Commit Graph

88 Commits

Author SHA1 Message Date
T Karthik Reddy
ce8808628e xilinx: Add env redund offset
ENV_OFFSET_REDUND config is by default set to 0 for flashes. Saving the env
variables is overwriting data at 0 offset, which is wrong. So add default
redund env offset for Zynq, ZynqMP, Versal and microblaze platforms.
Configured ENV_OFFSET_REDUND offsets by ENV_OFFSET + (2 * ENV_SIZE).

In case of versal, we configured ENV_OFFSET_REDUND at 0x7F00000 instead
of 0x7F80000. As BOOT_SCRIPT_OFFSET is already configured at 0x7F80000.

Added ENV_OFFSET_REDUND in Kconfig for microblaze due to dependency of
ENV_IS_IN_SPI_FLASH config.

Below table specifies platform specific env and env redund offsets.

PLAT		ENV_OFFSET	ENV_OFFSET_REDUND
----		----------	-----------------
ZYNQ		0xE0000		0xE40000
ZYNQMP		0x1E00000	0x1E80000
VERSAL		0x7F40000	0x7F00000
MICROBLAZE	0x1080000	0x10C0000

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/92656dc08f0f5a749d62b71ca6e77fe1be72e9e0.1661340204.git.michal.simek@amd.com
2022-09-13 11:32:48 +02:00
Ashok Reddy Soma
64c71d1c73 xilinx: versal: Define CONFIG_CQSPI_REF_CLK
With commit 55b3ba4c2b ("spi: cadence_qspi: Migrate CONFIG_CQSPI_REF_CLK
to Kconfig") CONFIG_CQSPI_REF_CLK is moved to Kconfig.

The static value via Kconfig is a fallback option in case of clock
framework is not enabled or fails for some reason.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/fe7c38a19e878c307d5b75311bbfd8cf6c1f601e.1659691195.git.michal.simek@amd.com
2022-09-13 11:32:48 +02:00
Ashok Reddy Soma
4a72f80368 xilinx: versal: Enable power domain driver
Enable power domain driver to request node for all the IP's that are
enabled in DT.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/dbed54df622d647b8d520d8ce5289cd69ba66e0b.1659691195.git.michal.simek@amd.com
2022-09-13 11:32:48 +02:00
Michal Simek
86cba52a98 xilinx: versal: Enable i2c mux uclass with pca954x driver
Xilinx is using pca954x i2c muxes on a lot of boards that's why enable this
driver by default.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/c090aea3436c7a4ebe698da6cbc70e70a14baae3.1659691195.git.michal.simek@amd.com
2022-09-12 12:03:17 +02:00
Tom Rini
1247c35c80 configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-08-23 15:24:14 -04:00
Ashok Reddy Soma
5f53e534ac arm64: versal: Enable power domain driver and its dependencies
Enable power domain driver to configure pmufw config object and request
node for all the IP's that are enabled in DT.

This driver depends on mailbox and IPI driver, hence enable them as well.
Add ARCH_VERSAL in the depends on of mailbox Kconfig to compile for
Versal platforms.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20220722084658.30995-6-ashok.reddy.soma@xilinx.com
2022-07-26 08:36:25 +02:00
Michal Simek
c0ce59aaac arm64: versal: Enable reset driver for versal
Add CONFIG_DM_RESET and CONFIG_RESET_ZYNQMP configs in versal default
configuration to enable support for reset driver for versal
platform.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: T Karthik Reddy <t.karthik.reddy@amd.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Link: https://lore.kernel.org/r/20220720095959.29610-3-ashok.reddy.soma@xilinx.com
2022-07-26 08:28:32 +02:00
Tom Rini
ea92f95d63 Merge branch '2022-07-07-Kconfig-migrations-dead-code-removal' into next
- Migrate more CONFIG options to Kconfig and remove some unused code
  while we're at it.
2022-07-07 14:29:37 -04:00
Tom Rini
c45568cc4e Convert CONFIG_SYS_BOOTM_LEN to Kconfig
This converts the following to Kconfig:
   CONFIG_SYS_BOOTM_LEN

As part of this, rework error handling in boot/bootm.c so that we pass
the buffer size to handle_decomp_error as CONFIG_SYS_BOOTM_LEN will not
be available to host tools but we do know the size that we passed to
malloc().

