aboutsummaryrefslogtreecommitdiffstats
path: root/board/esd/cpci750/i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/esd/cpci750/i2c.c')
-rw-r--r--board/esd/cpci750/i2c.c62
1 files changed, 31 insertions, 31 deletions
diff --git a/board/esd/cpci750/i2c.c b/board/esd/cpci750/i2c.c
index fcec78eac6..5b1bc01c21 100644
--- a/board/esd/cpci750/i2c.c
+++ b/board/esd/cpci750/i2c.c
@@ -72,28 +72,28 @@ static void i2c_init (int speed, int slaveaddr)
/* Setup bus */
/* gtI2cReset */
GT_REG_WRITE (I2C_SOFT_RESET, 0);
- asm(" sync");
+ asm(" sync");
GT_REG_WRITE (I2C_CONTROL, 0);
- asm(" sync");
+ asm(" sync");
DP (puts ("set baudrate\n"));
GT_REG_WRITE (I2C_STATUS_BAUDE_RATE, (actualM << 3) | actualN);
- asm(" sync");
+ asm(" sync");
DP (puts ("udelay...\n"));
udelay (I2C_DELAY);
GT_REG_WRITE (I2C_CONTROL, (0x1 << 2) | (0x1 << 6));
- asm(" sync");
+ asm(" sync");
}
static uchar i2c_select_device (uchar dev_addr, uchar read, int ten_bit)
{
unsigned int status, data, bits = 7;
- unsigned int control;
+ unsigned int control;
int count = 0;
DP (puts ("i2c_select_device\n"));
@@ -107,19 +107,19 @@ static uchar i2c_select_device (uchar dev_addr, uchar read, int ten_bit)
GT_REG_READ (I2C_CONTROL, &control);
control |= (0x1 << 2);
GT_REG_WRITE (I2C_CONTROL, control);
- asm(" sync");
+ asm(" sync");
GT_REG_READ (I2C_CONTROL, &control);
control |= (0x1 << 5); /* generate the I2C_START_BIT */
GT_REG_WRITE (I2C_CONTROL, control);
- asm(" sync");
+ asm(" sync");
RESET_REG_BITS (I2C_CONTROL, (0x01 << 3));
- asm(" sync");
+ asm(" sync");
GT_REG_READ (I2C_CONTROL, &status);
while ((status & 0x08) != 0x08) {
- GT_REG_READ (I2C_CONTROL, &status);
- }
+ GT_REG_READ (I2C_CONTROL, &status);
+ }
count = 0;
@@ -128,7 +128,7 @@ static uchar i2c_select_device (uchar dev_addr, uchar read, int ten_bit)
while (((status & 0xff) != 0x08) && ((status & 0xff) != 0x10)){
if (count > 200) {
#ifdef DEBUG_I2C
- printf ("Failed to set startbit: 0x%02x\n", status);
+ printf ("Failed to set startbit: 0x%02x\n", status);
#endif
GT_REG_WRITE (I2C_CONTROL, (0x1 << 4)); /*stop */
asm(" sync");
@@ -146,21 +146,21 @@ static uchar i2c_select_device (uchar dev_addr, uchar read, int ten_bit)
/* set the read bit */
data |= read;
GT_REG_WRITE (I2C_DATA, data);
- asm(" sync");
+ asm(" sync");
RESET_REG_BITS (I2C_CONTROL, BIT3);
- asm(" sync");
+ asm(" sync");
GT_REG_READ (I2C_CONTROL, &status);
while ((status & 0x08) != 0x08) {
- GT_REG_READ (I2C_CONTROL, &status);
- }
+ GT_REG_READ (I2C_CONTROL, &status);
+ }
GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
count = 0;
while (((status & 0xff) != 0x40) && ((status & 0xff) != 0x18)) {
if (count > 200) {
#ifdef DEBUG_I2C
- printf ("Failed to write address: 0x%02x\n", status);
+ printf ("Failed to write address: 0x%02x\n", status);
#endif
GT_REG_WRITE (I2C_CONTROL, (0x1 << 4)); /*stop */
