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9#include <linux/init.h>
10#include <linux/export.h>
11#include <linux/mutex.h>
12#include <linux/err.h>
13#include <linux/clk.h>
14#include <linux/delay.h>
15#include <bcm63xx_cpu.h>
16#include <bcm63xx_io.h>
17#include <bcm63xx_regs.h>
18#include <bcm63xx_reset.h>
19
20#define __GEN_RESET_BITS_TABLE(__cpu) \
21 [BCM63XX_RESET_SPI] = BCM## __cpu ##_RESET_SPI, \
22 [BCM63XX_RESET_ENET] = BCM## __cpu ##_RESET_ENET, \
23 [BCM63XX_RESET_USBH] = BCM## __cpu ##_RESET_USBH, \
24 [BCM63XX_RESET_USBD] = BCM## __cpu ##_RESET_USBD, \
25 [BCM63XX_RESET_DSL] = BCM## __cpu ##_RESET_DSL, \
26 [BCM63XX_RESET_SAR] = BCM## __cpu ##_RESET_SAR, \
27 [BCM63XX_RESET_EPHY] = BCM## __cpu ##_RESET_EPHY, \
28 [BCM63XX_RESET_ENETSW] = BCM## __cpu ##_RESET_ENETSW, \
29 [BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \
30 [BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \
31 [BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \
32 [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT,
33
34#define BCM3368_RESET_SPI SOFTRESET_3368_SPI_MASK
35#define BCM3368_RESET_ENET SOFTRESET_3368_ENET_MASK
36#define BCM3368_RESET_USBH 0
37#define BCM3368_RESET_USBD SOFTRESET_3368_USBS_MASK
38#define BCM3368_RESET_DSL 0
39#define BCM3368_RESET_SAR 0
40#define BCM3368_RESET_EPHY SOFTRESET_3368_EPHY_MASK
41#define BCM3368_RESET_ENETSW 0
42#define BCM3368_RESET_PCM SOFTRESET_3368_PCM_MASK
43#define BCM3368_RESET_MPI SOFTRESET_3368_MPI_MASK
44#define BCM3368_RESET_PCIE 0
45#define BCM3368_RESET_PCIE_EXT 0
46
47#define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK
48#define BCM6328_RESET_ENET 0
49#define BCM6328_RESET_USBH SOFTRESET_6328_USBH_MASK
50#define BCM6328_RESET_USBD SOFTRESET_6328_USBS_MASK
51#define BCM6328_RESET_DSL 0
52#define BCM6328_RESET_SAR SOFTRESET_6328_SAR_MASK
53#define BCM6328_RESET_EPHY SOFTRESET_6328_EPHY_MASK
54#define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK
55#define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK
56#define BCM6328_RESET_MPI 0
57#define BCM6328_RESET_PCIE \
58 (SOFTRESET_6328_PCIE_MASK | \
59 SOFTRESET_6328_PCIE_CORE_MASK | \
60 SOFTRESET_6328_PCIE_HARD_MASK)
61#define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK
62
63#define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK
64#define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK
65#define BCM6338_RESET_USBH SOFTRESET_6338_USBH_MASK
66#define BCM6338_RESET_USBD SOFTRESET_6338_USBS_MASK
67#define BCM6338_RESET_DSL SOFTRESET_6338_ADSL_MASK
68#define BCM6338_RESET_SAR SOFTRESET_6338_SAR_MASK
69#define BCM6338_RESET_EPHY 0
70#define BCM6338_RESET_ENETSW 0
71#define BCM6338_RESET_PCM 0
72#define BCM6338_RESET_MPI 0
73#define BCM6338_RESET_PCIE 0
74#define BCM6338_RESET_PCIE_EXT 0
75
76#define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK
77#define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK
78#define BCM6348_RESET_USBH SOFTRESET_6348_USBH_MASK
79#define BCM6348_RESET_USBD SOFTRESET_6348_USBS_MASK
80#define BCM6348_RESET_DSL SOFTRESET_6348_ADSL_MASK
81#define BCM6348_RESET_SAR SOFTRESET_6348_SAR_MASK
82#define BCM6348_RESET_EPHY 0
83#define BCM6348_RESET_ENETSW 0
84#define BCM6348_RESET_PCM 0
85#define BCM6348_RESET_MPI 0
86#define BCM6348_RESET_PCIE 0
87#define BCM6348_RESET_PCIE_EXT 0
88
89#define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK
90#define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK
91#define BCM6358_RESET_USBH SOFTRESET_6358_USBH_MASK
92#define BCM6358_RESET_USBD 0
93#define BCM6358_RESET_DSL SOFTRESET_6358_ADSL_MASK
94#define BCM6358_RESET_SAR SOFTRESET_6358_SAR_MASK
95#define BCM6358_RESET_EPHY SOFTRESET_6358_EPHY_MASK
96#define BCM6358_RESET_ENETSW 0