Cc: Soeren Moch <smoch@web.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
2022-07-07 14:01:09 -04:00
T Karthik Reddy
cf553bf20e arm64: versal: Add versal specific cadence ospi driver
Add support for cadence ospi driver for Versal platform. This driver
provides support for DMA read operation which utilizes cadence qspi
driver.
If "cdns,is-dma" DT property is specified use dma for read operation
from cadence_qspi driver. As cadence_qspi_apb_dma_read() is defined in
cadence_ospi_versal driver add a weak function defination in
cadence_qspi driver.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Link: https://lore.kernel.org/r/20220512100535.16364-3-ashok.reddy.soma@xilinx.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
2022-06-29 15:58:48 +02:00
Tom Rini
c316ee674f Xilinx changes for v2022.10
cpu:
 - Add driver for microblaze cpu
 
 net:
 - Add support for DM_ETH_PHY to AXI emac and emaclite
 
 xilinx:
 - Switch platforms to DM_ETH_PHY
 - DT chagnes in ZynqMP and Zynq
 - Enable support for SquashFS
 
 zynqmp:
 - Add support for KR260 boards
 - Move BSS from address 0
 - Move platform identification from board code to soc driver
 - Improve zynqmp_psu_init_minimize
 
 versal:
 - Enable loading app at EL1
 
 serial:
 - Setup default address and clock rates for DEBUG uarts
 
 pinctrl:
 - Add support for tri state and output enable properties
 
 relocate-rela:
 - Clean relocate-rela implementation for ARM64
 - Add support for Microblaze
 
 microblaze:
 - Add support for runtime relocation
 - Rework cache handling (wiring, Kconfig) based on cpuinfo
 - Remove interrupt support
 
 timer:
 - Extract axi timer driver from Microblaze to generic location
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Merge tag 'xilinx-for-v2022.10' of https://source.denx.de/u-boot/custodians/u-boot-microblaze into next

Xilinx changes for v2022.10

cpu:
- Add driver for microblaze cpu

net:
- Add support for DM_ETH_PHY to AXI emac and emaclite

xilinx:
- Switch platforms to DM_ETH_PHY
- DT chagnes in ZynqMP and Zynq
- Enable support for SquashFS

zynqmp:
- Add support for KR260 boards
- Move BSS from address 0
- Move platform identification from board code to soc driver
- Improve zynqmp_psu_init_minimize

versal:
- Enable loading app at EL1

serial:
- Setup default address and clock rates for DEBUG uarts

pinctrl:
- Add support for tri state and output enable properties

relocate-rela:
- Clean relocate-rela implementation for ARM64
- Add support for Microblaze

microblaze:
- Add support for runtime relocation
- Rework cache handling (wiring, Kconfig) based on cpuinfo
- Remove interrupt support

timer:
- Extract axi timer driver from Microblaze to generic location
2022-06-27 10:15:50 -04:00
Michal Simek
b5b8bad2db xilinx: Enable support for SquashFS
Enable SquashFS for all xilinx platforms.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/dbe85afda8cd90ebfc537979d382808ff9bec160.1655982259.git.michal.simek@amd.com
2022-06-27 09:03:07 +02:00
T Karthik Reddy
a110caa206 xilinx: Add CONFIG_DM_ETH_PHY config
Enable CONFIG_DM_ETH_PHY to utilize shared MDIO bus support on all xilinx
platforms.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Acked-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Link: https://lore.kernel.org/r/965981eb324d13a98aad8bd88eb8b50bc5147a7e.1652181968.git.michal.simek@amd.com
2022-06-24 14:11:05 +02:00
Tom Rini
d0ee7f295d Convert CONFIG_SYS_PBSIZE to Kconfig
This converts the following to Kconfig:
   CONFIG_SYS_PBSIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-06-06 12:09:00 -04:00
Tom Rini
cf493582f8 Convert CONFIG_SYS_MAXARGS to Kconfig
This converts the following to Kconfig:
   CONFIG_SYS_MAXARGS

