3 * Texas Instruments Incorporated
5 * Lokesh Vutla <lokeshvutla@ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
10 #ifndef _DRA7_IODELAY_H_
11 #define _DRA7_IODELAY_H_
14 #include <asm/arch/sys_proto.h>
17 #define CFG_REG_0_OFFSET 0xC
18 #define CFG_REG_ROM_READ_SHIFT 1
19 #define CFG_REG_ROM_READ_MASK (1 << 1)
20 #define CFG_REG_CALIB_STRT_SHIFT 0
21 #define CFG_REG_CALIB_STRT_MASK (1 << 0)
22 #define CFG_REG_CALIB_STRT 1
23 #define CFG_REG_CALIB_END 0
24 #define CFG_REG_ROM_READ_START (1 << 1)
25 #define CFG_REG_ROM_READ_END (0 << 1)
28 #define CFG_REG_2_OFFSET 0x14
29 #define CFG_REG_REFCLK_PERIOD_SHIFT 0
30 #define CFG_REG_REFCLK_PERIOD_MASK (0xFFFF << 0)
31 #define CFG_REG_REFCLK_PERIOD 0x2EF
34 #define CFG_REG_8_OFFSET 0x2C
35 #define CFG_IODELAY_UNLOCK_KEY 0x0000AAAA
36 #define CFG_IODELAY_LOCK_KEY 0x0000AAAB
39 #define CFG_REG_3_OFFSET 0x18
40 #define CFG_REG_4_OFFSET 0x1C
41 #define CFG_REG_DLY_CNT_SHIFT 16
42 #define CFG_REG_DLY_CNT_MASK (0xFFFF << 16)
43 #define CFG_REG_REF_CNT_SHIFT 0
44 #define CFG_REG_REF_CNT_MASK (0xFFFF << 0)
46 /* CTRL_CORE_SMA_SW_0 */
47 #define CTRL_ISOLATE_SHIFT 2
48 #define CTRL_ISOLATE_MASK (1 << 2)
50 #define DEISOLATE_IO 0
52 /* CTRL_CORE_SMA_SW_1 */
53 #define RGMII2_ID_MODE_N_MASK (1 << 26)
54 #define RGMII1_ID_MODE_N_MASK (1 << 25)
57 #define PMCTRL_ISOCLK_OVERRIDE_SHIFT 0
58 #define PMCTRL_ISOCLK_OVERRIDE_MASK (1 << 0)
59 #define PMCTRL_ISOCLK_STATUS_SHIFT 1
60 #define PMCTRL_ISOCLK_STATUS_MASK (1 << 1)
61 #define PMCTRL_ISOCLK_OVERRIDE_CTRL 1
62 #define PMCTRL_ISOCLK_NOT_OVERRIDE_CTRL 0
64 #define ERR_CALIBRATE_IODELAY 0x1
65 #define ERR_DEISOLATE_IO 0x2
66 #define ERR_ISOLATE_IO 0x4
67 #define ERR_UPDATE_DELAY 0x8
72 #define CFG_X_SIGNATURE_SHIFT 12
73 #define CFG_X_SIGNATURE_MASK (0x3F << 12)
74 #define CFG_X_LOCK_SHIFT 10
75 #define CFG_X_LOCK_MASK (0x1 << 10)
76 #define CFG_X_COARSE_DLY_SHIFT 5
77 #define CFG_X_COARSE_DLY_MASK (0x1F << 5)
78 #define CFG_X_FINE_DLY_SHIFT 0
79 #define CFG_X_FINE_DLY_MASK (0x1F << 0)
80 #define CFG_X_SIGNATURE 0x29
83 void __recalibrate_iodelay(struct pad_conf_entry const *pad, int npads,
84 struct iodelay_cfg_entry const *iodelay,
86 int __recalibrate_iodelay_start(void);
87 void __recalibrate_iodelay_end(int ret);
89 int do_set_iodelay(u32 base, struct iodelay_cfg_entry const *array,