From 7b2268b88fb9a67b13563fa61b8ae282b9aa6e00 Mon Sep 17 00:00:00 2001 From: Gerlando Falauto Date: Mon, 27 Jan 2014 16:58:27 +0100 Subject: arm/km: enable FDT for km_kirwkood This consists of: a) Defining the addresses, enabling fdtsupport [arm] b) Defining "cramfsloadfdt" [arm,powerpc => common] c) Adding the FDT address to bootm [arm,powerpc => common] d) Defining "tftpfdt" in ramfs-,develop- [arm,powerpc >= common] This should work with 3.10 kernels, whether loaded through TFTP (with rootfs either through NFS or TFTP-ramfs) or from the NAND. The machid was left unchanged, this should keep compatibility with both older and newer kernels. Signed-off-by: Valentin Longchamp Signed-off-by: Gerlando Falauto Signed-off-by: Holger Brunck Acked-by: Valentin Longchamp --- include/configs/km/keymile-common.h | 5 +++++ include/configs/km/km-powerpc.h | 5 ----- include/configs/km/km_arm.h | 8 +++++--- 3 files changed, 10 insertions(+), 8 deletions(-) (limited to 'include/configs') diff --git a/include/configs/km/keymile-common.h b/include/configs/km/keymile-common.h index 2a15ad4..cb53dbd 100644 --- a/include/configs/km/keymile-common.h +++ b/include/configs/km/keymile-common.h @@ -220,6 +220,7 @@ CONFIG_KM_DEF_ENV_FLASH_BOOT \ CONFIG_KM_DEF_ENV_CONSTANTS \ "altbootcmd=run bootcmd\0" \ + "boot=bootm ${load_addr_r} - ${fdt_addr_r}\0" \ "bootcmd=km_checkbidhwk && " \ "setenv bootcmd \'if km_checktestboot; then; " \ "setenv boot_bank ${test_bank}; else; " \ @@ -229,6 +230,10 @@ "run ${subbootcmds}; reset\' && " \ "saveenv && saveenv && boot\0" \ "bootlimit=3\0" \ + "cramfsloadfdt=" \ + "cramfsload ${fdt_addr_r} " \ + "fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0" \ + "fdt_addr_r="__stringify(CONFIG_KM_FDT_ADDR) "\0" \ "init=/sbin/init-overlay.sh\0" \ "load_addr_r="__stringify(CONFIG_KM_KERNEL_ADDR) "\0" \ "load=tftpboot ${load_addr_r} ${u-boot}\0" \ diff --git a/include/configs/km/km-powerpc.h b/include/configs/km/km-powerpc.h index 2cebb2b..b03fdd9 100644 --- a/include/configs/km/km-powerpc.h +++ b/include/configs/km/km-powerpc.h @@ -70,11 +70,6 @@ #define CONFIG_KM_DEF_BOOT_ARGS_CPU "" #define CONFIG_KM_DEF_ENV_CPU \ - "boot=bootm ${load_addr_r} - ${fdt_addr_r}\0" \ - "cramfsloadfdt=" \ - "cramfsload ${fdt_addr_r} " \ - "fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0" \ - "fdt_addr_r=" __stringify(CONFIG_KM_FDT_ADDR) "\0" \ "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \ "update=" \ "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\ diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h index 6278e76..a5cc1c5 100644 --- a/include/configs/km/km_arm.h +++ b/include/configs/km/km_arm.h @@ -70,7 +70,8 @@ #define CONFIG_KM_PHRAM 0x17F000 #define CONFIG_KM_CRAMFS_ADDR 0x2400000 -#define CONFIG_KM_KERNEL_ADDR 0x2000000 /* 4096KBytes */ +#define CONFIG_KM_KERNEL_ADDR 0x2000000 /* 3098KBytes */ +#define CONFIG_KM_FDT_ADDR 0x23E0000 /* 128KBytes */ /* architecture specific default bootargs */ #define CONFIG_KM_DEF_BOOT_ARGS_CPU \ @@ -78,8 +79,6 @@ " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}" #define CONFIG_KM_DEF_ENV_CPU \ - "boot=bootm ${load_addr_r} - -\0" \ - "cramfsloadfdt=true\0" \ "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.kwb\0" \ CONFIG_KM_UPDATE_UBOOT \ "" @@ -87,6 +86,9 @@ #define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */ #define CONFIG_MISC_INIT_R +/* Pass open firmware flat tree */ +#define CONFIG_OF_LIBFDT + /* * NS16550 Configuration */ -- cgit v1.1