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-06-06 12:08:58 -04:00
Peng Fan
abf8d9632f configs: set CONFIG_COUNTER_FREQUENCY
Set CONFIG_COUNTER_FREQUENCY according to COUNTER_FREQUENCY in
config header file.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
[trini: Re-run migration]
2022-04-21 15:15:51 -04:00
Tom Rini
d46e86d25c configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-04-08 13:36:51 -04:00
Tom Rini
0a3689cb86 configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-04-01 10:33:18 -04:00
Tom Rini
15b4aed473 Convert CONFIG_CLOCKS to Kconfig
This converts the following to Kconfig:
   CONFIG_CLOCKS

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-04-01 10:28:47 -04:00
Tom Rini
1d5686acfd Convert CONFIG_SYS_FAULT_ECHO_LINK_DOWN to Kconfig
This converts the following to Kconfig:
   CONFIG_SYS_FAULT_ECHO_LINK_DOWN

Cc: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2022-03-25 12:01:15 +00:00
Tom Rini
a542e4307d Convert CONFIG_BOOTP_MAY_FAIL et al to Kconfig
This converts the following to Kconfig:
   CONFIG_BOOTP_MAY_FAIL
   CONFIG_BOOTP_VENDOREX
   CONFIG_BOOTP_BOOTFILESIZE
   CONFIG_BOOTP_NISDOMAIN
   CONFIG_BOOTP_TIMEOFFSET

Cc: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2022-03-03 16:51:20 -05:00
Alper Nebi Yasak
a8c281d4b7 Convert CONFIG_REMAKE_ELF to Kconfig
This converts the following to Kconfig:
   CONFIG_REMAKE_ELF

Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
2022-02-09 09:16:47 -05:00
Tom Rini
54c5c2b8fe configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-01-24 17:36:30 -05:00
Tom Rini
5fd4a7ed0c Clarify CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW in Kconfig
This is a "hex" prompt but the default value was given as an int.
Switch the default to hex (0x0) and remove the defconfigs that were
using the default, but as hex before.

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-12-27 08:40:33 -05:00
Simon Glass
50d857ebc4 arm: xilinx_versal_virt: Add a devicetree file
Add an empty file to prevent build errors when building with
CONFIG_OF_SEPARATE enabled.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-12-23 10:24:39 -05:00
Tom Rini
49c8ef0e45 Convert CONFIG_SYS_LOAD_ADDR to Kconfig
Now that we have consistent usage, migrate this symbol to Kconfig.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Rick Chen <rick@andestech.com>
2021-08-31 17:46:37 -04:00
Tom Rini
88cd7d0ea9 Convert CONFIG_SYS_I2C_EEPROM_ADDR et al to Kconfig
- Rename usages of CONFIG_SYS_DEF_EEPROM_ADDR to CONFIG_SYS_I2C_EEPROM_ADDR
  based on current usage.
- Convert CONFIG_SYS_I2C_EEPROM_ADDR, CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
  CONFIG_SYS_I2C_EEPROM_BUS, CONFIG_CONFIG_SYS_EEPROM_SIZE
  CONFIG_SYS_EEPROM_PAGE_WRITE_BITS and CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS
  to Kconfig.  We move these symbols around a bit and add appropriate
  dependencies to them.  In some cases, we now add a correct default value
  as well.

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-08-30 14:10:06 -04:00
T Karthik Reddy
57b2a43607 xilinx: Enable config to display cpuinfo
Enable CONFIG_DISPLAY_CPUINFO to display SoC family & revision.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Reviewed-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-08-26 08:08:11 +02:00
T Karthik Reddy
42e20f52d9 soc: xilinx: versal: Add soc_xilinx_versal driver
soc_xilinx_versal driver allows identification of family & revision
of versal SoC. This driver is selected by CONFIG_SOC_XILINX_VERSAL.
Probe this driver using platdata U_BOOT_DEVICE structure which is
defined at mach-versal/cpu.c.
Add this config to xilinx_versal_virt_defconfig &
xilinx_versal_mini_ospi_defconfig file to select this driver.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Reviewed-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-08-26 08:08:11 +02:00
Michal Simek
1031a11d71 xilinx: Disable ARCH_FIXUP_FDT_MEMORY
Based on DT spec you can have one memory node which multiple ranges or
multiple nodes.
fdt_fixup_memory_banks() is not implemented in a correct way when multiple
memory nodes are present because all ranges are put it to the first memory
node found. And next memory nodes are kept in DT which ends up in the same
range specification in the same DT.

