diff options
| author | Heiko Schocher <hs@denx.de> | 2013-01-29 08:53:15 +0100 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2013-07-23 05:54:29 +0200 |
| commit | ea818dbbcd59300b56014ac2d67798a54994eb9b (patch) | |
| tree | fbdedc80f785873f96e79893a1a813504af57580 /include/configs/GEN860T.h | |
| parent | 3f4978c713255c8406875fbdf23ffed1129bc44b (diff) | |
| download | u-boot-imx-ea818dbbcd59300b56014ac2d67798a54994eb9b.zip u-boot-imx-ea818dbbcd59300b56014ac2d67798a54994eb9b.tar.gz u-boot-imx-ea818dbbcd59300b56014ac2d67798a54994eb9b.tar.bz2 | |
i2c, soft-i2c: switch to new multibus/multiadapter support
- added to soft_i2c driver new multibus/multiadpater support
- adapted all config files, which uses this driver
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Diffstat (limited to 'include/configs/GEN860T.h')
| -rw-r--r-- | include/configs/GEN860T.h | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/include/configs/GEN860T.h b/include/configs/GEN860T.h index 9a649ca..cc03d39 100644 --- a/include/configs/GEN860T.h +++ b/include/configs/GEN860T.h @@ -158,26 +158,33 @@ /* * Enable I2C and select the hardware/software driver */ -#define CONFIG_HARD_I2C 1 /* CPM based I2C */ -#undef CONFIG_SOFT_I2C /* Bit-banged I2C */ +#define CONFIG_HARD_I2C 1 /* CPM based I2C */ +#undef CONFIG_SYS_I2C_SOFT /* Bit-banged I2C */ #ifdef CONFIG_HARD_I2C -#define CONFIG_SYS_I2C_SPEED 100000 /* clock speed in Hz */ -#define CONFIG_SYS_I2C_SLAVE 0xFE /* I2C slave address */ +#define CONFIG_SYS_I2C_SPEED 100000 /* clock speed in Hz */ +#define CONFIG_SYS_I2C_SLAVE 0xFE /* I2C slave address */ #endif -#ifdef CONFIG_SOFT_I2C -#define PB_SCL 0x00000020 /* PB 26 */ -#define PB_SDA 0x00000010 /* PB 27 */ -#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) -#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) -#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) -#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) -#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ - else immr->im_cpm.cp_pbdat &= ~PB_SDA -#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ - else immr->im_cpm.cp_pbdat &= ~PB_SCL -#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ +#ifdef CONFIG_SYS_I2C_SOFT +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_SOFT_SPEED 50000 +#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE +#define PB_SCL 0x00000020 /* PB 26 */ +#define PB_SDA 0x00000010 /* PB 27 */ +#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) +#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) +#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) +#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) +#define I2C_SDA(bit) if (bit) \ + immr->im_cpm.cp_pbdat |= PB_SDA; \ + else \ + immr->im_cpm.cp_pbdat &= ~PB_SDA +#define I2C_SCL(bit) if (bit) \ + immr->im_cpm.cp_pbdat |= PB_SCL; \ + else \ + immr->im_cpm.cp_pbdat &= ~PB_SCL +#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ #endif /* |