diff options
Diffstat (limited to 'drivers/spi/ich.c')
-rw-r--r-- | drivers/spi/ich.c | 28 |
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, |