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Diffstat (limited to 'qemu/roms/u-boot/drivers/spi/davinci_spi.h')
-rw-r--r--qemu/roms/u-boot/drivers/spi/davinci_spi.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/spi/davinci_spi.h b/qemu/roms/u-boot/drivers/spi/davinci_spi.h
new file mode 100644
index 000000000..d4612d352
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/spi/davinci_spi.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Register definitions for the DaVinci SPI Controller
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _DAVINCI_SPI_H_
+#define _DAVINCI_SPI_H_
+
+struct davinci_spi_regs {
+ dv_reg gcr0; /* 0x00 */
+ dv_reg gcr1; /* 0x04 */
+ dv_reg int0; /* 0x08 */
+ dv_reg lvl; /* 0x0c */
+ dv_reg flg; /* 0x10 */
+ dv_reg pc0; /* 0x14 */
+ dv_reg pc1; /* 0x18 */
+ dv_reg pc2; /* 0x1c */
+ dv_reg pc3; /* 0x20 */
+ dv_reg pc4; /* 0x24 */
+ dv_reg pc5; /* 0x28 */
+ dv_reg rsvd[3];
+ dv_reg dat0; /* 0x38 */
+ dv_reg dat1; /* 0x3c */
+ dv_reg buf; /* 0x40 */
+ dv_reg emu; /* 0x44 */
+ dv_reg delay; /* 0x48 */
+ dv_reg def; /* 0x4c */
+ dv_reg fmt0; /* 0x50 */
+ dv_reg fmt1; /* 0x54 */
+ dv_reg fmt2; /* 0x58 */
+ dv_reg fmt3; /* 0x5c */
+ dv_reg intvec0; /* 0x60 */
+ dv_reg intvec1; /* 0x64 */
+};
+
+#define BIT(x) (1 << (x))
+
+/* SPIGCR0 */
+#define SPIGCR0_SPIENA_MASK 0x1
+#define SPIGCR0_SPIRST_MASK 0x0
+
+/* SPIGCR0 */
+#define SPIGCR1_CLKMOD_MASK BIT(1)
+#define SPIGCR1_MASTER_MASK BIT(0)
+#define SPIGCR1_SPIENA_MASK BIT(24)
+
+/* SPIPC0 */
+#define SPIPC0_DIFUN_MASK BIT(11) /* SIMO */
+#define SPIPC0_DOFUN_MASK BIT(10) /* SOMI */
+#define SPIPC0_CLKFUN_MASK BIT(9) /* CLK */
+#define SPIPC0_EN0FUN_MASK BIT(0)
+
+/* SPIFMT0 */
+#define SPIFMT_SHIFTDIR_SHIFT 20
+#define SPIFMT_POLARITY_SHIFT 17
+#define SPIFMT_PHASE_SHIFT 16
+#define SPIFMT_PRESCALE_SHIFT 8
+
+/* SPIDAT1 */
+#define SPIDAT1_CSHOLD_SHIFT 28
+#define SPIDAT1_CSNR_SHIFT 16
+
+/* SPIDELAY */
+#define SPI_C2TDELAY_SHIFT 24
+#define SPI_T2CDELAY_SHIFT 16
+
+/* SPIBUF */
+#define SPIBUF_RXEMPTY_MASK BIT(31)
+#define SPIBUF_TXFULL_MASK BIT(29)
+
+/* SPIDEF */
+#define SPIDEF_CSDEF0_MASK BIT(0)
+
+#define SPI0_BUS 0
+#define SPI0_BASE CONFIG_SYS_SPI_BASE
+/*
+ * Define default SPI0_NUM_CS as 1 for existing platforms that uses this
+ * driver. Platform can configure number of CS using CONFIG_SYS_SPI0_NUM_CS
+ * if more than one CS is supported and by defining CONFIG_SYS_SPI0.
+ */
+#ifndef CONFIG_SYS_SPI0
+#define SPI0_NUM_CS 1
+#else
+#define SPI0_NUM_CS CONFIG_SYS_SPI0_NUM_CS
+#endif
+
+/*
+ * define CONFIG_SYS_SPI1 when platform has spi-1 device (bus #1) and
+ * CONFIG_SYS_SPI1_NUM_CS defines number of CS on this bus
+ */
+#ifdef CONFIG_SYS_SPI1
+#define SPI1_BUS 1
+#define SPI1_NUM_CS CONFIG_SYS_SPI1_NUM_CS
+#define SPI1_BASE CONFIG_SYS_SPI1_BASE
+#endif
+
+/*
+ * define CONFIG_SYS_SPI2 when platform has spi-2 device (bus #2) and
+ * CONFIG_SYS_SPI2_NUM_CS defines number of CS on this bus
+ */
+#ifdef CONFIG_SYS_SPI2
+#define SPI2_BUS 2
+#define SPI2_NUM_CS CONFIG_SYS_SPI2_NUM_CS
+#define SPI2_BASE CONFIG_SYS_SPI2_BASE
+#endif
+
+struct davinci_spi_slave {
+ struct spi_slave slave;
+ struct davinci_spi_regs *regs;
+ unsigned int freq;
+};
+
+static inline struct davinci_spi_slave *to_davinci_spi(struct spi_slave *slave)
+{
+ return container_of(slave, struct davinci_spi_slave, slave);
+}
+
+#endif /* _DAVINCI_SPI_H_ */