diff options
Diffstat (limited to 'packages/uboot/u-boot-mkimage-gta01-native/boot-from-ram-and-nand.patch')
-rw-r--r-- | packages/uboot/u-boot-mkimage-gta01-native/boot-from-ram-and-nand.patch | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/packages/uboot/u-boot-mkimage-gta01-native/boot-from-ram-and-nand.patch b/packages/uboot/u-boot-mkimage-gta01-native/boot-from-ram-and-nand.patch deleted file mode 100644 index fa0de39ab7..0000000000 --- a/packages/uboot/u-boot-mkimage-gta01-native/boot-from-ram-and-nand.patch +++ /dev/null @@ -1,98 +0,0 @@ -Auto-detect whether we're booting from RAM or NAND, and act accordingly. This -allows us to use the same u-boot binary for all boot modes. - -include/configs/neo1973.h: introduced new config option - CONFIG_LL_INIT_NAND_ONLY to perform low-level initialization only when - booting from NAND -include/configs/neo1973.h: got rid of BUILD_FOR_RAM -cpu/arm920t/start.S: detect if we need to boot from NAND at run time (i.e., if - we're running at address 0) - -- 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 -@@ -157,18 +157,26 @@ - str r1, [r0] - #endif /* CONFIG_S3C2400 || CONFIG_S3C2410 */ - -- /* -- * we do sys-critical inits only at reboot, -- * not when booting from ram! -- */ - #ifndef CONFIG_SKIP_LOWLEVEL_INIT -+#ifndef CONFIG_LL_INIT_NAND_ONLY - bl cpu_init_crit - #endif -+#endif - - #ifndef CONFIG_SKIP_RELOCATE_UBOOT --#ifndef CONFIG_S3C2410_NAND_BOOT --relocate: /* relocate U-Boot to RAM */ - adr r0, _start /* r0 <- current position of code */ -+ -+#ifdef CONFIG_S3C2410_NAND_BOOT -+ /* are we running from NAND ? */ -+#define BWSCON 0x48000000 -+ ldr r1, =BWSCON /* Z = CPU booted from NAND */ -+ ldr r1, [r1] -+ tst r1, #6 /* BWSCON[2:1] = OM[1:0] */ -+ teqeq r0, #0 /* Z &= running at address 0 */ -+ beq nand_load -+#endif /* CONFIG_S3C2410_NAND_BOOT */ -+ -+relocate: /* relocate U-Boot to RAM */ - ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ - cmp r0, r1 /* don't reloc during debug */ - beq done_relocate -@@ -188,10 +196,13 @@ - ldr pc, _done_relocate /* jump to relocated code */ - _done_relocate: - .word done_relocate --done_relocate: --#else /* NAND_BOOT */ --relocate: --copy_myself: -+ -+#ifdef CONFIG_S3C2410_NAND_BOOT -+nand_load: -+#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && defined(CONFIG_LL_INIT_NAND_ONLY) -+ bl cpu_init_crit -+#endif -+ - /* mov r10, lr */ - - @ reset NAND -@@ -275,7 +286,8 @@ - #endif - 1: b 1b - done_nand_read: --#endif /* NAND_BOOT */ -+#endif /* CONFIG_S3C2410_NAND_BOOT */ -+done_relocate: - #endif /* CONFIG_SKIP_RELOCATE_UBOOT */ - - /* Set up the stack */ -Index: u-boot/include/configs/neo1973_gta01.h -=================================================================== ---- u-boot.orig/include/configs/neo1973_gta01.h -+++ u-boot/include/configs/neo1973_gta01.h -@@ -26,14 +26,10 @@ - #ifndef __CONFIG_H - #define __CONFIG_H - --#if defined(BUILD_FOR_RAM) --/* If we want to start u-boot from inside RAM */ --#define CONFIG_SKIP_LOWLEVEL_INIT 1 --#else --/* we want to start u-boot directly from within NAND flash */ -+/* we want to be able to start u-boot directly from within NAND flash */ -+#define CONFIG_LL_INIT_NAND_ONLY - #define CONFIG_S3C2410_NAND_BOOT 1 - #define CONFIG_S3C2410_NAND_SKIP_BAD 1 --#endif - - #define CFG_UBOOT_SIZE 0x40000 /* size of u-boot, for NAND loading */ - |