diff options
Diffstat (limited to 'drivers/usb/host/ehci-sunxi.c')
| -rw-r--r-- | drivers/usb/host/ehci-sunxi.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c index eda9f698d9..41e4d7f908 100644 --- a/drivers/usb/host/ehci-sunxi.c +++ b/drivers/usb/host/ehci-sunxi.c @@ -9,19 +9,29 @@ * SPDX-License-Identifier: GPL-2.0+ */ -#include <asm/arch/usbc.h> #include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/usbc.h> +#include <asm/io.h> #include "ehci.h" int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { - int err; + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + int ahb_gate_offset, err; err = sunxi_usbc_request_resources(index + 1); if (err) return err; + ahb_gate_offset = index ? AHB_GATE_OFFSET_USB_EHCI1 : + AHB_GATE_OFFSET_USB_EHCI0; + setbits_le32(&ccm->ahb_gate0, 1 << ahb_gate_offset); +#ifdef CONFIG_SUNXI_GEN_SUN6I + setbits_le32(&ccm->ahb_reset0_cfg, 1 << ahb_gate_offset); +#endif + sunxi_usbc_enable(index + 1); sunxi_usbc_vbus_enable(index + 1); @@ -39,8 +49,18 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, int ehci_hcd_stop(int index) { + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + int ahb_gate_offset; + sunxi_usbc_vbus_disable(index + 1); sunxi_usbc_disable(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 sunxi_usbc_free_resources(index + 1); } |