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Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/ich.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 22b5419..b863539 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -18,6 +18,8 @@
#include "ich.h"
+DECLARE_GLOBAL_DATA_PTR;
+
#ifdef DEBUG_TRACE
#define debug_trace(fmt, args...) debug(fmt, ##args)
#else
@@ -594,9 +596,6 @@ static int ich_spi_probe(struct udevice *dev)
uint8_t bios_cntl;
int ret;
- /* Check the ICH version */
- plat->ich_version = pch_get_version(dev->parent);
-
ret = ich_init_controller(dev, plat, priv);
if (ret)
return ret;
@@ -658,6 +657,25 @@ static int ich_spi_child_pre_probe(struct udevice *dev)
return 0;
}
+static int ich_spi_ofdata_to_platdata(struct udevice *dev)
+{
+ struct ich_spi_platdata *plat = dev_get_platdata(dev);
+ int ret;
+
+ ret = fdt_node_check_compatible(gd->fdt_blob, dev->of_offset,
+ "intel,ich7-spi");
+ if (ret == 0) {
+ plat->ich_version = PCHV_7;
+ } else {
+ ret = fdt_node_check_compatible(gd->fdt_blob, dev->of_offset,
+ "intel,ich9-spi");
+ if (ret == 0)
+ plat->ich_version = PCHV_9;
+ }
+
+ return ret;
+}
+
static const struct dm_spi_ops ich_spi_ops = {
.xfer = ich_spi_xfer,
.set_speed = ich_spi_set_speed,
@@ -669,7 +687,8 @@ static const struct dm_spi_ops ich_spi_ops = {
};
static const struct udevice_id ich_spi_ids[] = {
- { .compatible = "intel,ich-spi" },
+ { .compatible = "intel,ich7-spi" },
+ { .compatible = "intel,ich9-spi" },
{ }
};
@@ -678,6 +697,7 @@ U_BOOT_DRIVER(ich_spi) = {
.id = UCLASS_SPI,
.of_match = ich_spi_ids,
.ops = &ich_spi_ops,
+ .ofdata_to_platdata = ich_spi_ofdata_to_platdata,
.platdata_auto_alloc_size = sizeof(struct ich_spi_platdata),
.priv_auto_alloc_size = sizeof(struct ich_spi_priv),
.child_pre_probe = ich_spi_child_pre_probe,