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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>
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1 changed files with 58 additions and 3 deletions
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@ -1,5 +1,6 @@
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#include <common.h>
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#include <ahci.h>
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#include <dm.h>
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#include <scsi.h>
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#include <errno.h>
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#include <asm/io.h>
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@ -13,9 +14,8 @@
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/* This magic PHY initialisation was taken from the Allwinner releases
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* and Linux driver, but is completely undocumented.
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*/
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static int sunxi_ahci_phy_init(u32 base)
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static int sunxi_ahci_phy_init(u8 *reg_base)
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{
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u8 *reg_base = (u8 *)base;
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u32 reg_val;
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int timeout;
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@ -70,10 +70,65 @@ static int sunxi_ahci_phy_init(u32 base)
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return 0;
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}
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#ifndef CONFIG_DM_SCSI
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void scsi_init(void)
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{
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if (sunxi_ahci_phy_init(SUNXI_SATA_BASE) < 0)
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if (sunxi_ahci_phy_init((u8 *)SUNXI_SATA_BASE) < 0)
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return;
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ahci_init((void __iomem *)SUNXI_SATA_BASE);
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}
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#else
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static int sunxi_sata_probe(struct udevice *dev)
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{
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ulong base;
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u8 *reg;
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int ret;
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base = dev_read_addr(dev);
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if (base == FDT_ADDR_T_NONE) {
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debug("%s: Failed to find address (err=%d\n)", __func__, ret);
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return -EINVAL;
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}
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reg = (u8 *)base;
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ret = sunxi_ahci_phy_init(reg);
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if (ret) {
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debug("%s: Failed to init phy (err=%d\n)", __func__, ret);
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return ret;
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}
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ret = ahci_probe_scsi(dev, base);
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if (ret) {
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debug("%s: Failed to probe (err=%d\n)", __func__, ret);
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return ret;
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}
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return 0;
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}
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static int sunxi_sata_bind(struct udevice *dev)
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{
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struct udevice *scsi_dev;
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int ret;
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ret = ahci_bind_scsi(dev, &scsi_dev);
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if (ret) {
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debug("%s: Failed to bind (err=%d\n)", __func__, ret);
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return ret;
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}
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return 0;
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}
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static const struct udevice_id sunxi_ahci_ids[] = {
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{ .compatible = "allwinner,sun4i-a10-ahci" },
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{ }
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};
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U_BOOT_DRIVER(ahci_sunxi_drv) = {
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.name = "ahci_sunxi",
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.id = UCLASS_AHCI,
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.of_match = sunxi_ahci_ids,
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.bind = sunxi_sata_bind,
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.probe = sunxi_sata_probe,
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};
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#endif
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