Here is what it is happening.
Origin DT.
memory@0 {
        device_type = "memory";
        reg = <0x0 0x0 0x0 0x80000000>;
};

memory@800000000 {
        device_type = "memory";
        reg = <0x8 0x00000000 0x0 0x80000000>;
};

After fdt_fixup_memory_banks()

memory@0 {
        device_type = "memory";
        reg = <0x0 0x0 0x0 0x80000000>, <0x8 0x00000000 0x0 0x80000000>;
};

memory@800000000 {
        device_type = "memory";
        reg = <0x8 0x00000000 0x0 0x80000000>;
};

As is visible memory@0 node got second range but there is still
memory@800000000 node present and 2G range is listed twice.

The solution can't be that second node is removed because it can be
referenced already that's why it is better for us to disable this option
for now.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-08-26 08:08:11 +02:00
Tom Rini
df59b7d23b configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-07-26 21:10:37 -04:00
Ashok Reddy Soma
bc579291e2 xilinx: versal: Enable Xilinx AXI MRMAC
Enable Xilinx AXI MRMAC for Versal platforms.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-07-26 09:18:45 +02:00
Aswath Govindraju
8e3ea2da72 usb: dfu: Migrate CONFIG_SYS_DFU_DATA_BUF_SIZE and CONFIG_SYS_DFU_MAX_FILE_SIZE to Kconfig
Currently the config options CONFIG_SYS_DFU_DATA_BUF_SIZE and
CONFIG_SYS_DFU_MAX_FILE_SIZE are being set in include/configs/<board>.h
files and also in <board_name>_defconfig files without a Kconfig option. It
is easier for users to set these configs in defconfig files than in config
header files as they are a part of the source code.

Add Kconfig symbols, and update the defconfigs by using tools/moveconfig.py
script.

Suggested-by: Pratyush Yadav <p.yadav@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Acked-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Acked-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
2021-06-08 21:38:53 -04:00
T Karthik Reddy
2a6e6c81f4 xilinx: versal: Enable CONFIG_POSITION_INDEPENDENT
U-Boot expects to be linked to a specific hard-coded address and to
be loaded to and run from that address. CONFIG_POSITION_INDEPENDENT
config lifts that restriction & allowing the code to be loaded to
and executed from almost any address.

As we enabled CONFIG_POSITION_INDEPENDENT, CONFIG_INIT_SP_RELATIVE
is enabled by default, where it will set the early stack pointer at
runtime by adding an offset value to &_bss_start. The offset value
is taken from SYS_INIT_SP_BSS_OFFSET.

SYS_INIT_SP_BSS_OFFSET offset should be large enough so that the
early malloc region, global data (gd), and early stack should fit.
With commit d8fabcc424 ("arm64: versal: Increase SYS_MALLOC_F_LEN")
SYS_MALLOC_F_LEN is increased from 32KB to 1MB, so we need to
accommodate this space with SYS_INIT_SP_BSS_OFFSET. Hence increasing
SYS_INIT_SP_BSS_OFFSET to 1.5MB.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Acked-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-05-19 09:44:50 +02:00
Michal Simek
84befd408c xilinx: Enable GUID partitions and EFI variable commands
For work with EFI it is good to have GUID partitions enabled and also
option to work with UEFI variables. That's why enable both.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-04-23 08:48:30 +02:00
T Karthik Reddy
84e7cc9126 xilinx: Enable DFU_TIMEOUT config
Enable CONFIG_DFU_TIMEOUT to set timeout waiting for dfu command.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-04-23 08:45:55 +02:00
Michal Simek
4274dc3947 xilinx: Enable redundant variable handling
Enable this feature by default to be able to work with env import/export
commands which are done in this slightly changed variable format (There is
addtional flag fields in variable file which is changing CRC calculation).

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-04-23 08:43:47 +02:00
Ashok Reddy Soma
4fb83c9c2b xilinx: versal: Add support for saving env based on bootmode
Enable saving variables to MMC(FAT) and SPI based on primary
bootmode. If bootmode is JTAG, dont save env anywhere(NOWHERE).

