From beb60e777d6b3b8e4c953931263a121595e1b7e4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 8 Jun 2010 16:22:44 -0400 Subject: Blackfin: bf533/bf561 boards: convert to new soft gpio i2c code Use the new common gpio framework to simplify and unify the soft i2c configuration settings. Signed-off-by: Mike Frysinger Acked-by: Heiko Schocher diff --git a/include/configs/bf533-ezkit.h b/include/configs/bf533-ezkit.h index 37a7059..95d3afa 100644 --- a/include/configs/bf533-ezkit.h +++ b/include/configs/bf533-ezkit.h @@ -94,49 +94,10 @@ /* * I2C Settings - * By default PF1 is used as SDA and PF0 as SCL on the Stamp board */ #define CONFIG_SOFT_I2C -#ifdef CONFIG_SOFT_I2C -#define PF_SCL PF0 -#define PF_SDA PF1 -#define I2C_INIT \ - do { \ - *pFIO_DIR |= PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_ACTIVE \ - do { \ - *pFIO_DIR |= PF_SDA; \ - *pFIO_INEN &= ~PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_TRISTATE \ - do { \ - *pFIO_DIR &= ~PF_SDA; \ - *pFIO_INEN |= PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_READ ((*pFIO_FLAG_D & PF_SDA) != 0) -#define I2C_SDA(bit) \ - do { \ - if (bit) \ - *pFIO_FLAG_S = PF_SDA; \ - else \ - *pFIO_FLAG_C = PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_SCL(bit) \ - do { \ - if (bit) \ - *pFIO_FLAG_S = PF_SCL; \ - else \ - *pFIO_FLAG_C = PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ - -#endif +#define CONFIG_SOFT_I2C_GPIO_SCL GPIO_PF0 +#define CONFIG_SOFT_I2C_GPIO_SDA GPIO_PF1 /* diff --git a/include/configs/bf533-stamp.h b/include/configs/bf533-stamp.h index 02c8bc3..f39bfee 100644 --- a/include/configs/bf533-stamp.h +++ b/include/configs/bf533-stamp.h @@ -138,49 +138,10 @@ /* * I2C Settings - * By default PF2 is used as SDA and PF3 as SCL on the Stamp board */ #define CONFIG_SOFT_I2C -#ifdef CONFIG_SOFT_I2C -#define PF_SCL PF3 -#define PF_SDA PF2 -#define I2C_INIT \ - do { \ - *pFIO_DIR |= PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_ACTIVE \ - do { \ - *pFIO_DIR |= PF_SDA; \ - *pFIO_INEN &= ~PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_TRISTATE \ - do { \ - *pFIO_DIR &= ~PF_SDA; \ - *pFIO_INEN |= PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_READ ((*pFIO_FLAG_D & PF_SDA) != 0) -#define I2C_SDA(bit) \ - do { \ - if (bit) \ - *pFIO_FLAG_S = PF_SDA; \ - else \ - *pFIO_FLAG_C = PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_SCL(bit) \ - do { \ - if (bit) \ - *pFIO_FLAG_S = PF_SCL; \ - else \ - *pFIO_FLAG_C = PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ - -#endif +#define CONFIG_SOFT_I2C_GPIO_SCL GPIO_PF3 +#define CONFIG_SOFT_I2C_GPIO_SDA GPIO_PF2 /* diff --git a/include/configs/bf561-ezkit.h b/include/configs/bf561-ezkit.h index 036bfe4..4e293b5 100644 --- a/include/configs/bf561-ezkit.h +++ b/include/configs/bf561-ezkit.h @@ -112,46 +112,8 @@ * I2C Settings */ #define CONFIG_SOFT_I2C -#ifdef CONFIG_SOFT_I2C -#define PF_SCL PF0 -#define PF_SDA PF1 -#define I2C_INIT \ - do { \ - *pFIO0_DIR |= PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_ACTIVE \ - do { \ - *pFIO0_DIR |= PF_SDA; \ - *pFIO0_INEN &= ~PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_TRISTATE \ - do { \ - *pFIO0_DIR &= ~PF_SDA; \ - *pFIO0_INEN |= PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_READ ((*pFIO0_FLAG_D & PF_SDA) != 0) -#define I2C_SDA(bit) \ - do { \ - if (bit) \ - *pFIO0_FLAG_S = PF_SDA; \ - else \ - *pFIO0_FLAG_C = PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_SCL(bit) \ - do { \ - if (bit) \ - *pFIO0_FLAG_S = PF_SCL; \ - else \ - *pFIO0_FLAG_C = PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ - -#endif +#define CONFIG_SOFT_I2C_GPIO_SCL GPIO_PF0 +#define CONFIG_SOFT_I2C_GPIO_SDA GPIO_PF1 /* diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h index 901a32f..4476268 100644 --- a/include/configs/bfin_adi_common.h +++ b/include/configs/bfin_adi_common.h @@ -68,6 +68,7 @@ # endif # if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) # define CONFIG_CMD_I2C +# define CONFIG_SOFT_I2C_READ_REPEATED_START # endif # ifdef CONFIG_SYS_NO_FLASH # undef CONFIG_CMD_FLASH diff --git a/include/configs/blackstamp.h b/include/configs/blackstamp.h index aa33933..85f08ea 100644 --- a/include/configs/blackstamp.h +++ b/include/configs/blackstamp.h @@ -206,32 +206,8 @@ * them yet. You can (and probably should) change these values! */ #ifdef CONFIG_SOFT_I2C - -#define PF_SCL PF9 -#define PF_SDA PF8 - -#define I2C_INIT do { *pFIO_DIR |= PF_SCL; SSYNC(); } while (0) -#define I2C_ACTIVE do { *pFIO_DIR |= PF_SDA; *pFIO_INEN &= ~PF_SDA; SSYNC(); } while (0) -#define I2C_TRISTATE do { *pFIO_DIR &= ~PF_SDA; *pFIO_INEN |= PF_SDA; SSYNC(); } while (0) -#define I2C_READ ((*pFIO_FLAG_D & PF_SDA) != 0) -#define I2C_SDA(bit) \ - do { \ - if (bit) \ - *pFIO_FLAG_S = PF_SDA; \ - else \ - *pFIO_FLAG_C = PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_SCL(bit) \ - do { \ - if (bit) \ - *pFIO_FLAG_S = PF_SCL; \ - else \ - *pFIO_FLAG_C = PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ - +#define CONFIG_SOFT_I2C_GPIO_SCL GPIO_PF9 +#define CONFIG_SOFT_I2C_GPIO_SDA GPIO_PF8 #define CONFIG_SYS_I2C_SPEED 50000 #define CONFIG_SYS_I2C_SLAVE 0xFE #endif diff --git a/include/configs/ibf-dsp561.h b/include/configs/ibf-dsp561.h index 2c0a263..53b5197 100644 --- a/include/configs/ibf-dsp561.h +++ b/include/configs/ibf-dsp561.h @@ -112,33 +112,8 @@ * I2C Settings */ #define CONFIG_SOFT_I2C 1 -#define PF_SCL 0x1/*PF0*/ -#define PF_SDA 0x2/*PF1*/ - -#ifdef CONFIG_SOFT_I2C -#define I2C_INIT do { *pFIO0_DIR |= PF_SCL; SSYNC(); } while (0) -#define I2C_ACTIVE do { *pFIO0_DIR |= PF_SDA; *pFIO0_INEN &= ~PF_SDA; SSYNC(); } while (0) -#define I2C_TRISTATE do { *pFIO0_DIR &= ~PF_SDA; *pFIO0_INEN |= PF_SDA; SSYNC(); } while (0) -#define I2C_READ ((*pFIO0_FLAG_D & PF_SDA) != 0) -#define I2C_SDA(bit) \ - do { \ - if (bit) \ - *pFIO0_FLAG_S = PF_SDA; \ - else \ - *pFIO0_FLAG_C = PF_SDA; \ - SSYNC(); \ - } while (0) -#define I2C_SCL(bit) \ - do { \ - if (bit) \ - *pFIO0_FLAG_S = PF_SCL; \ - else \ - *pFIO0_FLAG_C = PF_SCL; \ - SSYNC(); \ - } while (0) -#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ - -#endif +#define CONFIG_SOFT_I2C_GPIO_SCL GPIO_PF0 +#define CONFIG_SOFT_I2C_GPIO_SDA GPIO_PF1 /* -- cgit v0.10.2