From c527fd1f14c27855a37f2e8ac5346ce8d940ced2 Mon Sep 17 00:00:00 2001 From: Tudor Florea Date: Thu, 16 Oct 2014 03:05:19 +0200 Subject: initial commit for Enea Linux 4.0-140929 Migrated from the internal git server on the daisy-enea-point-release branch Signed-off-by: Tudor Florea --- ...h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 meta/recipes-bsp/u-boot/files/0001-am335x_evm.h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch (limited to 'meta/recipes-bsp/u-boot/files/0001-am335x_evm.h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch') diff --git a/meta/recipes-bsp/u-boot/files/0001-am335x_evm.h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch b/meta/recipes-bsp/u-boot/files/0001-am335x_evm.h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch new file mode 100644 index 0000000000..77e35bbc7c --- /dev/null +++ b/meta/recipes-bsp/u-boot/files/0001-am335x_evm.h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch @@ -0,0 +1,74 @@ +From 5701384cea4a829b772bf7a96a74825b58c22385 Mon Sep 17 00:00:00 2001 +From: Denys Dmytriyenko +Date: Thu, 17 Apr 2014 12:25:40 -0400 +Subject: [PATCH] am335x_evm.h: Add, use DEFAULT_LINUX_BOOT_ENV environment + string + +Modified version of the patch currently being reviewed for mainline: +http://patchwork.ozlabs.org/patch/334861/ + +To deal with a reoccurring problem properly we need to specify addresses +for the Linux kernel, Flatted Device Tree and ramdisk that obey the +constraints within the kernel's Documentation/arm/Booting file but also +make sure that we relocate things within a valid address range. + +Signed-off-by: Denys Dmytriyenko +Signed-off-by: Tom Rini + +Upstream-Status: Pending +--- + include/configs/am335x_evm.h | 31 ++++++++++++++++++++++++++----- + 1 file changed, 26 insertions(+), 5 deletions(-) + +diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h +index c5a6d4b..01e32b3 100644 +--- a/include/configs/am335x_evm.h ++++ b/include/configs/am335x_evm.h +@@ -54,10 +54,7 @@ + #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + #ifndef CONFIG_SPL_BUILD + #define CONFIG_EXTRA_ENV_SETTINGS \ +- "loadaddr=0x80200000\0" \ +- "fdtaddr=0x80F80000\0" \ +- "fdt_high=0xffffffff\0" \ +- "rdaddr=0x81000000\0" \ ++ DEFAULT_LINUX_BOOT_ENV \ + "bootdir=/boot\0" \ + "bootfile=uImage\0" \ + "fdtfile=undefined\0" \ +@@ -197,7 +194,31 @@ + #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \ + + (8 * 1024 * 1024)) + +-#define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */ ++/* ++ * Our DDR memory always starts at 0x80000000 and U-Boot shall have ++ * relocated itself to higher in memory by the time this value is used. ++ * However, set this to a 32MB offset to allow for easier Linux kernel ++ * booting as the default is often used as the kernel load address. ++ */ ++#define CONFIG_SYS_LOAD_ADDR 0x82000000 /* Default load address */ ++ ++/* ++ * We setup defaults based on constraints from the Linux kernel, which should ++ * also be safe elsewhere. We have the default load at 32MB into DDR (for ++ * the kernel), FDT above 128MB (the maximum location for the end of the ++ * kernel), and the ramdisk 512KB above that (allowing for hopefully never ++ * seen large trees). We say all of this must be within the first 256MB ++ * as that will normally be within the kernel lowmem and thus visible via ++ * bootm_size and we only run on platforms with 256MB or more of memory. ++ */ ++#define DEFAULT_LINUX_BOOT_ENV \ ++ "loadaddr=0x82000000\0" \ ++ "kernel_addr_r=0x82000000\0" \ ++ "fdtaddr=0x88000000\0" \ ++ "fdt_addr_r=0x88000000\0" \ ++ "rdaddr=0x88080000\0" \ ++ "ramdisk_addr_r=0x88080000\0" \ ++ "bootm_size=0x10000000\0" + + #define CONFIG_MMC + #define CONFIG_GENERIC_MMC +-- +1.9.2 + -- cgit v1.2.3-54-g00ecf