summaryrefslogtreecommitdiff
AgeCommit message (Collapse)Author
2020-05-14mmc: stm32_sdmmc2: change the displayed config namePatrick Delaunay
Change the mmc displayed name in U-Boot for stm32_sdmmc2 driver to “STM32 SD/MMC”. This stm32_sdmmc2 driver is for version 2 of the ST HW IP SDMMC but the displayed name "STM32 SDMMC2" is confusing for user, between the instance of SDMMC and the device identifier of MMC. For example on EV1 board, we have: STM32MP1> mmc list STM32 SDMMC2: 0 (SD) STM32 SDMMC2: 1 (eMMC) Changed to more clear: STM32MP1> mmc list STM32 SD/MMC: 0 (SD) STM32 SD/MMC: 1 (eMMC) Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14arm: stm32mp: activate data cache on DDR in SPLPatrick Delaunay
Activate cache on DDR to improve the accesses to DDR used by SPL: - CONFIG_SPL_BSS_START_ADDR - CONFIG_SYS_SPL_MALLOC_START Cache is configured only when DDR is fully initialized, to avoid speculative access and issue in get_ram_size(). Data cache is deactivated at the end of SPL, to flush the data cache and the TLB. Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14arm: stm32mp: activate data cache in SPL and before relocationPatrick Delaunay
Activate the data cache in SPL and in U-Boot before relocation. In arch_cpu_init(), the function early_enable_caches() sets the early TLB, early_tlb[] located .init section, and set cacheable: - for SPL, all the SYSRAM - for U-Boot, all the DDR After relocation, the function enable_caches() (called by board_r) reconfigures the MMU with new TLB location (reserved in board_f.c::reserve_mmu) and re-enable the data cache. This patch allows to reduce the execution time, particularly - for the device tree parsing in U-Boot pre-reloc stage (dm_extended_scan_fd =>dm_scan_fdt) - in I2C timing computation in SPL (stm32_i2c_choose_solution()) For example, the result on STM32MP157C-DK2 board is: 1,6s gain for trusted boot chain with TF-A 2,2s gain for basic boot chain with SPL For information, as TLB is added in .data section, the binary size increased and the SPL load time by ROM code increased (30ms on DK2). But early malloc can't be used for TLB because arch_cpu_init() is executed before the early poll initialization done in spl_common_init() called by spl_early_init() So it too late for this use case. And if I initialize the MMU and the cache after this function it is too late, as dm_init_and_scan and fdt parsing is also called in spl_common_init(). And .BSS can be used in board_init_f(): only stack and global can use before BSS init done in board_init_r(). So .data is the better solution without hardcoded location but if you have size issue for SPL you can deactivate cache for SPL only (with CONFIG_SPL_SYS_DCACHE_OFF). Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14ARM: stm32: Hog GPIO PF7 high on DHCOM to unlock SPI NOR nWPMarek Vasut
The SPI NOR nWP line is connected to GPIO PF7 on the SoM, pull the GPIO line high by default to clear SPI NOR WP. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14ARM: stm32: Define I2C EEPROM bus and address on DHCOMMarek Vasut
Define I2C EEPROM bus and address, so that the 'eeprom' command uses the correct ones and does not generate the following error: eeprom_rw_block: Cannot find udev for a bus 0 Signed-off-by: Marek Vasut <marex@denx.de> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14ARM: dts: stm32: Synchronize DDR setttings on DH SoMsMarek Vasut
Add custom DDR DRAM settings for the DHCOR and DHCOM SoMs and put them into use by the board file instead of the default ones. These new DRAM settings are a better fit for the SoMs. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14ARM: dts: stm32: Fix AV96 and DHCOR splitMarek Vasut
The commit 132e5b68986d ("ARM: dts: stm32: Split AV96 into DHCOR SoM and AV96 board") was not applied correctly and in full, and omitted an important split of the SoM into 3V3 and 1V8 options. The Avenger96 board is based on the 1V8 IO option of the DHCOR SoM, however this is an optional modification of the 3V3 IO DHCOR SoM with extra on-SoM regulator to cater for the 96boards 1V8 IO requirements. Reinstate the split between the 1V8 and 3V3 IO variants. Fixes: 132e5b68986d ("ARM: dts: stm32: Split AV96 into DHCOR SoM and AV96 board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14stm32mp1: Fix warning display when 1.5A power supply is usedPatrice Chotard
On DK1/2 board, when a 1.5A power supply is detected, a warning message is displayed. In this message, "1.5mA" is displayed instead of "1.5A". Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14configs: stm32mp1: activate CONFIG_ERRNO_STRPatrick Delaunay
