diff options
Diffstat (limited to 'packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch')
| -rw-r--r-- | packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch b/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch deleted file mode 100644 index 53a3e05c67..0000000000 --- a/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch +++ /dev/null @@ -1,62 +0,0 @@ -This patch allows us to boot from anywhere in RAM. It mainly sets the stage -for later patches. The only real changes here is the better handling of already -cached code (e.g., if we were started by a previous instance of u-boot), and -that we drop CONFIG_SKIP_RELOCATE_UBOOT from neo1973.h - -cpu/arm920t/start.S: if not relocating, instead of going straight to - stack_setup, jump to done_relocate, which may perform other setup tasks -cpu/arm920t/start.S: after relocating, flush the cache and jump to the new code -include/configs/neo1973.h: remove CONFIG_SKIP_RELOCATE_UBOOT - -- Werner Almesberger <werner@openmoko.org> - -Index: u-boot/cpu/arm920t/start.S -=================================================================== ---- u-boot.orig/cpu/arm920t/start.S -+++ u-boot/cpu/arm920t/start.S -@@ -171,7 +171,7 @@ relocate: /* relocate U-Boot to RAM - adr r0, _start /* r0 <- current position of code */ - ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ - cmp r0, r1 /* don't reloc during debug */ -- beq stack_setup -+ beq done_relocate - - ldr r2, _armboot_start - ldr r3, _bss_start -@@ -181,8 +181,14 @@ relocate: /* relocate U-Boot to RAM - copy_loop: - ldmia r0!, {r3-r10} /* copy from source address [r0] */ - stmia r1!, {r3-r10} /* copy to target address [r1] */ -- cmp r0, r2 /* until source end addreee [r2] */ -+ cmp r0, r2 /* until source end address [r2] */ - ble copy_loop -+ mov r0, #0 /* flush v3/v4 cache */ -+ mcr p15, 0, r0, c7, c7, 0 -+ ldr pc, _done_relocate /* jump to relocated code */ -+_done_relocate: -+ .word done_relocate -+done_relocate: - #else /* NAND_BOOT */ - relocate: - copy_myself: -@@ -270,7 +276,7 @@ notmatch: - 1: b 1b - done_nand_read: - #endif /* NAND_BOOT */ --#endif /* CONFIG_SKIP_RELOCATE_UBOOT */ -+#endif /* CONFIG_SKIP_RELOCATE_UBOOT */ - - /* Set up the stack */ - stack_setup: -Index: u-boot/include/configs/neo1973_gta01.h -=================================================================== ---- u-boot.orig/include/configs/neo1973_gta01.h -+++ u-boot/include/configs/neo1973_gta01.h -@@ -28,7 +28,6 @@ - - #if defined(BUILD_FOR_RAM) - /* If we want to start u-boot from inside RAM */ --#define CONFIG_SKIP_RELOCATE_UBOOT 1 - #define CONFIG_SKIP_LOWLEVEL_INIT 1 - #else - /* we want to start u-boot directly from within NAND flash */ |