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11 commits

Author SHA1 Message Date
Jon Smirl
3c853f31d6 mpc5200: reduce delays in i2c 
The previous code waited 1000us before checking i2c
status. Measurement shows i2c is usually ready in
under 50us. Change the polling interval to 15us,
loop 6,667 times to keep the polling timeout constant
at 100ms.
 2009-04-05 01:34:08 +02:00
Jon Smirl
33e88c557b mpc5200: suppress printf until console initialized 
On boards which have the environment in eeprom, i2c_init() is called
before the console and RAM are initialized.
Suppress printfs until the console is initialized.

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: Heiko Schocher <hs@denx.de>
 2009-03-25 22:50:04 +01:00
Timur Tabi
ecf5f077c8 i2c: merge all i2c_reg_read() and i2c_reg_write() into inline functions 
All implementations of the functions i2c_reg_read() and
i2c_reg_write() are identical. We can save space and simplify the
code by converting these functions into inlines and putting them in
i2c.h.

Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-By: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 2008-12-15 23:46:21 +01:00
Jean-Christophe PLAGNIOL-VILLARD
6d0f6bcf33 rename CFG_ macros to CONFIG_SYS 
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 2008-10-18 21:54:03 +02:00
Wolfgang Denk
d87080b721 GCC-4.x fixes: clean up global data pointer initialization for all boards. 2006-03-31 18:32:53 +02:00
Wolfgang Denk
77ddac9480 Cleanup for GCC-4.x 2005-10-13 16:45:02 +02:00
wdenk
697037fe9b * Patch by Martin Krause, 27 May 2004: 
Fix a MPC5xxx I2C timing issue in i2c_probe().

* Patch by Leif Lindholm, 27 May 2004:
  Fix board_init_f() for dbau1x00 board.
 2004-06-09 15:29:49 +00:00
wdenk
5cf9da4821 * Patch by Bernhard Kuhn, 28 Oct 2003: 
Add low boot support for MPC5200

* Fix problem with dual PCMCIA support (NSCU)

* Fix MPC5200 I2C initialization function
 2003-11-07 13:42:26 +00:00
wdenk
42d1f0394b * Patches by Xianghua Xiao, 15 Oct 2003: 
- Added Motorola CPU 8540/8560 support (cpu/85xx)
  - Added Motorola MPC8540ADS board support (board/mpc8540ads)
  - Added Motorola MPC8560ADS board support (board/mpc8560ads)

* Minor code cleanup
 2003-10-15 23:53:47 +00:00
dzu
ab209d5107 Fix problems with I2C support for mpc5200 2003-09-30 14:08:43 +00:00
wdenk
531716e171 * Patch by David Müller, 13 Sep 2003: 
various changes to VCMA9 board specific files

* Add I2C support for MGT5100 / MPC5200
 2003-09-13 19:01:12 +00:00