packages/io/pci/v2_0/tests/pci2.c

   1 //==========================================================================
   2 //
   3 //        pci2.c
   4 //
   5 //        Test PCI library's resource allocation.
   6 //
   7 //==========================================================================
   8 //####ECOSGPLCOPYRIGHTBEGIN####
   9 // -------------------------------------------
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  12 //
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  14 // the terms of the GNU General Public License as published by the Free
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  38 // -------------------------------------------
  39 //####ECOSGPLCOPYRIGHTEND####
  40 //==========================================================================
  41 //#####DESCRIPTIONBEGIN####
  42 //
  43 // Author(s):     jskov
  44 // Contributors:  jskov
  45 // Date:          1999-03-17
  46 // Description: Simple test that prints out information about found
  47 //              PCI devices. Entirely passive - no configuration happens.
  48 //
  49 //####DESCRIPTIONEND####
  50
  51 #include <pkgconf/system.h>
  52
  53 #include <cyg/infra/diag.h>             // diag_printf
  54 #include <cyg/infra/testcase.h>         // test macros
  55 #include <cyg/infra/cyg_ass.h>          // assertion macros
  56
  57 // Package requirements
  58 #if defined(CYGPKG_IO_PCI) && defined(CYGPKG_KERNEL)
  59
  60 #include <pkgconf/kernel.h>
  61 #include <pkgconf/io_pci.h>
  62 #include <cyg/io/pci.h>
  63 #include <cyg/hal/hal_arch.h>
  64
  65 // Package option requirements
  66 #if defined(CYGFUN_KERNEL_API_C) && defined(CYG_PCI_PRESENT)
  67
  68 #include <cyg/kernel/kapi.h>
  69
  70 unsigned char stack[CYGNUM_HAL_STACK_SIZE_TYPICAL];
  71 cyg_thread thread_data;
  72 cyg_handle_t thread_handle;
  73
  74 void
  75 pci_test( void )
  76 {
  77     cyg_pci_device dev_info;
  78     CYG_PCI_ADDRESS64 mem_base;
  79     CYG_PCI_ADDRESS64 mem_assigned_addr;
  80     CYG_PCI_ADDRESS32 io_base;
  81     CYG_PCI_ADDRESS32 io_assigned_addr;
  82
  83     // Verify that space type requests are checked.
  84     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO;
  85     CYG_TEST_CHECK(!cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
  86                                                  &mem_assigned_addr),
  87                    "cyg_pci_allocate_memory_priv accepted IO request");
  88     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM;
  89     CYG_TEST_CHECK(!cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
  90                                              &io_assigned_addr),
  91                    "cyg_pci_allocate_io_priv accepted MEM request");
  92
  93     // Check allocation and alignment of IO space
  94     io_base = 0x0000;
  95     // Size 4
  96     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffffc;
  97     CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
  98                                             &io_assigned_addr),
  99                    "cyg_pci_allocate_io_priv(4) failed");
 100     CYG_TEST_CHECK(0x0004 == io_base,
 101                    "cyg_pci_allocate_io_priv(4) size failed");
 102     CYG_TEST_CHECK(0x0000 == io_assigned_addr,
 103                    "cyg_pci_allocate_io_priv(4) align failed");
 104     // Size 8 (alignment required)
 105     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffff8;
 106     CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
 107                                             &io_assigned_addr),
 108                    "cyg_pci_allocate_io_priv(8) failed");
 109     CYG_TEST_CHECK(0x0010 == io_base,
 110                    "cyg_pci_allocate_io_priv(8) size failed");
 111     CYG_TEST_CHECK(0x0008 == io_assigned_addr,
 112                    "cyg_pci_allocate_io_priv(8) align failed");
 113     // Size 16 (no alignment required)
 114     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffff0;
 115     CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
 116                                             &io_assigned_addr),
 117                    "cyg_pci_allocate_io_priv(16) failed");
 118     CYG_TEST_CHECK(0x0020 == io_base,
 119                    "cyg_pci_allocate_io_priv(16) size failed");
 120     CYG_TEST_CHECK(0x0010 == io_assigned_addr,
 121                    "cyg_pci_allocate_io_priv(16) align failed");
 122     // Size 64 (alignment required)
 123     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xffffffc0;
 124     CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
 125                                             &io_assigned_addr),
 126                    "cyg_pci_allocate_io_priv(64) failed");
 127     CYG_TEST_CHECK(0x0080 == io_base,
 128                    "cyg_pci_allocate_io_priv(64) size failed");
 129     CYG_TEST_CHECK(0x0040 == io_assigned_addr,
 130                    "cyg_pci_allocate_io_priv(64) align failed");
