[U-Boot] [PATCH v2 06/18] spi: mpc8xxx: Replace defines with enums
Mario Six
mario.six at gdsys.cc
Thu Apr 19 12:36:21 UTC 2018
Replace pre-processor defines with proper enums, and use the BIT macro
where applicable.
Signed-off-by: Mario Six <mario.six at gdsys.cc>
---
Changes v1 -> v2:
None
---
drivers/spi/mpc8xxx_spi.c | 26 +++++++++++++++++++-------
1 file changed, 19 insertions(+), 7 deletions(-)
diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c
index 0b81db959e..bd2857ce1a 100644
--- a/drivers/spi/mpc8xxx_spi.c
+++ b/drivers/spi/mpc8xxx_spi.c
@@ -11,13 +11,25 @@
#include <spi.h>
#include <asm/mpc8xxx_spi.h>
-#define SPI_EV_NE (0x80000000 >> 22) /* Receiver Not Empty */
-#define SPI_EV_NF (0x80000000 >> 23) /* Transmitter Not Full */
-
-#define SPI_MODE_LOOP (0x80000000 >> 1) /* Loopback mode */
-#define SPI_MODE_REV (0x80000000 >> 5) /* Reverse mode - MSB first */
-#define SPI_MODE_MS (0x80000000 >> 6) /* Always master */
-#define SPI_MODE_EN (0x80000000 >> 7) /* Enable interface */
+enum {
+ SPI_EV_NE = BIT(31 - 22), /* Receiver Not Empty */
+ SPI_EV_NF = BIT(31 - 23), /* Transmitter Not Full */
+};
+
+enum {
+ SPI_MODE_LOOP = BIT(31 - 1), /* Loopback mode */
+ SPI_MODE_CI = BIT(31 - 2), /* Clock invert */
+ SPI_MODE_CP = BIT(31 - 3), /* Clock phase */
+ SPI_MODE_DIV16 = BIT(31 - 4), /* Divide clock source by 16 */
+ SPI_MODE_REV = BIT(31 - 5), /* Reverse mode - MSB first */
+ SPI_MODE_MS = BIT(31 - 6), /* Always master */
+ SPI_MODE_EN = BIT(31 - 7), /* Enable interface */
+
+ SPI_MODE_LEN_MASK = 0xf00000,
+ SPI_MODE_PM_MASK = 0xf0000,
+
+ SPI_COM_LST = BIT(31 - 9),
+};
#define SPI_TIMEOUT 1000
--
2.16.1
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