1/* SPDX-License-Identifier: ISC */
2/*
3 * Copyright (c) 2016 Qualcomm Atheros, Inc. All rights reserved.
4 * Copyright (c) 2015 The Linux Foundation. All rights reserved.
5 */
6
7#ifndef _AHB_H_
8#define _AHB_H_
9
10#include <linux/platform_device.h>
11
12struct ath10k_ahb {
13 struct platform_device *pdev;
14 void __iomem *mem;
15 unsigned long mem_len;
16 void __iomem *gcc_mem;
17 void __iomem *tcsr_mem;
18
19 int irq;
20
21 struct clk *cmd_clk;
22 struct clk *ref_clk;
23 struct clk *rtc_clk;
24
25 struct reset_control *core_cold_rst;
26 struct reset_control *radio_cold_rst;
27 struct reset_control *radio_warm_rst;
28 struct reset_control *radio_srif_rst;
29 struct reset_control *cpu_init_rst;
30};
31
32#ifdef CONFIG_ATH10K_AHB
33
34#define ATH10K_GCC_REG_BASE 0x1800000
35#define ATH10K_GCC_REG_SIZE 0x60000
36
37#define ATH10K_TCSR_REG_BASE 0x1900000
38#define ATH10K_TCSR_REG_SIZE 0x80000
39
40#define ATH10K_AHB_GCC_FEPLL_PLL_DIV 0x2f020
41#define ATH10K_AHB_WIFI_SCRATCH_5_REG 0x4f014
42
43#define ATH10K_AHB_WLAN_CORE_ID_REG 0x82030
44
45#define ATH10K_AHB_TCSR_WIFI0_GLB_CFG 0x49000
46#define ATH10K_AHB_TCSR_WIFI1_GLB_CFG 0x49004
47#define TCSR_WIFIX_GLB_CFG_DISABLE_CORE_CLK BIT(25)
48
49#define ATH10K_AHB_TCSR_WCSS0_HALTREQ 0x52000
50#define ATH10K_AHB_TCSR_WCSS1_HALTREQ 0x52010
51#define ATH10K_AHB_TCSR_WCSS0_HALTACK 0x52004
52#define ATH10K_AHB_TCSR_WCSS1_HALTACK 0x52014
53
54#define ATH10K_AHB_AXI_BUS_HALT_TIMEOUT 10 /* msec */
55#define AHB_AXI_BUS_HALT_REQ 1
56#define AHB_AXI_BUS_HALT_ACK 1
57
58#define ATH10K_AHB_CORE_CTRL_CPU_INTR_MASK 1
59
60int ath10k_ahb_init(void);
61void ath10k_ahb_exit(void);
62
63#else /* CONFIG_ATH10K_AHB */
64
65static inline int ath10k_ahb_init(void)
66{
67 return 0;
68}
69
70static inline void ath10k_ahb_exit(void)
71{
72}
73
74#endif /* CONFIG_ATH10K_AHB */
75
76#endif /* _AHB_H_ */
77

source code of linux/drivers/net/wireless/ath/ath10k/ahb.h