Enable ENV_FAT_DEVICE_AND_PART="0:auto" for Versal platforms as well.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-04-23 08:43:25 +02:00
Michal Simek
c5465684b9 xilinx: Enable efi debug command
Enable EFI debug command to be able to setup various efi variables to avoid
software like grub.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-03-30 12:03:25 +02:00
Tom Rini
53def460d2 configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
2020-11-30 12:50:32 -05:00
Michal Simek
908daf86f9 xilinx: Enable SPI driver for Versal
Enable Zynq SPI driver for Versal.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-10-29 08:55:43 +01:00
Michal Simek
6a136e53f0 xilinx: Enable SF_TEST command for all ARM based platforms
Enable this command by default.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-10-27 08:13:33 +01:00
Michal Simek
a0c26f74a9 xilinx: Enable FRU command for all ARM based platforms
Enable it by default for board detection.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-10-27 08:13:33 +01:00
Ashok Reddy Soma
5d5984c70e config: versal: Update mini u-boot timer clock to 100Mhz
Mini u-boot timer clock is not updated when u-boot is migrated from
emulator to silicon. Due to this slower clock of 2.72Mhz, delay() functions
are not working accurately. Update CONFIG_COUNTER_FREQUENCY to 100Mhz.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-10-27 08:13:31 +01:00
Michal Simek
b9ac6c0820 arm64: zynqmp: Enable EMMC boot
Enable EMMC boot commands to be able to change EMMC setup.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-10-27 08:01:36 +01:00
Michal Simek
7514fd3447 xilinx: Disable CONFIG_EFI_LOADER_BOUNCE_BUFFER for ZynqMP/Versal
Both SOCs shouldn't have any problem with 64bit dma accesses. Also with PIE
enabled when u-boot is placed above 4GB without any memory mapped below 4GB
address space efi_memory_init() call is failing due to missing memory node.

For this two reason disable this option for ZynqMP and Versal.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-09-23 10:31:41 +02:00
Michal Simek
c3f1eaa32d arm64: versal: Generate position-independent pre-relocation code
Enable position independent pre-relocation to let users options to put
u-boot to different locations.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-09-23 10:31:40 +02:00
Ashok Reddy Soma
2783e02da8 xilinx: versal: Enable AXI ethernet driver
Enable AXI ethernet driver for Versal platforms.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-09-23 10:31:40 +02:00
T Karthik Reddy
276504ed3e xilinx: Enable uartlite driver for Versal/ZynqMP
Add CONFIG_XILINX_UARTLITE config to versal/zynqmp defconfig to
enable uartlite driver support by default.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-09-23 10:31:40 +02:00
Ashok Reddy Soma
592ac77342 configs: xilinx: Enable configs required for ubifs
Enable required configs for using ubifs in uboot.

UBIFS testing procedure from u-boot:
Let's say we have two partitions in dt as below and want to format
partition1 "images" with ubifs.

	partition@0 {
		label = "boot";
		reg = <0x0 0x1000000>;
	};

	partition@1 {
		label = "images";
		reg = <0x1000000 0x7000000>;
	};

We will format the partition from linux and copy some files and access
from uboot later.
First thing, in linux config disable CONFIG_MTD_SPI_NOR_USE_4K_SECTORS.
this is required as ubifs expects min LEB size as 15*1024 bytes.

Use below commands in linux to format "images" partition with ubifs.

ubiformat /dev/mtd1
ubiattach /dev/ubi_ctrl -m 1
ubimkvol /dev/ubi0 -N images -m
mount -t ubifs ubi0:images /mnt

We can copy files to /mnt and unmount it.

To access this ubifs partition from uboot, run below commands.
(Don't forget to probe device before, e.g. sf probe 0 0 0)

setenv mtdids "nor0=nor0"
setenv mtdparts "mtdparts=nor0:16m(boot),112m(images)"
ubi part images
ubifsmount ubi0:images

make sure we match "mtdparts" to whatever is given in dt w.r.t partition
sizes.

"mtdparts" command will list the mtd partitions in u-boot.

Once ubifs is mounted, we can use "ubifsls" to list the files in that
partition and use "ubifsload <addr> <filename>" to load files from ubifs
partition to DDR.

Reading information about mtd layout from DT is not supported.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-09-23 10:31:40 +02:00