diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.LED | 78 | ||||
| -rw-r--r-- | doc/README.ebony | 20 | ||||
| -rw-r--r-- | doc/README.m52277evb | 8 | ||||
| -rw-r--r-- | doc/README.m5373evb | 8 | ||||
| -rw-r--r-- | doc/README.m54455evb | 8 | ||||
| -rw-r--r-- | doc/README.m5475evb | 8 | ||||
| -rw-r--r-- | doc/README.mpc832xemds | 6 | ||||
| -rw-r--r-- | doc/README.mpc8349itx | 2 | ||||
| -rw-r--r-- | doc/README.mpc8360emds | 2 | ||||
| -rw-r--r-- | doc/README.mpc837xemds | 4 | ||||
| -rw-r--r-- | doc/README.mpc837xerdb | 4 | ||||
| -rw-r--r-- | doc/README.omap3 | 47 | ||||
| -rw-r--r-- | doc/README.ppc440 | 4 | ||||
| -rw-r--r-- | doc/README.xpedite1k | 6 | ||||
| -rw-r--r-- | doc/feature-removal-schedule.txt | 12 |
15 files changed, 151 insertions, 66 deletions
diff --git a/doc/README.LED b/doc/README.LED new file mode 100644 index 0000000..1221177 --- /dev/null +++ b/doc/README.LED @@ -0,0 +1,78 @@ +Status LED +======================================== + +This README describes the status LED API. + +The API is defined by the include file include/status_led.h + +The first step is to define CONFIG_STATUS_LED in the board config file. + +If the LED support is only for a single board, define CONFIG_BOARD_SPECIFIC_LED +in the board config file. + +At a minimum, these macros must be defined at +STATUS_LED_BIT +STATUS_LED_STATE +STATUS_LED_PERIOD + +If there are multiple status LED's define +STATUS_LED_BIT<n> +STATUS_LED_STATE<n> +STATUS_LED_PERIOD<n> + +Where <n> can a integer 1 through 3. + +STATUS_LED_BIT is passed into the __led_* functions to identify which LED is +being acted on. As such, the value choose must be unique with with respect to +the other STATUS_LED_BIT's. Mapping the value to a physical LED is the +reponsiblity of the __led_* function. + +STATUS_LED_STATE is the initial state of the LED. It should be set to one of +these values: STATUS_LED_OFF or STATUS_LED_ON. + +STATUS_LED_PERIOD is how long is the LED blink period. This usually set to +(CONFIG_SYS_HZ / <N>) where <N> is the frequency of the blink. Typical values +range from 2 to 10. + +Some other LED macros + +STATUS_LED_BOOT is the LED to light when the board is booting. This must be a +valid STATUS_LED_BIT value. + +STATUS_LED_RED is the red LED. It is used signal errors. This must be a valid +STATUS_LED_BIT value. Other similar color LED's are STATUS_LED_YELLOW and +STATUS_LED_BLUE. + +These board must define these functions + +__led_init is called once to initialize the LED to STATUS_LED_STATE. One time +start up code should be placed here. + +__led_set is called to change the state of the LED. + +__led_toggle is called to toggle the current state of the LED. + +Colour LED +======================================== + +Colour LED's are at present only used by ARM. + +The functions names explain their purpose. + +coloured_LED_init +red_LED_on +red_LED_off +green_LED_on +green_LED_off +yellow_LED_on +yellow_LED_off +blue_LED_on +blue_LED_off + +These are weakly defined in lib_arm/board.c to noops. Where applicable, define +these functions in the board specific source. + +TBD : Describe older board dependent macros similar to what is done for +CONFIG_TQM8xxL. + +TBD : Describe general support via asm/status_led.h diff --git a/doc/README.ebony b/doc/README.ebony index a395a49..a8479a4 100644 --- a/doc/README.ebony +++ b/doc/README.ebony @@ -31,17 +31,17 @@ J42: open All others are factory default. -I2C iprobe +I2C probe ===================== The i2c utilities have been tested on both Rev B. and Rev C. and look good. The CONFIG_SYS_I2C_NOPROBES macro is defined to prevent probing the CDCV850 clock controller at address 0x69 (since reading it causes the i2c implementation to misbehave. The output of -iprobe should look like this (assuming you are only using a single +'i2c probe' should look like this (assuming you are only using a single SO-DIMM: -=> iprobe +=> i2c probe Valid chip addresses: 50 53 54 Excluded chip addresses: 69 @@ -63,13 +63,13 @@ J42 - strapped This will select the default sys0 and sys1 settings (the serial eeproms are not used). Then power up the board and fix the serial -eeprom using the imm command. Here are the values I currently +eeprom using the 'i2c mm' command. Here are the values I currently use: -=> imd 50 0 10 +=> i2c md 50 0 10 0000: bf a2 04 01 ae 94 11 00 00 00 00 00 00 00 00 00 ................ -=> imd 54 0 10 +=> i2c md 54 0 10 0000: 8f b3 24 01 4d 14 11 00 00 00 00 00 00 00 00 00 ..$.M........... Once you have the eeproms set correctly change the @@ -83,8 +83,8 @@ the SPD to initialize the DDR SDRAM control registers. So if the SPD eeprom is corrupted, U-Boot will never get into ram. Here's how I got out of this situation: -0. First, _before_ playing with the i2c utilities, do an iprobe, then -use imd to capture the various device contents to a file. Some day +0. First, _before_ playing with the i2c utilities, do an 'i2c probe', then +use 'i2c md' to capture the various device contents to a file. Some day you may be glad you did this ... trust me :-). Otherwise try the following: @@ -100,12 +100,12 @@ settings without using the SPD eeprom. 3. Load the new U-Boot image and reboot ebony. -4. Repair the SPD eeprom using the imm command. Here's the eeprom +4. Repair the SPD eeprom using the 'i2c mm' command. Here's the eeprom contents that work with the default SO-DIMM that comes with the ebony board (micron 8VDDT164AG-265A1). Note: these are probably _not_ the factory settings ... but they work. -=> imd 53 0 10 80 +=> i2c md 53 0 10 80 0000: 80 08 07 0c 0a 01 40 00 04 75 75 00 80 08 00 01 ......@..uu..... 0010: 0e 04 0c 01 02 20 00 a0 75 00 00 50 3c 50 2d 20 ..... ..u..P<P- 0020: 90 90 50 50 00 00 00 00 00 41 4b 34 32 75 00 00 ..PP.....AK42u.. diff --git a/doc/README.m52277evb b/doc/README.m52277evb index e002947..bec77b4 100644 --- a/doc/README.m52277evb +++ b/doc/README.m52277evb @@ -204,16 +204,10 @@ erase - erase FLASH memory flinfo - print FLASH memory information go - start application at address 'addr' help - print online help +i2c - I2C sub-system icache - enable or disable instruction cache -icrc32 - checksum calculation -iloop - infinite loop on address range -imd - i2c memory display iminfo - print header information for application image imls - list all images found in flash -imm - i2c memory modify (auto-incrementing) -imw - memory write (fill) -inm - memory modify (constant address) -iprobe - probe to discover valid I2C chip addresses itest - return true/false on integer compare loadb - load binary file over serial line (kermit mode) loads - load S-Record file over serial line diff --git a/doc/README.m5373evb b/doc/README.m5373evb index 4781d94..0bd1101 100644 --- a/doc/README.m5373evb +++ b/doc/README.m5373evb @@ -215,16 +215,10 @@ erase - erase FLASH memory flinfo - print FLASH memory information go - start application at address 'addr' help - print online help +i2c - I2C sub-system icache - enable or disable instruction cache -icrc32 - checksum calculation -iloop - infinite loop on address range -imd - i2c memory display iminfo - print header information for application image imls - list all images found in flash -imm - i2c memory modify (auto-incrementing) -imw - memory write (fill) -inm - memory modify (constant address) -iprobe - probe to discover valid I2C chip addresses itest - return true/false on integer compare loadb - load binary file over serial line (kermit mode) loads - load S-Record file over serial line diff --git a/doc/README.m54455evb b/doc/README.m54455evb index f695da5..b769ff9 100644 --- a/doc/README.m54455evb +++ b/doc/README.m54455evb @@ -304,17 +304,11 @@ fsinfo - print information about filesystems fsload - load binary file from a filesystem image go - start application at address 'addr' help - print online help +i2c - I2C sub-system icache - enable or disable instruction cache -icrc32 - checksum calculation ide - IDE sub-system -iloop - infinite loop on address range -imd - i2c memory display iminfo - print