From b4c63d53a572803057ba5bda9ed54fd3a8a77a37 Mon Sep 17 00:00:00 2001
From: Kevin Mihelich <kevin@archlinuxarm.org>
Date: Fri, 25 Nov 2016 12:41:15 -0700
Subject: [PATCH] arch linux arm modifications

---
 board/boundary/nitrogen6x/nitrogen6x.c |  12 +++
 configs/mx6qsabrelite_defconfig        |   1 +
 configs/nitrogen6q_defconfig           |   1 +
 include/configs/nitrogen6x.h           | 153 +++++++--------------------------
 4 files changed, 43 insertions(+), 124 deletions(-)

diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c
index ab8b2be..ef2cb05 100644
--- a/board/boundary/nitrogen6x/nitrogen6x.c
+++ b/board/boundary/nitrogen6x/nitrogen6x.c
@@ -910,6 +910,18 @@ int board_init(void)
 	return 0;
 }
 
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+	if (gpio_get_value(WL12XX_WL_IRQ_GP))
+		setenv("board_name", "nitrogen6x");
+	else
+		setenv("board_name", "sabrelite");
+#endif
+
+	return 0;
+}
+
 int checkboard(void)
 {
 	if (gpio_get_value(WL12XX_WL_IRQ_GP))
diff --git a/configs/mx6qsabrelite_defconfig b/configs/mx6qsabrelite_defconfig
index d0ecdb9..b44f071 100644
--- a/configs/mx6qsabrelite_defconfig
+++ b/configs/mx6qsabrelite_defconfig
@@ -42,3 +42,4 @@ CONFIG_G_DNL_VENDOR_NUM=0x0525
 CONFIG_G_DNL_PRODUCT_NUM=0xa4a5
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_OF_LIBFDT=y
+CONFIG_IDENT_STRING=" Arch Linux ARM"
diff --git a/configs/nitrogen6q_defconfig b/configs/nitrogen6q_defconfig
index 0063df7..eaac435 100644
--- a/configs/nitrogen6q_defconfig
+++ b/configs/nitrogen6q_defconfig
@@ -40,3 +40,4 @@ CONFIG_G_DNL_VENDOR_NUM=0x0525
 CONFIG_G_DNL_PRODUCT_NUM=0xa4a5
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_OF_LIBFDT=y
+CONFIG_IDENT_STRING=" Arch Linux ARM"
diff --git a/include/configs/nitrogen6x.h b/include/configs/nitrogen6x.h
index c22fed7..1dfc695 100644
--- a/include/configs/nitrogen6x.h
+++ b/include/configs/nitrogen6x.h
@@ -126,138 +126,43 @@
 #define CONFIG_DRIVE_TYPES CONFIG_DRIVE_SATA CONFIG_DRIVE_MMC CONFIG_DRIVE_USB
 #define CONFIG_UMSDEVS CONFIG_DRIVE_SATA CONFIG_DRIVE_MMC
 
-#if defined(CONFIG_SABRELITE)
+
+#include <config_distro_defaults.h>
+
+#define CONFIG_BOARD_LATE_INIT
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 #define CONFIG_EXTRA_ENV_SETTINGS \
-	"script=boot.scr\0" \
-	"uimage=uImage\0" \
-	"console=ttymxc1\0" \
+	"console=ttymxc1,115200\0" \
+	"fdtfile=undefined\0" \
 	"fdt_high=0xffffffff\0" \
 	"initrd_high=0xffffffff\0" \
-	"fdt_file=imx6q-sabrelite.dtb\0" \
+	"fdt_addr_r=0x18000000\0" \
 	"fdt_addr=0x18000000\0" \
-	"boot_fdt=try\0" \
+	"ramdisk_addr_r=0x19000000\0" \
+	"kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
+	"scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \
 	"ip_dyn=yes\0" \
-	"mmcdevs=0 1\0" \
-	"mmcpart=1\0" \
-	"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
-	"mmcargs=setenv bootargs console=${console},${baudrate} " \
-		"root=${mmcroot}\0" \
-	"loadbootscript=" \
-		"load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
-	"bootscript=echo Running bootscript from mmc ...; " \
-		"source\0" \
-	"loaduimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
-	"loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
-	"mmcboot=echo Booting from mmc ...; " \
-		"run mmcargs; " \
-		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
-			"if run loadfdt; then " \
-				"bootm ${loadaddr} - ${fdt_addr}; " \
-			"else " \
-				"if test ${boot_fdt} = try; then " \
-					"bootm; " \
-				"else " \
-					"echo WARN: Cannot load the DT; " \
-				"fi; " \
-			"fi; " \
-		"else " \
-			"bootm; " \
-		"fi;\0" \
-	"netargs=setenv bootargs console=${console},${baudrate} " \
-		"root=/dev/nfs " \
-	"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
-		"netboot=echo Booting from net ...; " \
-		"run netargs; " \
-		"if test ${ip_dyn} = yes; then " \
-			"setenv get_cmd dhcp; " \
-		"else " \
-			"setenv get_cmd tftp; " \
-		"fi; " \
-		"${get_cmd} ${uimage}; " \
-		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
-			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
-				"bootm ${loadaddr} - ${fdt_addr}; " \
-			"else " \
-				"if test ${boot_fdt} = try; then " \
-					"bootm; " \
-				"else " \
-					"echo WARN: Cannot load the DT; " \
-				"fi; " \
-			"fi; " \
-		"else " \
-			"bootm; " \
-		"fi;\0"
+	"findfdt="\
+		"if test $board_name = nitrogen6x ; then " \
+			"setenv fdtfile imx6q-nitrogen6x.dtb; fi; " \
+		"if test $board_name = sabrelite ; then " \
+			"setenv fdtfile imx6q-sabrelite.dtb; fi; " \
+		"if test $fdtfile = undefined; then " \
+			"echo WARNING: Could not determine dtb to use; fi; \0" \
+	BOOTENV
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(MMC, mmc, 1) \
+	func(USB, usb, 0) \
+	func(SATA, sata, 0)
 
