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mpc52xx: Add SPI driver.

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Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
This commit is contained in:
Grzegorz Bernacki
2009-06-12 11:33:52 +02:00
committed by Wolfgang Denk
parent 5ec5529b82
commit 6325b7780d
3 changed files with 128 additions and 0 deletions
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18
include/mpc5xxx.h
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@@ -392,6 +392,24 @@
#define I2C_IF 0x02
#define I2C_RXAK 0x01
/* SPI control register 1 bits */
#define SPI_CR_LSBFE 0x01
#define SPI_CR_SSOE 0x02
#define SPI_CR_CPHA 0x04
#define SPI_CR_CPOL 0x08
#define SPI_CR_MSTR 0x10
#define SPI_CR_SWOM 0x20
#define SPI_CR_SPE 0x40
#define SPI_CR_SPIE 0x80
/* SPI status register bits */
#define SPI_SR_MODF 0x10
#define SPI_SR_WCOL 0x40
#define SPI_SR_SPIF 0x80
/* SPI port data register bits */
#define SPI_PDR_SS 0x08
/* Programmable Serial Controller (PSC) status register bits */
#define PSC_SR_CDE 0x0080
#define PSC_SR_RXRDY 0x0100