diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/cmd_nvedit.c | 5 | ||||
| -rw-r--r-- | common/cmd_sata.c | 4 | ||||
| -rw-r--r-- | common/env_sata.c | 171 |
4 files changed, 177 insertions, 4 deletions
diff --git a/common/Makefile b/common/Makefile index ac7edba..436ca39 100644 --- a/common/Makefile +++ b/common/Makefile @@ -52,6 +52,7 @@ obj-$(CONFIG_ENV_IS_IN_FAT) += env_fat.o obj-$(CONFIG_ENV_IS_IN_NAND) += env_nand.o obj-$(CONFIG_ENV_IS_IN_NVRAM) += env_nvram.o obj-$(CONFIG_ENV_IS_IN_ONENAND) += env_onenand.o +obj-$(CONFIG_ENV_IS_IN_SATA) += env_sata.o obj-$(CONFIG_ENV_IS_IN_SPI_FLASH) += env_sf.o obj-$(CONFIG_ENV_IS_IN_REMOTE) += env_remote.o obj-$(CONFIG_ENV_IS_IN_UBI) += env_ubi.o diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 855808c..24cc916 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -5,7 +5,7 @@ * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Andreas Heppel <aheppel@sysgo.de> * - * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011-2014 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -49,9 +49,10 @@ DECLARE_GLOBAL_DATA_PTR; !defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \ !defined(CONFIG_ENV_IS_IN_REMOTE) && \ !defined(CONFIG_ENV_IS_IN_UBI) && \ + !defined(CONFIG_ENV_IS_IN_SATA) && \ !defined(CONFIG_ENV_IS_NOWHERE) # error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|DATAFLASH|ONENAND|\ -SPI_FLASH|NVRAM|MMC|FAT|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE +SPI_FLASH|NVRAM|MMC|FAT|REMOTE|UBI|SATA} or CONFIG_ENV_IS_NOWHERE #endif /* diff --git a/common/cmd_sata.c b/common/cmd_sata.c index 51f6703..0f79351 100644 --- a/common/cmd_sata.c +++ b/common/cmd_sata.c @@ -4,7 +4,7 @@ * Copyright (C) Procsys. All rights reserved. * Mushtaq Khan <mushtaq_k@procsys.com> * <mushtaqk_921@yahoo.co.in> - * Copyright (C) 2008 Freescale Semiconductor, Inc. + * Copyright (C) 2008-2014 Freescale Semiconductor, Inc. * Dave Liu <daveliu@freescale.com> * * SPDX-License-Identifier: GPL-2.0+ @@ -15,7 +15,7 @@ #include <part.h> #include <sata.h> -static int sata_curr_device = -1; +int sata_curr_device = -1; block_dev_desc_t sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE]; int __sata_initialize(void) diff --git a/common/env_sata.c b/common/env_sata.c new file mode 100644 index 0000000..7dbfd89 --- /dev/null +++ b/common/env_sata.c @@ -0,0 +1,171 @@ +/* + * (C) Copyright 2010-2014 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 <errno.h> +#include <sata.h> + +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) +{ + block_dev_desc_t *sata = NULL; + env_t env_new; + ssize_t len; + char *res; + + 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); + + res = (char *)&env_new.data; + len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL); + if (len < 0) { + error("Cannot export environment: errno = %d\n", errno); + return 1; + } + env_new.crc = crc32(0, env_new.data, ENV_SIZE); + + printf("Writing to SATA(%d)...", sata_curr_device); + if (write_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, &env_new)) { + 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) + block_dev_desc_t *sata = NULL; + char buf[CONFIG_ENV_SIZE]; + int ret; + + if (sata_curr_device == -1) { + if (sata_initialize()) + return; + 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; + } + sata = sata_get_dev(sata_curr_device); + + if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf)) + return use_default(); + + ret = env_import(buf, 1); + if (ret) + 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(NULL); +} +#endif |