header information for application image imls - list all images found in flash -imm - i2c memory modify (auto-incrementing) -imw - memory write (fill) -inm - memory modify (constant address) -iprobe - probe to discover valid I2C chip addresses itest - return true/false on integer compare loadb - load binary file over serial line (kermit mode) loads - load S-Record file over serial line diff --git a/doc/README.m5475evb b/doc/README.m5475evb index dc9a605..936c018 100644 --- a/doc/README.m5475evb +++ b/doc/README.m5475evb @@ -234,16 +234,10 @@ erase - erase FLASH memory flinfo - print FLASH memory information go - start application at address 'addr' help - print online help +i2c - I2C sub-system icache - enable or disable instruction cache -icrc32 - checksum calculation -iloop - infinite loop on address range -imd - i2c memory display iminfo - print header information for application image imls - list all images found in flash -imm - i2c memory modify (auto-incrementing) -imw - memory write (fill) -inm - memory modify (constant address) -iprobe - probe to discover valid I2C chip addresses itest - return true/false on integer compare loadb - load binary file over serial line (kermit mode) loads - load S-Record file over serial line diff --git a/doc/README.mpc832xemds b/doc/README.mpc832xemds index b63cc79..688bdbb 100644 --- a/doc/README.mpc832xemds +++ b/doc/README.mpc832xemds @@ -83,8 +83,8 @@ Freescale MPC832XEMDS Board include/configs/MPC832XEPB.h - CONFIG_MPC83XX MPC83XX family for MPC8349, MPC8360 and MPC832X - CONFIG_MPC832X MPC832X specific + CONFIG_MPC83xx MPC83xx family for MPC8349, MPC8360 and MPC832x + CONFIG_MPC832x MPC832x specific CONFIG_MPC832XEMDS MPC832XEMDS board specific 4. Compilation @@ -97,7 +97,7 @@ Freescale MPC832XEMDS Board make MPC832XEMDS_config make - MPC832X support PCI 33MHz and PCI 66MHz, to make u-boot support PCI: + MPC832x support PCI 33MHz and PCI 66MHz, to make u-boot support PCI: 1)Make sure the DIP SW support PCI mode as described in Section 1.1. diff --git a/doc/README.mpc8349itx b/doc/README.mpc8349itx index 7f24623..48bbd50 100644 --- a/doc/README.mpc8349itx +++ b/doc/README.mpc8349itx @@ -88,7 +88,7 @@ Freescale MPC8349E-mITX and MPC8349E-mITX-GP Boards include/configs/MPC8349ITX.h - CONFIG_MPC83XX MPC83xx family + CONFIG_MPC83xx MPC83xx family CONFIG_MPC8349 MPC8349 specific CONFIG_MPC8349ITX MPC8349E-mITX CONFIG_MPC8349ITXGP MPC8349E-mITX-GP diff --git a/doc/README.mpc8360emds b/doc/README.mpc8360emds index 7c841ce..d65a2a4 100644 --- a/doc/README.mpc8360emds +++ b/doc/README.mpc8360emds @@ -81,7 +81,7 @@ Freescale MPC8360EMDS Board include/configs/MPC8360EMDS.h - CONFIG_MPC83XX MPC83xx family for both MPC8349 and MPC8360 + CONFIG_MPC83xx MPC83xx family for both MPC8349 and MPC8360 CONFIG_MPC8360 MPC8360 specific CONFIG_MPC8360EMDS MPC8360EMDS board specific diff --git a/doc/README.mpc837xemds b/doc/README.mpc837xemds index a14da0f..aa767ae 100644 --- a/doc/README.mpc837xemds +++ b/doc/README.mpc837xemds @@ -60,8 +60,8 @@ Freescale MPC837xEMDS Board include/configs/MPC837XEMDS.h - CONFIG_MPC83XX MPC83xx family for both MPC837x and MPC8360 - CONFIG_MPC837X MPC837x specific + CONFIG_MPC83xx MPC83xx family for both MPC837x and MPC8360 + CONFIG_MPC837x MPC837x specific CONFIG_MPC837XEMDS MPC837XEMDS board specific 4. Compilation diff --git a/doc/README.mpc837xerdb b/doc/README.mpc837xerdb index 510e3bb..cfb6efa 100644 --- a/doc/README.mpc837xerdb +++ b/doc/README.mpc837xerdb @@ -52,8 +52,8 @@ Freescale MPC837xE-RDB Board include/configs/MPC837XERDB.h - CONFIG_MPC83XX MPC83xx family for both MPC8349 and MPC8360 - CONFIG_MPC837X MPC837x specific + CONFIG_MPC83xx MPC83xx family for both MPC8349 and MPC8360 + CONFIG_MPC837x MPC837x specific CONFIG_MPC837XERDB MPC837xE-RDB board specific diff --git a/doc/README.omap3 b/doc/README.omap3 index 1ba307f..66e781d 100644 --- a/doc/README.omap3 +++ b/doc/README.omap3 @@ -19,6 +19,8 @@ Currently the following boards are supported: * TI/Logic PD Zoom