diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 2 | ||||
| -rw-r--r-- | common/cmd_nvedit.c | 3 | ||||
| -rwxr-xr-x | common/env_sata.c | 162 |
3 files changed, 166 insertions, 1 deletions
diff --git a/common/Makefile b/common/Makefile index 451ccb0..b7953e6 100644 --- a/common/Makefile +++ b/common/Makefile @@ -58,11 +58,13 @@ COBJS-$(CONFIG_ENV_IS_IN_NVRAM) += env_embedded.o COBJS-$(CONFIG_ENV_IS_IN_MMC) += env_embedded.o COBJS-$(CONFIG_ENV_IS_IN_NAND) += env_embedded.o COBJS-$(CONFIG_ENV_IS_IN_SPI_FLASH) += env_embedded.o +COBJS-$(CONFIG_ENV_IS_IN_SATA) += env_embedded.o COBJS-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o COBJS-$(CONFIG_ENV_IS_IN_MG_DISK) += env_mgdisk.o COBJS-$(CONFIG_ENV_IS_IN_NAND) += env_nand.o COBJS-$(CONFIG_ENV_IS_IN_NVRAM) += env_nvram.o COBJS-$(CONFIG_ENV_IS_IN_ONENAND) += env_onenand.o +COBJS-$(CONFIG_ENV_IS_IN_SATA) += env_sata.o COBJS-$(CONFIG_ENV_IS_IN_SPI_FLASH) += env_sf.o COBJS-$(CONFIG_ENV_IS_IN_MMC) += env_mmc.o COBJS-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index e0ccd56..f5cef1b 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -61,8 +61,9 @@ DECLARE_GLOBAL_DATA_PTR; !defined(CONFIG_ENV_IS_IN_ONENAND) && \ !defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \ !defined(CONFIG_ENV_IS_IN_MMC) && \ + !defined(CONFIG_ENV_IS_IN_SATA) && \ !defined(CONFIG_ENV_IS_NOWHERE) -# error Define one of CONFIG_ENV_IS_IN_{NVRAM|EEPROM|FLASH|DATAFLASH|ONENAND|SPI_FLASH|MMC|MG_DISK|NOWHERE} +# error Define one of CONFIG_ENV_IS_IN_{NVRAM|EEPROM|FLASH|DATAFLASH|ONENAND|SPI_FLASH|SATA|MMC|MG_DISK|NOWHERE} #endif #define XMK_STR(x) #x diff --git a/common/env_sata.c b/common/env_sata.c new file mode 100755 index 0000000..522a335 --- /dev/null +++ b/common/env_sata.c @@ -0,0 +1,162 @@ +/* + * (C) Copyright 2010-2011 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +/* #define DEBUG */ + +#include <common.h> + +#include <command.h> +#include <environment.h> +#include <linux/stddef.h> +#include <sata.h> + +/* references to names in env_common.c */ +extern uchar default_environment[]; + +char *env_name_spec = "SATA"; + +#ifdef ENV_IS_EMBEDDED +extern uchar environment[]; +env_t *env_ptr = (env_t *)(&environment[0]); +#else /* ! ENV_IS_EMBEDDED */ +env_t *env_ptr; +#endif /* ENV_IS_EMBEDDED */ + +extern int sata_curr_device; + +/* local functions */ +#if !defined(ENV_IS_EMBEDDED) +static void use_default(void); +#endif + +DECLARE_GLOBAL_DATA_PTR; + +uchar env_get_char_spec(int index) +{ + return *((uchar *)(gd->env_addr + index)); +} + +int env_init(void) +{ + /* use default */ + gd->env_addr = (ulong)&default_environment[0]; + gd->env_valid = 1; + + return 0; +} + +#ifdef CONFIG_CMD_SAVEENV + +inline int write_env(block_dev_desc_t *sata, unsigned long size, + unsigned long offset, const void *buffer) +{ + uint blk_start, blk_cnt, n; + + blk_start = ALIGN(offset, sata->blksz) / sata->blksz; + blk_cnt = ALIGN(size, sata->blksz) / sata->blksz; + + n = sata->block_write(sata_curr_device, blk_start, + blk_cnt, (u_char *)buffer); + + return (n == blk_cnt) ? 0 : -1; +} + +int saveenv(void) +{ + struct block_dev_desc_t *sata = NULL; + + if (sata_curr_device == -1) { + if (sata_initialize()) + return 1; + sata_curr_device = CONFIG_SATA_ENV_DEV; + } + + if (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE) { + printf("Unknown SATA(%d) device for environment!\n", + sata_curr_device); + return 1; + } + + sata = sata_get_dev(sata_curr_device); + + printf("Writing to SATA(%d)... ", sata_curr_device); + if (write_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr)) { + puts("failed\n"); + return 1; + } + + puts("done\n"); + return 0; +} +#endif /* CONFIG_CMD_SAVEENV */ + +inline int read_env(block_dev_desc_t *sata, unsigned long size, + unsigned long offset, const void *buffer) +{ + uint blk_start, blk_cnt, n; + + blk_start = ALIGN(offset, sata->blksz) / sata->blksz; + blk_cnt = ALIGN(size, sata->blksz) / sata->blksz; + + n = sata->block_read(sata_curr_device, blk_start, + blk_cnt, (uchar *)buffer); + + return (n == blk_cnt) ? 0 : -1; +} + +void env_relocate_spec(void) +{ +#if !defined(ENV_IS_EMBEDDED) + struct block_dev_desc_t *sata = NULL; + int i = 0; + + if (sata_curr_device == -1) { + if (sata_initialize()) + return 1; + sata_curr_device = CONFIG_SATA_ENV_DEV; + } + + if (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE) { + printf("Unknown SATA(%d) device for environment!\n", + sata_curr_device); + return 1; + } + sata = sata_get_dev(sata_curr_device); + + if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr)) + return use_default(); + + if (crc32(0, env_ptr->data, ENV_SIZE) != env_ptr->crc) + return use_default(); + + gd->env_valid = 1; +#endif +} + +#if !defined(ENV_IS_EMBEDDED) +static void use_default() +{ + puts("*** Warning - bad CRC or MMC, using default environment\n\n"); + set_default_env(); +} +#endif + |