Merge tag 'xilinx-for-v2020.01' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx/FPGA changes for v2020.01

FPGA:
- Enable fpga loading on Versal
- Minor fix

Microblaze:
- Fix LMB configurations to support initrds
- Some other cleanups

Zynq:
- Minor config/dt changes
- Add distro boot support for usb1 and mmc1
- Remove Xilinx private boot commands and use only distro boot

ZynqMP:
- Kconfig cleanups, defconfig updates
- Update some dt files
- Add firmware driver for talking to PMUFW
- Extend distro boot support for jtag
- Add new IDs
- Add system controller configurations
- Convert code to talk firmware via mailbox or SMCs

Versal:
- Add board_late_init()
- Add run time DT memory setup
- Add DFU support
- Extend distro boot support for jtag and dfu
- Add clock driver
- Tune mini configurations

Xilinx:
- Improve documentation (boot scripts, dt binding)
- Enable run time initrd_high calculation
- Define default SYS_PROMPT
- Add zynq/zynqmp virtual defconfig

Drivers:
- Add Xilinx mailbox driver for talking to firmware
- Clean zynq_gem for Versal
- Move ZYNQ_HISPD_BROKEN to Kconfig
- Wire genphy_init() in phy.c
- Add Xilinx gii2rgmii bridge
- Cleanup zynq_sdhci
- dwc3 fix
- zynq_gpio fix
- axi_emac fix

Others:
- apalis-tk1 - clean config file

common/image.c

@@ -583,7 +583,7 @@ ulong env_get_bootm_low(void)
 
 #if defined(CONFIG_SYS_SDRAM_BASE)
 	return CONFIG_SYS_SDRAM_BASE;
-#elif defined(CONFIG_ARM)
+#elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE)
 	return gd->bd->bi_dram[0].start;
 #else
 	return 0;
@@ -600,7 +600,8 @@ phys_size_t env_get_bootm_size(void)
 		return tmp;
 	}
 
-#if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
+#if (defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE)) && \
+     defined(CONFIG_NR_DRAM_BANKS)
 	start = gd->bd->bi_dram[0].start;
 	size = gd->bd->bi_dram[0].size;
 #else