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dm: sata: sunxi: Add support for driver model

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Adjust SATA setup to support driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Simon Glass 2017-07-04 13:31:31 -06:00 • committed by Jaehoon Chung
parent 74daf94a23
commit cf7b2e10c9
1 changed files with 58 additions and 3 deletions
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61
board/sunxi/ahci.c
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@ -1,5 +1,6 @@
#include <common.h> #include <common.h>
#include <ahci.h> #include <ahci.h>
#include <dm.h>
#include <scsi.h> #include <scsi.h>
#include <errno.h> #include <errno.h>
#include <asm/io.h> #include <asm/io.h>
@ -13,9 +14,8 @@
/* This magic PHY initialisation was taken from the Allwinner releases /* This magic PHY initialisation was taken from the Allwinner releases
* and Linux driver, but is completely undocumented. * 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; u32 reg_val;
int timeout; int timeout;
@ -70,10 +70,65 @@ static int sunxi_ahci_phy_init(u32 base)
return 0; return 0;
} }
#ifndef CONFIG_DM_SCSI
void scsi_init(void) void scsi_init(void)
{ {
if (sunxi_ahci_phy_init(SUNXI_SATA_BASE) < 0) if (sunxi_ahci_phy_init((u8 *)SUNXI_SATA_BASE) < 0)
return; return;
ahci_init((void __iomem *)SUNXI_SATA_BASE); 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