dm: fsl_i2c: Rename I2C register structure

Signed-off-by: Mario Six <mario.six@gdsys.cc>
This commit is contained in:
mario.six@gdsys.cc
2016-04-25 08:31:01 +02:00
committed by Heiko Schocher
parent b6a77b0ce8
commit ec2c81c5d4
6 changed files with 87 additions and 76 deletions

View File

@@ -13,31 +13,33 @@
static void i2c_write_start_seq(void)
{
struct fsl_i2c *dev;
dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET);
struct fsl_i2c_base *base;
base = (struct fsl_i2c_base *)(CONFIG_SYS_IMMR +
CONFIG_SYS_I2C_OFFSET);
udelay(DELAY_ABORT_SEQ);
out_8(&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA));
out_8(&base->cr, (I2C_CR_MEN | I2C_CR_MSTA));
udelay(DELAY_ABORT_SEQ);
out_8(&dev->cr, (I2C_CR_MEN));
out_8(&base->cr, (I2C_CR_MEN));
}
int i2c_make_abort(void)
{
struct fsl_i2c *dev;
dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET);
struct fsl_i2c_base *base;
base = (struct fsl_i2c_base *)(CONFIG_SYS_IMMR +
CONFIG_SYS_I2C_OFFSET);
uchar last;
int nbr_read = 0;
int i = 0;
int ret = 0;
/* wait after each operation to finsh with a delay */
out_8(&dev->cr, (I2C_CR_MSTA));
out_8(&base->cr, (I2C_CR_MSTA));
udelay(DELAY_ABORT_SEQ);
out_8(&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA));
out_8(&base->cr, (I2C_CR_MEN | I2C_CR_MSTA));
udelay(DELAY_ABORT_SEQ);
in_8(&dev->dr);
in_8(&base->dr);
udelay(DELAY_ABORT_SEQ);
last = in_8(&dev->dr);
last = in_8(&base->dr);
nbr_read++;
/*
@@ -47,7 +49,7 @@ int i2c_make_abort(void)
while (((last & 0x01) != 0x01) &&
(nbr_read < CONFIG_SYS_IVM_EEPROM_MAX_LEN)) {
udelay(DELAY_ABORT_SEQ);
last = in_8(&dev->dr);
last = in_8(&base->dr);
nbr_read++;
}
if ((last & 0x01) != 0x01)
@@ -56,10 +58,10 @@ int i2c_make_abort(void)
printf("[INFO] i2c abort after %d bytes (0x%02x)\n",
nbr_read, last);
udelay(DELAY_ABORT_SEQ);
out_8(&dev->cr, (I2C_CR_MEN));
out_8(&base->cr, (I2C_CR_MEN));
udelay(DELAY_ABORT_SEQ);
/* clear status reg */
out_8(&dev->sr, 0);
out_8(&base->sr, 0);
for (i = 0; i < 5; i++)
i2c_write_start_seq();