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//==========================================================================
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//
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// pci2.c
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//
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// Test PCI library's resource allocation.
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jskov
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// Contributors: jskov
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// Date: 1999-03-17
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// Description: Simple test that prints out information about found
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// PCI devices. Entirely passive - no configuration happens.
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//
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//####DESCRIPTIONEND####
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#include <pkgconf/system.h>
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#include <cyg/infra/diag.h> // diag_printf
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#include <cyg/infra/testcase.h> // test macros
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#include <cyg/infra/cyg_ass.h> // assertion macros
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// Package requirements
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#if defined(CYGPKG_IO_PCI) && defined(CYGPKG_KERNEL)
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#include <pkgconf/kernel.h>
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#include <pkgconf/io_pci.h>
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#include <cyg/io/pci.h>
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#include <cyg/hal/hal_arch.h>
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// Package option requirements
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#if defined(CYGFUN_KERNEL_API_C) && defined(CYG_PCI_PRESENT)
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#include <cyg/kernel/kapi.h>
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unsigned char stack[CYGNUM_HAL_STACK_SIZE_TYPICAL];
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cyg_thread thread_data;
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cyg_handle_t thread_handle;
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void
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pci_test( void )
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{
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cyg_pci_device dev_info;
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CYG_PCI_ADDRESS64 mem_base;
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CYG_PCI_ADDRESS64 mem_assigned_addr;
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CYG_PCI_ADDRESS32 io_base;
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CYG_PCI_ADDRESS32 io_assigned_addr;
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// Verify that space type requests are checked.
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO;
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CYG_TEST_CHECK(!cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
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&mem_assigned_addr),
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"cyg_pci_allocate_memory_priv accepted IO request");
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM;
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CYG_TEST_CHECK(!cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
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&io_assigned_addr),
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"cyg_pci_allocate_io_priv accepted MEM request");
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// Check allocation and alignment of IO space
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io_base = 0x0000;
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// Size 4
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffffc;
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CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
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&io_assigned_addr),
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"cyg_pci_allocate_io_priv(4) failed");
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CYG_TEST_CHECK(0x0004 == io_base,
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"cyg_pci_allocate_io_priv(4) size failed");
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CYG_TEST_CHECK(0x0000 == io_assigned_addr,
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"cyg_pci_allocate_io_priv(4) align failed");
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// Size 8 (alignment required)
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffff8;
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CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
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&io_assigned_addr),
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"cyg_pci_allocate_io_priv(8) failed");
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CYG_TEST_CHECK(0x0010 == io_base,
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"cyg_pci_allocate_io_priv(8) size failed");
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CYG_TEST_CHECK(0x0008 == io_assigned_addr,
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"cyg_pci_allocate_io_priv(8) align failed");
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// Size 16 (no alignment required)
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xfffffff0;
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CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
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&io_assigned_addr),
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"cyg_pci_allocate_io_priv(16) failed");
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CYG_TEST_CHECK(0x0020 == io_base,
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"cyg_pci_allocate_io_priv(16) size failed");
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CYG_TEST_CHECK(0x0010 == io_assigned_addr,
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"cyg_pci_allocate_io_priv(16) align failed");
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// Size 64 (alignment required)
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xffffffc0;
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CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
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&io_assigned_addr),
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"cyg_pci_allocate_io_priv(64) failed");
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CYG_TEST_CHECK(0x0080 == io_base,
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"cyg_pci_allocate_io_priv(64) size failed");
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CYG_TEST_CHECK(0x0040 == io_assigned_addr,
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"cyg_pci_allocate_io_priv(64) align failed");
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// Size 256 (alignment required)
