From patchwork Tue Mar 26 04:27:35 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot, V3, 4/5] ARM: OMAP4/5: Change the default boot command to work with device tree X-Patchwork-Submitter: SRICHARAN R X-Patchwork-Id: 231082 X-Patchwork-Delegate: trini@ti.com Message-Id: <1364272056-27886-5-git-send-email-r.sricharan@ti.com> To: Cc: trini@ti.com Date: Tue, 26 Mar 2013 09:57:35 +0530 From: Sricharan R List-Id: U-Boot discussion Now with kernel moving to all device tree, the default boot command is changed to pass the device tree blob. Also, adding the findfdt command to get the dt-blob based on the board. Thanks to Tom Rini for suggesting this. Acked-by: Nishanth Menon Signed-off-by: Sricharan R Tested-by: Nishanth Menon --- [V2] Corrected the board file name for omap4 boards in findfdt command [V3] Changed fdtaddr as per Tom Rini's comments include/configs/omap4_common.h | 13 +++++++++++-- include/configs/omap5_common.h | 11 +++++++++-- 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/include/configs/omap4_common.h b/include/configs/omap4_common.h index 6ae6a0f..f34c130 100644 --- a/include/configs/omap4_common.h +++ b/include/configs/omap4_common.h @@ -138,6 +138,7 @@ */ #define CONFIG_BOOTDELAY 3 +#define CONFIG_ENV_VARS_UBOOT_CONFIG #define CONFIG_ENV_OVERWRITE @@ -145,6 +146,7 @@ "loadaddr=0x82000000\0" \ "console=ttyO2,115200n8\0" \ "fdt_high=0xffffffff\0" \ + "fdtaddr=0x80f80000\0" \ "usbtty=cdc_acm\0" \ "vram=16M\0" \ "mmcdev=0\0" \ @@ -153,7 +155,9 @@ "mmcargs=setenv bootargs console=${console} " \ "vram=${vram} " \ "root=${mmcroot} " \ - "rootfstype=${mmcrootfstype}\0" \ + "rootfstype=${mmcrootfstype}; " \ + "run findfdt; " \ + "fatload mmc ${mmcdev} ${fdtaddr} ${fdtfile}\0" \ "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \ "source ${loadaddr}\0" \ @@ -163,7 +167,12 @@ "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ "mmcboot=echo Booting from mmc${mmcdev} ...; " \ "run mmcargs; " \ - "bootm ${loadaddr}\0" \ + "bootm ${loadaddr} - ${fdtaddr}\0" \ + "findfdt="\ + "if test $board_name = sdp4430; then " \ + "setenv fdtfile omap4-sdp.dtb; fi; " \ + "if test $board_name = panda; then " \ + "setenv fdtfile omap4-panda-es.dtb; fi\0" \ #define CONFIG_BOOTCOMMAND \ "mmc dev ${mmcdev}; if mmc rescan; then " \ diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h index 6d7aa7b..bcbf9cc 100644 --- a/include/configs/omap5_common.h +++ b/include/configs/omap5_common.h @@ -137,6 +137,7 @@ */ #define CONFIG_BOOTDELAY 3 +#define CONFIG_ENV_VARS_UBOOT_CONFIG #define CONFIG_ENV_OVERWRITE @@ -144,6 +145,7 @@ "loadaddr=0x82000000\0" \ "console=ttyO2,115200n8\0" \ "fdt_high=0xffffffff\0" \ + "fdtaddr=0x80f80000\0" \ "usbtty=cdc_acm\0" \ "vram=16M\0" \ "mmcdev=0\0" \ @@ -152,7 +154,9 @@ "mmcargs=setenv bootargs console=${console} " \ "vram=${vram} " \ "root=${mmcroot} " \ - "rootfstype=${mmcrootfstype}\0" \ + "rootfstype=${mmcrootfstype}; " \ + "run findfdt; " \ + "fatload mmc ${mmcdev} ${fdtaddr} ${fdtfile}\0" \ "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \ "source ${loadaddr}\0" \ @@ -162,7 +166,10 @@ "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ "mmcboot=echo Booting from mmc${mmcdev} ...; " \ "run mmcargs; " \ - "bootm ${loadaddr}\0" \ + "bootm ${loadaddr} - ${fdtaddr}\0" \ + "findfdt="\ + "if test $board_name = omap5_uevm; then " \ + "setenv fdtfile omap5-uevm.dtb; fi;\0 " \ #define CONFIG_BOOTCOMMAND \ "mmc dev ${mmcdev}; if mmc rescan; then " \