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| author | Wolfgang Denk <wd@denx.de> | 2011-04-28 23:19:18 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-04-28 23:19:18 +0200 |
| commit | 34d9cb5ec69ce856c3d241d9416620f721d45892 (patch) | |
| tree | bc40c31419773a5a5259bae207ae56ec8edfc4b4 /common | |
| parent | 2fa8ca98c37d5b1bb0328b19ddb7e9d162cd9683 (diff) | |
| parent | 4bd5566ee89c906022215dc0064beb0d6c128060 (diff) | |
| download | u-boot-imx-34d9cb5ec69ce856c3d241d9416620f721d45892.zip u-boot-imx-34d9cb5ec69ce856c3d241d9416620f721d45892.tar.gz u-boot-imx-34d9cb5ec69ce856c3d241d9416620f721d45892.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-i2c
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_i2c.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c index c272b0d..d913e13 100644 --- a/common/cmd_i2c.c +++ b/common/cmd_i2c.c @@ -132,6 +132,14 @@ DECLARE_GLOBAL_DATA_PTR; #define DISP_LINE_LEN 16 +/* implement possible board specific board init */ +void __def_i2c_init_board(void) +{ + return; +} +void i2c_init_board(void) + __attribute__((weak, alias("__def_i2c_init_board"))); + /* TODO: Implement architecture-specific get/set functions */ unsigned int __def_i2c_get_bus_speed(void) { @@ -1541,6 +1549,8 @@ int i2x_mux_select_mux(int bus) mux = dev->mux; while (mux != NULL) { + /* do deblocking on each level of mux, before mux config */ + i2c_init_board(); if (i2c_write(mux->chip, 0, 0, &mux->channel, 1) != 0) { printf ("Error setting Mux: chip:%x channel: \ %x\n", mux->chip, mux->channel); @@ -1548,6 +1558,8 @@ int i2x_mux_select_mux(int bus) } mux = mux->next; } + /* do deblocking on each level of mux and after mux config */ + i2c_init_board(); return 0; } #endif /* CONFIG_I2C_MUX */ |