[boot] add u-boot patches for BeagleBone, BeagleBoard xM and PandaBoard

boot/u-boot_patches/sabayon+genkernel+initrd-boot+beagleboard.patch

@@ -0,0 +1,62 @@
+diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
+index 91af8a0..07e48eb 100644
+--- a/include/configs/omap3_beagle.h
++++ b/include/configs/omap3_beagle.h
+@@ -217,7 +217,6 @@
+ 	"optargs=\0" \
+ 	"camera=none\0" \
+ 	"vram=12M\0" \
+-	"dvimode=640x480MR-16@60\0" \
+ 	"defaultdisplay=dvi\0" \
+ 	"mmcdev=0\0" \
+ 	"mmcroot=/dev/mmcblk0p2 rw\0" \
+@@ -232,7 +231,6 @@
+ 		"buddy=${buddy} "\
+ 		"camera=${camera} "\
+ 		"vram=${vram} " \
+-		"omapfb.mode=dvi:${dvimode} " \
+ 		"omapdss.def_disp=${defaultdisplay} " \
+ 		"root=${mmcroot} " \
+ 		"rootfstype=${mmcrootfstype}\0" \
+@@ -242,7 +240,6 @@
+ 		"buddy=${buddy} "\
+ 		"camera=${camera} "\
+ 		"vram=${vram} " \
+-		"omapfb.mode=dvi:${dvimode} " \
+ 		"omapdss.def_disp=${defaultdisplay} " \
+ 		"root=${nandroot} " \
+ 		"rootfstype=${nandrootfstype}\0" \
+@@ -255,16 +252,19 @@
+ 		"mpurate=${mpurate} " \
+ 		"buddy=${buddy} "\
+ 		"vram=${vram} " \
+-		"omapfb.mode=dvi:${dvimode} " \
+ 		"omapdss.def_disp=${defaultdisplay} " \
+ 		"root=${ramroot} " \
+ 		"rootfstype=${ramrootfstype}\0" \
+ 	"loadramdisk=fatload mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
+ 	"loaduimagefat=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
+ 	"loaduimage=ext2load mmc ${mmcdev}:2 ${loadaddr} /boot/uImage\0" \
++	"loaduinitrd=ext2load mmc ${mmcdev}:2 ${rdaddr} /boot/uInitrd\0" \
+ 	"mmcboot=echo Booting from mmc ...; " \
+ 		"run mmcargs; " \
+ 		"bootm ${loadaddr}\0" \
++	"mmcbootrd=echo Booting from mmc (+uInitrd)...; " \
++		"run mmcargs; " \
++		"bootm ${loadaddr} ${rdaddr}\0" \
+ 	"nandboot=echo Booting from nand ...; " \
+ 		"run nandargs; " \
+ 		"nand read ${loadaddr} 280000 400000; " \
+@@ -288,7 +288,11 @@
+ 			"run uenvcmd;" \
+ 		"fi;" \
+ 		"if run loaduimage; then " \
+-			"run mmcboot;" \
++			"if run loaduinitrd; then " \
++				"run mmcbootrd;" \
++			"else " \
++				"run mmcboot;" \
++			"fi;" \
+ 		"fi;" \
+ 	"fi;" \
+ 	"run nandboot;" \

