1#
2# Boot count configuration
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 1,
72          "bootcount" is incremented in the environment.
73	  So the Userspace Application must set the "upgrade_available"
74	  and "bootcount" variables to 0, if the system booted successfully.
75
76config BOOTCOUNT_RAM
77	bool "Boot counter in RAM"
78	help
79	  Store the bootcount in DRAM protected 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	  CFG_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_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.
135	  This works only, if the PMIC is not connected to a battery.
136
137config 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
147config 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
154config 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
166endmenu
167
168endif
169
170config 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.
176	  If set to 0, do not set a boot limit in the environment.
177
178config 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
186config SYS_BOOTCOUNT_SINGLEWORD
187	bool "Use single word to pack boot count and magic value"
188	depends on BOOTCOUNT_GENERIC
189	help
190	  This option enables packing boot count magic value and boot count
191	  into single word (32 bits).
192
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"
218	default 0x44E3E000 if BOOTCOUNT_AM33XX || BOOTCOUNT_AM33XX_NVMEM
219	default 0xE0115FF8 if ARCH_LS1043A || ARCH_LS1021A
220	depends on BOOTCOUNT_AM33XX || BOOTCOUNT_GENERIC || BOOTCOUNT_EXT || \
221		   BOOTCOUNT_I2C || BOOTCOUNT_AM33XX_NVMEM
222	help
223	  Set the address used for reading and writing the boot counter.
224
225config SYS_BOOTCOUNT_MAGIC
226	hex "Magic value for the boot counter"
227	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
237	help
238	  Set the magic value used for the boot counter.
239
240choice
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
251endif
252