1 files changed, 81 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91/at91_spi.h b/include/asm-arm/arch-at91/at91_spi.h
new file mode 100644
index 000000000000..f9b9a8464997
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91_spi.h
@@ -0,0 +1,81 @@
+/*
+ * include/asm-arm/arch-at91/at91_spi.h
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * Serial Peripheral Interface (SPI) registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef AT91_SPI_H
+#define AT91_SPI_H
+
+#define AT91_SPI_CR                     0x00            /* Control Register */
+#define         AT91_SPI_SPIEN          (1 <<  0)               /* SPI Enable */
+#define         AT91_SPI_SPIDIS         (1 <<  1)               /* SPI Disable */
+#define         AT91_SPI_SWRST          (1 <<  7)               /* SPI Software Reset */
+#define         AT91_SPI_LASTXFER       (1 << 24)               /* Last Transfer [SAM9261 only] */
+
+#define AT91_SPI_MR                     0x04            /* Mode Register */
+#define         AT91_SPI_MSTR           (1    <<  0)            /* Master/Slave Mode */
+#define         AT91_SPI_PS             (1    <<  1)            /* Peripheral Select */
+#define                 AT91_SPI_PS_FIXED       (0 << 1)
+#define                 AT91_SPI_PS_VARIABLE    (1 << 1)
+#define         AT91_SPI_PCSDEC         (1    <<  2)            /* Chip Select Decode */
+#define         AT91_SPI_DIV32          (1    <<  3)            /* Clock Selection [AT91RM9200 only] */
+#define         AT91_SPI_MODFDIS        (1    <<  4)            /* Mode Fault Detection */
+#define         AT91_SPI_LLB            (1    <<  7)            /* Local Loopback Enable */
+#define         AT91_SPI_PCS            (0xf  << 16)            /* Peripheral Chip Select */
+#define         AT91_SPI_DLYBCS         (0xff << 24)            /* Delay Between Chip Selects */
+
+#define AT91_SPI_RDR            0x08                    /* Receive Data Register */
+#define         AT91_SPI_RD             (0xffff <<  0)          /* Receive Data */
+#define         AT91_SPI_PCS            (0xf    << 16)          /* Peripheral Chip Select */
+
+#define AT91_SPI_TDR            0x0c                    /* Transmit Data Register */
+#define         AT91_SPI_TD             (0xffff <<  0)          /* Transmit Data */
+#define         AT91_SPI_PCS            (0xf    << 16)          /* Peripheral Chip Select */
+#define         AT91_SPI_LASTXFER       (1      << 24)          /* Last Transfer [SAM9261 only] */
+
+#define AT91_SPI_SR             0x10                    /* Status Register */
+#define         AT91_SPI_RDRF           (1 <<  0)               /* Receive Data Register Full */
+#define         AT91_SPI_TDRE           (1 <<  1)               /* Transmit Data Register Full */
+#define         AT91_SPI_MODF           (1 <<  2)               /* Mode Fault Error */
+#define         AT91_SPI_OVRES          (1 <<  3)               /* Overrun Error Status */
+#define         AT91_SPI_ENDRX          (1 <<  4)               /* End of RX buffer */
+#define         AT91_SPI_ENDTX          (1 <<  5)               /* End of TX buffer */
+#define         AT91_SPI_RXBUFF         (1 <<  6)               /* RX Buffer Full */
+#define         AT91_SPI_TXBUFE         (1 <<  7)               /* TX Buffer Empty */
+#define         AT91_SPI_NSSR           (1 <<  8)               /* NSS Rising [SAM9261 only] */
+#define         AT91_SPI_TXEMPTY        (1 <<  9)               /* Transmission Register Empty [SAM9261 only] */
+#define         AT91_SPI_SPIENS         (1 << 16)               /* SPI Enable Status */
+
+#define AT91_SPI_IER            0x14                    /* Interrupt Enable Register */
+#define AT91_SPI_IDR            0x18                    /* Interrupt Disable Register */
+#define AT91_SPI_IMR            0x1c                    /* Interrupt Mask Register */
+
+#define AT91_SPI_CSR(n)         (0x30 + ((n) * 4))      /* Chip Select Registers 0-3 */
+#define         AT91_SPI_CPOL           (1    <<  0)            /* Clock Polarity */
+#define         AT91_SPI_NCPHA          (1    <<  1)            /* Clock Phase */
+#define         AT91_SPI_CSAAT          (1    <<  3)            /* Chip Select Active After Transfer [SAM9261 only] */
+#define         AT91_SPI_BITS           (0xf  <<  4)            /* Bits Per Transfer */
+#define                 AT91_SPI_BITS_8         (0 << 4)
+#define                 AT91_SPI_BITS_9         (1 << 4)
+#define                 AT91_SPI_BITS_10        (2 << 4)
+#define                 AT91_SPI_BITS_11        (3 << 4)
+#define                 AT91_SPI_BITS_12        (4 << 4)
+#define                 AT91_SPI_BITS_13        (5 << 4)
+#define                 AT91_SPI_BITS_14        (6 << 4)
+#define                 AT91_SPI_BITS_15        (7 << 4)
+#define                 AT91_SPI_BITS_16        (8 << 4)
+#define         AT91_SPI_SCBR           (0xff <<  8)            /* Serial Clock Baud Rate */
+#define         AT91_SPI_DLYBS          (0xff << 16)            /* Delay before SPCK */
+#define         AT91_SPI_DLYBCT         (0xff << 24)            /* Delay between Consecutive Transfers */
+
+#endif