Simon Glass | 5322d62 | 2015-03-02 17:04:37 -0700 | [diff] [blame] | 1 | menu "Boot timing" |
| 2 | |
| 3 | config BOOTSTAGE |
| 4 | bool "Boot timing and reporting" |
| 5 | help |
| 6 | Enable recording of boot time while booting. To use it, insert |
| 7 | calls to bootstage_mark() with a suitable BOOTSTAGE_ID from |
| 8 | bootstage.h. Only a single entry is recorded for each ID. You can |
| 9 | give the entry a name with bootstage_mark_name(). You can also |
| 10 | record elapsed time in a particular stage using bootstage_start() |
| 11 | before starting and bootstage_accum() when finished. Bootstage will |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 12 | add up all the accumulated time and report it. |
Simon Glass | 5322d62 | 2015-03-02 17:04:37 -0700 | [diff] [blame] | 13 | |
| 14 | Normally, IDs are defined in bootstage.h but a small number of |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 15 | additional 'user' IDs can be used by passing BOOTSTAGE_ID_ALLOC |
Simon Glass | 5322d62 | 2015-03-02 17:04:37 -0700 | [diff] [blame] | 16 | as the ID. |
| 17 | |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 18 | Calls to show_boot_progress() will also result in log entries but |
Simon Glass | 5322d62 | 2015-03-02 17:04:37 -0700 | [diff] [blame] | 19 | these will not have names. |
| 20 | |
| 21 | config BOOTSTAGE_REPORT |
| 22 | bool "Display a detailed boot timing report before booting the OS" |
| 23 | depends on BOOTSTAGE |
| 24 | help |
| 25 | Enable output of a boot time report just before the OS is booted. |
| 26 | This shows how long it took U-Boot to go through each stage of the |
| 27 | boot process. The report looks something like this: |
| 28 | |
| 29 | Timer summary in microseconds: |
| 30 | Mark Elapsed Stage |
| 31 | 0 0 reset |
| 32 | 3,575,678 3,575,678 board_init_f start |
| 33 | 3,575,695 17 arch_cpu_init A9 |
| 34 | 3,575,777 82 arch_cpu_init done |
| 35 | 3,659,598 83,821 board_init_r start |
| 36 | 3,910,375 250,777 main_loop |
| 37 | 29,916,167 26,005,792 bootm_start |
| 38 | 30,361,327 445,160 start_kernel |
| 39 | |
| 40 | config BOOTSTAGE_USER_COUNT |
| 41 | hex "Number of boot ID numbers available for user use" |
| 42 | default 20 |
| 43 | help |
| 44 | This is the number of available user bootstage records. |
| 45 | Each time you call bootstage_mark(BOOTSTAGE_ID_ALLOC, ...) |
| 46 | a new ID will be allocated from this stash. If you exceed |
| 47 | the limit, recording will stop. |
| 48 | |
Simon Glass | 5322d62 | 2015-03-02 17:04:37 -0700 | [diff] [blame] | 49 | config BOOTSTAGE_FDT |
| 50 | bool "Store boot timing information in the OS device tree" |
| 51 | depends on BOOTSTAGE |
| 52 | help |
| 53 | Stash the bootstage information in the FDT. A root 'bootstage' |
| 54 | node is created with each bootstage id as a child. Each child |
| 55 | has a 'name' property and either 'mark' containing the |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 56 | mark time in microseconds, or 'accum' containing the |
Simon Glass | 5322d62 | 2015-03-02 17:04:37 -0700 | [diff] [blame] | 57 | accumulated time for that bootstage id in microseconds. |
| 58 | For example: |
| 59 | |
| 60 | bootstage { |
| 61 | 154 { |
| 62 | name = "board_init_f"; |
| 63 | mark = <3575678>; |
| 64 | }; |
| 65 | 170 { |
| 66 | name = "lcd"; |
| 67 | accum = <33482>; |
| 68 | }; |
| 69 | }; |
| 70 | |
| 71 | Code in the Linux kernel can find this in /proc/devicetree. |
| 72 | |
