diff options
Diffstat (limited to 'drivers/i2c/mxc_i2c.c')
-rw-r--r-- | drivers/i2c/mxc_i2c.c | 31 |
1 files changed, 4 insertions, 27 deletions
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index c88ac7cf98..fc68062b11 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -59,27 +59,10 @@ struct mxc_i2c_regs { #define I2SR_IIF (1 << 1) #define I2SR_RX_NO_AK (1 << 0) -#if defined(CONFIG_SYS_I2C_MX31_PORT1) -#define I2C_BASE 0x43f80000 -#define I2C_CLK_OFFSET 26 -#elif defined (CONFIG_SYS_I2C_MX31_PORT2) -#define I2C_BASE 0x43f98000 -#define I2C_CLK_OFFSET 28 -#elif defined (CONFIG_SYS_I2C_MX31_PORT3) -#define I2C_BASE 0x43f84000 -#define I2C_CLK_OFFSET 30 -#elif defined(CONFIG_SYS_I2C_MX53_PORT1) -#define I2C_BASE I2C1_BASE_ADDR -#elif defined(CONFIG_SYS_I2C_MX53_PORT2) -#define I2C_BASE I2C2_BASE_ADDR -#elif defined(CONFIG_SYS_I2C_MX35_PORT1) -#define I2C_BASE I2C_BASE_ADDR -#elif defined(CONFIG_SYS_I2C_MX35_PORT2) -#define I2C_BASE I2C2_BASE_ADDR -#elif defined(CONFIG_SYS_I2C_MX35_PORT3) -#define I2C_BASE I2C3_BASE_ADDR +#ifdef CONFIG_SYS_I2C_BASE +#define I2C_BASE CONFIG_SYS_I2C_BASE #else -#error "define CONFIG_SYS_I2C_MX<Processor>_PORTx to use the mx I2C driver" +#error "define CONFIG_SYS_I2C_BASE to use the mxc_i2c driver" #endif #define I2C_MAX_TIMEOUT 10000 @@ -114,7 +97,7 @@ static uint8_t i2c_imx_get_clk(unsigned int rate) (struct clock_control_regs *)CCM_BASE; /* start the required I2C clock */ - writel(readl(&sc_regs->cgr0) | (3 << I2C_CLK_OFFSET), + writel(readl(&sc_regs->cgr0) | (3 << CONFIG_SYS_I2C_CLK_OFFSET), &sc_regs->cgr0); #endif @@ -248,12 +231,6 @@ int i2c_imx_start(void) struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE; unsigned int temp = 0; int result; - int speed = i2c_get_bus_speed(); - u8 clk_idx = i2c_imx_get_clk(speed); - u8 idx = i2c_clk_div[clk_idx][1]; - - /* Store divider value */ - writeb(idx, &i2c_regs->ifdr); /* Enable I2C controller */ writeb(0, &i2c_regs->i2sr); |