Add support of errno_str, used in command pmic and regulator. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14configs: stm32mp1: activate Ethernet PHY RealtekChristophe Roullier
Need Realtek driver to manage in RTL8211F the configuration of the LED. Initialize LCR (LED Control Register) to configure green LED for Link, yellow LED for Active Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Christophe Roullier <christophe.roullier@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14ARM: dts: stm32mp15: use DDR3 files generated by STM32CubeMXPatrick Delaunay
Use the DDR3 dtsi files generated by STM32CubeMX 5.6.0 Speed Bin Grade = using DDR3-1066G / 8-8-8 and all others parameters at default value. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14gpio: stm32: support gpio ops in SPLPatrick Delaunay
The GPIO support is needed in SPL to managed the SD cart detect used on stm32mp157c-ev1 and dk2 board. So this patch activates the associated code in stm32_gpio.c. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: add timeout for I/O compensation readyPatrick Delaunay
This patch avoids infinite loop when I/O compensation failed, it adds a 1s timeout to detect error. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: remove bootdelay configuration for usb or serial bootPatrick Delaunay
It is not allowed to change the user setting of bootdelay, so remove the check of the boot-source to disable it dynamically in board_late_init() Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14board: stm32mp1: set environment variable fdtfilePatrick Delaunay
For booting Linux in the generic distro mechanism and support of FDTDIR in extlinux.conf , cmd/pxe.c retrieves the FDT file name from "fdtfile" environment variable. Dynamically build this variable with compatible of STMicroelectronics boards. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: gt9147 IRQ before reset on EV1Patrick Delaunay
Software workaround for I2C issue on EV1 board, configure the IRQ line for touchscreen before LCD reset to fix the used I2C address. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: update management of boot-ledPatrick Delaunay
Force boot-led ON and no more rely on default-state. This patch avoid device-tree modification for U-Boot. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14board: stm32mp1: Keep error led ON in case of low power detectionPatrice Chotard
Since commit commit dd2810851eb1 ("stm32mp1: board: support of error led on ed1/ev1 board") the attended behavior was no more respected in case of low power source detection on DK2. The expected behavior is either the error LED keeps blinking for ever, or blinks 2 or 3 times and must stay ON. Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14arm: stm32mp: spl: update error management in board_init_fPatrick Delaunay
Call hang when an error is detected for probe of any driver needed for console or DDR init: clk, reset and pincontrol NB: previous behavior with a return in board_init_f() was not correct; DDR is not initialized and SPL execution can't continue Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-05-14arm: stm32mp: remove dependency for STM32KEYPatrick Delaunay
This command is not more depending on fuse command, but have direct access to BSEC misc driver, so the dependency with can be removed CMD_FUSE Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add support of RAM targetPatrick Delaunay
Add support of RAM target in flashlayout to load kernel image ("system") and device tree ("filesystem") in DDR with DFU and start these images. The flashlayout.tsv is: - 0x01 fsbl Binary none 0x00000000 tf-a.stm32 - 0x03 ssbl Binary none 0x00000000 u-boot.stm32 P 0x10 kernel System ram0 0xC2000000 uImage.bin P 0x11 dtb FileSystem ram0 0xC4000000 dtb.bin Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: support for scriptPatrick Delaunay
Support an U-Boot script included in uimage instead of flashlayout file (text file in tsv format). This feature is used to execute this script directly when U-Boot is loaded in DDR (for update without STM32CubeProgrammer for example). A simple example with dfu-util only is: $> echo "dfu 0" > script.cmd $> mkimage -C none -A arm -T script -d script.cmd script.uimg $> mkimage -T stm32image -a 0xC0000000 -e 0xC0000000 -d script.uimg \ script.stm32 $> dfu-util -d 0483:df11 -a 1 -D tf-a.stm32 $> dfu-util -d 0483:df11 -a 0 -D script.stm32 $> dfu-util -d 0483:df11 -a 0 -D u-boot.stm32 $> dfu-util -d 0483:df11 -a 0 -e Then you can used dfu-utils to update your device To increase speed, you can also switch to fastboot protocol with: echo "fastboot 0" > script.cmd Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: enable videoconsolePatrick Delaunay