 131     // Size 256 (alignment required)
 132     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xffffff00;
 133     CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
 134                                             &io_assigned_addr),
 135                    "cyg_pci_allocate_io_priv(256) failed");
 136     CYG_TEST_CHECK(0x0200 == io_base,
 137                    "cyg_pci_allocate_io_priv(256) size failed");
 138     CYG_TEST_CHECK(0x0100 == io_assigned_addr,
 139                    "cyg_pci_allocate_io_priv(256) align failed");
 140
 141     // Check allocation and alignment of MEM space
 142     mem_base = 0x00000000;
 143     // Size 16 (no alignment required)
 144     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xfffffff0;
 145     CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
 146                                                 &mem_assigned_addr),
 147                    "cyg_pci_allocate_memory_priv(16) failed");
 148     CYG_TEST_CHECK(0x00000010 == mem_base,
 149                    "cyg_pci_allocate_memory_priv(16) size failed");
 150     CYG_TEST_CHECK(0x00000000 == mem_assigned_addr,
 151                    "cyg_pci_allocate_memory_priv(16) align failed");
 152     // Size 64 (alignment required - <1MB)
 153     dev_info.base_size[0] = (CYG_PCI_CFG_BAR_SPACE_MEM
 154                              | CYG_PRI_CFG_BAR_MEM_TYPE_1M
 155                              | 0xffffffc0);
 156     CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
 157                                                 &mem_assigned_addr),
 158                    "cyg_pci_allocate_memory_priv(64/<1MB) failed");
 159     CYG_TEST_CHECK(0x00000080 == mem_base,
 160                    "cyg_pci_allocate_memory_priv(64/<1MB) size failed");
 161     CYG_TEST_CHECK(0x00000040 == mem_assigned_addr,
 162                    "cyg_pci_allocate_memory_priv(64/<1MB) align failed");
 163     // Size 1MB (alignment required)
 164     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xfff00000;
 165     CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
 166                                                 &mem_assigned_addr),
 167                    "cyg_pci_allocate_memory_priv(1MB) failed");
 168     CYG_TEST_CHECK(0x00200000 == mem_base,
 169                    "cyg_pci_allocate_memory_priv(1MB) size failed");
 170     CYG_TEST_CHECK(0x00100000 == mem_assigned_addr,
 171                    "cyg_pci_allocate_memory_priv(1MB) align failed");
 172     // Size 16MB (alignment required)
 173     dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xff000000;
 174     CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
 175                                                 &mem_assigned_addr),
 176                    "cyg_pci_allocate_memory_priv(16MB) failed");
 177     CYG_TEST_CHECK(0x02000000 == mem_base,
 178                    "cyg_pci_allocate_memory_priv(16MB) size failed");
 179     CYG_TEST_CHECK(0x01000000 == mem_assigned_addr,
 180                    "cyg_pci_allocate_memory_priv(16MB) align failed");
 181     // Size 32 (no alignment required - <1MB - FAILS!)
 182     // Note: When more clever allocation has been made for the bottom
 183     // 1MB of PCI memory space, this test needs to be made more elaborate.
 184     dev_info.base_size[0] = (CYG_PCI_CFG_BAR_SPACE_MEM
 185                              | CYG_PRI_CFG_BAR_MEM_TYPE_1M
 186                              | 0xffffffe0);
 187     CYG_TEST_CHECK(!cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
 188                                                  &mem_assigned_addr),
 189                  "cyg_pci_allocate_memory_priv(32/<1MB) unexpectedly worked!");
 190
 191     // TBD: Check 64bit MEM allocation.
 192
 193     CYG_TEST_PASS_FINISH("pci2 test OK");
 194 }
 195
 196 void
 197 cyg_start(void)
 198 {
 199     CYG_TEST_INIT();
 200     cyg_thread_create(10,                   // Priority - just a number
 201                       (cyg_thread_entry_t*)pci_test,         // entry
 202                       0,                    //
 203                       "pci_thread",     // Name
 204                       &stack[0],            // Stack
 205                       CYGNUM_HAL_STACK_SIZE_TYPICAL,           // Size
 206                       &thread_handle,       // Handle
 207                       &thread_data          // Thread data structure
 208         );
 209     cyg_thread_resume(thread_handle);
 210     cyg_scheduler_start();
 211 }
 212
 213 #else // CYGFUN_KERNEL_API_C && CYG_PCI_PRESENT
 214 #define N_A_MSG "Needs kernel C API & PCI platform support"
 215 #endif
 216
 217 #else // CYGPKG_IO_PCI && CYGPKG_KERNEL
 218 #define N_A_MSG "Needs IO/PCI and Kernel"
 219 #endif
 220
 221 #ifdef N_A_MSG
 222 void
 223 cyg_start( void )
 224 {
 225     CYG_TEST_INIT();
 226     CYG_TEST_NA( N_A_MSG);
 227 }
 228 #endif // N_A_MSG
 229
 230 // EOF pci1.c