| 73 | config BOOTSTAGE_STASH |
| 74 | bool "Stash the boot timing information in memory before booting OS" |
| 75 | depends on BOOTSTAGE |
| 76 | help |
| 77 | Some OSes do not support device tree. Bootstage can instead write |
| 78 | the boot timing information in a binary format at a given address. |
| 79 | This happens through a call to bootstage_stash(), typically in |
| 80 | the CPU's cleanup_before_linux() function. You can use the |
| 81 | 'bootstage stash' and 'bootstage unstash' commands to do this on |
| 82 | the command line. |
| 83 | |
| 84 | config BOOTSTAGE_STASH_ADDR |
| 85 | hex "Address to stash boot timing information" |
| 86 | default 0 |
| 87 | help |
| 88 | Provide an address which will not be overwritten by the OS when it |
| 89 | starts, so that it can read this information when ready. |
| 90 | |
| 91 | config BOOTSTAGE_STASH_SIZE |
| 92 | hex "Size of boot timing stash region" |
| 93 | default 4096 |
| 94 | help |
| 95 | This should be large enough to hold the bootstage stash. A value of |
| 96 | 4096 (4KiB) is normally plenty. |
| 97 | |
| 98 | endmenu |
| 99 | |
Peng Fan | c9044e4 | 2016-06-17 17:39:50 +0800 | [diff] [blame] | 100 | menu "Boot media" |
| 101 | |
| 102 | config NOR_BOOT |
| 103 | bool "Support for booting from NOR flash" |
| 104 | depends on NOR |
| 105 | help |
| 106 | Enabling this will make a U-Boot binary that is capable of being |
| 107 | booted via NOR. In this case we will enable certain pinmux early |
| 108 | as the ROM only partially sets up pinmux. We also default to using |
| 109 | NOR for environment. |
| 110 | |
Peng Fan | 979b3ad | 2016-06-17 17:39:51 +0800 | [diff] [blame] | 111 | config NAND_BOOT |
| 112 | bool "Support for booting from NAND flash" |
| 113 | default n |
| 114 | help |
| 115 | Enabling this will make a U-Boot binary that is capable of being |
| 116 | booted via NAND flash. This is not a must, some SoCs need this, |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 117 | some not. |
Peng Fan | 979b3ad | 2016-06-17 17:39:51 +0800 | [diff] [blame] | 118 | |
| 119 | config ONENAND_BOOT |
| 120 | bool "Support for booting from ONENAND" |
| 121 | default n |
| 122 | help |
| 123 | Enabling this will make a U-Boot binary that is capable of being |
| 124 | booted via ONENAND. This is not a must, some SoCs need this, |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 125 | some not. |
Peng Fan | 979b3ad | 2016-06-17 17:39:51 +0800 | [diff] [blame] | 126 | |
| 127 | config QSPI_BOOT |
| 128 | bool "Support for booting from QSPI flash" |
| 129 | default n |
| 130 | help |
| 131 | Enabling this will make a U-Boot binary that is capable of being |
| 132 | booted via QSPI flash. This is not a must, some SoCs need this, |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 133 | some not. |
Peng Fan | 979b3ad | 2016-06-17 17:39:51 +0800 | [diff] [blame] | 134 | |
| 135 | config SATA_BOOT |
| 136 | bool "Support for booting from SATA" |
| 137 | default n |
| 138 | help |
| 139 | Enabling this will make a U-Boot binary that is capable of being |
| 140 | booted via SATA. This is not a must, some SoCs need this, |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 141 | some not. |
Peng Fan | 979b3ad | 2016-06-17 17:39:51 +0800 | [diff] [blame] | 142 | |
| 143 | config SD_BOOT |
| 144 | bool "Support for booting from SD/EMMC" |
| 145 | default n |
| 146 | help |
| 147 | Enabling this will make a U-Boot binary that is capable of being |