Enable the videoconsole during the stm32prog command execution to have information without UART. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add serial link supportPatrick Delaunay
Add a support of UART, using the same protocol than MCU STM32. See "AN5275: USB DFU/USART protocols used in STM32MP1 Series bootloaders" for details. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add pmic NVM update supportPatrick Delaunay
Add a virtual partition to update the pmic non volatile memory. (on ST board, STPMIC1). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add otp update supportPatrick Delaunay
Add a virtual partition to update the STM32MP15x OTP based on SMC service provided by TF-A. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add support for delete option in flashlayoutPatrick Delaunay
Add support for delete option 'D' in flashlayout for full device or for partitions Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add support of ssbl copyPatrick Delaunay
For reliability of boot from NAND/SPI-NAND (with read-disturb issue) the SSBL can be present several time, when it is indicated in the flashlayout with "Binary(X)". The received binary is copied X times by U-Boot on the target. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: adapt the MTD partitionsPatrick Delaunay
Dynamically adapt the MTD partitions in NOR/NAND/SPI-NAND when stm32prog command detects in the parsed flash layout files: - a fsbl partition in NOR. - a tee partition in NOR/NAND/SPI-NAND Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add MTD devices supportPatrick Delaunay
Add support of MTD device (DFU_MTD backend) for NOR, NAND or SPI-NAND target. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add upport of partial updatePatrick Delaunay
Add support of partial update, update only some partitions, and check the coherence of the layout with the existing GPT partitions (offset and size). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add support of boot partition for eMMC devicePatrick Delaunay
Add support of eMMC device boot partition with part_id = -1 for offset="boot1" or = -2 for offset="boot2" The stm32prog command configures the MMC DFU backend with "mmcpart" and configure the eMMC (command "mmc bootbus" and "mmc partconf") when the update is done. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add MMC devicePatrick Delaunay
Add support of MMC device (based on DFU_MMC backend) for SD card and eMMC update. Create a GPT partitioning on the device. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: stm32prog: add flash layout parsingPatrick Delaunay
Build the list of device and of partition with a tab separated value file with a stm32 header: the FlashLayout.tsv (https://wiki.st.com/stm32mpu/wiki/STM32CubeProgrammer_flashlayout) Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: add the command stm32progPatrick Delaunay
Add a specific command stm32prog for STM32MP soc family witch allows to program the boot devices with the tool STM32CubeProgrammer (http://www.st.com/STM32CubeProg). This command uses the same UART STM32 protocol than MCU STM32 with or USB with DFU protocol v1.1 (ithe MCU ST extension are no supported). The executed actions are based on a tab separated value file with a stm32 header, the FlashLayout file (https://wiki.st.com/stm32mpu/wiki/STM32CubeProgrammer_flashlayout). This file is parsed by the U-Boot command to: - initialize the devices - create the partition table on each device - initialize the DFU backend to access to not volatile memory (NOR/NAND/SD/eMMC) or to virtual device (OTP/PMIC) Up to STM32PROG_MAX_DEV (5) devices can be updated with a FlashLayout. The communication between U-Boot and STM32CubeProgrammer is done with the specific alternate configuration (see "AN5275: USB DFU/USART protocols used in STM32MP1 Series bootloaders" for details). The command stm32prog is executed when a boot from USB is detected (selected with bootpins) and we can program the boot devices with a simple command (on Windows or Linux): PC $> STM32_Programmer_CLI -c port=usb1 -w flaslayout.tsv 1/ the ROM code loads TF-A in embedded RAM (DFU or uart) 2/ TF-A loads flashlayout file and U-Boot in DDR (DFU or uart) 3/ U-Boot executes the stm32prog command (DFU or uart) Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp: add function get_cpu_devPatrick Delaunay
Add a function get_cpu_dev to get the DEV_ID present in DBGMCU_IDC register. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14dfu: add prototype for dfu_transaction_initiate/cleanupPatrick Delaunay
Add prototype for function dfu_transaction_initiate and dfu_transaction_cleanup to avoid warning with W=1. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14usb: gadget: g_dnl: add function g_dnl_set_productPatrick Delaunay