boot/u-boot_patches/sabayon+genkernel+initrd-boot+beaglebone.patch

@@ -0,0 +1,55 @@
+diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
+index 0170e11..89a46eb 100755
+--- a/include/configs/am335x_evm.h
++++ b/include/configs/am335x_evm.h
+@@ -46,7 +46,9 @@
+ 
+ #define CONFIG_EXTRA_ENV_SETTINGS \
+ 	"bootfile=uImage\0" \
++	"ramdiskfile=uInitrd\0" \
+ 	"loadaddr=0x82000000\0" \
++	"rdaddr=0x81000000\0" \
+ 	"script_addr=0x81900000\0" \
+ 	"console=ttyO0,115200n8\0" \
+ 	"mmc_dev=0\0" \
+@@ -75,6 +77,8 @@
+ 	"importbootenv=echo Importing environment from mmc ...; " \
+ 		"env import -t $loadaddr $filesize\0" \
+ 	"mmc_load_uimage=fatload mmc ${mmc_dev} 0x80007fc0 ${bootfile}\0" \
++	"mmc_load_ext_uimage=ext2load mmc ${mmc_dev}:2 ${loadaddr} /boot/${bootfile}\0" \
++	"mmc_load_ext_initrd=ext2load mmc ${mmc_dev}:2 ${rdaddr} /boot/${ramdiskfile}\0" \
+ 	"optargs=\0" \
+ 	"bootargs_defaults=setenv bootargs " \
+ 		"console=${console} " \
+@@ -101,8 +105,14 @@
+ 		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
+ 		"ip=dhcp\0" \
+ 	"mmc_boot=run mmc_args; " \
+-		"run mmc_load_uimage; " \
+-		"bootm\0" \
++                "if run mmc_load_uimage; then " \
++                        "bootm;" \
++                "fi;" \
++                "if run mmc_load_ext_uimage; then " \
++			"run mmc_load_ext_initrd;" \
++                        "bootm;" \
++                "fi;" \
++		"\0" \
+ 	"nand_boot=echo Booting from nand ...; " \
+ 		"run nand_args; " \
+ 		"nand read.i ${loadaddr} ${nand_src_addr} ${nand_img_siz}; " \
+@@ -138,6 +148,14 @@
+ 			"run mmc_args;" \
+ 			"bootm;" \
+ 		"fi;" \
++		"if run mmc_load_ext_uimage; then " \
++			"run mmc_args;" \
++			"if run mmc_load_ext_initrd; then " \
++				"bootm ${loadaddr} ${rdaddr};" \
++			"else " \
++				"bootm ${loadaddr};" \
++			"fi;" \
++		"fi;" \
+ 	"fi;" \
+ 	"run nand_boot;" \
+ 

boot/u-boot_patches/sabayon+genkernel+initrd-boot+pandaboard.patch

@@ -0,0 +1,59 @@
+diff --git a/include/configs/omap4_common.h b/include/configs/omap4_common.h
+index a989721..4583a5a 100644
+--- a/include/configs/omap4_common.h
++++ b/include/configs/omap4_common.h
+@@ -150,32 +150,51 @@
+ 
+ #define CONFIG_EXTRA_ENV_SETTINGS \
+ 	"loadaddr=0x82000000\0" \
++	"rdaddr=0x81000000\0" \
+ 	"console=ttyO2,115200n8\0" \
+ 	"usbtty=cdc_acm\0" \
+ 	"vram=16M\0" \
++	"optargs=\0" \
+ 	"mmcdev=0\0" \
+ 	"mmcroot=/dev/mmcblk0p2 rw\0" \
+ 	"mmcrootfstype=ext3 rootwait\0" \
+ 	"mmcargs=setenv bootargs console=${console} " \
++		"${optargs} " \
+ 		"vram=${vram} " \
+ 		"root=${mmcroot} " \
+ 		"rootfstype=${mmcrootfstype}\0" \
+ 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+ 	"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
+ 		"source ${loadaddr}\0" \
+-	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
++	"bootenv=uEnv.txt\0" \
++	"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
++	"importbootenv=echo Importing environment from mmc ...; " \
++		"env import -t ${loadaddr} ${filesize}\0" \
++	"loaduimage=ext2load mmc ${mmcdev}:2 ${loadaddr} /boot/uImage\0" \
++	"loaduinitrd=ext2load mmc ${mmcdev}:2 ${rdaddr} /boot/uInitrd\0" \
+ 	"mmcboot=echo Booting from mmc${mmcdev} ...; " \
+ 		"run mmcargs; " \
+ 		"bootm ${loadaddr}\0" \
++	"mmcbootrd=echo Booting from mmc${mmcdev} (+initrd)...; " \
++		"run mmcargs; " \
++		"bootm ${loadaddr} ${rdaddr}\0" \
+ 
+ #define CONFIG_BOOTCOMMAND \
+ 	"if mmc rescan ${mmcdev}; then " \
++		"if run loadbootenv; then " \
++			"echo Loaded environment from ${bootenv};" \
++			"run importbootenv;" \
++		"fi;" \
+ 		"if run loadbootscript; then " \
+ 			"run bootscript; " \
+ 		"else " \
+ 			"if run loaduimage; then " \
+-				"run mmcboot; " \
+-			"fi; " \
++				"if run loaduinitrd; then " \
++					"run mmcbootrd;" \
++				"else " \
++					"run mmcboot;" \
++				"fi;" \
++			"fi;" \
+ 		"fi; " \
+ 	"fi"
+