tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
usb: host: xhci-rcar: Move R-Car reg definitions
Move xhci-rcar reg definitions to a header file for the preparation of adding
support for RZ/G3E XHCI that has different register definitions.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20250916150255.4231-5-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
authored by
Biju Das
and committed by
Greg Kroah-Hartman
f7acd12e
dd0d2618
+50
-44
+49
drivers/usb/host/xhci-rcar-regs.h
+49
drivers/usb/host/xhci-rcar-regs.h
···
1
+
/* SPDX-License-Identifier: GPL-2.0 */
2
+
#ifndef __XHCI_RCAR_H
3
+
#define __XHCI_RCAR_H
4
+
5
+
/*** Register Offset ***/
6
+
#define RCAR_USB3_AXH_STA 0x104 /* AXI Host Control Status */
7
+
#define RCAR_USB3_INT_ENA 0x224 /* Interrupt Enable */
8
+
#define RCAR_USB3_DL_CTRL 0x250 /* FW Download Control & Status */
9
+
#define RCAR_USB3_FW_DATA0 0x258 /* FW Data0 */
10
+
11
+
#define RCAR_USB3_LCLK 0xa44 /* LCLK Select */
12
+
#define RCAR_USB3_CONF1 0xa48 /* USB3.0 Configuration1 */
13
+
#define RCAR_USB3_CONF2 0xa5c /* USB3.0 Configuration2 */
14
+
#define RCAR_USB3_CONF3 0xaa8 /* USB3.0 Configuration3 */
15
+
#define RCAR_USB3_RX_POL 0xab0 /* USB3.0 RX Polarity */
16
+
#define RCAR_USB3_TX_POL 0xab8 /* USB3.0 TX Polarity */
17
+
18
+
/*** Register Settings ***/
19
+
/* AXI Host Control Status */
20
+
#define RCAR_USB3_AXH_STA_B3_PLL_ACTIVE 0x00010000
21
+
#define RCAR_USB3_AXH_STA_B2_PLL_ACTIVE 0x00000001
22
+
#define RCAR_USB3_AXH_STA_PLL_ACTIVE_MASK (RCAR_USB3_AXH_STA_B3_PLL_ACTIVE | \
23
+
RCAR_USB3_AXH_STA_B2_PLL_ACTIVE)
24
+
25
+
/* Interrupt Enable */
26
+
#define RCAR_USB3_INT_XHC_ENA 0x00000001
27
+
#define RCAR_USB3_INT_PME_ENA 0x00000002
28
+
#define RCAR_USB3_INT_HSE_ENA 0x00000004
29
+
#define RCAR_USB3_INT_ENA_VAL (RCAR_USB3_INT_XHC_ENA | \
30
+
RCAR_USB3_INT_PME_ENA | RCAR_USB3_INT_HSE_ENA)
31
+
32
+
/* FW Download Control & Status */
33
+
#define RCAR_USB3_DL_CTRL_ENABLE 0x00000001
34
+
#define RCAR_USB3_DL_CTRL_FW_SUCCESS 0x00000010
35
+
#define RCAR_USB3_DL_CTRL_FW_SET_DATA0 0x00000100
36
+
37
+
/* LCLK Select */
38
+
#define RCAR_USB3_LCLK_ENA_VAL 0x01030001
39
+
40
+
/* USB3.0 Configuration */
41
+
#define RCAR_USB3_CONF1_VAL 0x00030204
42
+
#define RCAR_USB3_CONF2_VAL 0x00030300
43
+
#define RCAR_USB3_CONF3_VAL 0x13802007
44
+
45
+
/* USB3.0 Polarity */
46
+
#define RCAR_USB3_RX_POL_VAL BIT(21)
47
+
#define RCAR_USB3_TX_POL_VAL BIT(4)
48
+
49
+
#endif /* __XHCI_RCAR_H */
+1
-44
drivers/usb/host/xhci-rcar.c
+1
-44
drivers/usb/host/xhci-rcar.c
···
14
14
15
15
#include "xhci.h"
16
16
#include "xhci-plat.h"
17
+
#include "xhci-rcar-regs.h"
17
18
#include "xhci-rzv2m.h"
18
19
19
20
#define XHCI_RCAR_FIRMWARE_NAME_V1 "r8a779x_usb3_v1.dlmem"
···
29
28
*/
30
29
MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V1);
31
30
MODULE_FIRMWARE(XHCI_RCAR_FIRMWARE_NAME_V3);
32
-
33
-
/*** Register Offset ***/
34
-
#define RCAR_USB3_AXH_STA 0x104 /* AXI Host Control Status */
35
-
#define RCAR_USB3_INT_ENA 0x224 /* Interrupt Enable */
36
-
#define RCAR_USB3_DL_CTRL 0x250 /* FW Download Control & Status */
37
-
#define RCAR_USB3_FW_DATA0 0x258 /* FW Data0 */
38
-
39
-
#define RCAR_USB3_LCLK 0xa44 /* LCLK Select */
40
-
#define RCAR_USB3_CONF1 0xa48 /* USB3.0 Configuration1 */
41
-
#define RCAR_USB3_CONF2 0xa5c /* USB3.0 Configuration2 */
42
-
#define RCAR_USB3_CONF3 0xaa8 /* USB3.0 Configuration3 */
43
-
#define RCAR_USB3_RX_POL 0xab0 /* USB3.0 RX Polarity */
44
-
#define RCAR_USB3_TX_POL 0xab8 /* USB3.0 TX Polarity */
45
-
46
-
/*** Register Settings ***/
47
-
/* AXI Host Control Status */
48
-
#define RCAR_USB3_AXH_STA_B3_PLL_ACTIVE 0x00010000
49
-
#define RCAR_USB3_AXH_STA_B2_PLL_ACTIVE 0x00000001
50
-
#define RCAR_USB3_AXH_STA_PLL_ACTIVE_MASK (RCAR_USB3_AXH_STA_B3_PLL_ACTIVE | \
51
-
RCAR_USB3_AXH_STA_B2_PLL_ACTIVE)
52
-
53
-
/* Interrupt Enable */
54
-
#define RCAR_USB3_INT_XHC_ENA 0x00000001
55
-
#define RCAR_USB3_INT_PME_ENA 0x00000002
56
-
#define RCAR_USB3_INT_HSE_ENA 0x00000004
57
-
#define RCAR_USB3_INT_ENA_VAL (RCAR_USB3_INT_XHC_ENA | \
58
-
RCAR_USB3_INT_PME_ENA | RCAR_USB3_INT_HSE_ENA)
59
-
60
-
/* FW Download Control & Status */
61
-
#define RCAR_USB3_DL_CTRL_ENABLE 0x00000001
62
-
#define RCAR_USB3_DL_CTRL_FW_SUCCESS 0x00000010
63
-
#define RCAR_USB3_DL_CTRL_FW_SET_DATA0 0x00000100
64
-
65
-
/* LCLK Select */
66
-
#define RCAR_USB3_LCLK_ENA_VAL 0x01030001
67
-
68
-
/* USB3.0 Configuration */
69
-
#define RCAR_USB3_CONF1_VAL 0x00030204
70
-
#define RCAR_USB3_CONF2_VAL 0x00030300
71
-
#define RCAR_USB3_CONF3_VAL 0x13802007
72
-
73
-
/* USB3.0 Polarity */
74
-
#define RCAR_USB3_RX_POL_VAL BIT(21)
75
-
#define RCAR_USB3_TX_POL_VAL BIT(4)
76
31
77
32
static void xhci_rcar_start_gen2(struct usb_hcd *hcd)
78
33
{