Use the new common gpio framework to simplify and unify the soft i2c
configuration settings.
Signed-off-by: Mike Frysinger <vap...@gentoo.org>
---
note: i can run this through the Blackfin tree if you want
include/configs/bf533-ezkit.h | 43 +---------------------------------------
include/configs/bf533-stamp.h | 43 +---------------------------------------
include/configs/bf561-ezkit.h | 42 +--------------------------------------
include/configs/blackstamp.h | 28 +------------------------
include/configs/ibf-dsp561.h | 29 +-------------------------
5 files changed, 10 insertions(+), 175 deletions(-)
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/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
/*
--
1.7.1.1
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