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delta board: one more DA9030 fix.

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Markus Klotzbuecher 2006-03-30 17:00:39 +02:00 • committed by Markus Klotzbcher
parent f2841d3770
commit 9e7b5ce61b
2 changed files with 19 additions and 11 deletions
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21
board/delta/delta.c
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@ -79,27 +79,34 @@ int dram_init (void)
return 0; return 0;
} }
void i2c_init_board()
{
CKENB |= (CKENB_4_I2C);
/* setup I2C GPIO's */
GPIO32 = 0x801; /* SCL = Alt. Fkt. 1 */
GPIO33 = 0x801; /* SDA = Alt. Fkt. 1 */
}
/* initialize the DA9030 Power Controller */ /* initialize the DA9030 Power Controller */
static void init_DA9030() static void init_DA9030()
{ {
uchar addr = (uchar) DA9030_I2C_ADDR, val = 0; uchar addr = (uchar) DA9030_I2C_ADDR, val = 0;
/* setup I2C GPIO's */ CKENB |= CKENB_7_GPIO;
GPIO32 = 0x801; /* SCL = Alt. Fkt. 1 */ udelay(100);
GPIO33 = 0x801; /* SDA = Alt. Fkt. 1 */
/* rising Edge on EXTON */ /* Rising Edge on EXTON to reset DA9030 */
GPIO17 = 0xc800; /* enable pullup */ GPIO17 = 0x8800; /* configure GPIO17, no pullup, -down */
GPDR0 |= (1<<17); /* GPIO17 is output */ GPDR0 |= (1<<17); /* GPIO17 is output */
GSDR0 = (1<<17); GSDR0 = (1<<17);
GPCR0 = (1<<17); /* drive GPIO17 low */ GPCR0 = (1<<17); /* drive GPIO17 low */
udelay(5);
GPSR0 = (1<<17); /* drive GPIO17 high */ GPSR0 = (1<<17); /* drive GPIO17 high */
#if CFG_DA9030_EXTON_DELAY #if CFG_DA9030_EXTON_DELAY
udelay((unsigned long) CFG_DA9030_EXTON_DELAY); /* wait for DA9030 */ udelay((unsigned long) CFG_DA9030_EXTON_DELAY); /* wait for DA9030 */
#endif #endif
GPCR0 = (1<<17); /* drive GPIO17 low */ GPCR0 = (1<<17); /* drive GPIO17 low */
GPIO17 = 0x8800; /* disable pullup */
/* reset the watchdog and go active (0xec) */ /* reset the watchdog and go active (0xec) */
val = (SYS_CONTROL_A_HWRES_ENABLE | val = (SYS_CONTROL_A_HWRES_ENABLE |

1
include/configs/delta.h
View file

@ -63,6 +63,7 @@
#define CFG_I2C_SLAVE 1 /* I2C controllers address */ #define CFG_I2C_SLAVE 1 /* I2C controllers address */
#define DA9030_I2C_ADDR 0x49 /* I2C address of DA9030 */ #define DA9030_I2C_ADDR 0x49 /* I2C address of DA9030 */
#define CFG_DA9030_EXTON_DELAY 100000 /* wait x us after DA9030 reset via EXTON */ #define CFG_DA9030_EXTON_DELAY 100000 /* wait x us after DA9030 reset via EXTON */
#define CFG_I2C_INIT_BOARD 1
/* #define CONFIG_HW_WATCHDOG 1 /\* Required for hitting the DA9030 WD *\/ */ /* #define CONFIG_HW_WATCHDOG 1 /\* Required for hitting the DA9030 WD *\/ */
/* /*