Add a function g_dnl_set_product to change the Product string used in USB enumeration in any command based on download gadget. If the function is called with NULL pointer, the product string is set to the default value (product[] = "USB download gadget"). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14doc: stm32mp1: update DFU support examplePatrick Delaunay
Update stm32mp1 board documentation with new management of MMC and MTD partitions and new PID df11. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: adapt MTD partition for BOOT from NOR or NANDPatrick Delaunay
Dynamically adapt the MTD partitions in NAND and SPI-NAND when boot from NOR or NAND/SPI-NAND is detected. This patch avoids to define the save MTD partition name for NOR and NAND devices and issue with latest kernel: only the needed MTD partitions are defined. For boot from NOR 1/ bootloader (TF-A, U-Boot and OP-TE) in NOR 2/ one large UBI partition in NAND For boot from NAND 1/ bootloader (TF-A, U-Boot and OP-TE) in MTD raw partition 2/ one large UBI partition Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: support boot from spi-nandPatrick Delaunay
Manage BOOT_FLASH_SPINAND, with boot_device="spi-nand" and treat this value in bootcmd_stm32mp. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14configs: stm32mp1: remove optee defconfigPatrick Delaunay
As the op-tee presence is detected by U-boot, the stm32mp15_optee_defconfig is identical to stm32mp15_trusted_defconfig and can be removed. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: use FDT address provided by TF-A at boot timePatrick Delaunay
Save and use the FDT address provided by TF-A in r2 at boot time (it is NT_FW_CONFIG = Non Trusted Firmware configuration file) Address is saved in save_boot_params(), called by start.S and the used DTB is gd->fdt_blob = board_fdt_blob_setup(). If dtb is not provided or invalid, U-Boot use as fallback the builtin DTB. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp1: dynamically detect op-tee presencePatrick Delaunay
Activate OP-TEE driver for trusted and optee defconfig. This driver allows detection of TEE presence for boot from flash; CONFIG_STM32MP1_OPTEE is also removed. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: reserve memory for OP-TEE in device treePatrick Delaunay
Add reserve memory for OP-TEE in U-Boot and in kernel device tree: - no more reduce the DDR size in "memory" node: CONFIG_SYS_MEM_TOP_HIDE is no more used - U-Boot device-tree defines the needed "reserved-memory" for OP-TEE and U-Boot should not use this reserved memory: board_get_usable_ram_top use lmb lib to found the first free region, the not reserved memory, enough to relocate U-Boot: the needed size of U-Boot is estimated with gd->mon_len + CONFIG_SYS_MALLOC_LEN. - the optee node ("optee@...": firmware with compatible "linaro,optee-tz") and the associated "reserved-memory" are deactivated in kernel device tree when OP-TEE is not detected by U-Boot to prevent kernel issue (memory is reserved but not used, optee driver probe failed). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp1: move MTDPART configuration in KconfigPatrick Delaunay
This patch reduces the stm32mp1 environment size and builds dynamically the MTD partitions with information from defconfig (CONFIG_MTDPARTS_...). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14stm32mp1: dynamically build DFU_ALT_INFOPatrick Delaunay
This patch reduces the stm32mp1 environment size and builds dynamically the DFU board configuration with gpt and mtd partitions and information from defconfig (CONFIG_DFU_ALT_RAM0). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: move set_dfu_alt_info in st common directoryPatrick Delaunay
Move the stm32mp1 common code set_dfu_alt_info() in common directory, this patch reduce the maintenance effort on this generic part (not board dependent). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14board: stm32mp1: move board_get_mtdparts in st common directoryPatrick Delaunay
Move the stm32mp1 common code board_get_mtdparts() in common directory, this patch reduce the maintenance effort on this generic part (not board dependent). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-05-14ARM: stm32: Implement DDR3 coding on DHCOR SoMMarek Vasut
The DHCOR board does exist in multiple variants with different DDR3 DRAM sizes. To cater for all of them, implement DDR3 code handling. There are two GPIOs which code the DRAM size populated on the SoM, read them out and use the value to pick the correct DDR3 config. Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Patrice Chotard <patrice.chotard@st.com>