diff options
author | Scott Wood <scottwood@freescale.com> | 2012-12-14 16:03:55 -0600 |
---|---|---|
committer | Scott Wood <scottwood@freescale.com> | 2012-12-14 16:03:55 -0600 |
commit | 88c5c68ffa277bf01b3254cf5a059e2cbe07be97 (patch) | |
tree | f56b444a1c85d94d6a386df090def099632489fe /drivers/i2c/s3c24x0_i2c.c | |
parent | 0b38fffbe413fc0725c750d046ca62c23fca196e (diff) | |
parent | 6e9005bd96ff0f0548a787ffafee10664a57a8e1 (diff) | |
download | u-boot-imx-88c5c68ffa277bf01b3254cf5a059e2cbe07be97.zip u-boot-imx-88c5c68ffa277bf01b3254cf5a059e2cbe07be97.tar.gz u-boot-imx-88c5c68ffa277bf01b3254cf5a059e2cbe07be97.tar.bz2 |
Merge remote-tracking branch 'origin/master'
Diffstat (limited to 'drivers/i2c/s3c24x0_i2c.c')
-rw-r--r-- | drivers/i2c/s3c24x0_i2c.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c index 9bc4c7f..90d297a 100644 --- a/drivers/i2c/s3c24x0_i2c.c +++ b/drivers/i2c/s3c24x0_i2c.c @@ -27,7 +27,7 @@ */ #include <common.h> -#ifdef CONFIG_EXYNOS5 +#if (defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) #include <asm/arch/clk.h> #include <asm/arch/cpu.h> #else @@ -62,7 +62,7 @@ static unsigned int g_current_bus; /* Stores Current I2C Bus */ -#ifndef CONFIG_EXYNOS5 +#if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) static int GetI2CSDA(void) { struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio(); @@ -121,7 +121,12 @@ static void ReadWriteByte(struct s3c24x0_i2c *i2c) static struct s3c24x0_i2c *get_base_i2c(void) { -#ifdef CONFIG_EXYNOS5 +#ifdef CONFIG_EXYNOS4 + struct s3c24x0_i2c *i2c = (struct s3c24x0_i2c *)(samsung_get_base_i2c() + + (EXYNOS4_I2C_SPACING + * g_current_bus)); + return i2c; +#elif defined CONFIG_EXYNOS5 struct s3c24x0_i2c *i2c = (struct s3c24x0_i2c *)(samsung_get_base_i2c() + (EXYNOS5_I2C_SPACING * g_current_bus)); @@ -134,7 +139,7 @@ static struct s3c24x0_i2c *get_base_i2c(void) static void i2c_ch_init(struct s3c24x0_i2c *i2c, int speed, int slaveadd) { ulong freq, pres = 16, div; -#ifdef CONFIG_EXYNOS5 +#if (defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) freq = get_i2c_clk(); #else freq = get_PCLK(); @@ -188,7 +193,7 @@ unsigned int i2c_get_bus_num(void) void i2c_init(int speed, int slaveadd) { struct s3c24x0_i2c *i2c; -#ifndef CONFIG_EXYNOS5 +#if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio(); #endif int i; @@ -204,7 +209,7 @@ void i2c_init(int speed, int slaveadd) i--; } -#ifndef CONFIG_EXYNOS5 +#if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) if ((readl(&i2c->iicstat) & I2CSTAT_BSY) || GetI2CSDA() == 0) { #ifdef CONFIG_S3C2410 ulong old_gpecon = readl(&gpio->gpecon); @@ -248,7 +253,7 @@ void i2c_init(int speed, int slaveadd) writel(old_gpecon, &gpio->pgcon); #endif } -#endif /* #ifndef CONFIG_EXYNOS5 */ +#endif /* #if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) */ i2c_ch_init(i2c, speed, slaveadd); } |