97#define BCM6358_RESET_PCM SOFTRESET_6358_PCM_MASK
98#define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK
99#define BCM6358_RESET_PCIE 0
100#define BCM6358_RESET_PCIE_EXT 0
101
102#define BCM6362_RESET_SPI SOFTRESET_6362_SPI_MASK
103#define BCM6362_RESET_ENET 0
104#define BCM6362_RESET_USBH SOFTRESET_6362_USBH_MASK
105#define BCM6362_RESET_USBD SOFTRESET_6362_USBS_MASK
106#define BCM6362_RESET_DSL 0
107#define BCM6362_RESET_SAR SOFTRESET_6362_SAR_MASK
108#define BCM6362_RESET_EPHY SOFTRESET_6362_EPHY_MASK
109#define BCM6362_RESET_ENETSW SOFTRESET_6362_ENETSW_MASK
110#define BCM6362_RESET_PCM SOFTRESET_6362_PCM_MASK
111#define BCM6362_RESET_MPI 0
112#define BCM6362_RESET_PCIE (SOFTRESET_6362_PCIE_MASK | \
113 SOFTRESET_6362_PCIE_CORE_MASK)
114#define BCM6362_RESET_PCIE_EXT SOFTRESET_6362_PCIE_EXT_MASK
115
116#define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK
117#define BCM6368_RESET_ENET 0
118#define BCM6368_RESET_USBH SOFTRESET_6368_USBH_MASK
119#define BCM6368_RESET_USBD SOFTRESET_6368_USBS_MASK
120#define BCM6368_RESET_DSL 0
121#define BCM6368_RESET_SAR SOFTRESET_6368_SAR_MASK
122#define BCM6368_RESET_EPHY SOFTRESET_6368_EPHY_MASK
123#define BCM6368_RESET_ENETSW SOFTRESET_6368_ENETSW_MASK
124#define BCM6368_RESET_PCM SOFTRESET_6368_PCM_MASK
125#define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK
126#define BCM6368_RESET_PCIE 0
127#define BCM6368_RESET_PCIE_EXT 0
128
129
130
131
132static const u32 bcm3368_reset_bits[] = {
133 __GEN_RESET_BITS_TABLE(3368)
134};
135
136static const u32 bcm6328_reset_bits[] = {
137 __GEN_RESET_BITS_TABLE(6328)
138};
139
140static const u32 bcm6338_reset_bits[] = {
141 __GEN_RESET_BITS_TABLE(6338)
142};
143
144static const u32 bcm6348_reset_bits[] = {
145 __GEN_RESET_BITS_TABLE(6348)
146};
147
148static const u32 bcm6358_reset_bits[] = {
149 __GEN_RESET_BITS_TABLE(6358)
150};
151
152static const u32 bcm6362_reset_bits[] = {
153 __GEN_RESET_BITS_TABLE(6362)
154};
155
156static const u32 bcm6368_reset_bits[] = {
157 __GEN_RESET_BITS_TABLE(6368)
158};
159
160const u32 *bcm63xx_reset_bits;
161static int reset_reg;
162
163static int __init bcm63xx_reset_bits_init(void)
164{
165 if (BCMCPU_IS_3368()) {
166 reset_reg = PERF_SOFTRESET_6358_REG;
167 bcm63xx_reset_bits = bcm3368_reset_bits;
168 } else if (BCMCPU_IS_6328()) {
169 reset_reg = PERF_SOFTRESET_6328_REG;
170 bcm63xx_reset_bits = bcm6328_reset_bits;
171 } else if (BCMCPU_IS_6338()) {
172 reset_reg = PERF_SOFTRESET_REG;
173 bcm63xx_reset_bits = bcm6338_reset_bits;
174 } else if (BCMCPU_IS_6348()) {
175 reset_reg = PERF_SOFTRESET_REG;
176 bcm63xx_reset_bits = bcm6348_reset_bits;
177 } else if (BCMCPU_IS_6358()) {
178 reset_reg = PERF_SOFTRESET_6358_REG;
179 bcm63xx_reset_bits = bcm6358_reset_bits;
180 } else if (BCMCPU_IS_6362()) {
181 reset_reg = PERF_SOFTRESET_6362_REG;
182 bcm63xx_reset_bits = bcm6362_reset_bits;
183 } else if (BCMCPU_IS_6368()) {
184 reset_reg = PERF_SOFTRESET_6368_REG;
185 bcm63xx_reset_bits = bcm6368_reset_bits;
186 }
187
188 return 0;
189}
190
191static DEFINE_SPINLOCK(reset_mutex);
192
193static void __bcm63xx_core_set_reset(u32 mask, int enable)
194{
195 unsigned long flags;
196 u32 val;
197
198 if (!mask)
199 return;
200
201 spin_lock_irqsave(&reset_mutex, flags);
202 val = bcm_perf_readl(reset_reg);
203
204 if (enable)
205 val &= ~mask;
206 else
207 val |= mask;
208
209 bcm_perf_writel(val, reset_reg);
210 spin_unlock_irqrestore(&reset_mutex, flags);
211}
212
213void bcm63xx_core_set_reset(enum bcm63xx_core_reset core, int reset)
214{
215 __bcm63xx_core_set_reset(bcm63xx_reset_bits[core], reset);
216}
217EXPORT_SYMBOL(bcm63xx_core_set_reset);
218
219postcore_initcall(bcm63xx_reset_bits_init);
220
