X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fenv_nvram.c;h=544ce4711ea210517ca7288b19f361ce39f306ce;hb=7fb3e7a2d64b902e423c9e5a3aedc1f4179ac27d;hp=562edd0499c01db799c9851b59d355af7910aa37;hpb=156feb90d200f186cdfd856d7f6f1878bb1bec1e;p=u-boot diff --git a/common/env_nvram.c b/common/env_nvram.c index 562edd0499..544ce4711e 100644 --- a/common/env_nvram.c +++ b/common/env_nvram.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2002 + * (C) Copyright 2000-2010 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH @@ -44,6 +44,8 @@ #include #include #include +#include +#include DECLARE_GLOBAL_DATA_PTR; @@ -58,27 +60,8 @@ env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; char * env_name_spec = "NVRAM"; extern uchar default_environment[]; -extern int default_environment_size; -#ifdef CONFIG_AMIGAONEG3SE -uchar env_get_char_spec (int index) -{ -#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE - uchar c; - - nvram_read(&c, CONFIG_ENV_ADDR+index, 1); - - return c; -#else - uchar retval; - enable_nvram(); - retval = *((uchar *)(gd->env_addr + index)); - disable_nvram(); - return retval; -#endif -} -#else -uchar env_get_char_spec (int index) +uchar env_get_char_spec(int index) { #ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE uchar c; @@ -90,52 +73,57 @@ uchar env_get_char_spec (int index) return *((uchar *)(gd->env_addr + index)); #endif } -#endif -void env_relocate_spec (void) +void env_relocate_spec(void) { + char buf[CONFIG_ENV_SIZE]; + #if defined(CONFIG_SYS_NVRAM_ACCESS_ROUTINE) - nvram_read(env_ptr, CONFIG_ENV_ADDR, CONFIG_ENV_SIZE); + nvram_read(buf, CONFIG_ENV_ADDR, CONFIG_ENV_SIZE); #else - memcpy (env_ptr, (void*)CONFIG_ENV_ADDR, CONFIG_ENV_SIZE); + memcpy(buf, (void*)CONFIG_ENV_ADDR, CONFIG_ENV_SIZE); #endif + env_import(buf, 1); } -int saveenv (void) +int saveenv(void) { - int rcode = 0; -#ifdef CONFIG_AMIGAONEG3SE - enable_nvram(); -#endif + env_t env_new; + ssize_t len; + char *res; + int rcode = 0; + + res = (char *)&env_new.data; + len = hexport_r(&env_htab, '\0', &res, ENV_SIZE); + if (len < 0) { + error("Cannot export environment: errno = %d\n", errno); + return 1; + } + env_new.crc = crc32(0, env_new.data, ENV_SIZE); + #ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE - nvram_write(CONFIG_ENV_ADDR, env_ptr, CONFIG_ENV_SIZE); + nvram_write(CONFIG_ENV_ADDR, &env_new, CONFIG_ENV_SIZE); #else - if (memcpy ((char *)CONFIG_ENV_ADDR, env_ptr, CONFIG_ENV_SIZE) == NULL) - rcode = 1 ; -#endif -#ifdef CONFIG_AMIGAONEG3SE - udelay(10000); - disable_nvram(); + if (memcpy((char *)CONFIG_ENV_ADDR, &env_new, CONFIG_ENV_SIZE) == NULL) + rcode = 1; #endif return rcode; } -/************************************************************************ +/* * Initialize Environment use * * We are still running from ROM, so data use is limited */ -int env_init (void) +int env_init(void) { -#ifdef CONFIG_AMIGAONEG3SE - enable_nvram(); -#endif #if defined(CONFIG_SYS_NVRAM_ACCESS_ROUTINE) ulong crc; uchar data[ENV_SIZE]; - nvram_read (&crc, CONFIG_ENV_ADDR, sizeof(ulong)); - nvram_read (data, CONFIG_ENV_ADDR+sizeof(ulong), ENV_SIZE); + + nvram_read(&crc, CONFIG_ENV_ADDR, sizeof(ulong)); + nvram_read(data, CONFIG_ENV_ADDR+sizeof(ulong), ENV_SIZE); if (crc32(0, data, ENV_SIZE) == crc) { gd->env_addr = (ulong)CONFIG_ENV_ADDR + sizeof(long); @@ -148,8 +136,5 @@ int env_init (void) gd->env_addr = (ulong)&default_environment[0]; gd->env_valid = 0; } -#ifdef CONFIG_AMIGAONEG3SE - disable_nvram(); -#endif return (0); }