archs38: add HSDK board

Synopsys DesignWare HSDK (which stands for ARC HS
Development Kit) is the latest and greatest development
platform that sports quad-core ARC HS38 in real silicon.

Most noticeable features of the board are:
 * Quad-core ARC HS38 CPU running at 1GHz
 * 4Gb of DDR
 * Built-in Vivante GPU (well supported via open source
   Etnaviv drivers)
 * Built-in Wi-Fi/Bluetooth module (RedPine RS-9113)

And as usual we have:
 * [micro] SD-card slot
 * 2 USB 2.0 ports
 * 1Gbit Ethernet port
 * Built-in Digilent JTAG probe
 * Serial port accessible via micro-USB port

For more information about HSDK board visit:
https://www.synopsys.com/dw/ipdir.php?ds=arc-hs-development-kit

Signed-off-by: Evgeniy Didin <[email protected]>
CC: Alexey Brodkin <[email protected]>
CC: Hauke Mehrtens <[email protected]>
CC: John Crispin <[email protected]>

target/linux/archs38/config-4.14

@@ -40,12 +40,13 @@ CONFIG_ARC_PLAT_AXS10X=y
 # CONFIG_ARC_PLAT_EZNPS is not set
 # CONFIG_ARC_PLAT_TB10X is not set
 # CONFIG_ARC_SMP_HALT_ON_RESET is not set
-# CONFIG_ARC_SOC_HSDK is not set
+CONFIG_ARC_SOC_HSDK=y
 CONFIG_ARC_TIMERS=y
 CONFIG_ARC_TIMERS_64BIT=y
 CONFIG_ARC_UBOOT_SUPPORT=y
 CONFIG_AXS103=y
 CONFIG_CLKDEV_LOOKUP=y
+CONFIG_CLK_HSDK=y
 CONFIG_CLONE_BACKWARDS=y
 CONFIG_COMMON_CLK=y
 # CONFIG_CPU_BIG_ENDIAN is not set
@@ -119,7 +120,7 @@ CONFIG_JBD2=y
 CONFIG_KALLSYMS=y
 CONFIG_KERNEL_GZIP=y
 CONFIG_LIBFDT=y
-CONFIG_LINUX_LINK_BASE=0x80000000
+CONFIG_LINUX_LINK_BASE=0x90000000
 CONFIG_LINUX_RAM_BASE=0x80000000
 CONFIG_LOCK_SPIN_ON_OWNER=y
 CONFIG_MDIO_BUS=y
@@ -152,6 +153,7 @@ CONFIG_NET_PTP_CLASSIFY=y
 # CONFIG_NET_VENDOR_SEEQ is not set
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
+CONFIG_NLS=y
 CONFIG_NO_BOOTMEM=y
 CONFIG_NO_IOPORT_MAP=y
 CONFIG_NR_CPUS=4
@@ -182,6 +184,7 @@ CONFIG_RCU_STALL_COMMON=y
 CONFIG_REGMAP=y
 CONFIG_REGMAP_MMIO=y
 CONFIG_RESET_CONTROLLER=y
+CONFIG_RESET_HSDK=y
 CONFIG_RFS_ACCEL=y
 CONFIG_RPS=y
 # CONFIG_SCHED_INFO is not set

target/linux/archs38/image/Makefile

@@ -33,8 +33,8 @@ TARGET_DEVICES += nsim_hs
 endif
 
 # Root FS on SD-card
-KERNEL_LOADADDR := 0x80000000
-DEVICE_DTS_LIST:= axs103_idu nsim_hs_idu
+KERNEL_LOADADDR := 0x90000000
+DEVICE_DTS_LIST:= axs103_idu nsim_hs_idu hsdk
 FAT32_BLOCK_SIZE=1024
 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_AXS10X_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
 
