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Ian Rayf31dac42017-11-08 15:35:13 +00001#
2# Boot count configuration
3#
4
Alex Kiernanc1e1c1e2018-02-16 15:50:39 +00005menuconfig BOOTCOUNT_LIMIT
Lukasz Majewskid1ec9462018-02-09 23:50:57 +01006 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
Alex Kiernan3dccc102018-02-16 15:50:38 +000011if BOOTCOUNT_LIMIT
Ian Rayf31dac42017-11-08 15:35:13 +000012
Alex Kiernanc1e1c1e2018-02-16 15:50:39 +000013choice
14 prompt "Boot count device"
Alex Kiernanc35e2d92018-02-16 15:50:40 +000015 default BOOTCOUNT_AM33XX if AM33XX || SOC_DA8XX
Alex Kiernanbec8c642018-02-16 15:50:45 +000016 default BOOTCOUNT_AT91 if AT91SAM9XE
Alex Kiernanaa5a8632018-02-16 15:50:46 +000017 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.
Alex Kiernanc1e1c1e2018-02-16 15:50:39 +000027
Ian Rayf31dac42017-11-08 15:35:13 +000028config BOOTCOUNT_EXT
29 bool "Boot counter on EXT filesystem"
Frédéric Danis4f6abf12020-05-20 09:13:26 +020030 depends on FS_EXT4
31 select EXT4_WRITE
Ian Rayf31dac42017-11-08 15:35:13 +000032 help
33 Add support for maintaining boot count in a file on an EXT
34 filesystem.
35
Alex Kiernanc35e2d92018-02-16 15:50:40 +000036config BOOTCOUNT_AM33XX
37 bool "Boot counter in AM33XX RTC IP block"
38 depends on AM33XX || SOC_DA8XX
Alex Kiernan3bf5f132018-03-15 22:11:46 +000039 select SPL_AM33XX_ENABLE_RTC32K_OSC if AM33XX
Alex Kiernanc35e2d92018-02-16 15:50:40 +000040 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
Gireesh Hiremathcaf94782021-06-11 16:13:48 +000045config 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
Alex Kiernan04c96ed2018-02-16 15:50:41 +000064config 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
Michael Opdenackerfc1383a2022-03-02 16:56:02 +010071 0, "bootcount" is always 0. If "upgrade_available" is 1,
72 "bootcount" is incremented in the environment.
Alex Kiernan04c96ed2018-02-16 15:50:41 +000073 So the Userspace Application must set the "upgrade_available"
Michael Opdenackerfc1383a2022-03-02 16:56:02 +010074 and "bootcount" variables to 0, if the system booted successfully.
Alex Kiernan04c96ed2018-02-16 15:50:41 +000075
Alex Kiernanff5410d2018-02-16 15:50:42 +000076config BOOTCOUNT_RAM
77 bool "Boot counter in RAM"
78 help
Michael Opdenackerfc1383a2022-03-02 16:56:02 +010079 Store the bootcount in DRAM protected against bit errors
Alex Kiernanff5410d2018-02-16 15:50:42 +000080 due to short power loss or holding a system in RESET.
81
Alex Kiernan6cdd70e2018-02-16 15:50:43 +000082config BOOTCOUNT_I2C
83 bool "Boot counter on I2C device"
84 help
85 Enable support for the bootcounter on an i2c (like RTC) device.
Tom Rini65cc0e22022-11-16 13:10:41 -050086 CFG_SYS_I2C_RTC_ADDR = i2c chip address
Alex Kiernan6cdd70e2018-02-16 15:50:43 +000087 CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for
88 the bootcounter.
Alex Kiernan6cdd70e2018-02-16 15:50:43 +000089
Alex Kiernanbec8c642018-02-16 15:50:45 +000090config BOOTCOUNT_AT91
91 bool "Boot counter for Atmel AT91SAM9XE"
92 depends on AT91SAM9XE
93
Philipp Tomsichebb73de2018-11-27 23:00:18 +010094config 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
Alex Kiernanc1e1c1e2018-02-16 15:50:39 +0000102endchoice
103
Philipp Tomsich482734a2018-11-27 23:00:19 +0100104if 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
Robert Beckettae3d38f2019-10-28 18:44:06 +0000120config 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
Philip Oberfichtnerc537a362022-03-18 12:04:38 +0100130config DM_BOOTCOUNT_PMIC_PFUZE100
131 bool "Enable Bootcount driver for PMIC PFUZE100"
132 depends on DM_PMIC_PFUZE100
133 help
134 Enable support for the bootcounter using PMIC PFUZE100 registers.
Philip Oberfichtnerbda5f3e2022-09-19 10:11:00 +0200135 This works only, if the PMIC is not connected to a battery.
Philip Oberfichtnerc537a362022-03-18 12:04:38 +0100136
Sebastian Reichelcfe89492020-09-02 19:31:38 +0200137config DM_BOOTCOUNT_SPI_FLASH
138 bool "Support SPI flash devices as a backing store for bootcount"
139 depends on DM_SPI_FLASH
140 help
141 Enabled reading/writing the bootcount in a DM SPI flash device.
142 The wrapper device is to be specified with the compatible string
143 'u-boot,bootcount-spi-flash' and the 'spi-flash'-property (a phandle
144 pointing to the underlying SPI flash device) and an optional 'offset'
145 property are supported.
