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体验新版 GitCode,发现更多精彩内容 >>
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61819012
编写于
4月 13, 2020
作者:
T
Tom Rini
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差异文件
Merge branch 'master' of
git://git.denx.de/u-boot-usb
上级
89148318
9cadf059
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
107 addition
and
0 deletion
+107
-0
drivers/usb/host/Kconfig
drivers/usb/host/Kconfig
+8
-0
drivers/usb/host/Makefile
drivers/usb/host/Makefile
+1
-0
drivers/usb/host/xhci-brcm.c
drivers/usb/host/xhci-brcm.c
+98
-0
未找到文件。
drivers/usb/host/Kconfig
浏览文件 @
61819012
...
...
@@ -88,6 +88,14 @@ config USB_XHCI_FSL
depends on !SPL_NO_USB
help
Enables support for the on-chip xHCI controller on NXP Layerscape SoCs.
config USB_XHCI_BRCM
bool "Broadcom USB3 Host XHCI controller"
depends on DM_USB
help
USB controller based on the Broadcom USB3 IP Core.
Supports USB2/3 functionality.
endif # USB_XHCI_HCD
config USB_EHCI_HCD
...
...
drivers/usb/host/Makefile
浏览文件 @
61819012
...
...
@@ -44,6 +44,7 @@ obj-$(CONFIG_USB_EHCI_RMOBILE) += ehci-rmobile.o
obj-$(CONFIG_USB_EHCI_ZYNQ)
+=
ehci-zynq.o
# xhci
obj-$(CONFIG_USB_XHCI_BRCM)
+=
xhci-brcm.o
obj-$(CONFIG_USB_XHCI_HCD)
+=
xhci.o xhci-mem.o xhci-ring.o
obj-$(CONFIG_USB_XHCI_DWC3)
+=
xhci-dwc3.o
obj-$(CONFIG_USB_XHCI_DWC3_OF_SIMPLE)
+=
dwc3-of-simple.o
...
...
drivers/usb/host/xhci-brcm.c
0 → 100644
浏览文件 @
61819012
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2019 Broadcom.
*/
#include <common.h>
#include <dm.h>
#include <fdtdec.h>
#include <usb.h>
#include <asm/io.h>
#include <usb/xhci.h>
#define DRD2U3H_XHC_REGS_AXIWRA 0xC08
#define DRD2U3H_XHC_REGS_AXIRDA 0xC0C
#define USBAXI_CACHE 0xF
#define USBAXI_PROT 0x8
#define USBAXI_SA_MASK 0x1FF
#define USBAXI_UA_MASK (0x1FF << 16)
#define USBAXI_SA_VAL ((USBAXI_CACHE << 4) | USBAXI_PROT)
#define USBAXI_UA_VAL (USBAXI_SA_VAL << 16)
#define USBAXI_SA_UA_MASK (USBAXI_UA_MASK | USBAXI_SA_MASK)
#define USBAXI_SA_UA_VAL (USBAXI_UA_VAL | USBAXI_SA_VAL)
struct
brcm_xhci_platdata
{
unsigned
int
arcache
;
unsigned
int
awcache
;
void
__iomem
*
hc_base
;
};
static
int
xhci_brcm_probe
(
struct
udevice
*
dev
)
{
struct
brcm_xhci_platdata
*
plat
=
dev_get_platdata
(
dev
);
struct
xhci_hcor
*
hcor
;
struct
xhci_hccr
*
hcd
;
int
len
,
ret
=
0
;
if
(
!
plat
)
{
dev_err
(
dev
,
"Can't get xHCI Plat data
\n
"
);
return
-
ENOMEM
;
}
hcd
=
dev_read_addr_ptr
(
dev
);
if
(
!
hcd
)
{
dev_err
(
dev
,
"Can't get the xHCI register base address
\n
"
);
return
-
ENXIO
;
}
plat
->
hc_base
=
hcd
;
len
=
HC_LENGTH
(
xhci_readl
(
&
hcd
->
cr_capbase
));
hcor
=
(
struct
xhci_hcor
*
)(
plat
->
hc_base
+
len
);
/* Save the default values of AXI read and write attributes */
plat
->
awcache
=
readl
(
plat
->
hc_base
+
DRD2U3H_XHC_REGS_AXIWRA
);
plat
->
arcache
=
readl
(
plat
->
hc_base
+
DRD2U3H_XHC_REGS_AXIRDA
);
/* Enable AXI write attributes */
clrsetbits_le32
(
plat
->
hc_base
+
DRD2U3H_XHC_REGS_AXIWRA
,
USBAXI_SA_UA_MASK
,
USBAXI_SA_UA_VAL
);
/* Enable AXI read attributes */
clrsetbits_le32
(
plat
->
hc_base
+
DRD2U3H_XHC_REGS_AXIRDA
,
USBAXI_SA_UA_MASK
,
USBAXI_SA_UA_VAL
);
ret
=
xhci_register
(
dev
,
hcd
,
hcor
);
if
(
ret
)
dev_err
(
dev
,
"Failed to register xHCI
\n
"
);
return
ret
;
}
static
int
xhci_brcm_deregister
(
struct
udevice
*
dev
)
{
struct
brcm_xhci_platdata
*
plat
=
dev_get_platdata
(
dev
);
/* Restore the default values for AXI read and write attributes */
writel
(
plat
->
awcache
,
plat
->
hc_base
+
DRD2U3H_XHC_REGS_AXIWRA
);
writel
(
plat
->
arcache
,
plat
->
hc_base
+
DRD2U3H_XHC_REGS_AXIRDA
);
return
xhci_deregister
(
dev
);
}
static
const
struct
udevice_id
xhci_brcm_ids
[]
=
{
{
.
compatible
=
"brcm,generic-xhci"
},
{
}
};
U_BOOT_DRIVER
(
usb_xhci
)
=
{
.
name
=
"xhci_brcm"
,
.
id
=
UCLASS_USB
,
.
probe
=
xhci_brcm_probe
,
.
remove
=
xhci_brcm_deregister
,
.
ops
=
&
xhci_usb_ops
,
.
of_match
=
xhci_brcm_ids
,
.
platdata_auto_alloc_size
=
sizeof
(
struct
brcm_xhci_platdata
),
.
priv_auto_alloc_size
=
sizeof
(
struct
xhci_ctrl
),
.
flags
=
DM_FLAG_ALLOC_PRIV_DMA
,
};
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