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authorBryan Wu <bryan.wu@analog.com>2007-07-25 16:58:03 +0800
committerBryan Wu <bryan.wu@analog.com>2007-07-25 16:58:03 +0800
commitd8e715428fe70f5005829d3bad3a0a3fb8a747b2 (patch)
treef9cf0a647720f29b0dfa77ca33a8245815669e34
parent2c95cd71f8df36de4a063cec879d49fb8b462e8e (diff)
Blackfin arch: add BF54x I2C/TWI TWI0 driver support
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
-rw-r--r--drivers/i2c/busses/Kconfig4
-rw-r--r--include/asm-blackfin/mach-bf548/cdefBF54x_base.h33
-rw-r--r--include/asm-blackfin/mach-bf548/irq.h1
3 files changed, 36 insertions, 2 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index da1647869f91..1842f523c23d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -92,9 +92,9 @@ config I2C_AU1550
config I2C_BLACKFIN_TWI
tristate "Blackfin TWI I2C support"
- depends on BF534 || BF536 || BF537
+ depends on BF534 || BF536 || BF537 || BF54x
help
- This is the TWI I2C device driver for Blackfin 534/536/537.
+ This is the TWI I2C device driver for Blackfin 534/536/537/54x.
This driver can also be built as a module. If so, the module
will be called i2c-bfin-twi.
diff --git a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
index 98d35a929116..cdf29e75ea59 100644
--- a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
+++ b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
@@ -242,6 +242,39 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
#define bfin_read_TWI0_RCV_DATA16() bfin_read16(TWI0_RCV_DATA16)
#define bfin_write_TWI0_RCV_DATA16(val) bfin_write16(TWI0_RCV_DATA16, val)
+#define bfin_read_TWI_CLKDIV() bfin_read16(TWI0_CLKDIV)
+#define bfin_write_TWI_CLKDIV(val) bfin_write16(TWI0_CLKDIV, val)
+#define bfin_read_TWI_CONTROL() bfin_read16(TWI0_CONTROL)
+#define bfin_write_TWI_CONTROL(val) bfin_write16(TWI0_CONTROL, val)
+#define bfin_read_TWI_SLAVE_CTRL() bfin_read16(TWI0_SLAVE_CTRL)
+#define bfin_write_TWI_SLAVE_CTRL(val) bfin_write16(TWI0_SLAVE_CTRL, val)
+#define bfin_read_TWI_SLAVE_STAT() bfin_read16(TWI0_SLAVE_STAT)
+#define bfin_write_TWI_SLAVE_STAT(val) bfin_write16(TWI0_SLAVE_STAT, val)
+#define bfin_read_TWI_SLAVE_ADDR() bfin_read16(TWI0_SLAVE_ADDR)
+#define bfin_write_TWI_SLAVE_ADDR(val) bfin_write16(TWI0_SLAVE_ADDR, val)
+#define bfin_read_TWI_MASTER_CTL() bfin_read16(TWI0_MASTER_CTRL)
+#define bfin_write_TWI_MASTER_CTL(val) bfin_write16(TWI0_MASTER_CTRL, val)
+#define bfin_read_TWI_MASTER_STAT() bfin_read16(TWI0_MASTER_STAT)
+#define bfin_write_TWI_MASTER_STAT(val) bfin_write16(TWI0_MASTER_STAT, val)
+#define bfin_read_TWI_MASTER_ADDR() bfin_read16(TWI0_MASTER_ADDR)
+#define bfin_write_TWI_MASTER_ADDR(val) bfin_write16(TWI0_MASTER_ADDR, val)
+#define bfin_read_TWI_INT_STAT() bfin_read16(TWI0_INT_STAT)
+#define bfin_write_TWI_INT_STAT(val) bfin_write16(TWI0_INT_STAT, val)
+#define bfin_read_TWI_INT_MASK() bfin_read16(TWI0_INT_MASK)
+#define bfin_write_TWI_INT_MASK(val) bfin_write16(TWI0_INT_MASK, val)
+#define bfin_read_TWI_FIFO_CTL() bfin_read16(TWI0_FIFO_CTRL)
+#define bfin_write_TWI_FIFO_CTL(val) bfin_write16(TWI0_FIFO_CTRL, val)
+#define bfin_read_TWI_FIFO_STAT() bfin_read16(TWI0_FIFO_STAT)
+#define bfin_write_TWI_FIFO_STAT(val) bfin_write16(TWI0_FIFO_STAT, val)
+#define bfin_read_TWI_XMT_DATA8() bfin_read16(TWI0_XMT_DATA8)
+#define bfin_write_TWI_XMT_DATA8(val) bfin_write16(TWI0_XMT_DATA8, val)
+#define bfin_read_TWI_XMT_DATA16() bfin_read16(TWI0_XMT_DATA16)
+#define bfin_write_TWI_XMT_DATA16(val) bfin_write16(TWI0_XMT_DATA16, val)
+#define bfin_read_TWI_RCV_DATA8() bfin_read16(TWI0_RCV_DATA8)
+#define bfin_write_TWI_RCV_DATA8(val) bfin_write16(TWI0_RCV_DATA8, val)
+#define bfin_read_TWI_RCV_DATA16() bfin_read16(TWI0_RCV_DATA16)
+#define bfin_write_TWI_RCV_DATA16(val) bfin_write16(TWI0_RCV_DATA16, val)
+
/* SPORT0 is not defined in the shared file because it is not available on the ADSP-BF542 and ADSP-BF544 bfin_read_()rocessors */
/* SPORT1 Registers */
diff --git a/include/asm-blackfin/mach-bf548/irq.h b/include/asm-blackfin/mach-bf548/irq.h
index 0b3325bb1fff..e548d3cd81e3 100644
--- a/include/asm-blackfin/mach-bf548/irq.h
+++ b/include/asm-blackfin/mach-bf548/irq.h
@@ -112,6 +112,7 @@ Events (highest priority) EMU 0
#define IRQ_ATAPI_TX BFIN_IRQ(44) /* ATAPI TX (DMA11) Interrupt */
#define IRQ_TWI0 BFIN_IRQ(45) /* TWI0 Interrupt */
#define IRQ_TWI1 BFIN_IRQ(46) /* TWI1 Interrupt */
+#define IRQ_TWI IRQ_TWI0 /* TWI Interrupt */
#define IRQ_CAN0_RX BFIN_IRQ(47) /* CAN0 Receive Interrupt */
#define IRQ_CAN0_TX BFIN_IRQ(48) /* CAN0 Transmit Interrupt */
#define IRQ_MDMAS2 BFIN_IRQ(49) /* MDMA Stream 2 Interrupt */