* Add support for ymodem protocol download

[people/ms/u-boot.git] / board / delta / delta.c

diff --git a/board/delta/delta.c b/board/delta/delta.c
index 2b7238674258839bf8a03574e5a860cf76070458..b7671dd3b70420a5720ad6da9ac2c1704f0d92d7 100644 (file)
--- 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 */