[U-Boot] [PATCH v4 6/9] ls102xa: qixis: Add CONFIG_QIXIS_I2C_ACCESS macro

Alison Wang
2014-12-03T07:00:46Z

Through adding CONFIG_QIXIS_I2C_ACCESS macro,
QIXIS_READ(reg)/QIXIS_WRITE(reg, value) can be used
for both i2c and ifc access to QIXIS FPGA. This is
more convenient for coding.

Signed-off-by: Jason Jin <jason.jin@freescale.com>
Signed-off-by: Alison Wang <alison.wang@freescale.com>
---
Change log:
v4: No change.
v3: No change.
v2: No change.

board/freescale/common/qixis.h | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/board/freescale/common/qixis.h b/board/freescale/common/qixis.h
index d8fed14..52d2021 100644
--- a/board/freescale/common/qixis.h
+++ b/board/freescale/common/qixis.h
@@ -100,8 +100,15 @@ u8 qixis_read_i2c(unsigned int reg);
void qixis_write_i2c(unsigned int reg, u8 value);
#endif

+#if defined(CONFIG_QIXIS_I2C_ACCESS) && defined(CONFIG_SYS_I2C_FPGA_ADDR)
+#define QIXIS_READ(reg) qixis_read_i2c(offsetof(struct qixis, reg))
+#define QIXIS_WRITE(reg, value) \
+ qixis_write_i2c(offsetof(struct qixis, reg), value)
+#else
#define QIXIS_READ(reg) qixis_read(offsetof(struct qixis, reg))
#define QIXIS_WRITE(reg, value) qixis_write(offsetof(struct qixis, reg), value)
+#endif
+
#ifdef CONFIG_SYS_I2C_FPGA_ADDR
#define QIXIS_READ_I2C(reg) qixis_read_i2c(offsetof(struct qixis, reg))
#define QIXIS_WRITE_I2C(reg, value) \
--
2.1.0.27.g96db324