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sunxi: ehci: Convert to the driver-model

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Convert sunxi-boards which use the sunxi-ehci code to the driver-model.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
This commit is contained in:
Hans de Goede 2015-05-10 14:10:26 +02:00 committed by Simon Glass
parent 58b4048f64
commit 8d837a1f7d
2 changed files with 72 additions and 34 deletions
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3
board/sunxi/Kconfig
View File

@ -556,4 +556,7 @@ config DM_ETH
config DM_SERIAL
default y
config DM_USB
default y if !USB_MUSB_SUNXI
endif

103
drivers/usb/host/ehci-sunxi.c
View File

@ -14,53 +14,88 @@
#include <asm/arch/clock.h>
#include <asm/arch/usb_phy.h>
#include <asm/io.h>
#include <dm.h>
#include "ehci.h"
int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
struct ehci_hcor **hcor)
struct ehci_sunxi_priv {
struct ehci_ctrl ehci;
int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */
int phy_index; /* Index of the usb-phy attached to this hcd */
};
static int ehci_usb_probe(struct udevice *dev)
{
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
int ahb_gate_offset;
struct usb_platdata *plat = dev_get_platdata(dev);
struct ehci_sunxi_priv *priv = dev_get_priv(dev);
struct ehci_hccr *hccr = (struct ehci_hccr *)dev_get_addr(dev);
struct ehci_hcor *hcor;
ahb_gate_offset = index ? AHB_GATE_OFFSET_USB_EHCI1 :
AHB_GATE_OFFSET_USB_EHCI0;
setbits_le32(&ccm->ahb_gate0, 1 << ahb_gate_offset);
/*
* This should go away once we've moved to the driver model for
* clocks resp. phys.
*/
if (hccr == (void *)SUNXI_USB1_BASE) {
priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0;
priv->phy_index = 1;
} else {
priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI1;
priv->phy_index = 2;
}
setbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask);
#ifdef CONFIG_SUNXI_GEN_SUN6I
setbits_le32(&ccm->ahb_reset0_cfg, 1 << ahb_gate_offset);
setbits_le32(&ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
#endif
sunxi_usb_phy_init(index + 1);
sunxi_usb_phy_power_on(index + 1);
sunxi_usb_phy_init(priv->phy_index);
sunxi_usb_phy_power_on(priv->phy_index);
if (index == 0)
*hccr = (void *)SUNXI_USB1_BASE;
else
*hccr = (void *)SUNXI_USB2_BASE;
hcor = (struct ehci_hcor *)((uint32_t)hccr +
HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
*hcor = (struct ehci_hcor *)((uint32_t) *hccr
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
return ehci_register(dev, hccr, hcor, NULL, 0, plat->init_type);
}
debug("sunxi-ehci: init hccr %x and hcor %x hc_length %d\n",
(uint32_t)*hccr, (uint32_t)*hcor,
(uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
static int ehci_usb_remove(struct udevice *dev)
{
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
struct ehci_sunxi_priv *priv = dev_get_priv(dev);
int ret;
ret = ehci_deregister(dev);
if (ret)
return ret;
sunxi_usb_phy_power_off(priv->phy_index);
sunxi_usb_phy_exit(priv->phy_index);
#ifdef CONFIG_SUNXI_GEN_SUN6I
clrbits_le32(&ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
#endif
clrbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask);
return 0;
}
int ehci_hcd_stop(int index)
{
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
int ahb_gate_offset;
static const struct udevice_id ehci_usb_ids[] = {
{ .compatible = "allwinner,sun4i-a10-ehci", },
{ .compatible = "allwinner,sun5i-a13-ehci", },
{ .compatible = "allwinner,sun6i-a31-ehci", },
{ .compatible = "allwinner,sun7i-a20-ehci", },
{ .compatible = "allwinner,sun8i-a23-ehci", },
{ .compatible = "allwinner,sun9i-a80-ehci", },
{ }
};
sunxi_usb_phy_power_off(index + 1);
sunxi_usb_phy_exit(index + 1);
ahb_gate_offset = index ? AHB_GATE_OFFSET_USB_EHCI1 :
AHB_GATE_OFFSET_USB_EHCI0;
#ifdef CONFIG_SUNXI_GEN_SUN6I
clrbits_le32(&ccm->ahb_reset0_cfg, 1 << ahb_gate_offset);
#endif
clrbits_le32(&ccm->ahb_gate0, 1 << ahb_gate_offset);
return 0;
}
U_BOOT_DRIVER(usb_ehci) = {
.name = "ehci_sunxi",
.id = UCLASS_USB,
.of_match = ehci_usb_ids,
.probe = ehci_usb_probe,
.remove = ehci_usb_remove,
.ops = &ehci_usb_ops,
.platdata_auto_alloc_size = sizeof(struct usb_platdata),
.priv_auto_alloc_size = sizeof(struct ehci_sunxi_priv),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};