forked from openwrt/openwrt
/
342-MIPS-BCM63XX-split-PCIe-reset-signals.patch
156 lines (139 loc) · 5.7 KB
/
342-MIPS-BCM63XX-split-PCIe-reset-signals.patch
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
From 4bdfacdeaf3c988c4f3256c88118893eac640b03 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 8 Dec 2013 14:17:50 +0100
Subject: [PATCH 52/53] MIPS: BCM63XX: split PCIE reset signals
---
arch/mips/bcm63xx/reset.c | 39 ++++++++++++++--------
arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h | 2 ++
arch/mips/pci/pci-bcm63xx.c | 7 ++++
3 files changed, 34 insertions(+), 14 deletions(-)
--- a/arch/mips/bcm63xx/reset.c
+++ b/arch/mips/bcm63xx/reset.c
@@ -29,7 +29,9 @@
[BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \
[BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \
[BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \
- [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT,
+ [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT, \
+ [BCM63XX_RESET_PCIE_CORE] = BCM## __cpu ##_RESET_PCIE_CORE, \
+ [BCM63XX_RESET_PCIE_HARD] = BCM## __cpu ##_RESET_PCIE_HARD,
#define BCM3368_RESET_SPI SOFTRESET_3368_SPI_MASK
#define BCM3368_RESET_ENET SOFTRESET_3368_ENET_MASK
@@ -43,6 +45,8 @@
#define BCM3368_RESET_MPI SOFTRESET_3368_MPI_MASK
#define BCM3368_RESET_PCIE 0
#define BCM3368_RESET_PCIE_EXT 0
+#define BCM3368_RESET_PCIE_CORE 0
+#define BCM3368_RESET_PCIE_HARD 0
#define BCM6318_RESET_SPI SOFTRESET_6318_SPI_MASK
@@ -55,11 +59,10 @@
#define BCM6318_RESET_ENETSW SOFTRESET_6318_ENETSW_MASK
#define BCM6318_RESET_PCM 0
#define BCM6318_RESET_MPI 0
-#define BCM6318_RESET_PCIE \
- (SOFTRESET_6318_PCIE_MASK | \
- SOFTRESET_6318_PCIE_CORE_MASK | \
- SOFTRESET_6318_PCIE_HARD_MASK)
+#define BCM6318_RESET_PCIE SOFTRESET_6318_PCIE_MASK
#define BCM6318_RESET_PCIE_EXT SOFTRESET_6318_PCIE_EXT_MASK
+#define BCM6318_RESET_PCIE_CORE SOFTRESET_6318_PCIE_CORE_MASK
+#define BCM6318_RESET_PCIE_HARD SOFTRESET_6318_PCIE_HARD_MASK
#define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK
#define BCM6328_RESET_ENET 0
@@ -71,11 +74,10 @@
#define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK
#define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK
#define BCM6328_RESET_MPI 0
-#define BCM6328_RESET_PCIE \
- (SOFTRESET_6328_PCIE_MASK | \
- SOFTRESET_6328_PCIE_CORE_MASK | \
- SOFTRESET_6328_PCIE_HARD_MASK)
+#define BCM6328_RESET_PCIE SOFTRESET_6328_PCIE_MASK
#define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK
+#define BCM6328_RESET_PCIE_CORE SOFTRESET_6328_PCIE_CORE_MASK
+#define BCM6328_RESET_PCIE_HARD SOFTRESET_6328_PCIE_HARD_MASK
#define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK
#define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK
@@ -89,6 +91,8 @@
#define BCM6338_RESET_MPI 0
#define BCM6338_RESET_PCIE 0
#define BCM6338_RESET_PCIE_EXT 0
+#define BCM6338_RESET_PCIE_CORE 0
+#define BCM6338_RESET_PCIE_HARD 0
#define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK
#define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK
@@ -102,6 +106,8 @@
#define BCM6348_RESET_MPI 0
#define BCM6348_RESET_PCIE 0
#define BCM6348_RESET_PCIE_EXT 0
+#define BCM6348_RESET_PCIE_CORE 0
+#define BCM6348_RESET_PCIE_HARD 0
#define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK
#define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK
@@ -115,6 +121,8 @@
#define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK
#define BCM6358_RESET_PCIE 0
#define BCM6358_RESET_PCIE_EXT 0
+#define BCM6358_RESET_PCIE_CORE 0
+#define BCM6358_RESET_PCIE_HARD 0
#define BCM6362_RESET_SPI SOFTRESET_6362_SPI_MASK
#define BCM6362_RESET_ENET 0
@@ -126,9 +134,10 @@
#define BCM6362_RESET_ENETSW SOFTRESET_6362_ENETSW_MASK
#define BCM6362_RESET_PCM SOFTRESET_6362_PCM_MASK
#define BCM6362_RESET_MPI 0
-#define BCM6362_RESET_PCIE (SOFTRESET_6362_PCIE_MASK | \
- SOFTRESET_6362_PCIE_CORE_MASK)
+#define BCM6362_RESET_PCIE SOFTRESET_6362_PCIE_MASK
#define BCM6362_RESET_PCIE_EXT SOFTRESET_6362_PCIE_EXT_MASK
+#define BCM6362_RESET_PCIE_CORE SOFTRESET_6362_PCIE_CORE_MASK
+#define BCM6362_RESET_PCIE_HARD 0
#define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK
#define BCM6368_RESET_ENET 0
@@ -142,6 +151,8 @@
#define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK
#define BCM6368_RESET_PCIE 0
#define BCM6368_RESET_PCIE_EXT 0
+#define BCM6368_RESET_PCIE_CORE 0
+#define BCM6368_RESET_PCIE_HARD 0
#define BCM63268_RESET_SPI SOFTRESET_63268_SPI_MASK
#define BCM63268_RESET_ENET 0
@@ -153,10 +164,10 @@
#define BCM63268_RESET_ENETSW SOFTRESET_63268_ENETSW_MASK
#define BCM63268_RESET_PCM SOFTRESET_63268_PCM_MASK
#define BCM63268_RESET_MPI 0
-#define BCM63268_RESET_PCIE (SOFTRESET_63268_PCIE_MASK | \
- SOFTRESET_63268_PCIE_CORE_MASK | \
- SOFTRESET_63268_PCIE_HARD_MASK)
+#define BCM63268_RESET_PCIE SOFTRESET_63268_PCIE_MASK
#define BCM63268_RESET_PCIE_EXT SOFTRESET_63268_PCIE_EXT_MASK
+#define BCM63268_RESET_PCIE_CORE SOFTRESET_63268_PCIE_CORE_MASK
+#define BCM63268_RESET_PCIE_HARD SOFTRESET_63268_PCIE_HARD_MASK
/*
* core reset bits
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h
@@ -15,6 +15,8 @@ enum bcm63xx_core_reset {
BCM63XX_RESET_MPI,
BCM63XX_RESET_PCIE,
BCM63XX_RESET_PCIE_EXT,
+ BCM63XX_RESET_PCIE_CORE,
+ BCM63XX_RESET_PCIE_HARD,
};
void bcm63xx_core_set_reset(enum bcm63xx_core_reset, int reset);
--- a/arch/mips/pci/pci-bcm63xx.c
+++ b/arch/mips/pci/pci-bcm63xx.c
@@ -135,9 +135,16 @@ static void __init bcm63xx_reset_pcie(vo
/* reset the PCIe core */
bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 1);
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_CORE, 1);
bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 1);
+ if (BCMCPU_IS_6328() || BCMCPU_IS_63268()) {
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_HARD, 1);
+ mdelay(10);
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_HARD, 0);
+ }
mdelay(10);
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_CORE, 0);
bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 0);
mdelay(10);