diff options
| -rw-r--r-- | cmd/nvedit.c | 2 | ||||
| -rw-r--r-- | env/eeprom.c | 10 | ||||
| -rw-r--r-- | env/flash.c | 18 | ||||
| -rw-r--r-- | env/sf.c | 6 | ||||
| -rw-r--r-- | include/env.h | 6 | ||||
| -rw-r--r-- | include/environment.h | 5 | ||||
| -rw-r--r-- | tools/env/fw_env.c | 23 |
7 files changed, 39 insertions, 31 deletions
diff --git a/cmd/nvedit.c b/cmd/nvedit.c index 39140c0733..995b6b37af 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -1002,7 +1002,7 @@ NXTARG: ; envp->crc = crc32(0, envp->data, size ? size - offsetof(env_t, data) : ENV_SIZE); #ifdef CONFIG_ENV_ADDR_REDUND - envp->flags = ACTIVE_FLAG; + envp->flags = ENV_REDUND_ACTIVE; #endif } env_set_hex("filesize", len + offsetof(env_t, data)); diff --git a/env/eeprom.c b/env/eeprom.c index 8d82cf892c..91ee3f35eb 100644 --- a/env/eeprom.c +++ b/env/eeprom.c @@ -132,9 +132,11 @@ static int env_eeprom_load(void) gd->env_valid = ENV_REDUND; } else { /* both ok - check serial */ - if (flags[0] == ACTIVE_FLAG && flags[1] == OBSOLETE_FLAG) + if (flags[0] == ENV_REDUND_ACTIVE && + flags[1] == ENV_REDUND_OBSOLETE) gd->env_valid = ENV_VALID; - else if (flags[0] == OBSOLETE_FLAG && flags[1] == ACTIVE_FLAG) + else if (flags[0] == ENV_REDUND_OBSOLETE && + flags[1] == ENV_REDUND_ACTIVE) gd->env_valid = ENV_REDUND; else if (flags[0] == 0xFF && flags[1] == 0) gd->env_valid = ENV_REDUND; @@ -194,7 +196,7 @@ static int env_eeprom_save(void) unsigned int off = CONFIG_ENV_OFFSET; #ifdef CONFIG_ENV_OFFSET_REDUND unsigned int off_red = CONFIG_ENV_OFFSET_REDUND; - char flag_obsolete = OBSOLETE_FLAG; + char flag_obsolete = ENV_REDUND_OBSOLETE; #endif rc = env_export(&env_new); @@ -207,7 +209,7 @@ static int env_eeprom_save(void) off_red = CONFIG_ENV_OFFSET; } - env_new.flags = ACTIVE_FLAG; + env_new.flags = ENV_REDUND_ACTIVE; #endif rc = eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR, diff --git a/env/flash.c b/env/flash.c index 7a73466cf2..bdba09e306 100644 --- a/env/flash.c +++ b/env/flash.c @@ -95,10 +95,12 @@ static int env_flash_init(void) } else if (!crc1_ok && !crc2_ok) { gd->env_addr = addr_default; gd->env_valid = ENV_INVALID; - } else if (flag1 == ACTIVE_FLAG && flag2 == OBSOLETE_FLAG) { + } else if (flag1 == ENV_REDUND_ACTIVE && + flag2 == ENV_REDUND_OBSOLETE) { gd->env_addr = addr1; gd->env_valid = ENV_VALID; - } else if (flag1 == OBSOLETE_FLAG && flag2 == ACTIVE_FLAG) { + } else if (flag1 == ENV_REDUND_OBSOLETE && + flag2 == ENV_REDUND_ACTIVE) { gd->env_addr = addr2; gd->env_valid = ENV_VALID; } else if (flag1 == flag2) { @@ -121,7 +123,7 @@ static int env_flash_save(void) { env_t env_new; char *saved_data = NULL; - char flag = OBSOLETE_FLAG, new_flag = ACTIVE_FLAG; + char flag = ENV_REDUND_OBSOLETE, new_flag = ENV_REDUND_ACTIVE; int rc = 1; #if CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE ulong up_data = 0; @@ -322,9 +324,9 @@ static int env_flash_load(void) end_addr_new = ltmp; } - if (flash_addr_new->flags != OBSOLETE_FLAG && + if (flash_addr_new->flags != ENV_REDUND_OBSOLETE && crc32(0, flash_addr_new->data, ENV_SIZE) == flash_addr_new->crc) { - char flag = OBSOLETE_FLAG; + char flag = ENV_REDUND_OBSOLETE; gd->env_valid = ENV_REDUND; flash_sect_protect(0, (ulong)flash_addr_new, end_addr_new); @@ -334,9 +336,9 @@ static int env_flash_load(void) flash_sect_protect(1, (ulong)flash_addr_new, end_addr_new); } - if (flash_addr->flags != ACTIVE_FLAG && - (flash_addr->flags & ACTIVE_FLAG) == ACTIVE_FLAG) { - char flag = ACTIVE_FLAG; + if (flash_addr->flags != ENV_REDUND_ACTIVE && + (flash_addr->flags & ENV_REDUND_ACTIVE) == ENV_REDUND_ACTIVE) { + char flag = ENV_REDUND_ACTIVE; gd->env_valid = ENV_REDUND; flash_sect_protect(0, (ulong)flash_addr, end_addr); @@ -30,8 +30,6 @@ static ulong env_offset = CONFIG_ENV_OFFSET; static ulong env_new_offset = CONFIG_ENV_OFFSET_REDUND; #endif -#define ACTIVE_FLAG 1 -#define