146
Heiko Schocher80e8b8a2020-03-02 15:43:59 +0100147config BOOTCOUNT_MEM
148 bool "Support memory based bootcounter"
149 help
150 Enabling Memory based bootcount, typically in a SoC register which
151 is not cleared on softreset.
152 compatible = "u-boot,bootcount";
153
Nandor Hanc50b21b2021-06-10 15:40:38 +0300154config DM_BOOTCOUNT_SYSCON
155 bool "Support SYSCON devices as a backing store for bootcount"
156 select REGMAP
157 select SYSCON
158 help
159 Enable reading/writing the bootcount value in a DM SYSCON device.
160 The driver supports a fixed 32 bits size register using the native
161 endianness. However, this can be controlled from the SYSCON DT node
162 configuration.
163
164 Accessing the backend is done using the regmap interface.
165
Philipp Tomsich482734a2018-11-27 23:00:19 +0100166endmenu
167
168endif
169
Alex Kiernanc9ad6bc2018-07-21 20:25:32 +0000170config BOOTCOUNT_BOOTLIMIT
171 int "Maximum number of reboot cycles allowed"
172 default 0
173 help
174 Set the Maximum number of reboot cycles allowed without the boot
175 counter being cleared.
Michael Opdenackerfc1383a2022-03-02 16:56:02 +0100176 If set to 0, do not set a boot limit in the environment.
Alex Kiernanc9ad6bc2018-07-21 20:25:32 +0000177
Alex Kiernan4bc4f8a2018-02-16 15:50:47 +0000178config BOOTCOUNT_ALEN
179 int "I2C address length"
180 default 1
181 depends on BOOTCOUNT_I2C
182 help
183 Length of the the I2C address at SYS_BOOTCOUNT_ADDR for storing
184 the boot counter.
185
Alex Kiernanc1e1c1e2018-02-16 15:50:39 +0000186config SYS_BOOTCOUNT_SINGLEWORD
187 bool "Use single word to pack boot count and magic value"
Alex Kiernanaa5a8632018-02-16 15:50:46 +0000188 depends on BOOTCOUNT_GENERIC
Alex Kiernanc1e1c1e2018-02-16 15:50:39 +0000189 help
190 This option enables packing boot count magic value and boot count
191 into single word (32 bits).
Ian Rayf31dac42017-11-08 15:35:13 +0000192
193config SYS_BOOTCOUNT_EXT_INTERFACE
194 string "Interface on which to find boot counter EXT filesystem"
195 default "mmc"
196 depends on BOOTCOUNT_EXT
197 help
198 Set the interface to use when locating the filesystem to use for the
199 boot counter.
200
201config SYS_BOOTCOUNT_EXT_DEVPART
202 string "Partition of the boot counter EXT filesystem"
203 default "0:1"
204 depends on BOOTCOUNT_EXT
205 help
206 Set the partition to use when locating the filesystem to use for the
207 boot counter.
208
209config SYS_BOOTCOUNT_EXT_NAME
210 string "Path and filename of the EXT filesystem based boot counter"
211 default "/boot/failures"
212 depends on BOOTCOUNT_EXT
213 help
214 Set the filename and path of the file used to store the boot counter.
215
216config SYS_BOOTCOUNT_ADDR
217 hex "RAM address used for reading and writing the boot counter"
Gireesh Hiremathcaf94782021-06-11 16:13:48 +0000218 default 0x44E3E000 if BOOTCOUNT_AM33XX || BOOTCOUNT_AM33XX_NVMEM
Tom Rini39bcbb72018-02-24 16:50:41 -0500219 default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A
220 depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
Gireesh Hiremathcaf94782021-06-11 16:13:48 +0000221 BOOTCOUNT_I2C || BOOTCOUNT_AM33XX_NVMEM
Ian Rayf31dac42017-11-08 15:35:13 +0000222 help
223 Set the address used for reading and writing the boot counter.
224
Marek Vasut758694f2018-10-11 00:13:54 +0200225config SYS_BOOTCOUNT_MAGIC
226 hex "Magic value for the boot counter"
Gireesh Hiremathcaf94782021-06-11 16:13:48 +0000227 default 0xB001C041 if BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
228 BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
229 BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
230 BOOTCOUNT_AT91 || DM_BOOTCOUNT
231 default 0xB0 if BOOTCOUNT_AM33XX_NVMEM
232 depends on BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
233 BOOTCOUNT_AM33XX || BOOTCOUNT_ENV || \
234 BOOTCOUNT_RAM || BOOTCOUNT_I2C || \
235 BOOTCOUNT_AT91 || DM_BOOTCOUNT || \
236 BOOTCOUNT_AM33XX_NVMEM
Marek Vasut758694f2018-10-11 00:13:54 +0200237 help
238 Set the magic value used for the boot counter.
239
Tom Rini64a2a7b2022-06-25 11:02:49 -0400240choice
241 prompt "Endianness of bootcount accessors"
242 default SYS_BOOTCOUNT_LE
243
244config SYS_BOOTCOUNT_LE
245 bool "Little endian accessors"
246
247config SYS_BOOTCOUNT_BE
248 bool "Big endian accessors"
249
250endchoice
Ian Rayf31dac42017-11-08 15:35:13 +0000251endif