diff options
| -rw-r--r-- | README | 18 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/srio.c | 17 | ||||
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/cmd_nvedit.c | 3 | ||||
| -rw-r--r-- | common/env_remote.c | 79 | ||||
| -rw-r--r-- | include/configs/corenet_ds.h | 13 |
6 files changed, 130 insertions, 1 deletions
@@ -3026,6 +3026,24 @@ to save the current settings. environment area within the total memory of your DataFlash placed at the specified address. +- CONFIG_ENV_IS_IN_REMOTE: + + Define this if you have a remote memory space which you + want to use for the local device's environment. + + - CONFIG_ENV_ADDR: + - CONFIG_ENV_SIZE: + + These two #defines specify the address and size of the + environment area within the remote memory space. The + local device can get the environment from remote memory + space by SRIO or other links. + +BE CAREFUL! For some special cases, the local device can not use +"saveenv" command. For example, the local device will get the +environment stored in a remote NOR flash by SRIO link, but it can +not erase, write this NOR flash by SRIO interface. + - CONFIG_ENV_IS_IN_NAND: Define this if you have a NAND device which you want to use diff --git a/arch/powerpc/cpu/mpc8xxx/srio.c b/arch/powerpc/cpu/mpc8xxx/srio.c index e593f22b10..5694561eba 100644 --- a/arch/powerpc/cpu/mpc8xxx/srio.c +++ b/arch/powerpc/cpu/mpc8xxx/srio.c @@ -150,5 +150,22 @@ void srio_boot_master(void) .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[2].riwar, SRIO_IB_ATMU_AR | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_UCODE_SIZE)); + + /* configure inbound window for slave's ENV */ + debug("SRIOBOOT - MASTER: Inbound window for slave's ENV; " + "Local = 0x%llx, Siro = 0x%llx, Size = 0x%x\n", + CONFIG_SRIOBOOT_SLAVE_ENV_LAW_PHYS, + CONFIG_SRIOBOOT_SLAVE_ENV_SRIO_PHYS, + CONFIG_SRIOBOOT_SLAVE_ENV_SIZE); + out_be32((void *)&srio->atmu + .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwtar, + CONFIG_SRIOBOOT_SLAVE_ENV_LAW_PHYS >> 12); + out_be32((void *)&srio->atmu + .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwbar, + CONFIG_SRIOBOOT_SLAVE_ENV_SRIO_PHYS >> 12); + out_be32((void *)&srio->atmu + .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwar, + SRIO_IB_ATMU_AR + | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_ENV_SIZE)); } #endif diff --git a/common/Makefile b/common/Makefile index d9f10f3f6e..6e23baaf61 100644 --- a/common/Makefile +++ b/common/Makefile @@ -59,6 +59,7 @@ 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_SPI_FLASH) += env_sf.o +COBJS-$(CONFIG_ENV_IS_IN_REMOTE) += env_remote.o COBJS-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o # command diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index b1494dcb0c..e1ccdd8f7e 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -66,9 +66,10 @@ DECLARE_GLOBAL_DATA_PTR; !defined(CONFIG_ENV_IS_IN_NVRAM) && \ !defined(CONFIG_ENV_IS_IN_ONENAND) && \ !defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \ + !defined(CONFIG_ENV_IS_IN_REMOTE) && \ !defined(CONFIG_ENV_IS_NOWHERE) # error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|DATAFLASH|ONENAND|\ -SPI_FLASH|MG_DISK|NVRAM|MMC|FAT} or CONFIG_ENV_IS_NOWHERE +SPI_FLASH|MG_DISK|NVRAM|MMC|FAT|REMOTE} or CONFIG_ENV_IS_NOWHERE #endif #define XMK_STR(x) #x diff --git a/common/env_remote.c b/common/env_remote.c new file mode 100644 index 0000000000..3bf0f957b3 --- /dev/null +++ b/common/env_remote.c @@ -0,0 +1,79 @@ +/* + * (C) Copyright 2011-2012 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> + +char *env_name_spec = "Remote"; + +#ifdef ENV_IS_EMBEDDED +env_t *env_ptr = &environment; +#else /* ! ENV_IS_EMBEDDED */ +env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR; +#endif /* ENV_IS_EMBEDDED */ + +DECLARE_GLOBAL_DATA_PTR; + +#if !defined(CONFIG_ENV_OFFSET) +#define CONFIG_ENV_OFFSET 0 +#endif + +uchar env_get_char_spec(int index) +{ + return *((uchar *)(gd->env_addr + index)); +} + +int env_init(void) +{ + if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) { + gd->env_addr = (ulong)&(env_ptr->data); + gd->env_valid = 1; + return 0; + } + + gd->env_addr = (ulong)default_environment; + gd->env_valid = 0; + return 0; +} + +#ifdef CONFIG_CMD_SAVEENV +int saveenv(void) +{ +#ifdef CONFIG_SRIOBOOT_SLAVE + printf("Can not support the 'saveenv' when boot from SRIO!\n"); + return 1; +#else + return 0; +#endif +} +#endif /* CONFIG_CMD_SAVEENV */ + +void env_relocate_spec(void) +{ +#ifndef ENV_IS_EMBEDDED + env_import((char *)env_ptr, 1); +#endif +} diff --git a/include/configs/corenet_ds.h b/include/configs/corenet_ds.h index 093c2c04b1..aa8b384d66 100644 --- a/include/configs/corenet_ds.h +++ b/include/configs/corenet_ds.h @@ -77,7 +77,9 @@ #define CONFIG_ENV_OVERWRITE #ifdef CONFIG_SYS_NO_FLASH +#ifndef CONFIG_SRIOBOOT_SLAVE #define CONFIG_ENV_IS_NOWHERE +#endif #else #define CONFIG_FLASH_CFI_DRIVER #define CONFIG_SYS_FLASH_CFI @@ -106,6 +108,10 @@ #define CONFIG_ENV_IS_IN_NAND #define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE #define CONFIG_ENV_OFFSET (5 * CONFIG_SYS_NAND_BLOCK_SIZE) +#elif defined(CONFIG_SRIOBOOT_SLAVE) +#define CONFIG_ENV_IS_IN_REMOTE +#define CONFIG_ENV_ADDR 0xffe20000 +#define CONFIG_ENV_SIZE 0x2000 #elif defined(CONFIG_ENV_IS_NOWHERE) #define CONFIG_ENV_SIZE 0x2000 #else @@ -406,6 +412,13 @@ #define CONFIG_SRIOBOOT_SLAVE_UCODE_LAW_PHYS 0xfef020000ull #define CONFIG_SRIOBOOT_SLAVE_UCODE_SRIO_PHYS 0x3ffe00000ull #define CONFIG_SRIOBOOT_SLAVE_UCODE_SIZE 0x10000 /* 64K */ +/* + * for slave ENV instored in master memory space, + * PHYS must be aligned based on the SIZE + */ +#define CONFIG_SRIOBOOT_SLAVE_ENV_LAW_PHYS 0xfef060000ull +#define CONFIG_SRIOBOOT_SLAVE_ENV_SRIO_PHYS 0x3ffe20000ull +#define CONFIG_SRIOBOOT_SLAVE_ENV_SIZE 0x20000 /* 128K */ #endif /* |
