xref: /openbmc/linux/drivers/net/wireless/ath/ath10k/ahb.h (revision b830f94f)
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 
12 struct 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 
60 int ath10k_ahb_init(void);
61 void ath10k_ahb_exit(void);
62 
63 #else /* CONFIG_ATH10K_AHB */
64 
65 static inline int ath10k_ahb_init(void)
66 {
67 	return 0;
68 }
69 
70 static inline void ath10k_ahb_exit(void)
71 {
72 }
73 
74 #endif /* CONFIG_ATH10K_AHB */
75 
76 #endif /* _AHB_H_ */
77