1
2
3
4
5menuconfig BOOTCOUNT_LIMIT
6 bool "Enable support for checking boot count limit"
7 help
8 Enable checking for exceeding the boot count limit.
9 More information: http://www.denx.de/wiki/DULG/UBootBootCountLimit
10
11if BOOTCOUNT_LIMIT
12
13choice
14 prompt "Boot count device"
15 default BOOTCOUNT_AM33XX if AM33XX || SOC_DA8XX
16 default BOOTCOUNT_AT91 if AT91SAM9XE
17 default BOOTCOUNT_GENERIC
18
19config BOOTCOUNT_GENERIC
20 bool "Generic default boot counter"
21 help
22 Generic bootcount stored at SYS_BOOTCOUNT_ADDR.
23
24 SYS_BOOTCOUNT_ADDR:
25 Set to the address where the bootcount and bootcount magic
26 will be stored.
27
28config BOOTCOUNT_EXT
29 bool "Boot counter on EXT filesystem"
30 depends on FS_EXT4
31 select EXT4_WRITE
32 help
33 Add support for maintaining boot count in a file on an EXT
34 filesystem.
35
36config BOOTCOUNT_AM33XX
37 bool "Boot counter in AM33XX RTC IP block"
38 depends on AM33XX || SOC_DA8XX
39 select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX
40 help
41 A bootcount driver for the RTC IP block found on many TI platforms.
42 This requires the RTC clocks, etc, to be enabled prior to use and
43 not all boards with this IP block on it will have the RTC in use.
44
45config BOOTCOUNT_AM33XX_NVMEM
46 bool "Boot counter in AM33XX RTC IP block with upgrade_available flag"
47 depends on AM33XX
48 select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX
49 help
50 Add support for maintaining bootcount,upgrade_available,
51 version and BOOTMAGIC in a AM33xx RTC IP block
52 scratch register2.
53
54 A bootcount driver for the RTC IP block found on many TI platforms.
55 This requires the RTC clocks, etc, to be enabled prior to use and
56 not all boards with this IP block on it will have the RTC in use.
57
58 If there is upgrade in software then "upgrade_available" is 1,
59 "bootcount" is incremented otherwise "upgrade_available" and
60 "bootcount" is always 0. So the Userspace Application must set
61 the "upgrade_available" and "bootcount" variable to 0, if a boot
62 was successfully.
63
64config BOOTCOUNT_ENV
65 bool "Boot counter in environment"
66 help
67 If no softreset save registers are found on the hardware
68 "bootcount" is stored in the environment. To prevent a
69 saveenv on all reboots, the environment variable
70 "upgrade_available" is used. If "upgrade_available" is
71 0, "bootcount" is always 0, if "upgrade_available" is
72 1 "bootcount" is incremented in the environment.
73 So the Userspace Application must set the "upgrade_available"
74 and "bootcount" variable to 0, if a boot was successfully.
75
76config BOOTCOUNT_RAM
77 bool "Boot counter in RAM"
78 help
79 Store the bootcount in DRAM protected against against bit errors
80 due to short power loss or holding a system in RESET.
81
82config BOOTCOUNT_I2C
83 bool "Boot counter on I2C device"
84 help
85 Enable support for the bootcounter on an i2c (like RTC) device.
86 CONFIG_SYS_I2C_RTC_ADDR = i2c chip address
87 CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for
88 the bootcounter.
89
90config BOOTCOUNT_AT91
91 bool "Boot counter for Atmel AT91SAM9XE"
92 depends on AT91SAM9XE
93
94config DM_BOOTCOUNT
95 bool "Boot counter in a device-model device"
96 help
97 Enables reading/writing the bootcount in a device-model based
98 backing store. If an entry in /chosen/u-boot,bootcount-device
99 exists, this will be the preferred bootcount device; otherwise
100 the first available bootcount device will be used.
101
102endchoice
103
104if DM_BOOTCOUNT
105
106menu "Backing stores for device-model backed bootcount"
107config DM_BOOTCOUNT_RTC
108 bool "Support RTC devices as a backing store for bootcount"
109 depends on DM_RTC
110 help
111 Enabled reading/writing the bootcount in a DM RTC device.
112 The wrapper device is to be specified with the compatible string
113 'u-boot,bootcount-rtc' and the 'rtc'-property (a phandle pointing
114 to the underlying RTC device) and an optional 'offset' property
115 are supported.
