imx: add imx8x capricorn giedi board

Add support for i.MX8X based Capricorn Giedi SoM.

Supported interfaces: GPIO, ENET, eMMC, I2C, UART.

Console output:

  U-Boot SPL 2020.01-00003-gfd1c98f (Jan 07 2020 - 15:51:25 +0100)
  Trying to boot from MMC1
  Load image from MMC/SD 0x3e400

  U-Boot 2020.01-00003-gfd1c98f (Jan 07 2020 - 15:51:25 +0100) ##v01.07

  CPU:   NXP i.MX8QXP RevB A35 at 1200 MHz at 30C

  Model: Siemens Giedi
  Board: Capricorn
  Boot:  MMC0
  DRAM:  1022 MiB
  MMC:   FSL_SDHC: 0
  Loading Environment from MMC... OK
  In:    serial@5a080000
  Out:   serial@5a080000
  Err:   serial@5a080000
  Net:   eth1: ethernet@5b050000 [PRIME]
  Autobooting in 1 seconds, press "<Esc><Esc>" to stop

Signed-off-by: Anatolij Gustschin <agust@denx.de>

1 files changed, 201 insertions, 0 deletions

diff --git a/include/configs/siemens-env-common.h b/include/configs/siemens-env-common.h
new file mode 100644
index 0000000000..36fa5d936f
--- /dev/null
+++ b/include/configs/siemens-env-common.h
@@ -0,0 +1,201 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+/* Common env settings */
+
+/** set_bootargs()
+ * input:
+ *	console:	string, tty, etc.
+ *	baudrate:	string, tty baudrate
+ *	testargs:	string
+ *	optargs:	string
+ * output:
+ *	bootargs:	string, default boot string
+ */
+#define ENV_BOOTARGS_DEFAULT "set_bootargs=" \
+	"setenv bootargs " \
+		"console=${console} " \
+		"${testargs} " \
+		"${optargs}\0"
+
+/** set_bootargs_net()
+ * input:
+ *	kernel_name:
+ *	dtb_name:
+ *	project_dir:
+ * output:
+ */
+#define ENV_NET_FCT_NETARGS "set_bootargs_net=" \
+	"run set_bootargs;" \
+	"setenv bootfile ${project_dir}/boot/${kernel_name};" \
+	"setenv bootdtb ${project_dir}/boot/${dtb_name_nfs}.dtb;" \
+	"setenv rootpath /home/projects/${project_dir}/;" \
+	"setenv bootargs ${bootargs} " \
+		"root=/dev/nfs " \
+		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
+		"ip=${ipaddr}:${serverip}:" \
+			"${gatewayip}:${netmask}:${hostname}:eth0:off\0"
+
+/** net_nfs()
+ * input:
+ * output:
+ */
+#define ENV_NET_FCT_BOOT "net_nfs=" \
+	"echo Booting from network ...; " \
+	"run set_bootargs_net; " \
+	"tftpboot ${dtb_loadaddr} ${serverip}:${bootdtb};" \
+	"if test $? -eq 1;" \
+	"then " \
+		"echo Loading default.dtb!;" \
+		"tftpboot ${dtb_loadaddr} ${serverip}:${project_dir}/boot/${dtb_name_default}.dtb;" \
+	"fi;" \
+	"tftpboot ${kernel_loadaddr} ${serverip}:${bootfile};" \
+	"printenv bootargs;" \
+	"booti ${kernel_loadaddr} - ${dtb_loadaddr}\0"
+
+/** check_update()
+ * input:
+ *	upgrade_available:	[0|1],	if set to 1 check bootcount variables
+ *	bootcount:		int,	bootcount
+ *	bootlimit:		int,	limit cootcount
+ *	toggle_partition():	-	toggles active partition set
+ * output:
+ *	upgrade_available:	[0|1],	set to 0 if bootcount > bootlimit
+ */
+#define ENV_FCT_CHECK_UPGRADE "check_upgrade="\
+	"if test ${upgrade_available} -eq 1; " \
+	"then " \
+		"echo  upgrade_available is set; " \
+		"if test ${bootcount} -gt ${bootlimit}; " \
+		"then " \
+			"setenv upgrade_available 0;" \
+			"echo toggle partition;" \
+			"run toggle_partition;" \
+		"fi;" \
+	"fi;\0"
+
+/** toggle_partition()
+ * input:
+ *	partitionset_active:	[A|B],	selected partition set
+ * output:
+ *	partitionset_active:	[A|B],	toggle
+ */
+#define ENV_FCT_TOGGLE_PARTITION "toggle_partition="\
