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| author | Wolfgang Denk <wd@pollux.denx.de> | 2006-04-01 15:52:46 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@pollux.denx.de> | 2006-04-01 15:52:46 +0200 |
| commit | 534ff676a9c2ffd460e096754894e78551e4ed1e (patch) | |
| tree | 54c8832a9b2954ed5692c39543935c76ff9481e4 /board | |
| parent | d87080b721e4f8dca977af7571c5338ae7bb8db7 (diff) | |
| parent | 9e7b5ce61b2641e726a38505ffc077642bff44fa (diff) | |
| download | u-boot-imx-534ff676a9c2ffd460e096754894e78551e4ed1e.zip u-boot-imx-534ff676a9c2ffd460e096754894e78551e4ed1e.tar.gz u-boot-imx-534ff676a9c2ffd460e096754894e78551e4ed1e.tar.bz2 | |
* Add support for ymodem protocol download
Patch by Stefano Babic, 29 Mar 2006
* Memory Map Update for Delta board: U-Boot is at 0x80000000-0x84000000
Merge with /home/mk/8-benq/u-boot
Diffstat (limited to 'board')
| -rw-r--r-- | board/delta/config.mk | 2 | ||||
| -rw-r--r-- | board/delta/delta.c | 44 |
2 files changed, 31 insertions, 15 deletions
diff --git a/board/delta/config.mk b/board/delta/config.mk index 9564625..c72e956 100644 --- a/board/delta/config.mk +++ b/board/delta/config.mk @@ -2,7 +2,7 @@ #TEXT_BASE = 0xa1700000 #TEXT_BASE = 0xa3080000 #TEXT_BASE = 0x9ffe0000 -TEXT_BASE = 0xa3008000 +TEXT_BASE = 0x83008000 # Compile the new NAND code (needed iff #ifdef CONFIG_NEW_NAND_CODE) BOARDLIBS = drivers/nand/libnand.a diff --git a/board/delta/delta.c b/board/delta/delta.c index 2b72386..b7671dd 100644 --- a/board/delta/delta.c +++ b/board/delta/delta.c @@ -77,40 +77,56 @@ 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 = 0x8800; - udelay(5); - GPIO17 = 0xc800; - udelay(100000); /* wait for DA9030 */ +/* 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 */ + 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 */ /* reset the watchdog and go active (0xec) */ val = (SYS_CONTROL_A_HWRES_ENABLE | (0x6<<4) | SYS_CONTROL_A_WDOG_ACTION | SYS_CONTROL_A_WATCHDOG); - - i2c_reg_write(addr, SYS_CONTROL_A, val); + if(i2c_write(addr, SYS_CONTROL_A, 1, &val, 1)) { + printf("Error accessing DA9030 via i2c.\n"); + return; + } 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 */ |