116
117 Accesses to the backing store are performed using the write16
118 and read16 ops of DM RTC devices.
119
120config DM_BOOTCOUNT_I2C_EEPROM
121 bool "Support i2c eeprom devices as a backing store for bootcount"
122 depends on I2C_EEPROM
123 help
124 Enabled reading/writing the bootcount in a DM i2c eeprom device.
125 The wrapper device is to be specified with the compatible string
126 'u-boot,bootcount-i2c-eeprom' and the 'i2c-eeprom'-property (a phandle
127 pointing to the underlying i2c eeprom device) and an optional 'offset'
128 property are supported.
129
130config DM_BOOTCOUNT_SPI_FLASH
131 bool "Support SPI flash devices as a backing store for bootcount"
132 depends on DM_SPI_FLASH
133 help
134 Enabled reading/writing the bootcount in a DM SPI flash device.
135 The wrapper device is to be specified with the compatible string
136 'u-boot,bootcount-spi-flash' and the 'spi-flash'-property (a phandle
137 pointing to the underlying SPI flash device) and an optional 'offset'
138 property are supported.
139
140config BOOTCOUNT_MEM
141 bool "Support memory based bootcounter"
142 help
143 Enabling Memory based bootcount, typically in a SoC register which
144 is not cleared on softreset.
145 compatible = "u-boot,bootcount";
146
147config DM_BOOTCOUNT_SYSCON
148 bool "Support SYSCON devices as a backing store for bootcount"
149 select REGMAP
150 select SYSCON
151 help
152 Enable reading/writing the bootcount value in a DM SYSCON device.
153 The driver supports a fixed 32 bits size register using the native
154 endianness. However, this can be controlled from the SYSCON DT node
155 configuration.
156
157 Accessing the backend is done using the regmap interface.
158
159endmenu
160
161endif
162
163config BOOTCOUNT_BOOTLIMIT
164 int "Maximum number of reboot cycles allowed"
165 default 0
166 help
167 Set the Maximum number of reboot cycles allowed without the boot
168 counter being cleared.
169 If set to 0 do not set a boot limit in the environment.
170
171config BOOTCOUNT_ALEN
172 int "I2C address length"
173 default 1
174 depends on BOOTCOUNT_I2C
175 help
176 Length of the the I2C address at SYS_BOOTCOUNT_ADDR for storing
177 the boot counter.
178
179config SYS_BOOTCOUNT_SINGLEWORD
180 bool "Use single word to pack boot count and magic value"
181 depends on BOOTCOUNT_GENERIC
182 help
183 This option enables packing boot count magic value and boot count
184 into single word (32 bits).
185
186config SYS_BOOTCOUNT_EXT_INTERFACE
187 string "Interface on which to find boot counter EXT filesystem"
188 default "mmc"
189 depends on BOOTCOUNT_EXT
190 help
191 Set the interface to use when locating the filesystem to use for the
192 boot counter.
193
194config SYS_BOOTCOUNT_EXT_DEVPART
195 string "Partition of the boot counter EXT filesystem"
196 default "0:1"
197 depends on BOOTCOUNT_EXT
198 help
199 Set the partition to use when locating the filesystem to use for the
200 boot counter.
201
202config SYS_BOOTCOUNT_EXT_NAME
203 string "Path and filename of the EXT filesystem based boot counter"
204 default "/boot/failures"
205 depends on BOOTCOUNT_EXT
206 help
207 Set the filename and path of the file used to store the boot counter.
208
209config SYS_BOOTCOUNT_ADDR
210 hex "RAM address used for reading and writing the boot counter"
211 default 0x44E3E000 if BOOTCOUNT_AM33XX || BOOTCOUNT_AM33XX_NVMEM
212 default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A
213 depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
214 BOOTCOUNT_I2C || BOOTCOUNT_AM33XX_NVMEM
215 help
216 Set the address used for reading and writing the boot counter.
217
218config SYS_BOOTCOUNT_MAGIC
219 hex "Magic value for the boot counter"
220 default 0xB001C041 if BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
221 BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
222 BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
223 BOOTCOUNT_AT91 || DM_BOOTCOUNT
224 default 0xB0 if BOOTCOUNT_AM33XX_NVMEM
225 depends on BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
226 BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
227 BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
228 BOOTCOUNT_AT91 || DM_BOOTCOUNT || \
229 BOOTCOUNT_AM33XX_NVMEM
230 help
231 Set the magic value used for the boot counter.
232
233endif
234