 #define CONFIG_BOOTCOMMAND \
-	"for mmcdev in ${mmcdevs}; do " \
-		"mmc dev ${mmcdev}; " \
-		"if mmc rescan; then " \
-			"if run loadbootscript; then " \
-				"run bootscript; " \
-			"else " \
-				"if run loaduimage; then " \
-					"run mmcboot; " \
-				"fi; " \
-			"fi; " \
-		"fi; " \
-	"done; " \
-	"run netboot; "
-#else
-#define CONFIG_EXTRA_ENV_SETTINGS \
-	"bootdevs=" CONFIG_DRIVE_TYPES "\0" \
-	"umsdevs=" CONFIG_UMSDEVS "\0" \
-	"console=ttymxc1\0" \
-	"clearenv=if sf probe || sf probe || sf probe 1 ; then " \
-		"sf erase 0xc0000 0x2000 && " \
-		"echo restored environment to factory default ; fi\0" \
-	"bootcmd=for dtype in ${bootdevs}" \
-		"; do " \
-			"if itest.s \"xusb\" == \"x${dtype}\" ; then " \
-				"usb start ;" \
-			"fi; " \
-			"for disk in 0 1 ; do ${dtype} dev ${disk} ;" \
-				"load " \
-					"${dtype} ${disk}:1 " \
-					"10008000 " \
-					"/6x_bootscript" \
-					"&& source 10008000 ; " \
-			"done ; " \
-		"done; " \
-		"setenv stdout serial,vga ; " \
-		"echo ; echo 6x_bootscript not found ; " \
-		"echo ; echo serial console at 115200, 8N1 ; echo ; " \
-		"echo details at http://boundarydevices.com/6q_bootscript ; " \
-		"setenv stdout serial;" \
-		"setenv stdin serial,usbkbd;" \
-		"for dtype in ${umsdevs} ; do " \
-			"if itest.s sata == ${dtype}; then " \
-				"initcmd='sata init' ;" \
-			"else " \
-				"initcmd='mmc rescan' ;" \
-			"fi; " \
-			"for disk in 0 1 ; do " \
-				"if $initcmd && $dtype dev $disk ; then " \
-					"setenv stdout serial,vga; " \
-					"echo expose ${dtype} ${disk} " \
-						"over USB; " \
-					"ums 0 $dtype $disk ;" \
-				"fi; " \
-		"	done; " \
-		"done ;" \
-		"setenv stdout serial,vga; " \
-		"echo no block devices found;" \
-		"\0" \
-	"initrd_high=0xffffffff\0" \
-	"upgradeu=for dtype in ${bootdevs}" \
-		"; do " \
-		"for disk in 0 1 ; do ${dtype} dev ${disk} ;" \
-			"load ${dtype} ${disk}:1 10008000 " \
-				"/6x_upgrade " \
-				"&& source 10008000 ; " \
-		"done ; " \
-	"done\0" \
+	   "run findfdt; " \
+	   "run distro_bootcmd"
+
+#include <config_distro_bootcmd.h>
 
-#endif
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_MEMTEST_START       0x10000000
 #define CONFIG_SYS_MEMTEST_END	       0x10010000
-- 
2.10.2