diff options
Diffstat (limited to 'drivers/i2c/fsl_i2c.c')
| -rw-r--r-- | drivers/i2c/fsl_i2c.c | 41 |
1 files changed, 12 insertions, 29 deletions
diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c index 264553dfa84..ce646fd7ed1 100644 --- a/drivers/i2c/fsl_i2c.c +++ b/drivers/i2c/fsl_i2c.c @@ -26,7 +26,7 @@ #include <asm/io.h> #include <asm/fsl_i2c.h> /* HW definitions */ -#define I2C_TIMEOUT (CFG_HZ / 4) +#define I2C_TIMEOUT (CONFIG_SYS_HZ / 4) #define I2C_READ_BIT 1 #define I2C_WRITE_BIT 0 @@ -38,18 +38,17 @@ DECLARE_GLOBAL_DATA_PTR; * runs from ROM, and we can't switch buses because we can't modify * the global variables. */ -#ifdef CFG_SPD_BUS_NUM -static unsigned int i2c_bus_num __attribute__ ((section ("data"))) = CFG_SPD_BUS_NUM; -#else -static unsigned int i2c_bus_num __attribute__ ((section ("data"))) = 0; +#ifndef CONFIG_SYS_SPD_BUS_NUM +#define CONFIG_SYS_SPD_BUS_NUM 0 #endif +static unsigned int i2c_bus_num __attribute__ ((section (".data"))) = CONFIG_SYS_SPD_BUS_NUM; -static unsigned int i2c_bus_speed[2] = {CFG_I2C_SPEED, CFG_I2C_SPEED}; +static unsigned int i2c_bus_speed[2] = {CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SPEED}; static const struct fsl_i2c *i2c_dev[2] = { - (struct fsl_i2c *) (CFG_IMMR + CFG_I2C_OFFSET), -#ifdef CFG_I2C2_OFFSET - (struct fsl_i2c *) (CFG_IMMR + CFG_I2C2_OFFSET) + (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET), +#ifdef CONFIG_SYS_I2C2_OFFSET + (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C2_OFFSET) #endif }; @@ -176,7 +175,7 @@ i2c_init(int speed, int slaveadd) struct fsl_i2c *dev; unsigned int temp; - dev = (struct fsl_i2c *) (CFG_IMMR + CFG_I2C_OFFSET); + dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET); writeb(0, &dev->cr); /* stop I2C controller */ udelay(5); /* let it shutdown in peace */ @@ -187,8 +186,8 @@ i2c_init(int speed, int slaveadd) writeb(0x0, &dev->sr); /* clear status register */ writeb(I2C_CR_MEN, &dev->cr); /* start I2C controller */ -#ifdef CFG_I2C2_OFFSET - dev = (struct fsl_i2c *) (CFG_IMMR + CFG_I2C2_OFFSET); +#ifdef CONFIG_SYS_I2C2_OFFSET + dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C2_OFFSET); writeb(0, &dev->cr); /* stop I2C controller */ udelay(5); /* let it shutdown in peace */ @@ -368,25 +367,9 @@ i2c_probe(uchar chip) return i2c_read(chip, 0, 0, NULL, 0); } -uchar -i2c_reg_read(uchar i2c_addr, uchar reg) -{ - uchar buf[1]; - - i2c_read(i2c_addr, reg, 1, buf, 1); - - return buf[0]; -} - -void -i2c_reg_write(uchar i2c_addr, uchar reg, uchar val) -{ - i2c_write(i2c_addr, reg, 1, &val, 1); -} - int i2c_set_bus_num(unsigned int bus) { -#ifdef CFG_I2C2_OFFSET +#ifdef CONFIG_SYS_I2C2_OFFSET if (bus > 1) { #else if (bus > 0) { |