14:11:19 -04:00
Eugeniu Rosca
db7b7a05b2 cmd: Add 'bcb' command to read/modify/write BCB fields
'Bootloader Control Block' (BCB) is a well established term/acronym in
the Android namespace which refers to a location in a dedicated raw
(i.e. FS-unaware) flash (e.g. eMMC) partition, usually called "misc",
which is used as media for exchanging messages between Android userspace
(particularly recovery [1]) and an Android-capable bootloader.

On higher level, this allows implementing a subset of Android Bootloader
Requirements [2], amongst which is the Android-specific bootloader
flow [3]. Regardless how the latter is implemented in U-Boot ([3] being
the most memorable example), reading/writing/dumping the BCB fields in
the development process from inside the U-Boot is a convenient feature.
Hence, make it available to the users.

Some usage examples of the new command recorded on R-Car H3ULCB-KF
('>>>' is an overlay on top of the original console output):

=> bcb
bcb - Load/set/clear/test/dump/store Android BCB fields

Usage:
bcb load  <dev> <part>       - load  BCB from mmc <dev>:<part>
bcb set   <field> <val>      - set   BCB <field> to <val>
bcb clear [<field>]          - clear BCB <field> or all fields
bcb test  <field> <op> <val> - test  BCB <field> against <val>
bcb dump  <field>            - dump  BCB <field>
bcb store                    - store BCB back to mmc

Legend:
<dev>   - MMC device index containing the BCB partition
<part>  - MMC partition index or name containing the BCB
<field> - one of {command,status,recovery,stage,reserved}
<op>    - the binary operator used in 'bcb test':
          '=' returns true if <val> matches the string stored in <field>
          '~' returns true if <val> matches a subset of <field>'s string
<val>   - string/text provided as input to bcb {set,test}
          NOTE: any ':' character in <val> will be replaced by line feed
          during 'bcb set' and used as separator by upper layers

=> bcb dump command
Error: Please, load BCB first!
 >>> Users must specify mmc device and partition before any other call

=> bcb load 1 misc
=> bcb load 1 1
 >>> The two calls are equivalent (assuming "misc" has index 1)

=> bcb dump command
00000000: 62 6f 6f 74 6f 6e 63 65 2d 73 68 65 6c 6c 00 72    bootonce-shell.r
00000010: 79 00 72 00 00 00 00 00 00 00 00 00 00 00 00 00    y.r.............
 >>> The output is in binary/string format for convenience
 >>> The output size matches the size of inspected BCB field
 >>> (32 bytes in case of 'command')

=> bcb test command = bootonce-shell && echo true
true
=> bcb test command = bootonce-shell- && echo true
=> bcb test command = bootonce-shel && echo true
 >>> The '=' operator returns 'true' on perfect match

=> bcb test command ~ bootonce-shel && echo true
true
=> bcb test command ~ bootonce-shell && echo true
true
 >>> The '~' operator returns 'true' on substring match

=> bcb set command recovery
=> bcb dump command
00000000: 72 65 63 6f 76 65 72 79 00 73 68 65 6c 6c 00 72    recovery.shell.r
00000010: 79 00 72 00 00 00 00 00 00 00 00 00 00 00 00 00    y.r.............
 >>> The new value is NULL-terminated and stored in the BCB field

=> bcb set recovery "msg1:msg2:msg3"
=> bcb dump recovery
00000040: 6d 73 67 31 0a 6d 73 67 32 0a 6d 73 67 33 00 00    msg1.msg2.msg3..
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
 >>> --- snip ---
 >>> Every ':' is replaced by line-feed '\n' (0xA). The latter is used
 >>> as separator between individual commands by Android userspace

=> bcb store
 >>> Flush/store the BCB structure to MMC

[1] https://android.googlesource.com/platform/bootable/recovery
[2] https://source.android.com/devices/bootloader
[3] https://patchwork.ozlabs.org/patch/746835/
    ("[U-Boot,5/6] Initial support for the Android Bootloader flow")

Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
2019-07-11 14:11:19 -04:00
Eugeniu Rosca
0381b713d1 include: android_bootloader_message.h: Minimize the diff to AOSP
Perform the following updates:
 - Relocate the commit id from the file to the description of U-Boot
   commit. The AOSP commit is c784ce50e8c10eaf70e1f97e24e8324aef45faf5.
   This is done to avoid stale references in the file itself. The
   reasoning is in https://patchwork.ozlabs.org/patch/1098056/#2170209.
 - Minimize the diff to AOSP, to decrease the effort of the next AOSP
   backports. The background can be found in:
   https://patchwork.ozlabs.org/patch/1080394/#2168454.
 - Guard the static_assert() calls by #ifndef __UBOOT__ ... #endif,
   to avoid compilation failures of files including the header.

Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
2019-07-11 14:11:19 -04:00
Tom Rini
11bd2fa197 SPL: Default to disabling legacy image support when using FIT
When we have a FIT image being used by SPL by default that means the
most common case is that we'll never run into a legacy image.  Disable
legacy image support by default in that case to reclaim space.

Signed-off-by: Tom Rini <trini@konsulko.com>
2019-07-11 14:11:19 -04:00
Tom Rini
c76c93a3d5 configs: Rename CONFIG_IMAGE_FORMAT_LEGACY to CONFIG_LEGACY_IMAGE_FORMAT
The name CONFIG_LEGACY_IMAGE_FORMAT reads slightly better along with
allowing us to avoid a rather nasty Kbuild/Kconfig issue down the line
with CONFIG_IS_ENABLED(IMAGE_FORMAT_LEGACY).  In a few places outside of
cmd/ switch to using CONFIG_IS_ENABLED() to test what is set.

Signed-off-by: Tom Rini <trini@konsulko.com>
2019-07-11 14:11:18 -04:00
Roman Kapl
27eb177b39 tpm: wait for valid status
The TPM specification says that the EXPECT_DATA bit is not valid until
the VALID bit is set. Wait for that bit to be set. Fixes problems with
Ifineon SPI TPM.

Signed-off-by: Roman Kapl <rka@sysgo.com>
2019-07-11 14:11:18 -04:00
Miquel Raynal
2e8a720246 arm: spear: Return to BootROM if failing to boot from the main device
Overload the weak function board_boot_order() so that besides choosing
the main boot device, we can fallback on USB boot by returning in the
BootROM, eg. if the NOR flash is empty while it was the primary boot
medium.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2019-07-11 10:05:15 -04:00
Miquel Raynal
6d09581f78 arm: spear: Do not link the _main branch
The _main call is not supposed to return at all: don't link the
branch.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2019-07-11 10:05:15 -04:00