[U-Boot] [PATCH] spi: xilinx: Read reg base address from DTS file

[Siva Durga Prasad Paladugu]

From: Michal Simek <michal.si...@xilinx.com>

Do not use DM with reg base hardcoding.

Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
 drivers/spi/xilinx_spi.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c
index 3e01c66..c557529 100644
--- a/drivers/spi/xilinx_spi.c
+++ b/drivers/spi/xilinx_spi.c
@@ -80,10 +80,6 @@ DECLARE_GLOBAL_DATA_PTR;
 #define CONFIG_XILINX_SPI_IDLE_VAL     GENMASK(7, 0)
 #endif
 
-#ifndef CONFIG_SYS_XILINX_SPI_LIST
-#define CONFIG_SYS_XILINX_SPI_LIST     { CONFIG_SYS_SPI_BASE }
-#endif
-
 #define XILINX_SPI_QUAD_MODE   2
 
 /* xilinx spi register set */
@@ -112,8 +108,6 @@ struct xilinx_spi_priv {
        unsigned int mode;
 };
 
-static unsigned long xilinx_spi_base_list[] = CONFIG_SYS_XILINX_SPI_LIST;
-
 static int xilinx_spi_child_pre_probe(struct udevice *bus)
 {
        struct spi_slave *slave = dev_get_parent_priv(bus);
@@ -134,8 +128,6 @@ static int xilinx_spi_probe(struct udevice *bus)
        struct xilinx_spi_priv *priv = dev_get_priv(bus);
        struct xilinx_spi_regs *regs = priv->regs;
 
-       priv->regs = (struct xilinx_spi_regs *)xilinx_spi_base_list[bus->seq];
-
        writel(SPISSR_RESET_VALUE, &regs->srr);
 
        return 0;
@@ -306,6 +298,18 @@ static const struct dm_spi_ops xilinx_spi_ops = {
        .set_mode       = xilinx_spi_set_mode,
 };
 
+
+static int xilinx_spi_ofdata_to_platdata(struct udevice *bus)
+{
+       struct xilinx_spi_priv *priv = dev_get_priv(bus);
+
+       priv->regs = (struct xilinx_spi_regs *)dev_get_addr(bus);
+
+       debug("%s: regs=%p\n", __func__, priv->regs);
+
+       return 0;
+}
+
 static const struct udevice_id xilinx_spi_ids[] = {
        { .compatible = "xlnx,xps-spi-2.00.a" },
        { .compatible = "xlnx,xps-spi-2.00.b" },
@@ -317,6 +321,7 @@ U_BOOT_DRIVER(xilinx_spi) = {
        .id     = UCLASS_SPI,
        .of_match = xilinx_spi_ids,
        .ops    = &xilinx_spi_ops,
+       .ofdata_to_platdata = xilinx_spi_ofdata_to_platdata,
        .priv_auto_alloc_size = sizeof(struct xilinx_spi_priv),
        .probe  = xilinx_spi_probe,
        .child_pre_probe = xilinx_spi_child_pre_probe,
-- 
2.7.4

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