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585cf175 TP |
1 | /* |
2 | * arch/arm/mach-orion/common.c | |
3 | * | |
4 | * Core functions for Marvell Orion System On Chip | |
5 | * | |
6 | * Maintainer: Tzachi Perelstein <tzachi@marvell.com> | |
7 | * | |
8 | * This file is licensed under the terms of the GNU General Public | |
9 | * License version 2. This program is licensed "as is" without any | |
10 | * warranty of any kind, whether express or implied. | |
11 | */ | |
12 | ||
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <asm/page.h> | |
c67de5b3 | 16 | #include <asm/timex.h> |
585cf175 TP |
17 | #include <asm/mach/map.h> |
18 | #include <asm/arch/orion.h> | |
19 | #include "common.h" | |
20 | ||
21 | /***************************************************************************** | |
22 | * I/O Address Mapping | |
23 | ****************************************************************************/ | |
24 | static struct map_desc orion_io_desc[] __initdata = { | |
25 | { | |
26 | .virtual = ORION_REGS_BASE, | |
27 | .pfn = __phys_to_pfn(ORION_REGS_BASE), | |
28 | .length = ORION_REGS_SIZE, | |
29 | .type = MT_DEVICE | |
30 | }, | |
31 | { | |
32 | .virtual = ORION_PCIE_IO_BASE, | |
33 | .pfn = __phys_to_pfn(ORION_PCIE_IO_BASE), | |
34 | .length = ORION_PCIE_IO_SIZE, | |
35 | .type = MT_DEVICE | |
36 | }, | |
37 | { | |
38 | .virtual = ORION_PCI_IO_BASE, | |
39 | .pfn = __phys_to_pfn(ORION_PCI_IO_BASE), | |
40 | .length = ORION_PCI_IO_SIZE, | |
41 | .type = MT_DEVICE | |
42 | }, | |
43 | { | |
44 | .virtual = ORION_PCIE_WA_BASE, | |
45 | .pfn = __phys_to_pfn(ORION_PCIE_WA_BASE), | |
46 | .length = ORION_PCIE_WA_SIZE, | |
47 | .type = MT_DEVICE | |
48 | }, | |
49 | }; | |
50 | ||
51 | void __init orion_map_io(void) | |
52 | { | |
53 | iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc)); | |
54 | } | |
c67de5b3 TP |
55 | |
56 | /***************************************************************************** | |
57 | * General | |
58 | ****************************************************************************/ | |
59 | ||
60 | /* | |
61 | * Identify device ID and rev from PCIE configuration header space '0'. | |
62 | */ | |
63 | static void orion_id(u32 *dev, u32 *rev, char **dev_name) | |
64 | { | |
65 | orion_pcie_id(dev, rev); | |
66 | ||
67 | if (*dev == MV88F5281_DEV_ID) { | |
68 | if (*rev == MV88F5281_REV_D2) { | |
69 | *dev_name = "MV88F5281-D2"; | |
70 | } else if (*rev == MV88F5281_REV_D1) { | |
71 | *dev_name = "MV88F5281-D1"; | |
72 | } else { | |
73 | *dev_name = "MV88F5281-Rev-Unsupported"; | |
74 | } | |
75 | } else if (*dev == MV88F5182_DEV_ID) { | |
76 | if (*rev == MV88F5182_REV_A2) { | |
77 | *dev_name = "MV88F5182-A2"; | |
78 | } else { | |
79 | *dev_name = "MV88F5182-Rev-Unsupported"; | |
80 | } | |
81 | } else { | |
82 | *dev_name = "Device-Unknown"; | |
83 | } | |
84 | } | |
85 | ||
86 | void __init orion_init(void) | |
87 | { | |
88 | char *dev_name; | |
89 | u32 dev, rev; | |
90 | ||
91 | orion_id(&dev, &rev, &dev_name); | |
92 | printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION_TCLK); | |
93 | ||
94 | /* | |
95 | * Setup Orion address map | |
96 | */ | |
97 | orion_setup_cpu_wins(); | |
98 | orion_setup_usb_wins(); | |
99 | orion_setup_eth_wins(); | |
100 | orion_setup_pci_wins(); | |
101 | orion_setup_pcie_wins(); | |
102 | if (dev == MV88F5182_DEV_ID) | |
103 | orion_setup_sata_wins(); | |
104 | } |