Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / include / asm / arch-kirkwood / spi.h

diff --git a/qemu/roms/u-boot/arch/arm/include/asm/arch-kirkwood/spi.h b/qemu/roms/u-boot/arch/arm/include/asm/arch-kirkwood/spi.h
new file mode 100644 (file)
index 0000000..b1cf614
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/include/asm/arch-kirkwood/spi.h
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * Derived from drivers/spi/mpc8xxx_spi.c
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __KW_SPI_H__
+#define __KW_SPI_H__
+
+/* SPI Registers on kirkwood SOC */
+struct kwspi_registers {
+       u32 ctrl;       /* 0x10600 */
+       u32 cfg;        /* 0x10604 */
+       u32 dout;       /* 0x10608 */
+       u32 din;        /* 0x1060c */
+       u32 irq_cause;  /* 0x10610 */
+       u32 irq_mask;   /* 0x10614 */
+};
+
+/* They are used to define CONFIG_SYS_KW_SPI_MPP
+ * each of the below #defines selects which mpp is
+ * configured for each SPI signal in spi_claim_bus
+ * bit 0: selects pin for MOSI (MPP1 if 0, MPP6 if 1)
+ * bit 1: selects pin for SCK (MPP2 if 0, MPP10 if 1)
+ * bit 2: selects pin for MISO (MPP3 if 0, MPP11 if 1)
+ */
+#define MOSI_MPP6      (1 << 0)
+#define SCK_MPP10      (1 << 1)
+#define MISO_MPP11     (1 << 2)
+
+#define KWSPI_CLKPRESCL_MASK   0x1f
+#define KWSPI_CLKPRESCL_MIN    0x12
+#define KWSPI_CSN_ACT          1 /* Activates serial memory interface */
+#define KWSPI_SMEMRDY          (1 << 1) /* SerMem Data xfer ready */
+#define KWSPI_IRQUNMASK                1 /* unmask SPI interrupt */
+#define KWSPI_IRQMASK          0 /* mask SPI interrupt */
+#define KWSPI_SMEMRDIRQ                1 /* SerMem data xfer ready irq */
+#define KWSPI_XFERLEN_1BYTE    0
+#define KWSPI_XFERLEN_2BYTE    (1 << 5)
+#define KWSPI_XFERLEN_MASK     (1 << 5)
+#define KWSPI_ADRLEN_1BYTE     0
+#define KWSPI_ADRLEN_2BYTE     1 << 8
+#define KWSPI_ADRLEN_3BYTE     2 << 8
+#define KWSPI_ADRLEN_4BYTE     3 << 8
+#define KWSPI_ADRLEN_MASK      3 << 8
+#define KWSPI_TIMEOUT          10000
+
+#endif /* __KW_SPI_H__ */