diff options
Diffstat (limited to 'packages/uboot/u-boot-mkimage-openmoko-native/env_nand_oob.patch')
| -rw-r--r-- | packages/uboot/u-boot-mkimage-openmoko-native/env_nand_oob.patch | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/packages/uboot/u-boot-mkimage-openmoko-native/env_nand_oob.patch b/packages/uboot/u-boot-mkimage-openmoko-native/env_nand_oob.patch deleted file mode 100644 index 5a2dd61461..0000000000 --- a/packages/uboot/u-boot-mkimage-openmoko-native/env_nand_oob.patch +++ /dev/null @@ -1,198 +0,0 @@ -This patch adds support for CFG_ENV_OFFSET_PATCHED and -CFG_ENV_OFFSET_OOB. - -Both try to solve the problem of fixing the environment location in NAND flash -at compile time, which doesn't work well if the NAND flash has a bad block at -exactly that location. - -CFG_ENV_OFFSET_PATCHED puts the environment in a global variable. You can then -use the linker script to put that variable to a fixed location in the u-boot -image. Then you can use bianry patching during the production flash process. - -The idea of CFG_ENV_OFFSET_OOB is to store the environment offset in the NAND -OOB data of block 0. We can do this in case the vendor makes a guarantee that -block 0 never is a factory-default bad block. - -Signed-off-by: Harald Welte <laforge@openmoko.org> - -Index: u-boot/common/env_nand.c -=================================================================== ---- u-boot.orig/common/env_nand.c -+++ u-boot/common/env_nand.c -@@ -271,6 +271,33 @@ - ulong total; - int ret; - -+#if defined(CFG_ENV_OFFSET_OOB) -+ struct mtd_info *mtd = &nand_info[0]; -+ struct nand_chip *this = mtd->priv; -+ int buf_len; -+ uint8_t *buf; -+ -+ buf_len = (1 << this->bbt_erase_shift); -+ buf_len += (buf_len >> this->page_shift) * mtd->oobsize; -+ buf = malloc(buf_len); -+ if (!buf) -+ return; -+ -+ nand_read_raw(mtd, buf, 0, mtd->oobblock, mtd->oobsize); -+ if (buf[mtd->oobblock + 8 + 0] == 'E' && -+ buf[mtd->oobblock + 8 + 1] == 'N' && -+ buf[mtd->oobblock + 8 + 2] == 'V' && -+ buf[mtd->oobblock + 8 + 3] == '0') { -+ CFG_ENV_OFFSET = *((unsigned long *) &buf[mtd->oobblock + 8 + 4]); -+ /* fall through to the normal environment reading code below */ -+ free(buf); -+ puts("Found Environment offset in OOB..\n"); -+ } else { -+ free(buf); -+ return use_default(); -+ } -+#endif -+ - total = CFG_ENV_SIZE; - ret = nand_read(&nand_info[0], CFG_ENV_OFFSET, &total, (u_char*)env_ptr); - if (ret || total != CFG_ENV_SIZE) -Index: u-boot/common/environment.c -=================================================================== ---- u-boot.orig/common/environment.c -+++ u-boot/common/environment.c -@@ -29,6 +29,12 @@ - #undef __ASSEMBLY__ - #include <environment.h> - -+#if defined(CFG_ENV_OFFSET_PATCHED) -+unsigned long env_offset = CFG_ENV_OFFSET_PATCHED; -+#elif defined(CFG_ENV_OFFSET_OOB) -+unsigned long env_offset = CFG_ENV_OFFSET_OOB; -+#endif -+ - /* - * Handle HOSTS that have prepended - * crap on symbol names, not TARGETS. -Index: u-boot/include/environment.h -=================================================================== ---- u-boot.orig/include/environment.h -+++ u-boot/include/environment.h -@@ -70,6 +70,10 @@ - #endif /* CFG_ENV_IS_IN_FLASH */ - - #if defined(CFG_ENV_IS_IN_NAND) -+#if defined(CFG_ENV_OFFSET_PATCHED) || defined(CFG_ENV_OFFSET_OOB) -+extern unsigned long env_offset; -+#define CFG_ENV_OFFSET env_offset -+#else - # ifndef CFG_ENV_OFFSET - # error "Need to define CFG_ENV_OFFSET when using CFG_ENV_IS_IN_NAND" - # endif -@@ -82,6 +86,7 @@ - # ifdef CFG_ENV_IS_EMBEDDED - # define ENV_IS_EMBEDDED 1 - # endif -+#endif /* CFG_ENV_NAND_PATCHED */ - #endif /* CFG_ENV_IS_IN_NAND */ - - -Index: u-boot/common/Makefile -=================================================================== ---- u-boot.orig/common/Makefile -+++ u-boot/common/Makefile -@@ -31,7 +31,7 @@ - cmd_bdinfo.o cmd_bedbug.o cmd_bmp.o cmd_boot.o cmd_bootm.o \ - cmd_cache.o cmd_console.o \ - cmd_date.o cmd_dcr.o cmd_diag.o cmd_display.o cmd_doc.o cmd_dtt.o \ -- cmd_eeprom.o cmd_elf.o cmd_ext2.o \ -+ cmd_dynenv.o cmd_eeprom.o cmd_elf.o cmd_ext2.o \ - cmd_fat.o cmd_fdc.o cmd_fdt.o cmd_fdos.o cmd_flash.o cmd_fpga.o \ - cmd_i2c.o cmd_ide.o cmd_immap.o cmd_itest.o cmd_jffs2.o \ - cmd_load.o cmd_log.o \ -Index: u-boot/common/cmd_dynenv.c -=================================================================== ---- /dev/null -+++ u-boot/common/cmd_dynenv.c -@@ -0,0 +1,85 @@ -+/* -+ * (C) Copyright 2006-2007 OpenMoko, Inc. -+ * Author: Harald Welte <laforge@openmoko.org> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License as -+ * published by the Free Software Foundation; either version 2 of -+ * the License, or (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, -+ * MA 02111-1307 USA -+ */ -+ -+#include <common.h> -+#include <command.h> -+#include <malloc.h> -+#include <environment.h> -+#include <nand.h> -+#include <asm/errno.h> -+ -+#if defined(CFG_ENV_OFFSET_OOB) -+ -+int do_dynenv(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -+{ -+ struct mtd_info *mtd = &nand_info[0]; -+ int ret, size = 8; -+ uint8_t *buf; -+ -+ char *cmd = argv[1]; -+ -+ buf = malloc(mtd->oobsize); -+ if (!buf) -+ return -ENOMEM; -+ -+ if (!strcmp(cmd, "get")) { -+ ret = mtd->read_oob(mtd, 8, size, (size_t *) &size, (u_char *) buf); -+ -+ if (buf[0] == 'E' && buf[1] == 'N' && -+ buf[2] == 'V' && buf[3] == '0') -+ printf("0x%08x\n", *((u_int32_t *) &buf[4])); -+ else -+ printf("No dynamic environment marker in OOB block 0\n"); -+ -+ } else if (!strcmp(cmd, "set")) { -+ unsigned long addr; -+ if (argc < 3) -+ goto usage; -+ -+ buf[0] = 'E'; -+ buf[1] = 'N'; -+ buf[2] = 'V'; -+ buf[3] = '0'; -+ addr = simple_strtoul(argv[2], NULL, 16); -+ memcpy(buf+4, &addr, 4); -+ -+ printf("%02x %02x %02x %02x - %02x %02x %02x %02x\n", -+ buf[0], buf[1], buf[2], buf[3], -+ buf[4], buf[5], buf[6], buf[7]); -+ -+ ret = mtd->write_oob(mtd, 8, size, (size_t *) &size, (u_char *) buf); -+ } else -+ goto usage; -+ -+ free(buf); -+ return ret; -+ -+usage: -+ free(buf); -+ printf("Usage:\n%s\n", cmdtp->usage); -+ return 1; -+} -+ -+U_BOOT_CMD(dynenv, 3, 1, do_dynenv, -+ "dynenv - dynamically placed (NAND) environment\n", -+ "dynenv set off - set enviromnent offset\n" -+ "dynenv get - get environment offset\n"); -+ -+#endif /* CFG_ENV_OFFSET_OOB */ |