diff options
| -rw-r--r-- | README | 7 | ||||
| -rw-r--r-- | drivers/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/bootcount/Kconfig | 58 | ||||
| -rw-r--r-- | drivers/bootcount/Makefile | 1 | ||||
| -rw-r--r-- | drivers/bootcount/bootcount_ext.c | 62 |
5 files changed, 130 insertions, 0 deletions
@@ -2362,6 +2362,13 @@ The following options need to be configured: CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for the bootcounter. CONFIG_BOOTCOUNT_ALEN = address len + CONFIG_BOOTCOUNT_EXT + enable support for the bootcounter in EXT filesystem + CONFIG_SYS_BOOTCOUNT_ADDR = RAM address used for read + and write. + CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE = interface + CONFIG_SYS_BOOTCOUNT_EXT_DEVPART = device and part + CONFIG_SYS_BOOTCOUNT_EXT_NAME = filename - Show boot progress: CONFIG_SHOW_BOOT_PROGRESS diff --git a/drivers/Kconfig b/drivers/Kconfig index 613e60235d..c2e813f5ad 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -10,6 +10,8 @@ source "drivers/ata/Kconfig" source "drivers/block/Kconfig" +source "drivers/bootcount/Kconfig" + source "drivers/clk/Kconfig" source "drivers/cpu/Kconfig" diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig new file mode 100644 index 0000000000..c9d627cce2 --- /dev/null +++ b/drivers/bootcount/Kconfig @@ -0,0 +1,58 @@ +# +# Boot count configuration +# + +menu "Boot count support" + +config BOOTCOUNT + bool "Enable Boot count support" + help + Enable boot count support, which provides the ability to store the + number of times the board has booted on a number of different + persistent storage mediums. + +if BOOTCOUNT + +config BOOTCOUNT_EXT + bool "Boot counter on EXT filesystem" + help + Add support for maintaining boot count in a file on an EXT + filesystem. + +if BOOTCOUNT_EXT + +config SYS_BOOTCOUNT_EXT_INTERFACE + string "Interface on which to find boot counter EXT filesystem" + default "mmc" + depends on BOOTCOUNT_EXT + help + Set the interface to use when locating the filesystem to use for the + boot counter. + +config SYS_BOOTCOUNT_EXT_DEVPART + string "Partition of the boot counter EXT filesystem" + default "0:1" + depends on BOOTCOUNT_EXT + help + Set the partition to use when locating the filesystem to use for the + boot counter. + +config SYS_BOOTCOUNT_EXT_NAME + string "Path and filename of the EXT filesystem based boot counter" + default "/boot/failures" + depends on BOOTCOUNT_EXT + help + Set the filename and path of the file used to store the boot counter. + +config SYS_BOOTCOUNT_ADDR + hex "RAM address used for reading and writing the boot counter" + default 0x7000A000 + depends on BOOTCOUNT_EXT + help + Set the address used for reading and writing the boot counter. + +endif + +endif + +endmenu diff --git a/drivers/bootcount/Makefile b/drivers/bootcount/Makefile index ed9659ad97..45445d24bf 100644 --- a/drivers/bootcount/Makefile +++ b/drivers/bootcount/Makefile @@ -9,3 +9,4 @@ obj-$(CONFIG_BOOTCOUNT_AM33XX) += bootcount_davinci.o obj-$(CONFIG_BOOTCOUNT_RAM) += bootcount_ram.o obj-$(CONFIG_BOOTCOUNT_ENV) += bootcount_env.o obj-$(CONFIG_BOOTCOUNT_I2C) += bootcount_i2c.o +obj-$(CONFIG_BOOTCOUNT_EXT) += bootcount_ext.o diff --git a/drivers/bootcount/bootcount_ext.c b/drivers/bootcount/bootcount_ext.c new file mode 100644 index 0000000000..e0dd21ba6a --- /dev/null +++ b/drivers/bootcount/bootcount_ext.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2017 General Electric Company. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <bootcount.h> +#include <fs.h> +#include <mapmem.h> + +#define BC_MAGIC 0xbc + +void bootcount_store(ulong a) +{ + u8 *buf; + loff_t len; + int ret; + + if (fs_set_blk_dev(CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE, + CONFIG_SYS_BOOTCOUNT_EXT_DEVPART, FS_TYPE_EXT)) { + puts("Error selecting device\n"); + return; + } + + buf = map_sysmem(CONFIG_SYS_BOOTCOUNT_ADDR, 2); + buf[0] = BC_MAGIC; + buf[1] = (a & 0xff); + unmap_sysmem(buf); + + ret = fs_write(CONFIG_SYS_BOOTCOUNT_EXT_NAME, + CONFIG_SYS_BOOTCOUNT_ADDR, 0, 2, &len); + if (ret != 0) + puts("Error storing bootcount\n"); +} + +ulong bootcount_load(void) +{ + u8 *buf; + loff_t len_read; + int ret; + + if (fs_set_blk_dev(CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE, + CONFIG_SYS_BOOTCOUNT_EXT_DEVPART, FS_TYPE_EXT)) { + puts("Error selecting device\n"); + return 0; + } + + ret = fs_read(CONFIG_SYS_BOOTCOUNT_EXT_NAME, CONFIG_SYS_BOOTCOUNT_ADDR, + 0, 2, &len_read); + if (ret != 0 || len_read != 2) { + puts("Error loading bootcount\n"); + return 0; + } + + buf = map_sysmem(CONFIG_SYS_BOOTCOUNT_ADDR, 2); + if (buf[0] == BC_MAGIC) + ret = buf[1]; + + unmap_sysmem(buf); + + return ret; +} |