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spi: mpc8xxx: Replace defines with enums

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Replace pre-processor defines with proper enums, and use the BIT macro
where applicable.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Mario Six
2019-04-29 01:58:41 +05:30
committed by Jagan Teki
parent fabe6c4909
commit 6ea9395bf7
1 changed files with 18 additions and 6 deletions
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24
drivers/spi/mpc8xxx_spi.c
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@@ -10,13 +10,25 @@
#include <spi.h> #include <spi.h>
#include <asm/mpc8xxx_spi.h> #include <asm/mpc8xxx_spi.h>
#define SPI_EV_NE (0x80000000 >> 22) /* Receiver Not Empty */ enum {
#define SPI_EV_NF (0x80000000 >> 23) /* Transmitter Not Full */ SPI_EV_NE = BIT(31 - 22), /* Receiver Not Empty */
SPI_EV_NF = BIT(31 - 23), /* Transmitter Not Full */
};
#define SPI_MODE_LOOP (0x80000000 >> 1) /* Loopback mode */ enum {
#define SPI_MODE_REV (0x80000000 >> 5) /* Reverse mode - MSB first */ SPI_MODE_LOOP = BIT(31 - 1), /* Loopback mode */
#define SPI_MODE_MS (0x80000000 >> 6) /* Always master */ SPI_MODE_CI = BIT(31 - 2), /* Clock invert */
#define SPI_MODE_EN (0x80000000 >> 7) /* Enable interface */ 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 #define SPI_TIMEOUT 1000