- board/lwmon Files specific to LWMON boards
- board/mbx8xx Files specific to MBX boards
- board/mpc8260ads
- Files specific to MMPC8260ADS boards
+ Files specific to MPC8260ADS and PQ2FADS-ZU boards
- board/mpl/ Files specific to boards manufactured by MPL
- board/mpl/common Common files for MPL boards
- board/mpl/pip405 Files specific to PIP405 boards
- board/mvs1 Files specific to MVS1 boards
- board/nx823 Files specific to NX823 boards
- board/oxc Files specific to OXC boards
-- board/omap1510inn
+- board/omap1510inn
Files specific to OMAP 1510 Innovator boards
- board/pcippc2 Files specific to PCIPPC2/PCIPPC6 boards
- board/pm826 Files specific to PM826 boards
the lcd display every second with
a "rotator" |\-/|\-/
+- Board flavour: (if CONFIG_MPC8260ADS is defined)
+ CONFIG_ADSTYPE
+ Possible values are:
+ CFG_8260ADS - original MPC8260ADS
+ CFG_8266ADS - MPC8266ADS (untested)
+ CFG_PQ2FADS - PQ2FADS-ZU
+
+
- MPC824X Family Member (if CONFIG_MPC824X is defined)
Define exactly one of
CONFIG_MPC8240, CONFIG_MPC8245
- I2C Support: CONFIG_HARD_I2C | CONFIG_SOFT_I2C
These enable I2C serial bus commands. Defining either of
- (but not both of) CONFIG_HARD_I2C or CONFIG_SOFT_I2C will
- include the appropriate I2C driver for the selected cpu.
+ (but not both of) CONFIG_HARD_I2C or CONFIG_SOFT_I2C will
+ include the appropriate I2C driver for the selected cpu.
- This will allow you to use i2c commands at the u-boot
- command line (as long as you set CFG_CMD_I2C in
+ This will allow you to use i2c commands at the u-boot
+ command line (as long as you set CFG_CMD_I2C in
CONFIG_COMMANDS) and communicate with i2c based realtime
clock chips. See common/cmd_i2c.c for a description of the
command line interface.
- CONFIG_HARD_I2C selects the CPM hardware driver for I2C.
+ CONFIG_HARD_I2C selects the CPM hardware driver for I2C.
- CONFIG_SOFT_I2C configures u-boot to use a software (aka
+ CONFIG_SOFT_I2C configures u-boot to use a software (aka
bit-banging) driver instead of CPM or similar hardware
support for I2C.
- There are several other quantities that must also be
+ There are several other quantities that must also be
defined when you define CONFIG_HARD_I2C or CONFIG_SOFT_I2C.
In both cases you will need to define CFG_I2C_SPEED
- to be the frequency (in Hz) at which you wish your i2c bus
- to run and CFG_I2C_SLAVE to be the address of this node (ie
- the cpu's i2c node address).
-
+ to be the frequency (in Hz) at which you wish your i2c bus
+ to run and CFG_I2C_SLAVE to be the address of this node (ie
+ the cpu's i2c node address).
+
Now, the u-boot i2c code for the mpc8xx (cpu/mpc8xx/i2c.c)
sets the cpu up as a master node and so its address should
therefore be cleared to 0 (See, eg, MPC823e User's Manual
- p.16-473). So, set CFG_I2C_SLAVE to 0.
+ p.16-473). So, set CFG_I2C_SLAVE to 0.
- That's all that's required for CONFIG_HARD_I2C.
+ That's all that's required for CONFIG_HARD_I2C.
If you use the software i2c interface (CONFIG_SOFT_I2C)
then the following macros need to be defined (examples are
is FALSE, it clears it (low).
eg: #define I2C_SDA(bit) \
- if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
- else immr->im_cpm.cp_pbdat &= ~PB_SDA
+ if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
+ else immr->im_cpm.cp_pbdat &= ~PB_SDA
I2C_SCL(bit)
is FALSE, it clears it (low).
eg: #define I2C_SCL(bit) \
- if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
- else immr->im_cpm.cp_pbdat &= ~PB_SCL
+ if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
+ else immr->im_cpm.cp_pbdat &= ~PB_SCL
I2C_DELAY
This delay is invoked four times per clock cycle so this
controls the rate of data transfer. The data rate thus
is 1 / (I2C_DELAY * 4). Often defined to be something
- like:
-
+ like:
+
#define I2C_DELAY udelay(2)
CFG_I2C_INIT_BOARD
- CFG_DEFAULT_IMMR:
Default address of the IMMR after system reset.
- Needed on some 8260 systems (MPC8260ADS and RPXsuper)
- to be able to adjust the position of the IMMR
- register after a reset.
+
+ Needed on some 8260 systems (MPC8260ADS, PQ2FADS-ZU,
+ and RPXsuper) to be able to adjust the position of
+ the IMMR register after a reset.
- Floppy Disk Support:
CFG_FDC_DRIVE_NUMBER
GENIETV_config TQM823L_config PIP405_config
GEN860T_config EBONY_config FPS860L_config
ELPT860_config cmi_mpc5xx_config NETVIA_config
- at91rm9200dk_config omap1510inn_config
+ at91rm9200dk_config omap1510inn_config MPC8260ADS_config
Note: for some board special configuration names may exist; check if
additional information is available from the board vendor; for
projects / karo-tx-uboot.git / blobdiff