This driver is currently only used on MIPS Malta boards.
Signed-off-by: Daniel Schwierzeck <daniel.schwierz...@gmail.com>
---
drivers/pci/pci_msc01.c | 70 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 69 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/pci_msc01.c b/drivers/pci/pci_msc01.c
index 04838200a8..ad203c86d0 100644
--- a/drivers/pci/pci_msc01.c
+++ b/drivers/pci/pci_msc01.c
@@ -4,7 +4,7 @@
* Author: Paul Burton <paul.bur...@mips.com>
*/
-#include <common.h>
+#include <dm.h>
#include <init.h>
#include <msc01.h>
#include <pci.h>
@@ -62,6 +62,7 @@ static int msc01_config_access(struct msc01_pci_controller
*msc01,
return 0;
}
+#if !IS_ENABLED(CONFIG_DM_PCI)
static int msc01_read_config_dword(struct pci_controller *hose, pci_dev_t dev,
int where, u32 *value)
{
@@ -123,3 +124,70 @@ void msc01_pci_init(void *base, unsigned long sys_bus,
unsigned long sys_phys,
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
}
+#else
+static int msc01_pci_read_config(const struct udevice *dev, pci_dev_t bdf,
+ uint where, ulong *val, enum pci_size_t size)
+{
+ struct msc01_pci_controller *msc01 = dev_get_priv(dev);
+ u32 data = 0;
+
+ if (msc01_config_access(msc01, PCI_ACCESS_READ, bdf, where, &data)) {
+ *val = pci_get_ff(size);
+ return 0;
+ }
+
+ *val = pci_conv_32_to_size(data, where, size);
+ return 0;
+}
+
+static int msc01_pci_write_config(struct udevice *dev, pci_dev_t bdf,
+ uint where, ulong val, enum pci_size_t size)
+{
+ struct msc01_pci_controller *msc01 = dev_get_priv(dev);
+ u32 data = 0;
+
+ if (size == PCI_SIZE_32) {
+ data = val;
+ } else {
+ u32 old;
+
+ if (msc01_config_access(msc01, PCI_ACCESS_READ, bdf, where,
&old))
+ return 0;
+
+ data = pci_conv_size_to_32(old, val, where, size);
+ }
+
+ msc01_config_access(msc01, PCI_ACCESS_WRITE, bdf, where, &data);
+ return 0;
+}
+
+static int msc01_pci_probe(struct udevice *dev)
+{
+ struct msc01_pci_controller *msc01 = dev_get_priv(dev);
+
+ msc01->base = dev_remap_addr(dev);
+ if (!msc01->base)
+ return -EINVAL;
+
+ return 0;
+}
+
+static const struct dm_pci_ops msc01_pci_ops = {
+ .read_config = msc01_pci_read_config,
+ .write_config = msc01_pci_write_config,
+};
+
+static const struct udevice_id msc01_pci_ids[] = {
+ { .compatible = "mips,pci-msc01" },
+ { }
+};
+
+U_BOOT_DRIVER(msc01_pci) = {
+ .name = "msc01_pci",
+ .id = UCLASS_PCI,
+ .of_match = msc01_pci_ids,
+ .ops = &msc01_pci_ops,
+ .probe = msc01_pci_probe,
+ .priv_auto = sizeof(struct msc01_pci_controller),
+};
+#endif
--
2.32.0
