diff options
Diffstat (limited to 'meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch')
| -rw-r--r-- | meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch deleted file mode 100644 index fa0de39ab7..0000000000 --- a/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch +++ /dev/null | |||
| @@ -1,98 +0,0 @@ | |||
| 1 | Auto-detect whether we're booting from RAM or NAND, and act accordingly. This | ||
| 2 | allows us to use the same u-boot binary for all boot modes. | ||
| 3 | |||
| 4 | include/configs/neo1973.h: introduced new config option | ||
| 5 | CONFIG_LL_INIT_NAND_ONLY to perform low-level initialization only when | ||
| 6 | booting from NAND | ||
| 7 | include/configs/neo1973.h: got rid of BUILD_FOR_RAM | ||
| 8 | cpu/arm920t/start.S: detect if we need to boot from NAND at run time (i.e., if | ||
| 9 | we're running at address 0) | ||
| 10 | |||
| 11 | - Werner Almesberger <werner@openmoko.org> | ||
| 12 | |||
| 13 | Index: u-boot/cpu/arm920t/start.S | ||
| 14 | =================================================================== | ||
| 15 | --- u-boot.orig/cpu/arm920t/start.S | ||
| 16 | +++ u-boot/cpu/arm920t/start.S | ||
| 17 | @@ -157,18 +157,26 @@ | ||
| 18 | str r1, [r0] | ||
| 19 | #endif /* CONFIG_S3C2400 || CONFIG_S3C2410 */ | ||
| 20 | |||
| 21 | - /* | ||
| 22 | - * we do sys-critical inits only at reboot, | ||
| 23 | - * not when booting from ram! | ||
| 24 | - */ | ||
| 25 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT | ||
| 26 | +#ifndef CONFIG_LL_INIT_NAND_ONLY | ||
| 27 | bl cpu_init_crit | ||
| 28 | #endif | ||
| 29 | +#endif | ||
| 30 | |||
| 31 | #ifndef CONFIG_SKIP_RELOCATE_UBOOT | ||
| 32 | -#ifndef CONFIG_S3C2410_NAND_BOOT | ||
| 33 | -relocate: /* relocate U-Boot to RAM */ | ||
| 34 | adr r0, _start /* r0 <- current position of code */ | ||
| 35 | + | ||
| 36 | +#ifdef CONFIG_S3C2410_NAND_BOOT | ||
| 37 | + /* are we running from NAND ? */ | ||
| 38 | +#define BWSCON 0x48000000 | ||
| 39 | + ldr r1, =BWSCON /* Z = CPU booted from NAND */ | ||
| 40 | + ldr r1, [r1] | ||
| 41 | + tst r1, #6 /* BWSCON[2:1] = OM[1:0] */ | ||
| 42 | + teqeq r0, #0 /* Z &= running at address 0 */ | ||
| 43 | + beq nand_load | ||
| 44 | +#endif /* CONFIG_S3C2410_NAND_BOOT */ | ||
| 45 | + | ||
| 46 | +relocate: /* relocate U-Boot to RAM */ | ||
| 47 | ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ | ||
| 48 | cmp r0, r1 /* don't reloc during debug */ | ||
| 49 | beq done_relocate | ||
| 50 | @@ -188,10 +196,13 @@ | ||
| 51 | ldr pc, _done_relocate /* jump to relocated code */ | ||
| 52 | _done_relocate: | ||
| 53 | .word done_relocate | ||
| 54 | -done_relocate: | ||
| 55 | -#else /* NAND_BOOT */ | ||
| 56 | -relocate: | ||
| 57 | -copy_myself: | ||
| 58 | + | ||
| 59 | +#ifdef CONFIG_S3C2410_NAND_BOOT | ||
| 60 | +nand_load: | ||
| 61 | +#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && defined(CONFIG_LL_INIT_NAND_ONLY) | ||
| 62 | + bl cpu_init_crit | ||
| 63 | +#endif | ||
| 64 | + | ||
| 65 | /* mov r10, lr */ | ||
| 66 | |||
| 67 | @ reset NAND | ||
| 68 | @@ -275,7 +286,8 @@ | ||
| 69 | #endif | ||
| 70 | 1: b 1b | ||
| 71 | done_nand_read: | ||
| 72 | -#endif /* NAND_BOOT */ | ||
| 73 | +#endif /* CONFIG_S3C2410_NAND_BOOT */ | ||
| 74 | +done_relocate: | ||
| 75 | #endif /* CONFIG_SKIP_RELOCATE_UBOOT */ | ||
| 76 | |||
| 77 | /* Set up the stack */ | ||
| 78 | Index: u-boot/include/configs/neo1973_gta01.h | ||
| 79 | =================================================================== | ||
| 80 | --- u-boot.orig/include/configs/neo1973_gta01.h | ||
| 81 | +++ u-boot/include/configs/neo1973_gta01.h | ||
| 82 | @@ -26,14 +26,10 @@ | ||
| 83 | #ifndef __CONFIG_H | ||
| 84 | #define __CONFIG_H | ||
| 85 | |||
| 86 | -#if defined(BUILD_FOR_RAM) | ||
| 87 | -/* If we want to start u-boot from inside RAM */ | ||
| 88 | -#define CONFIG_SKIP_LOWLEVEL_INIT 1 | ||
| 89 | -#else | ||
| 90 | -/* we want to start u-boot directly from within NAND flash */ | ||
| 91 | +/* we want to be able to start u-boot directly from within NAND flash */ | ||
| 92 | +#define CONFIG_LL_INIT_NAND_ONLY | ||
| 93 | #define CONFIG_S3C2410_NAND_BOOT 1 | ||
| 94 | #define CONFIG_S3C2410_NAND_SKIP_BAD 1 | ||
| 95 | -#endif | ||
| 96 | |||
| 97 | #define CFG_UBOOT_SIZE 0x40000 /* size of u-boot, for NAND loading */ | ||
| 98 | |||
