From 23aceeb5c1fd6b3956ffc38eadecbf901031529f Mon Sep 17 00:00:00 2001
From: Max Krummenacher <max.krummenacher@toradex.com>
Date: Wed, 16 Jul 2014 18:33:07 +0200
Subject: apalis-imx6.h: add device tree booting

while at it
- clean up environment variables and names
- make setupdate work with both SD/MMC slots
- add example for VDAC video out
---
 include/configs/apalis-imx6.h | 94 +++++++++++++++++++++++++++----------------
 1 file changed, 59 insertions(+), 35 deletions(-)

diff --git a/include/configs/apalis-imx6.h b/include/configs/apalis-imx6.h
index 0ffb955973..dd9194c5b2 100644
--- a/include/configs/apalis-imx6.h
+++ b/include/configs/apalis-imx6.h
@@ -181,58 +181,82 @@
 
 #define CONFIG_DRIVE_TYPES CONFIG_DRIVE_SATA CONFIG_DRIVE_MMC
 
-#define EMMC_BOOTCMD						\
-	"run setup; "						\
-	"setenv bootargs ${defargs} ${mmcargs} ${setupargs} "	\
-		"${vidargs};"					\
-	"echo Booting from internal eMMC chip...; "		\
-	"fatload mmc 0:1 10800000 uImage && bootm 10800000"
-#define NFS_BOOTCMD						\
-	"run setup; "						\
-	"setenv bootargs ${defargs} ${nfsargs} ${setupargs} "	\
-		"${vidargs}; "					\
-	"echo Booting via DHCP/TFTP/NFS...; "			\
-	"dhcp && bootm"
+#define EMMC_BOOTCMD \
+	"emmcargs=ip=off root=/dev/mmcblk0p2 rw,noatime rootfstype=ext3 " \
+		"rootwait\0" \
+	"emmcboot=run setup; " \
+		"setenv bootargs ${defargs} ${emmcargs} ${setupargs} " \
+		"${vidargs}; echo Booting from internal eMMC chip...; "	\
+		"run emmcdtbload; fatload mmc 0:1 ${kernel_addr_r} " \
+		"${boot_file} && bootm ${kernel_addr_r} ${dtbparam}\0" \
+	"emmcdtbload=setenv dtbparam; fatload mmc 0:1 ${fdt_addr_r} " \
+		"${fdt_file} && setenv dtbparam \" - ${fdt_addr_r}\" && true\0"
+
+#define MEM_LAYOUT_ENV_SETTINGS \
+	"fdt_addr_r=0x12000000\0" \
+	"kernel_addr_r=0x10800000\0" \
+	"ramdisk_addr_r=0x10900000\0"
+
+#define NFS_BOOTCMD \
+	"nfsargs=ip=:::::eth0:on root=/dev/nfs rw netdevwait\0" \
+	"nfsboot=run setup; " \
+		"setenv bootargs ${defargs} ${nfsargs} ${setupargs} " \
+		"${vidargs}; echo Booting via DHCP/TFTP/NFS...; " \
+		"run nfsdtbload; dhcp ${kernel_addr_r} " \
+		"&& bootm ${kernel_addr_r} ${dtbparam}\0" \
+	"nfsdtbload=setenv dtbparam; tftp ${fdt_addr_r} ${fdt_file} " \
+		"&& setenv dtbparam \" - ${fdt_addr_r}\" && true\0"
+
 #define SD_BOOTCMD						\
-	"run setup; "						\
-	"setenv bootargs ${defargs} ${mmcargs} ${setupargs} "	\
-		"${vidargs};"					\
-	"echo Booting from SD card in 8bit slot...; "		\
-	"fatload mmc 1:1 10800000 uImage && bootm 10800000"
+	"sdargs=ip=off root=/dev/mmcblk1p2 rw,noatime rootfstype=ext3 " \
+		"rootwait\0" \
+	"sdboot=" "run setup; " \
+		"setenv bootargs ${defargs} ${sdargs} ${setupargs} " \
+		"${vidargs}; echo Booting from SD card in 8bit slot...; " \
+		"run sddtbload; fatload mmc 1:1 ${kernel_addr_r} " \
+		"${boot_file} && bootm ${kernel_addr_r} ${dtbparam}\0" \
+	"sddtbload=setenv dtbparam; fatload mmc 1:1 ${fdt_addr_r} " \
+		"${fdt_file} && setenv dtbparam \" - ${fdt_addr_r}\" && true\0"
