dm: core: Update device_bind_driver_to_node() to use ofnode

[oweals/u-boot.git] / drivers / spi / ich.c

diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 1acdc88492d358f0ed1de9ac2281f392ede42fa0..bf2e99b5ccbd6c8a18afc5d7513bbeee984f6ab6 100644 (file)
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -119,7 +119,7 @@ static int ich_init_controller(struct udevice *dev,
        void *sbase;
 
        /* SBASE is similar */
-       pch_get_sbase(dev->parent, &sbase_addr);
+       pch_get_spi_base(dev->parent, &sbase_addr);
        sbase = (void *)sbase_addr;
        debug("%s: sbase=%p\n", __func__, sbase);
 
@@ -617,6 +617,22 @@ static int ich_spi_probe(struct udevice *dev)
        return 0;
 }
 
+static int ich_spi_remove(struct udevice *bus)
+{
+       struct ich_spi_priv *ctlr = dev_get_priv(bus);
+
+       /*
+        * Configure SPI controller so that the Linux MTD driver can fully
+        * access the SPI NOR chip
+        */
+       ich_writew(ctlr, SPI_OPPREFIX, ctlr->preop);
+       ich_writew(ctlr, SPI_OPTYPE, ctlr->optype);
+       ich_writel(ctlr, SPI_OPMENU_LOWER, ctlr->opmenu);
+       ich_writel(ctlr, SPI_OPMENU_UPPER, ctlr->opmenu + sizeof(u32));
+
+       return 0;
+}
+
 static int ich_spi_set_speed(struct udevice *bus, uint speed)
 {
        struct ich_spi_priv *priv = dev_get_priv(bus);
@@ -649,10 +665,8 @@ static int ich_spi_child_pre_probe(struct udevice *dev)
         * ICH 7 SPI controller only supports array read command
         * and byte program command for SST flash
         */
-       if (plat->ich_version == ICHV_7) {
-               slave->mode_rx = SPI_RX_SLOW;
-               slave->mode = SPI_TX_BYTE;
-       }
+       if (plat->ich_version == ICHV_7)
+               slave->mode = SPI_RX_SLOW | SPI_TX_BYTE;
 
        return 0;
 }
@@ -660,14 +674,14 @@ static int ich_spi_child_pre_probe(struct udevice *dev)
 static int ich_spi_ofdata_to_platdata(struct udevice *dev)
 {
        struct ich_spi_platdata *plat = dev_get_platdata(dev);
+       int node = dev_of_offset(dev);
        int ret;
 
-       ret = fdt_node_check_compatible(gd->fdt_blob, dev->of_offset,
-                                       "intel,ich7-spi");
+       ret = fdt_node_check_compatible(gd->fdt_blob, node, "intel,ich7-spi");
        if (ret == 0) {
                plat->ich_version = ICHV_7;
        } else {
-               ret = fdt_node_check_compatible(gd->fdt_blob, dev->of_offset,
+               ret = fdt_node_check_compatible(gd->fdt_blob, node,
                                                "intel,ich9-spi");
                if (ret == 0)
                        plat->ich_version = ICHV_9;
@@ -702,4 +716,6 @@ U_BOOT_DRIVER(ich_spi) = {
        .priv_auto_alloc_size = sizeof(struct ich_spi_priv),
        .child_pre_probe = ich_spi_child_pre_probe,
        .probe  = ich_spi_probe,
+       .remove = ich_spi_remove,
+       .flags  = DM_FLAG_OS_PREPARE,
 };