return (status);
@@ -195,15 +195,15 @@ static uchar i2c_get_data (uchar * return_data, int len)
GT_REG_READ (I2C_CONTROL, &status);
while ((status & 0x08) != 0x08) {
- GT_REG_READ (I2C_CONTROL, &status);
- }
+ GT_REG_READ (I2C_CONTROL, &status);
+ }
GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
count++;
while ((status & 0xff) != 0x50) {
if (count > 20) {
#ifdef DEBUG_I2C
- printf ("Failed to get data len status: 0x%02x\n", status);
+ printf ("Failed to get data len status: 0x%02x\n", status);
#endif
GT_REG_WRITE (I2C_CONTROL, (0x1 << 4)); /*stop */
asm(" sync");
@@ -219,13 +219,13 @@ static uchar i2c_get_data (uchar * return_data, int len)
}
RESET_REG_BITS (I2C_CONTROL, BIT2 | BIT3);
- asm(" sync");
+ asm(" sync");
count = 0;
GT_REG_READ (I2C_CONTROL, &status);
while ((status & 0x08) != 0x08) {
- GT_REG_READ (I2C_CONTROL, &status);
- }
+ GT_REG_READ (I2C_CONTROL, &status);
+ }
while ((status & 0xff) != 0x58) {
if (count > 2000) {
@@ -236,9 +236,9 @@ static uchar i2c_get_data (uchar * return_data, int len)
count++;
}
GT_REG_WRITE (I2C_CONTROL, (0x1 << 4)); /* stop */
- asm(" sync");
+ asm(" sync");
RESET_REG_BITS (I2C_CONTROL, (0x1 << 3));
- asm(" sync");
+ asm(" sync");
return (0);
}
@@ -254,7 +254,7 @@ static uchar i2c_write_data (unsigned int *data, int len)
DP (puts ("i2c_write_data\n"));
while (len) {
- count = 0;
+ count = 0;
temp = (unsigned int) (*temp_ptr);
GT_REG_WRITE (I2C_DATA, temp);
asm(" sync");
@@ -264,7 +264,7 @@ static uchar i2c_write_data (unsigned int *data, int len)
GT_REG_READ (I2C_CONTROL, &status);
while ((status & 0x08) != 0x08) {
GT_REG_READ (I2C_CONTROL, &status);
- }
+ }
GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
count++;
@@ -294,7 +294,7 @@ static uchar i2c_write_byte (unsigned char *data, int len)
DP (puts ("i2c_write_byte\n"));
while (len) {
- count = 0;
+ count = 0;
/* Set and assert the data */
temp = *temp_ptr;
GT_REG_WRITE (I2C_DATA, temp);
@@ -306,7 +306,7 @@ static uchar i2c_write_byte (unsigned char *data, int len)
GT_REG_READ (I2C_CONTROL, &status);
while ((status & 0x08) != 0x08) {
GT_REG_READ (I2C_CONTROL, &status);
- }
+ }
GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
count++;
@@ -419,7 +419,7 @@ i2c_read (uchar dev_addr, unsigned int offset, int alen, uchar * data,
void i2c_stop (void)
{
GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));
- asm(" sync");
+ asm(" sync");
}
@@ -441,7 +441,7 @@ i2c_write (uchar dev_addr, unsigned int offset, int alen, uchar * data,
status);
#endif
return status;
- }
+ }
status = i2c_write_byte (data, len); /* write the data */
@@ -450,7 +450,7 @@ i2c_write (uchar dev_addr, unsigned int offset, int alen, uchar * data,
printf ("Data not written: 0x%02x\n", status);
#endif
return status;
- }
+ }
/* issue a stop bit */
i2c_stop ();
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 11:20:24 +0000