diff options
Diffstat (limited to 'cpu/ppc4xx/i2c.c')
| -rw-r--r-- | cpu/ppc4xx/i2c.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c index 0deb149..9d416ca 100644 --- a/cpu/ppc4xx/i2c.c +++ b/cpu/ppc4xx/i2c.c @@ -42,11 +42,10 @@ DECLARE_GLOBAL_DATA_PTR; * runs from ROM, and we can't switch buses because we can't modify * the global variables. */ -#ifdef CONFIG_SYS_SPD_BUS_NUM -static unsigned int i2c_bus_num __attribute__ ((section ("data"))) = CONFIG_SYS_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; #endif /* CONFIG_I2C_MULTI_BUS */ static void _i2c_bus_reset(void) @@ -420,26 +419,6 @@ int i2c_write(uchar chip, uint addr, int alen, uchar * buffer, int len) return (i2c_transfer(0, chip<<1, &xaddr[4-alen], alen, buffer, len ) != 0); } -/*----------------------------------------------------------------------- - * Read a register - */ -uchar i2c_reg_read(uchar i2c_addr, uchar reg) -{ - uchar buf; - - i2c_read(i2c_addr, reg, 1, &buf, 1); - - return (buf); -} - -/*----------------------------------------------------------------------- - * Write a register - */ -void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val) -{ - i2c_write(i2c_addr, reg, 1, &val, 1); -} - #if defined(CONFIG_I2C_MULTI_BUS) /* * Functions for multiple I2C bus handling |