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| author | Heiko Schocher <hs@denx.de> | 2009-07-09 12:04:26 +0200 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2009-07-21 07:06:26 +0200 |
| commit | 39df00d9aecfb465b9eec9af593f9b763fb5209a (patch) | |
| tree | 65392eb84672e4f25379bf65a4e9a20fb41e27c6 /lib_m68k/cache.c | |
| parent | 1bc1538613d66cef3cbce680fc8d7c3561a0fbd0 (diff) | |
| download | u-boot-imx-39df00d9aecfb465b9eec9af593f9b763fb5209a.zip u-boot-imx-39df00d9aecfb465b9eec9af593f9b763fb5209a.tar.gz u-boot-imx-39df00d9aecfb465b9eec9af593f9b763fb5209a.tar.bz2 | |
i2c, mpc83xx: add CONFIG_SYS_I2C_INIT_BOARD for fsl_i2c
This patch adds the possibility to call a board specific
i2c bus reset routine for the fsl_i2c bus driver, and adds
this option for the keymile kmeter1 board.
The deblock sequence for this board is implemented and
tested in the following way:
CR = 0x20 (release SDA and SCL pin)
CR = 0xa0 (start read)
dummy read
dummy read
if 2. dummy read == 0x00
3. dummy read
CR = 0x80 (SDA and SCL now 1 SR = 0x86)
CR = 0x00 (Modul reset SR=0x81)
CR = 0x80 (SDA and SCL = 1, SR = 0x81)
Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'lib_m68k/cache.c')
0 files changed, 0 insertions, 0 deletions