| Tzachi Perelstein | 585cf17 | 2007-10-23 15:14:41 -0400 | [diff] [blame] | 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> |
| Tzachi Perelstein | c67de5b | 2007-10-23 15:14:42 -0400 | [diff] [blame^] | 16 | #include <asm/timex.h> |
| Tzachi Perelstein | 585cf17 | 2007-10-23 15:14:41 -0400 | [diff] [blame] | 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 | } |
| Tzachi Perelstein | c67de5b | 2007-10-23 15:14:42 -0400 | [diff] [blame^] | 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 | } |