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authorSimon Glass <sjg@chromium.org>2017-07-04 13:31:31 -0600
committerJaehoon Chung <jh80.chung@samsung.com>2017-08-01 11:58:01 +0900
commitcf7b2e10c90e09d6f290b7886722b20680b79731 (patch)
treea3c492cd907e7feac49b22f95b3c1125f8bb5059
parent74daf94a2305a7b70fc24511d2ca7dc3358e746d (diff)
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dm: sata: sunxi: Add support for driver model
Adjust SATA setup to support driver model. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
-rw-r--r--board/sunxi/ahci.c61
1 files changed, 58 insertions, 3 deletions
diff --git a/board/sunxi/ahci.c b/board/sunxi/ahci.c
index 522e54ab16..a79b80ca1e 100644
--- a/board/sunxi/ahci.c
+++ b/board/sunxi/ahci.c
@@ -1,5 +1,6 @@
#include <common.h>
#include <ahci.h>
+#include <dm.h>
#include <scsi.h>
#include <errno.h>
#include <asm/io.h>
@@ -13,9 +14,8 @@
/* This magic PHY initialisation was taken from the Allwinner releases
* and Linux driver, but is completely undocumented.
*/
-static int sunxi_ahci_phy_init(u32 base)
+static int sunxi_ahci_phy_init(u8 *reg_base)
{
- u8 *reg_base = (u8 *)base;
u32 reg_val;
int timeout;
@@ -70,10 +70,65 @@ static int sunxi_ahci_phy_init(u32 base)
return 0;
}
+#ifndef CONFIG_DM_SCSI
void scsi_init(void)
{
- if (sunxi_ahci_phy_init(SUNXI_SATA_BASE) < 0)
+ if (sunxi_ahci_phy_init((u8 *)SUNXI_SATA_BASE) < 0)
return;
ahci_init((void __iomem *)SUNXI_SATA_BASE);
}
+#else
+static int sunxi_sata_probe(struct udevice *dev)
+{
+ ulong base;
+ u8 *reg;
+ int ret;
+
+ base = dev_read_addr(dev);
+ if (base == FDT_ADDR_T_NONE) {
+ debug("%s: Failed to find address (err=%d\n)", __func__, ret);
+ return -EINVAL;
+ }
+ reg = (u8 *)base;
+ ret = sunxi_ahci_phy_init(reg);
+ if (ret) {
+ debug("%s: Failed to init phy (err=%d\n)", __func__, ret);
+ return ret;
+ }
+ ret = ahci_probe_scsi(dev, base);
+ if (ret) {
+ debug("%s: Failed to probe (err=%d\n)", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int sunxi_sata_bind(struct udevice *dev)
+{
+ struct udevice *scsi_dev;
+ int ret;
+
+ ret = ahci_bind_scsi(dev, &scsi_dev);
+ if (ret) {
+ debug("%s: Failed to bind (err=%d\n)", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct udevice_id sunxi_ahci_ids[] = {
+ { .compatible = "allwinner,sun4i-a10-ahci" },
+ { }
+};
+
+U_BOOT_DRIVER(ahci_sunxi_drv) = {
+ .name = "ahci_sunxi",
+ .id = UCLASS_AHCI,
+ .of_match = sunxi_ahci_ids,
+ .bind = sunxi_sata_bind,
+ .probe = sunxi_sata_probe,
+};
+#endif