@@ -49,9 +49,11 @@ define Image/Build/SDCard
 	rm -f $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img
 	mkfs.fat $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img -C $(FAT32_BLOCKS)
 	mkimage -C none -A arc -T script -d uEnv.txt $(BIN_DIR)/uEnv.scr
+	mkenvimage -s 0x4000 -o $(BIN_DIR)/uboot.env ./uboot.env.txt
 	mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/uEnv.scr ::boot.scr
 	mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(DTS_DIR)/*.dtb ::
 	mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/$(IMG_PREFIX)-uImage ::uImage
+	mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/uboot.env ::uboot.env
 
 	./gen_axs10x_sdcard_img.sh \
 		$(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img \

target/linux/archs38/image/uboot.env.txt

@@ -0,0 +1,29 @@
+baudrate=115200
+bootargs=console=ttyS0,115200n8 root=/dev/mmcblk0p2 rootwait
+bootcmd=fatload mmc 0:1 0x82000000 uImage && fatload mmc 0:1 0x81000000 hsdk.dtb && bootm 0x82000000 - 0x81000000
+bootdelay=2
+bootfile=uImage
+loadaddr=0x82000000
+stderr=serial0@f0005000
+stdin=serial0@f0005000
+stdout=serial0@f0005000
+core_dccm_0=0x10
+core_dccm_1=0x6
+core_dccm_2=0x10
+core_dccm_3=0x6
+core_iccm_0=0x10
+core_iccm_1=0x6
+core_iccm_2=0x10
+core_iccm_3=0x6
+core_mask=0xF
+dcache_ena=0x1
+icache_ena=0x1
+non_volatile_limit=0xE
+hsdk_hs34=setenv core_mask 0x2; setenv icache_ena 0x0; setenv dcache_ena 0x0; setenv core_iccm_1 0x7; setenv core_dccm_1 0x8; setenv non_volatile_limit 0x0;
+hsdk_hs36=setenv core_mask 0x1; setenv icache_ena 0x1; setenv dcache_ena 0x1; setenv core_iccm_0 0x10; setenv core_dccm_0 0x10; setenv non_volatile_limit 0xE;
+hsdk_hs36_ccm=setenv core_mask 0x2; setenv icache_ena 0x1; setenv dcache_ena 0x1; setenv core_iccm_1 0x7; setenv core_dccm_1 0x8; setenv non_volatile_limit 0xE;
+hsdk_hs38=setenv core_mask 0x1; setenv icache_ena 0x1; setenv dcache_ena 0x1; setenv core_iccm_0 0x10; setenv core_dccm_0 0x10; setenv non_volatile_limit 0xE;
+hsdk_hs38_ccm=setenv core_mask 0x2; setenv icache_ena 0x1; setenv dcache_ena 0x1; setenv core_iccm_1 0x7; setenv core_dccm_1 0x8; setenv non_volatile_limit 0xE;
+hsdk_hs38x2=setenv core_mask 0x3; setenv icache_ena 0x1; setenv dcache_ena 0x1; setenv core_iccm_0 0x10; setenv core_dccm_0 0x10; setenv non_volatile_limit 0xE; setenv core_iccm_1 0x6; setenv core_dccm_1 0x6;
+hsdk_hs38x3=setenv core_mask 0x7; setenv icache_ena 0x1; setenv dcache_ena 0x1; setenv core_iccm_0 0x10; setenv core_dccm_0 0x10; setenv non_volatile_limit 0xE; setenv core_iccm_1 0x6; setenv core_dccm_1 0x6; setenv core_iccm_2 0x10; setenv core_dccm_2 0x10;
+hsdk_hs38x4=setenv core_mask 0xF; setenv icache_ena 0x1; setenv dcache_ena 0x1; setenv core_iccm_0 0x10; setenv core_dccm_0 0x10; setenv non_volatile_limit 0xE; setenv core_iccm_1 0x6; setenv core_dccm_1 0x6; setenv core_iccm_2 0x10; setenv core_dccm_2 0x10; setenv core_iccm_3 0x6; setenv core_dccm_3 0x6;