MDK [6] +* TI/Logic PD Zoom 2 [7] + Toolchain ========= @@ -54,6 +56,11 @@ make make omap3_zoom1_config make +* Zoom 2: + +make omap3_zoom2_config +make + Custom commands =============== @@ -77,10 +84,42 @@ For all other commands see help +Interfaces +========== + +gpio + +To set a bit : + + if (!omap_request_gpio(N)) { + omap_set_gpio_direction(N, 0); + omap_set_gpio_dataout(N, 1); + } + +To clear a bit : + + if (!omap_request_gpio(N)) { + omap_set_gpio_direction(N, 0); + omap_set_gpio_dataout(N, 0); + } + +To read a bit : + + if (!omap_request_gpio(N)) { + omap_set_gpio_direction(N, 1); + val = omap_get_gpio_datain(N); + omap_free_gpio(N); + } + if (val) + printf("GPIO N is set\n"); + else + printf("GPIO N is clear\n"); + + Acknowledgements ================ -OMAP3 U-Boot is based on U-Boot tar ball [7] for BeagleBoard and EVM done by +OMAP3 U-Boot is based on U-Boot tar ball [8] for BeagleBoard and EVM done by several TI employees. Links @@ -111,6 +150,10 @@ http://openpandora.org/ http://www.logicpd.com/products/devkit/ti/zoom_mobile_development_kit -[7] TI OMAP3 U-Boot: +[7] TI/Logic PD Zoom 2 + +http://www.logicpd.com/sites/default/files/1012659A_Zoom_OMAP34x-II_MDP_Brief.pdf +[8] TI OMAP3 U-Boot: http://beagleboard.googlecode.com/files/u-boot_beagle_revb.tar.gz + diff --git a/doc/README.ppc440 b/doc/README.ppc440 index 0a5f99f..1b96458 100644 --- a/doc/README.ppc440 +++ b/doc/README.ppc440 @@ -88,7 +88,7 @@ I2C ================= The i2c utilities have been tested on both Rev B. and Rev C. and -look good. The iprobe command implementation has been updated to +look good. The 'i2c probe' command implementation has been updated to allow for 'skipped' addresses. Some i2c slaves are write only and cause problems when a probe (read) is performed (for example the CDCV850 clock controller at address 0x69 on the ebony board). @@ -97,7 +97,7 @@ To prevent probing certain addresses you can define the CONFIG_SYS_I2C_NOPROBES macro in your board-specific header file. When defined, all specified addresses are skipped during a probe. The addresses that are skipped will be displayed in the output -of the iprobe command. +of the 'i2c probe' command. For example, to prevent probing address 0x69, define the macro as follows: diff --git a/doc/README.xpedite1k b/doc/README.xpedite1k index 34bba13..1da8b80 100644 --- a/doc/README.xpedite1k +++ b/doc/README.xpedite1k @@ -23,7 +23,7 @@ strappings and the 2 EMAC HW Ethernet addresses. Be careful not to change the 1st page of the EEPROM! Unpopulated jumper J560 can get you out of trouble as it disables the strapping read from EEPROM. -I2C iprobe +I2C probe ===================== The i2c utilities work and have been tested on Rev B. of the 440GX. See @@ -47,10 +47,10 @@ J560 - closed This will select the default sys0 and sys1 settings (the serial eeproms are not used). Then power up the board and fix the serial -eeprom using the imm command. Here are the values I currently +eeprom using the 'i2c mm' command. Here are the values I currently use: -=> imd 50 0 10 +=> i2c md 50 0 10 0000: 85 7d 42 06 07 80 11 00 00 00 00 00 00 00 00 00 .}B............. diff --git a/doc/feature-removal-schedule.txt b/doc/feature-removal-schedule.txt index b1f0582..9bbdc0a 100644 --- a/doc/feature-removal-schedule.txt +++ b/doc/feature-removal-schedule.txt @@ -59,18 +59,6 @@ Who: Wolfgang Denk <wd@denx.de> and board maintainers --------------------------- -What: Individual I2C commands -When: April 2009 -Why: Per the U-Boot README, individual I2C commands such as "imd", "imm", - "imw", etc are deprecated. The single "i2c" command which is - currently enabled via CONFIG_I2C_CMD_TREE contains the same - functionality as the individual I2C commands. The individual - I2C commands should be removed as well as any references to - CONFIG_I2C_CMD_TREE. -Who: Peter Tyser <ptyser@xes-inc.com> - ---------------------------- - What: Legacy NAND code When: April 2009 Why: Legacy NAND code is deprecated. Similar functionality exists in |