OBSOLETE_FLAG 0 #endif /* CONFIG_ENV_OFFSET_REDUND */ DECLARE_GLOBAL_DATA_PTR; @@ -74,7 +72,7 @@ static int setup_flash_device(void) static int env_sf_save(void) { env_t env_new; - char *saved_buffer = NULL, flag = OBSOLETE_FLAG; + char *saved_buffer = NULL, flag = ENV_REDUND_OBSOLETE; u32 saved_size, saved_offset, sector; int ret; @@ -85,7 +83,7 @@ static int env_sf_save(void) ret = env_export(&env_new); if (ret) return -EIO; - env_new.flags = ACTIVE_FLAG; + env_new.flags = ENV_REDUND_ACTIVE; if (gd->env_valid == ENV_VALID) { env_new_offset = CONFIG_ENV_OFFSET_REDUND; diff --git a/include/env.h b/include/env.h index 271cb3e888..a74a261337 100644 --- a/include/env.h +++ b/include/env.h @@ -55,6 +55,12 @@ struct env_clbk_tbl { {#name, callback} #endif +/** enum env_redund_flags - Flags for the redundand_environment */ +enum env_redund_flags { + ENV_REDUND_OBSOLETE = 0, + ENV_REDUND_ACTIVE = 1, +}; + /** * env_get_id() - Gets a sequence number for the environment * diff --git a/include/environment.h b/include/environment.h index c3e8d7840a..70ee0fdb19 100644 --- a/include/environment.h +++ b/include/environment.h @@ -135,9 +135,6 @@ extern unsigned long nand_env_oob_offset; #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT # define ENV_HEADER_SIZE (sizeof(uint32_t) + 1) - -# define ACTIVE_FLAG 1 -# define OBSOLETE_FLAG 0 #else # define ENV_HEADER_SIZE (sizeof(uint32_t)) #endif @@ -147,7 +144,7 @@ extern unsigned long nand_env_oob_offset; typedef struct environment_s { uint32_t crc; /* CRC32 over data bytes */ #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT - unsigned char flags; /* active/obsolete flags */ + unsigned char flags; /* active/obsolete flags ENVF_REDUND_ */ #endif unsigned char data[ENV_SIZE]; /* Environment data */ } env_t; diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index f06252d916..95c99847a3 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -119,9 +119,12 @@ static struct environment environment = { static int have_redund_env; -static unsigned char active_flag = 1; -/* obsolete_flag must be 0 to efficiently set it on NOR flash without erasing */ -static unsigned char obsolete_flag = 0; +static unsigned char ENV_REDUND_ACTIVE = 1; +/* + * ENV_REDUND_OBSOLETE must be 0 to efficiently set it on NOR flash without + * erasing + */ +static unsigned char ENV_REDUND_OBSOLETE; #define DEFAULT_ENV_INSTANCE_STATIC #include <env_default.h> @@ -1142,7 +1145,7 @@ static int flash_flag_obsolete(int dev, int fd, off_t offset) erase.start = DEVOFFSET(dev); erase.length = DEVESIZE(dev); - /* This relies on the fact, that obsolete_flag == 0 */ + /* This relies on the fact, that ENV_REDUND_OBSOLETE == 0 */ rc = lseek(fd, offset, SEEK_SET); if (rc < 0) { fprintf(stderr, "Cannot seek to set the flag on %s\n", @@ -1150,7 +1153,7 @@ static int flash_flag_obsolete(int dev, int fd, off_t offset) return rc; } ioctl(fd, MEMUNLOCK, &erase); - rc = write(fd, &obsolete_flag, sizeof(obsolete_flag)); + rc = write(fd, &ENV_REDUND_OBSOLETE, sizeof(ENV_REDUND_OBSOLETE)); ioctl(fd, MEMLOCK, &erase); if (rc < 0) perror("Could not set obsolete flag"); @@ -1169,7 +1172,7 @@ static int flash_write(int fd_current, int fd_target, int dev_target) (*environment.flags)++; break; case FLAG_BOOLEAN: - *environment.flags = active_flag; + *environment.flags = ENV_REDUND_ACTIVE; break; default: fprintf(stderr, "Unimplemented flash scheme %u\n", @@ -1508,11 +1511,11 @@ int fw_env_open(struct env_opts *opts) } else { switch (environment.flag_scheme) { case FLAG_BOOLEAN: - if (flag0 == active_flag && - flag1 == obsolete_flag) { + if (flag0 == ENV_REDUND_ACTIVE && + flag1 == ENV_REDUND_OBSOLETE) { dev_current = 0; - } else if (flag0 == obsolete_flag && - flag1 == active_flag) { + } else if (flag0 == ENV_REDUND_OBSOLETE && + flag1 == ENV_REDUND_ACTIVE) { dev_current = 1; } else if (flag0 == flag1) { dev_current = 0; |