diff options
| author | Wolfgang Denk | 2012-07-12 08:17:29 +0200 |
|---|---|---|
| committer | Wolfgang Denk | 2012-07-12 08:17:29 +0200 |
| commit | 0b15d51ed07db4c318d9c6b02b394ba5a3bc4296 (patch) | |
| tree | 1a944f7da01e951b473959b6995c1aedce92260b /drivers | |
| parent | a0bc44e68ef696ba48731aadf433f80315bdafa7 (diff) | |
| parent | 175a7d2778ad26a244f5c846a6385413c87d95a7 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-i2c
* 'master' of git://git.denx.de/u-boot-i2c:
mx28evk: Add I2C support
mxs-i2c: Fix internal address byte order
mxc_i2c: remove setting speed at each start
mx6qsabrelite: add i2c support
mxc_i2c: specify i2c base address in config file
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/mxc_i2c.c | 31 | ||||
| -rw-r--r-- | drivers/i2c/mxs_i2c.c | 2 |
2 files changed, 5 insertions, 28 deletions
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index c88ac7cf98b..fc68062b118 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); diff --git a/drivers/i2c/mxs_i2c.c b/drivers/i2c/mxs_i2c.c index c8fea323554..48aaaa62684 100644 --- a/drivers/i2c/mxs_i2c.c +++ b/drivers/i2c/mxs_i2c.c @@ -97,7 +97,7 @@ void mxs_i2c_write(uchar chip, uint addr, int alen, for (i = 0; i < alen; i++) { data >>= 8; - data |= ((char *)&addr)[i] << 24; + data |= ((char *)&addr)[alen - i - 1] << 24; if ((i & 3) == 2) writel(data, &i2c_regs->hw_i2c_data); } |