| 148 | booted via SD/EMMC. This is not a must, some SoCs need this, |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 149 | some not. |
Peng Fan | 979b3ad | 2016-06-17 17:39:51 +0800 | [diff] [blame] | 150 | |
| 151 | config SPI_BOOT |
| 152 | bool "Support for booting from SPI flash" |
| 153 | default n |
| 154 | help |
| 155 | Enabling this will make a U-Boot binary that is capable of being |
| 156 | booted via SPI flash. This is not a must, some SoCs need this, |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 157 | some not. |
Peng Fan | 979b3ad | 2016-06-17 17:39:51 +0800 | [diff] [blame] | 158 | |
Peng Fan | c9044e4 | 2016-06-17 17:39:50 +0800 | [diff] [blame] | 159 | endmenu |
| 160 | |
Heiko Schocher | 0b368b1 | 2016-06-07 08:31:14 +0200 | [diff] [blame] | 161 | config BOOTDELAY |
| 162 | int "delay in seconds before automatically booting" |
Tom Rini | b47fd23 | 2016-06-13 09:00:30 -0400 | [diff] [blame] | 163 | default 2 |
Masahiro Yamada | 622a01c | 2016-06-20 17:33:39 +0900 | [diff] [blame] | 164 | depends on AUTOBOOT |
Heiko Schocher | 0b368b1 | 2016-06-07 08:31:14 +0200 | [diff] [blame] | 165 | help |
| 166 | Delay before automatically running bootcmd; |
Masahiro Yamada | 5fadc7f | 2016-06-27 16:23:01 +0900 | [diff] [blame] | 167 | set to 0 to autoboot with no delay, but you can stop it by key input. |
Heiko Schocher | 0b368b1 | 2016-06-07 08:31:14 +0200 | [diff] [blame] | 168 | set to -1 to disable autoboot. |
| 169 | set to -2 to autoboot with no delay and not check for abort |
Heiko Schocher | 0b368b1 | 2016-06-07 08:31:14 +0200 | [diff] [blame] | 170 | |
Masahiro Yamada | 921e858 | 2016-06-27 16:23:00 +0900 | [diff] [blame] | 171 | See doc/README.autoboot for details. |
| 172 | |
Simon Glass | 1bb4923 | 2015-11-08 23:47:48 -0700 | [diff] [blame] | 173 | config CONSOLE_RECORD |
| 174 | bool "Console recording" |
| 175 | help |
| 176 | This provides a way to record console output (and provide console |
Robert P. J. Day | e9c629c | 2016-08-31 12:49:13 -0400 | [diff] [blame] | 177 | input) through circular buffers. This is mostly useful for testing. |
Simon Glass | 1bb4923 | 2015-11-08 23:47:48 -0700 | [diff] [blame] | 178 | Console output is recorded even when the console is silent. |
| 179 | To enable console recording, call console_record_reset_enable() |
| 180 | from your code. |
| 181 | |
| 182 | config CONSOLE_RECORD_OUT_SIZE |
| 183 | hex "Output buffer size" |
| 184 | depends on CONSOLE_RECORD |
| 185 | default 0x400 if CONSOLE_RECORD |
| 186 | help |
| 187 | Set the size of the console output buffer. When this fills up, no |
| 188 | more data will be recorded until some is removed. The buffer is |
| 189 | allocated immediately after the malloc() region is ready. |
| 190 | |
| 191 | config CONSOLE_RECORD_IN_SIZE |
| 192 | hex "Input buffer size" |
| 193 | depends on CONSOLE_RECORD |
| 194 | default 0x100 if CONSOLE_RECORD |
| 195 | help |
| 196 | Set the size of the console input buffer. When this contains data, |
| 197 | tstc() and getc() will use this in preference to real device input. |
| 198 | The buffer is allocated immediately after the malloc() region is |
| 199 | ready. |
Siva Durga Prasad Paladugu | 0b15e30 | 2016-07-19 10:42:22 +0530 | [diff] [blame] | 200 | |
| 201 | config SYS_NO_FLASH |
| 202 | bool "Disable support for parallel NOR flash" |
| 203 | default n |
| 204 | help |
| 205 | This option is used to disable support for parallel NOR flash. |