diff options
Diffstat (limited to 'qemu/roms/u-boot/common/env_sf.c')
| -rw-r--r-- | qemu/roms/u-boot/common/env_sf.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/qemu/roms/u-boot/common/env_sf.c b/qemu/roms/u-boot/common/env_sf.c deleted file mode 100644 index 37ab13ae1..000000000 --- a/qemu/roms/u-boot/common/env_sf.c +++ /dev/null @@ -1,330 +0,0 @@ -/* - * (C) Copyright 2000-2010 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Andreas Heppel <aheppel@sysgo.de> - * - * (C) Copyright 2008 Atmel Corporation - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <environment.h> -#include <malloc.h> -#include <spi_flash.h> -#include <search.h> -#include <errno.h> - -#ifndef CONFIG_ENV_SPI_BUS -# define CONFIG_ENV_SPI_BUS 0 -#endif -#ifndef CONFIG_ENV_SPI_CS -# define CONFIG_ENV_SPI_CS 0 -#endif -#ifndef CONFIG_ENV_SPI_MAX_HZ -# define CONFIG_ENV_SPI_MAX_HZ 1000000 -#endif -#ifndef CONFIG_ENV_SPI_MODE -# define CONFIG_ENV_SPI_MODE SPI_MODE_3 -#endif - -#ifdef CONFIG_ENV_OFFSET_REDUND -static ulong env_offset = CONFIG_ENV_OFFSET; -static ulong env_new_offset = CONFIG_ENV_OFFSET_REDUND; - -#define ACTIVE_FLAG 1 -#define OBSOLETE_FLAG 0 -#endif /* CONFIG_ENV_OFFSET_REDUND */ - -DECLARE_GLOBAL_DATA_PTR; - -char *env_name_spec = "SPI Flash"; - -static struct spi_flash *env_flash; - -#if defined(CONFIG_ENV_OFFSET_REDUND) -int saveenv(void) -{ - env_t env_new; - char *saved_buffer = NULL, flag = OBSOLETE_FLAG; - u32 saved_size, saved_offset, sector = 1; - int ret; - - if (!env_flash) { - env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, - CONFIG_ENV_SPI_CS, - CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); - if (!env_flash) { - set_default_env("!spi_flash_probe() failed"); - return 1; - } - } - - ret = env_export(&env_new); - if (ret) - return ret; - env_new.flags = ACTIVE_FLAG; - - if (gd->env_valid == 1) { - env_new_offset = CONFIG_ENV_OFFSET_REDUND; - env_offset = CONFIG_ENV_OFFSET; - } else { - env_new_offset = CONFIG_ENV_OFFSET; - env_offset = CONFIG_ENV_OFFSET_REDUND; - } - - /* Is the sector larger than the env (i.e. embedded) */ - if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) { - saved_size = CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SIZE; - saved_offset = env_new_offset + CONFIG_ENV_SIZE; - saved_buffer = malloc(saved_size); - if (!saved_buffer) { - ret = 1; - goto done; - } - ret = spi_flash_read(env_flash, saved_offset, - saved_size, saved_buffer); - if (ret) - goto done; - } - - if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) { - sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE; - if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE) - sector++; - } - - puts("Erasing SPI flash..."); - ret = spi_flash_erase(env_flash, env_new_offset, - sector * CONFIG_ENV_SECT_SIZE); - if (ret) - goto done; - - puts("Writing to SPI flash..."); - - ret = spi_flash_write(env_flash, env_new_offset, - CONFIG_ENV_SIZE, &env_new); - if (ret) - goto done; - - if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) { - ret = spi_flash_write(env_flash, saved_offset, - saved_size, saved_buffer); - if (ret) - goto done; - } - - ret = spi_flash_write(env_flash, env_offset + offsetof(env_t, flags), - sizeof(env_new.flags), &flag); - if (ret) - goto done; - - puts("done\n"); - - gd->env_valid = gd->env_valid == 2 ? 1 : 2; - - printf("Valid environment: %d\n", (int)gd->env_valid); - - done: - if (saved_buffer) - free(saved_buffer); - - return ret; -} - -void env_relocate_spec(void) -{ - int ret; - int crc1_ok = 0, crc2_ok = 0; - env_t *tmp_env1 = NULL; - env_t *tmp_env2 = NULL; - env_t *ep = NULL; - - tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE); - tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE); - - if (!tmp_env1 || !tmp_env2) { - set_default_env("!malloc() failed"); - goto out; - } - - env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS, - CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); - if (!env_flash) { - set_default_env("!spi_flash_probe() failed"); - goto out; - } - - ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET, - CONFIG_ENV_SIZE, tmp_env1); - if (ret) { - set_default_env("!spi_flash_read() failed"); - goto err_read; - } - - if (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc) - crc1_ok = 1; - - ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET_REDUND, - CONFIG_ENV_SIZE, tmp_env2); - if (!ret) { - if (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc) - crc2_ok = 1; - } - - if (!crc1_ok && !crc2_ok) { - set_default_env("!bad CRC"); - goto err_read; - } else if (crc1_ok && !crc2_ok) { - gd->env_valid = 1; - } else if (!crc1_ok && crc2_ok) { - gd->env_valid = 2; - } else if (tmp_env1->flags == ACTIVE_FLAG && - tmp_env2->flags == OBSOLETE_FLAG) { - gd->env_valid = 1; - } else if (tmp_env1->flags == OBSOLETE_FLAG && - tmp_env2->flags == ACTIVE_FLAG) { - gd->env_valid = 2; - } else if (tmp_env1->flags == tmp_env2->flags) { - gd->env_valid = 2; - } else if (tmp_env1->flags == 0xFF) { - gd->env_valid = 2; - } else { - /* - * this differs from code in env_flash.c, but I think a sane - * default path is desirable. - */ - gd->env_valid = 2; - } - - if (gd->env_valid == 1) - ep = tmp_env1; - else - ep = tmp_env2; - - ret = env_import((char *)ep, 0); - if (!ret) { - error("Cannot import environment: errno = %d\n", errno); - set_default_env("env_import failed"); - } - -err_read: - spi_flash_free(env_flash); - env_flash = NULL; -out: - free(tmp_env1); - free(tmp_env2); -} -#else -int saveenv(void) -{ - u32 saved_size, saved_offset, sector = 1; - char *saved_buffer = NULL; - int ret = 1; - env_t env_new; - - if (!env_flash) { - env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, - CONFIG_ENV_SPI_CS, - CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); - if (!env_flash) { - set_default_env("!spi_flash_probe() failed"); - return 1; - } - } - - /* Is the sector larger than the env (i.e. embedded) */ - if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) { - saved_size = CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SIZE; - saved_offset = CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE; - saved_buffer = malloc(saved_size); - if (!saved_buffer) - goto done; - - ret = spi_flash_read(env_flash, saved_offset, - saved_size, saved_buffer); - if (ret) - goto done; - } - - if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) { - sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE; - if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE) - sector++; - } - - ret = env_export(&env_new); - if (ret) - goto done; - - puts("Erasing SPI flash..."); - ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET, - sector * CONFIG_ENV_SECT_SIZE); - if (ret) - goto done; - - puts("Writing to SPI flash..."); - ret = spi_flash_write(env_flash, CONFIG_ENV_OFFSET, - CONFIG_ENV_SIZE, &env_new); - if (ret) - goto done; - - if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) { - ret = spi_flash_write(env_flash, saved_offset, - saved_size, saved_buffer); - if (ret) - goto done; - } - - ret = 0; - puts("done\n"); - - done: - if (saved_buffer) - free(saved_buffer); - - return ret; -} - -void env_relocate_spec(void) -{ - int ret; - char *buf = NULL; - - buf = (char *)malloc(CONFIG_ENV_SIZE); - env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS, - CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); - if (!env_flash) { - set_default_env("!spi_flash_probe() failed"); - if (buf) - free(buf); - return; - } - - ret = spi_flash_read(env_flash, - CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf); - if (ret) { - set_default_env("!spi_flash_read() failed"); - goto out; - } - - ret = env_import(buf, 1); - if (ret) - gd->env_valid = 1; -out: - spi_flash_free(env_flash); - if (buf) - free(buf); - env_flash = NULL; -} -#endif - -int env_init(void) -{ - /* SPI flash isn't usable before relocation */ - gd->env_addr = (ulong)&default_environment[0]; - gd->env_valid = 1; - - return 0; -} |