tegra: spi: pull register structs out of headers

Move register structs from headers into .c files and use common name.
This is in preparation of making common fdt front end for SPI
drivers.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 61 insertions, 7 deletions

diff --git a/drivers/spi/tegra20_slink.c b/drivers/spi/tegra20_slink.c
index c794054f07..f3b0964488 100644
--- a/drivers/spi/tegra20_slink.c
+++ b/drivers/spi/tegra20_slink.c
@@ -33,8 +33,62 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+/* COMMAND */
+#define SLINK_CMD_ENB			(1 << 31)
+#define SLINK_CMD_GO			(1 << 30)
+#define SLINK_CMD_M_S			(1 << 28)
+#define SLINK_CMD_CK_SDA		(1 << 21)
+#define SLINK_CMD_CS_POL		(1 << 13)
+#define SLINK_CMD_CS_VAL		(1 << 12)
+#define SLINK_CMD_CS_SOFT		(1 << 11)
+#define SLINK_CMD_BIT_LENGTH		(1 << 4)
+#define SLINK_CMD_BIT_LENGTH_MASK	0x0000001F
+/* COMMAND2 */
+#define SLINK_CMD2_TXEN			(1 << 30)
+#define SLINK_CMD2_RXEN			(1 << 31)
+#define SLINK_CMD2_SS_EN		(1 << 18)
+#define SLINK_CMD2_SS_EN_SHIFT		18
+#define SLINK_CMD2_SS_EN_MASK		0x000C0000
+#define SLINK_CMD2_CS_ACTIVE_BETWEEN	(1 << 17)
+/* STATUS */
+#define SLINK_STAT_BSY			(1 << 31)
+#define SLINK_STAT_RDY			(1 << 30)
+#define SLINK_STAT_ERR			(1 << 29)
+#define SLINK_STAT_RXF_FLUSH		(1 << 27)
+#define SLINK_STAT_TXF_FLUSH		(1 << 26)
+#define SLINK_STAT_RXF_OVF		(1 << 25)
+#define SLINK_STAT_TXF_UNR		(1 << 24)
+#define SLINK_STAT_RXF_EMPTY		(1 << 23)
+#define SLINK_STAT_RXF_FULL		(1 << 22)
+#define SLINK_STAT_TXF_EMPTY		(1 << 21)
+#define SLINK_STAT_TXF_FULL		(1 << 20)
+#define SLINK_STAT_TXF_OVF		(1 << 19)
+#define SLINK_STAT_RXF_UNR		(1 << 18)
+#define SLINK_STAT_CUR_BLKCNT		(1 << 15)
+/* STATUS2 */
+#define SLINK_STAT2_RXF_FULL_CNT	(1 << 16)
+#define SLINK_STAT2_TXF_FULL_CNT	(1 << 0)
+
+#define SPI_TIMEOUT		1000
+#define TEGRA_SPI_MAX_FREQ	52000000
+
+struct spi_regs {
+	u32 command;	/* SLINK_COMMAND_0 register  */
+	u32 command2;	/* SLINK_COMMAND2_0 reg */
+	u32 status;	/* SLINK_STATUS_0 register */
+	u32 reserved;	/* Reserved offset 0C */
+	u32 mas_data;	/* SLINK_MAS_DATA_0 reg */
+	u32 slav_data;	/* SLINK_SLAVE_DATA_0 reg */
+	u32 dma_ctl;	/* SLINK_DMA_CTL_0 register */
+	u32 status2;	/* SLINK_STATUS2_0 reg */
+	u32 rsvd[56];	/* 0x20 to 0xFF reserved */
+	u32 tx_fifo;	/* SLINK_TX_FIFO_0 reg off 100h */
+	u32 rsvd2[31];	/* 0x104 to 0x17F reserved */
+	u32 rx_fifo;	/* SLINK_RX_FIFO_0 reg off 180h */
+};
+
 struct tegra_spi_ctrl {
-	struct slink_tegra *regs;
+	struct spi_regs *regs;
 	unsigned int freq;
 	unsigned int mode;
 	int periph_id;
@@ -128,8 +182,8 @@ void spi_init(void)
 		ctrl = &spi_ctrls[i];
 		node = node_list[i];
 
-		ctrl->regs = (struct slink_tegra *)fdtdec_get_addr(gd->fdt_blob,
-								   node, "reg");
+		ctrl->regs = (struct spi_regs *)fdtdec_get_addr(gd->fdt_blob,
+								node, "reg");
 		if ((fdt_addr_t)ctrl->regs == FDT_ADDR_T_NONE) {
 			debug("%s: no slink register found\n", __func__);
 			continue;
@@ -156,7 +210,7 @@ void spi_init(void)
 int spi_claim_bus(struct spi_slave *slave)
 {
 	struct tegra_spi_slave *spi = to_tegra_spi(slave);
-	struct slink_tegra *regs = spi->ctrl->regs;
+	struct spi_regs *regs = spi->ctrl->regs;
 	u32 reg;
 
 	/* Change SPI clock to correct frequency, PLLP_OUT0 source */
@@ -185,7 +239,7 @@ void spi_release_bus(struct spi_slave *slave)
 void spi_cs_activate(struct spi_slave *slave)
 {
 	struct tegra_spi_slave *spi = to_tegra_spi(slave);
-	struct slink_tegra *regs = spi->ctrl->regs;
+	struct spi_regs *regs = spi->ctrl->regs;
 
 	/* CS is negated on Tegra, so drive a 1 to get a 0 */
 	setbits_le32(&regs->command, SLINK_CMD_CS_VAL);
@@ -194,7 +248,7 @@ void spi_cs_activate(struct spi_slave *slave)
 void spi_cs_deactivate(struct spi_slave *slave)
 {
 	struct tegra_spi_slave *spi = to_tegra_spi(slave);
-	struct slink_tegra *regs = spi->ctrl->regs;
+	struct spi_regs *regs = spi->ctrl->regs;
 
 	/* CS is negated on Tegra, so drive a 0 to get a 1 */
 	clrbits_le32(&regs->command, SLINK_CMD_CS_VAL);
@@ -204,7 +258,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
 		const void *data_out, void *data_in, unsigned long flags)
 {
 	struct tegra_spi_slave *spi = to_tegra_spi(slave);
-	struct slink_tegra *regs = spi->ctrl->regs;
+	struct spi_regs *regs = spi->ctrl->regs;
 	u32 reg, tmpdout, tmpdin = 0;
 	const u8 *dout = data_out;
 	u8 *din = data_in;