+	"setenv ${partitionset_active} true;" \
+	"if test -n ${A}; " \
+	"then " \
+		"setenv partitionset_active B; " \
+		"env delete A; " \
+	"fi;" \
+	"if test -n ${B}; "\
+	"then " \
+		"setenv partitionset_active A; " \
+		"env delete B; " \
+	"fi;" \
+	"saveenv\0"
+
+/** set_partition()
+ * input:
+ *	partitionset_active:	[A|B],	selected partition set
+ *	rootfs_name:		string,	mmc device file in kernel, e.g. /dev/mmcblk0
+ * output:
+ *	mmc_active_vol:	string,	mmc partition device file in kernel, e.g. /dev/mmcblk0p2
+ *	mmc_part_nr:		int,	partition number of mmc, e.g. /dev/mmcblk0p2 --> 2
+ */
+#define ENV_EMMC_FCT_SET_ACTIVE_PARTITION "set_partition=" \
+	"setenv ${partitionset_active} true;" \
+	"if test -n ${A}; " \
+	"then " \
+		"setenv mmc_part_nr 1;" \
+	"fi;" \
+	"if test -n ${B}; " \
+	"then " \
+		"setenv mmc_part_nr 2;" \
+	"fi;" \
+	"setenv mmc_active_vol ${rootfs_name}p${mmc_part_nr} \0"
+
+/** set_bootargs_mmc()
+ * input:
+ *	bootargs:		string, default bootargs
+ *	mmc_active_vol		string, mmc partition device file in kernel, e.g. /dev/mmcblk0p2
+ *	ip_method:		string, [none|?]
+ * output:
+ *	bootargs:		string
+ */
+#define ENV_EMMC_FCT_SET_EMMC_BOOTARGS "set_bootargs_mmc=" \
+	"setenv bootargs ${bootargs} " \
+		"root=${mmc_active_vol} rw " \
+		"rootdelay=1 rootwait " \
+		"rootfstype=ext4 " \
+		"ip=${ip_method} \0"
+
+/** mmc_load_bootfiles()
+ * input:
+ *	mmc_part_nr:
+ *	dtb_loadaddr:
+ *	dtb_name:
+ *	kernel_loadaddr:
+ *	kernel_name:
+ */
+#define ENV_EMMC_FCT_LOADFROM_EMMC "mmc_load_bootfiles=" \
+	"echo Loading from eMMC ...;" \
+	"ext4load mmc 0:${mmc_part_nr} ${dtb_loadaddr} boot/${dtb_name}.dtb;" \
+	"if test $? -eq 1;" \
+	"then " \
+		"echo Loading default.dtb!;" \
+		"ext4load mmc 0:${mmc_part_nr} ${dtb_loadaddr} boot/${dtb_name_default}.dtb;" \
+	"fi;" \
+	"ext4load mmc 0:${mmc_part_nr} ${kernel_loadaddr} boot/${kernel_name};" \
+	"printenv bootargs;\0"
+
+/** mmc_boot()
+ * input:
+ *	mmc_part_nr:
+ *	dtb_loadaddr:
+ *	dtb_name:
+ *	kernel_loadaddr:
+ *	kernel_name:
+ */
+#define ENV_EMMC_FCT_EMMC_BOOT "mmc_boot=" \
+	"run set_bootargs;" \
+	"run check_upgrade; " \
+	"run set_partition;" \
+	"run set_bootargs_mmc;" \
+	"run mmc_load_bootfiles;" \
+	"echo Booting from eMMC ...; " \
+	"booti ${kernel_loadaddr} - ${dtb_loadaddr} \0"
+
+#define ENV_EMMC_ALIASES "" \
+	"flash_self=run mmc_boot\0" \
+	"flash_self_test=setenv testargs test; " \
+		"run mmc_boot\0"
+
+#define ENV_COMMON "" \
+	"project_dir=targetdir/rootfs\0" \
+	"serverip=192.168.251.2\0" \
+	"ipaddr=192.168.251.1\0" \
+	"dtb_name_nfs=default\0" \
+	"dtb_name_default=default\0" \
+	"kernel_name=Image\0" \
+	"partitionset_active=A\0" \
+	"dtb_loadaddr=0x83000000\0" \
+	"kernel_loadaddr=0x80280000\0" \
+	"ip_method=none\0" \
+	"rootfs_name=/dev/mmcblk0\0" \
+	"upgrade_available=0\0" \
+	"bootlimit=3\0" \
+	"altbootcmd=run bootcmd\0" \
+	"optargs=\0" \
+
+/**********************************************************************/
+
+#define ENV_EMMC	ENV_EMMC_FCT_EMMC_BOOT \
+			ENV_EMMC_FCT_LOADFROM_EMMC \
+			ENV_EMMC_FCT_SET_EMMC_BOOTARGS \
+			ENV_EMMC_FCT_SET_ACTIVE_PARTITION \
+			ENV_FCT_CHECK_UPGRADE \
+			ENV_EMMC_ALIASES \
+			ENV_FCT_TOGGLE_PARTITION
+
+#define ENV_NET		ENV_NET_FCT_BOOT \
+			ENV_NET_FCT_NETARGS \
+			ENV_BOOTARGS_DEFAULT