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Commit | Line | Data |
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d678a59d | 1 | #include <common.h> |
09140113 | 2 | #include <command.h> |
60083261 | 3 | #include <console.h> /* ctrlc */ |
401d1c4f | 4 | #include <pci.h> |
60083261 DE |
5 | #include <asm/io.h> |
6 | ||
7 | #include "hydra.h" | |
8 | ||
9 | enum { | |
10 | HWVER_100 = 0, | |
11 | HWVER_110 = 1, | |
12 | HWVER_120 = 2, | |
13 | }; | |
14 | ||
15 | static struct pci_device_id hydra_supported[] = { | |
16 | { 0x6d5e, 0xcdc1 }, | |
17 | {} | |
18 | }; | |
19 | ||
20 | static struct ihs_fpga *fpga; | |
21 | ||
22 | struct ihs_fpga *get_fpga(void) | |
23 | { | |
24 | return fpga; | |
25 | } | |
26 | ||
27 | void print_hydra_version(uint index) | |
28 | { | |
29 | u32 versions = readl(&fpga->versions); | |
30 | u32 fpga_version = readl(&fpga->fpga_version); | |
31 | ||
32 | uint hardware_version = versions & 0xf; | |
33 | ||
34 | printf("FPGA%u: mapped to %p\n ", index, fpga); | |
35 | ||
36 | switch (hardware_version) { | |
37 | case HWVER_100: | |
38 | printf("HW-Ver 1.00\n"); | |
39 | break; | |
40 | ||
41 | case HWVER_110: | |
42 | printf("HW-Ver 1.10\n"); | |
43 | break; | |
44 | ||
45 | case HWVER_120: | |
46 | printf("HW-Ver 1.20\n"); | |
47 | break; | |
48 | ||
49 | default: | |
50 | printf("HW-Ver %d(not supported)\n", | |
51 | hardware_version); | |
52 | break; | |
53 | } | |
54 | ||
55 | printf(" FPGA V %d.%02d\n", | |
56 | fpga_version / 100, fpga_version % 100); | |
57 | } | |
58 | ||
59 | void hydra_initialize(void) | |
60 | { | |
61 | uint i; | |
62 | pci_dev_t devno; | |
63 | ||
64 | /* Find and probe all the matching PCI devices */ | |
65 | for (i = 0; (devno = pci_find_devices(hydra_supported, i)) >= 0; i++) { | |
66 | u32 val; | |
67 | ||
68 | /* Try to enable I/O accesses and bus-mastering */ | |
69 | val = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; | |
70 | pci_write_config_dword(devno, PCI_COMMAND, val); | |
71 | ||
72 | /* Make sure it worked */ | |
73 | pci_read_config_dword(devno, PCI_COMMAND, &val); | |
74 | if (!(val & PCI_COMMAND_MEMORY)) { | |
75 | puts("Can't enable I/O memory\n"); | |
76 | continue; | |
77 | } | |
78 | if (!(val & PCI_COMMAND_MASTER)) { | |
79 | puts("Can't enable bus-mastering\n"); | |
80 | continue; | |
81 | } | |
82 | ||
83 | /* read FPGA details */ | |
84 | fpga = pci_map_bar(devno, PCI_BASE_ADDRESS_0, | |
85 | PCI_REGION_MEM); | |
86 | ||
87 | print_hydra_version(i); | |
88 | } | |
89 | } | |
90 | ||
91 | #define REFL_PATTERN (0xdededede) | |
92 | #define REFL_PATTERN_INV (~REFL_PATTERN) | |
93 | ||
09140113 | 94 | int do_hydrate(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
60083261 DE |
95 | { |
96 | uint k = 0; | |
97 | void __iomem *pcie2_base = (void __iomem *)(MVEBU_REG_PCIE_BASE + | |
98 | 0x4000); | |
99 | ||
100 | if (!fpga) | |
101 | return -1; | |
102 | ||
103 | while (1) { | |
104 | u32 res; | |
105 | ||
106 | writel(REFL_PATTERN, &fpga->reflection_low); | |
107 | res = readl(&fpga->reflection_low); | |
108 | if (res != REFL_PATTERN_INV) | |
109 | printf("round %u: read %08x, expected %08x\n", | |
110 | k, res, REFL_PATTERN_INV); | |
111 | writel(REFL_PATTERN_INV, &fpga->reflection_low); | |
112 | res = readl(&fpga->reflection_low); | |
113 | if (res != REFL_PATTERN) | |
114 | printf("round %u: read %08x, expected %08x\n", | |
115 | k, res, REFL_PATTERN); | |
116 | ||
117 | res = readl(pcie2_base + 0x118) & 0x1f; | |
118 | if (res) | |
119 | printf("FrstErrPtr %u\n", res); | |
120 | res = readl(pcie2_base + 0x104); | |
121 | if (res) { | |
122 | printf("Uncorrectable Error Status 0x%08x\n", res); | |
123 | writel(res, pcie2_base + 0x104); | |
124 | } | |
125 | ||
126 | if (!(++k % 10000)) | |
127 | printf("round %u\n", k); | |
128 | ||
129 | if (ctrlc()) | |
130 | break; | |
131 | } | |
132 | ||
133 | return 0; | |
134 | } | |
135 | ||
136 | U_BOOT_CMD( | |
137 | hydrate, 1, 0, do_hydrate, | |
138 | "hydra reflection test", | |
139 | "hydra reflection test" | |
140 | ); |