Merge tag 'xilinx-for-v2021.10-rc3' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblazeWIP/27Aug2021

Xilinx changes for v2021.10-rc3

xilinx:
- Disable CONFIG_ARCH_FIXUP_FDT_MEMORY
- Print information about cpu via soc drivers and enable DISPLAY_CPUINFO
- Wire infrastructure for DTB_RESELECT and MULTI_DTB_FIT

zynq:
- Wire single QSPI
- Use power-source instead of io-standard properties
- Enable nor on zc770-xm012

zynqmp:
- Change handling around multi_boot()
- Setup offset for u-boot.itb in spi
- Generate run time dfu_alt_info for capsule update
- Use explicit values for enums (zynqmp_firmware.h)
- Enable RTC/SHA1/BUTTON/BUTTON_GPIO command
- Disable WDT driver by default
- Bind usb/scsi via preboot because of EFI
- DT updates/fixes
- Add soc driver
- Fix SPL SPI boot mode

versal:
- Add soc driver

sdhci:
- Update tap delay programming for zynq_sdhci driver

cmd:
- Fix RTC uclass handling in date command
- Update pwm help message
- Update reset help message

watchdog:
- Fix wwdt compilation

rtc:
- Deal with seq alias in rtc uclass
- Add zynqmp RTC driver

fdt:
- Add kernel-doc for fdt_fixup_memory_banks()

1 files changed, 18 insertions, 0 deletions

diff --git a/common/fdt_support.c b/common/fdt_support.c
index 4341d84..8992ac5 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -420,6 +420,24 @@ static int fdt_pack_reg(const void *fdt, void *buf, u64 *address, u64 *size,
 #else
 #define MEMORY_BANKS_MAX 4
 #endif
+
+/**
+ * fdt_fixup_memory_banks - Update DT memory node
+ * @blob: Pointer to DT blob
+ * @start: Pointer to memory start addresses array
+ * @size: Pointer to memory sizes array
+ * @banks: Number of memory banks
+ *
+ * Return: 0 on success, negative value on failure
+ *
+ * Based on the passed number of banks and arrays, the function is able to
+ * update existing DT memory nodes to match run time detected/changed memory
+ * configuration. Implementation is handling one specific case with only one
+ * memory node where multiple tuples could be added/updated.
+ * The case where multiple memory nodes with a single tuple (base, size) are
+ * used, this function is only updating the first memory node without removing
+ * others.
+ */
 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks)
 {
 	int err, nodeoffset;