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| author | Markus Klotzbuecher <mk@denx.de> | 2006-03-30 17:00:39 +0200 |
|---|---|---|
| committer | Markus Klotzbücher <mk@pollux.denx.de> | 2006-03-30 17:00:39 +0200 |
| commit | 9e7b5ce61b2641e726a38505ffc077642bff44fa (patch) | |
| tree | 23acd24f5a4ac2a26c6777f2297b8a4a782df3e4 /board/delta/delta.c | |
| parent | f2841d377060cb2c3bedfcdfda6aab3066d6c4f1 (diff) | |
| download | u-boot-imx-9e7b5ce61b2641e726a38505ffc077642bff44fa.zip u-boot-imx-9e7b5ce61b2641e726a38505ffc077642bff44fa.tar.gz u-boot-imx-9e7b5ce61b2641e726a38505ffc077642bff44fa.tar.bz2 | |
delta board: one more DA9030 fix.
Diffstat (limited to 'board/delta/delta.c')
| -rw-r--r-- | board/delta/delta.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/board/delta/delta.c b/board/delta/delta.c index 78d1f7f..d00d72d 100644 --- a/board/delta/delta.c +++ b/board/delta/delta.c @@ -79,27 +79,34 @@ int dram_init (void) return 0; } -/* initialize the DA9030 Power Controller */ -static void init_DA9030() +void i2c_init_board() { - uchar addr = (uchar) DA9030_I2C_ADDR, val = 0; + CKENB |= (CKENB_4_I2C); /* setup I2C GPIO's */ GPIO32 = 0x801; /* SCL = Alt. Fkt. 1 */ GPIO33 = 0x801; /* SDA = Alt. Fkt. 1 */ +} - /* rising Edge on EXTON */ - GPIO17 = 0xc800; /* enable pullup */ +/* initialize the DA9030 Power Controller */ +static void init_DA9030() +{ + uchar addr = (uchar) DA9030_I2C_ADDR, val = 0; + + CKENB |= CKENB_7_GPIO; + udelay(100); + + /* Rising Edge on EXTON to reset DA9030 */ + GPIO17 = 0x8800; /* configure GPIO17, no pullup, -down */ GPDR0 |= (1<<17); /* GPIO17 is output */ GSDR0 = (1<<17); GPCR0 = (1<<17); /* drive GPIO17 low */ - udelay(5); GPSR0 = (1<<17); /* drive GPIO17 high */ + #if CFG_DA9030_EXTON_DELAY udelay((unsigned long) CFG_DA9030_EXTON_DELAY); /* wait for DA9030 */ #endif GPCR0 = (1<<17); /* drive GPIO17 low */ - GPIO17 = 0x8800; /* disable pullup */ /* reset the watchdog and go active (0xec) */ val = (SYS_CONTROL_A_HWRES_ENABLE | @@ -114,14 +121,14 @@ static void init_DA9030() i2c_reg_write(addr, REG_CONTROL_1_97, 0xfd); /* disable LDO1, enable LDO6 */ i2c_reg_write(addr, LDO2_3, 0xd1); /* LDO2 =1,9V, LDO3=3,1V */ i2c_reg_write(addr, LDO4_5, 0xcc); /* LDO2 =1,9V, LDO3=3,1V */ - i2c_reg_write(addr, LDO6_SIMCP, 0x3e); /* LDO6=3,2V, SIMCP = 5V support */ + i2c_reg_write(addr, LDO6_SIMCP, 0x3e); /* LDO6=3,2V, SIMCP = 5V support */ i2c_reg_write(addr, LDO7_8, 0xc9); /* LDO7=2,7V, LDO8=3,0V */ i2c_reg_write(addr, LDO9_12, 0xec); /* LDO9=3,0V, LDO12=3,2V */ - i2c_reg_write(addr, BUCK, 0x0c); /* Buck=1.2V */ + i2c_reg_write(addr, BUCK, 0x0c); /* Buck=1.2V */ i2c_reg_write(addr, REG_CONTROL_2_98, 0x7f); /* All LDO'S on 8,9,10,11,12,14 */ - i2c_reg_write(addr, LDO_10_11, 0xcc); /* LDO10=3.0V LDO11=3.0V */ + i2c_reg_write(addr, LDO_10_11, 0xcc); /* LDO10=3.0V LDO11=3.0V */ i2c_reg_write(addr, LDO_15, 0xae); /* LDO15=1.8V, dislock first 3bit */ - i2c_reg_write(addr, LDO_14_16, 0x05); /* LDO14=2.8V, LDO16=NB */ + i2c_reg_write(addr, LDO_14_16, 0x05); /* LDO14=2.8V, LDO16=NB */ i2c_reg_write(addr, LDO_18_19, 0x9c); /* LDO18=3.0V, LDO19=2.7V */ i2c_reg_write(addr, LDO_17_SIMCP0, 0x2c); /* LDO17=3.0V, SIMCP=3V support */ i2c_reg_write(addr, BUCK2_DVC1, 0x9a); /* Buck2=1.5V plus Update support of 520 MHz */ |