diff options
| -rw-r--r-- | meta/recipes-bsp/u-boot/files/0001-am335x_evm.h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch | 74 | ||||
| -rw-r--r-- | meta/recipes-bsp/u-boot/u-boot_2013.07.bb | 4 |
2 files changed, 77 insertions, 1 deletions
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 <denys@ti.com> +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 <denys@ti.com> +Signed-off-by: Tom Rini <trini@ti.com> + +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 + diff --git a/meta/recipes-bsp/u-boot/u-boot_2013.07.bb b/meta/recipes-bsp/u-boot/u-boot_2013.07.bb index 3141a2dd06..f8a88568d2 100644 --- a/meta/recipes-bsp/u-boot/u-boot_2013.07.bb +++ b/meta/recipes-bsp/u-boot/u-boot_2013.07.bb @@ -16,7 +16,9 @@ SRCREV = "62c175fbb8a0f9a926c88294ea9f7e88eb898f6c" PV = "v2013.07+git${SRCPV}" -SRC_URI = "git://git.denx.de/u-boot.git;branch=master" +SRC_URI = "git://git.denx.de/u-boot.git;branch=master \ + file://0001-am335x_evm.h-Add-use-DEFAULT_LINUX_BOOT_ENV-environm.patch \ +" S = "${WORKDIR}/git" |