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"bootcmd=run emmcboot ; echo ; echo emmcboot failed ; " \
 		"run nfsboot ; echo ; echo nfsboot failed ; " \
 		"usb start ;" \
 		"setenv stdout serial,vga ; setenv stdin serial,usbkbd\0" \
-	"bootscript=fatload mmc 1:1 10008000 6x_bootscript && source 10008000\0" \
+	"boot_file=uImage\0" \
+	"bootscript=fatload mmc 1:1 ${kernel_addr_r} 6x_bootscript && " \
+		"source ${kernel_addr_r}\0" \
 	"console=ttymxc0\0" \
 	"defargs=enable_wait_mode=off vmalloc=400M\0" \
-	"emmcboot=" EMMC_BOOTCMD "\0" \
-	"mmcargs=ip=off root=/dev/mmcblk0p2 rw,noatime rootfstype=ext3 " \
-		"rootwait\0" \
-	"mmc_kernel_size=0x4000\0" \
-	"nfsargs=ip=:::::eth0:on root=/dev/nfs rw netdevwait\0" \
-	"nfsboot=" NFS_BOOTCMD "\0" \
-	"sdboot=" SD_BOOTCMD "\0" \
+	EMMC_BOOTCMD \
+	"fdt_file=imx6q-apalis-eval.dtb\0" \
+	MEM_LAYOUT_ENV_SETTINGS \
+	NFS_BOOTCMD \
+	SD_BOOTCMD \
 	"setup=setenv setupargs fec_mac=${ethaddr} " \
 		"consoleblank=0  no_console_suspend=1 console=tty1 " \
-		"console=ttymxc0,${baudrate}n8 " \
-		"fbcon=map:1\0 " \
-	"setupdate=fatload mmc 1:1 ${loadaddr} flash_mmc.img; source \0 " \
-	"vidargs=video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 " \
+		"console=ttymxc0,${baudrate}n8\0 " \
+	"setupdate=setenv drive 1; fatload mmc ${drive}:1 ${kernel_addr_r} " \
+		"flash_mmc.img || setenv drive 2; fatload mmc ${drive}:1 " \
+		"${kernel_addr_r} flash_mmc.img && source ${kernel_addr_r}\0" \
+	"vidargs=mxc_hdmi.only_cea=1 " \
+		"video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 " \
 		"video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off " \
 		"fbmem=32M\0 " \
-	"vidargs_hdmi_lvds=video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 " \
-		"video=mxcfb1:dev=ldb,LDB-LG_LP156WF1,if=RGB666,ldb=spl1 " \
-		"video=mxcfb2:off video=mxcfb3:off " \
+	"vidargs_edt=video=mxcfb0:dev=lcd,EDT-WVGA,if=RGB24 " \
+		"video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off" \
 		"fbmem=32M\0 " \
-	"vidargs_hdmi_cea_only=mxc_hdmi.only_cea=1 video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 " \
+	"vidargs_hdmi_cea_only=mxc_hdmi.only_cea=1 " \
+		"video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 " \
 		"video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off " \
 		"fbmem=32M\0 " \
-	"vidargs_edt=video=mxcfb0:dev=lcd,EDT-WVGA,if=RGB24 " \
-		"video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off" \
+	"vidargs_hdmi_lvds=mxc_hdmi.only_cea=1 " \
+		"video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 " \
+		"video=mxcfb1:dev=ldb,LDB-LG_LP156WF1,if=RGB666 ldb=spl1 " \
+		"video=mxcfb2:off video=mxcfb3:off " \
 		"fbmem=32M\0 " \
+	"vidargs_vdac=video=mxcfb0:dev=vdac,1920x1080M@60,if=RGB565 " \
+		"video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off fbmem=32M"
 
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP
-- 
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