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_IO | 0xffffff00;
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CYG_TEST_CHECK(cyg_pci_allocate_io_priv(&dev_info, 0, &io_base,
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&io_assigned_addr),
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"cyg_pci_allocate_io_priv(256) failed");
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CYG_TEST_CHECK(0x0200 == io_base,
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"cyg_pci_allocate_io_priv(256) size failed");
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CYG_TEST_CHECK(0x0100 == io_assigned_addr,
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"cyg_pci_allocate_io_priv(256) align failed");
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// Check allocation and alignment of MEM space
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mem_base = 0x00000000;
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// Size 16 (no alignment required)
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xfffffff0;
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CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
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&mem_assigned_addr),
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"cyg_pci_allocate_memory_priv(16) failed");
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CYG_TEST_CHECK(0x00000010 == mem_base,
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"cyg_pci_allocate_memory_priv(16) size failed");
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CYG_TEST_CHECK(0x00000000 == mem_assigned_addr,
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"cyg_pci_allocate_memory_priv(16) align failed");
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// Size 64 (alignment required - <1MB)
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dev_info.base_size[0] = (CYG_PCI_CFG_BAR_SPACE_MEM
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| CYG_PRI_CFG_BAR_MEM_TYPE_1M
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| 0xffffffc0);
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CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
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&mem_assigned_addr),
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"cyg_pci_allocate_memory_priv(64/<1MB) failed");
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CYG_TEST_CHECK(0x00000080 == mem_base,
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"cyg_pci_allocate_memory_priv(64/<1MB) size failed");
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CYG_TEST_CHECK(0x00000040 == mem_assigned_addr,
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"cyg_pci_allocate_memory_priv(64/<1MB) align failed");
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// Size 1MB (alignment required)
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xfff00000;
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CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
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&mem_assigned_addr),
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"cyg_pci_allocate_memory_priv(1MB) failed");
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CYG_TEST_CHECK(0x00200000 == mem_base,
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"cyg_pci_allocate_memory_priv(1MB) size failed");
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CYG_TEST_CHECK(0x00100000 == mem_assigned_addr,
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"cyg_pci_allocate_memory_priv(1MB) align failed");
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// Size 16MB (alignment required)
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dev_info.base_size[0] = CYG_PCI_CFG_BAR_SPACE_MEM | 0xff000000;
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CYG_TEST_CHECK(cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
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&mem_assigned_addr),
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"cyg_pci_allocate_memory_priv(16MB) failed");
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CYG_TEST_CHECK(0x02000000 == mem_base,
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"cyg_pci_allocate_memory_priv(16MB) size failed");
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CYG_TEST_CHECK(0x01000000 == mem_assigned_addr,
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"cyg_pci_allocate_memory_priv(16MB) align failed");
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// Size 32 (no alignment required - <1MB - FAILS!)
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// Note: When more clever allocation has been made for the bottom
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// 1MB of PCI memory space, this test needs to be made more elaborate.
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dev_info.base_size[0] = (CYG_PCI_CFG_BAR_SPACE_MEM
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| CYG_PRI_CFG_BAR_MEM_TYPE_1M
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| 0xffffffe0);
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CYG_TEST_CHECK(!cyg_pci_allocate_memory_priv(&dev_info, 0, &mem_base,
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&mem_assigned_addr),
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"cyg_pci_allocate_memory_priv(32/<1MB) unexpectedly worked!");
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// TBD: Check 64bit MEM allocation.
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CYG_TEST_PASS_FINISH("pci2 test OK");
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}
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void
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cyg_start(void)
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{
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CYG_TEST_INIT();
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cyg_thread_create(10, // Priority - just a number
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(cyg_thread_entry_t*)pci_test, // entry
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0, //
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"pci_thread", // Name
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&stack[0], // Stack
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CYGNUM_HAL_STACK_SIZE_TYPICAL, // Size
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&thread_handle, // Handle
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&thread_data // Thread data structure
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);
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cyg_thread_resume(thread_handle);
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cyg_scheduler_start();
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}
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#else // CYGFUN_KERNEL_API_C && CYG_PCI_PRESENT
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#define N_A_MSG "Needs kernel C API & PCI platform support"
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#endif
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#else // CYGPKG_IO_PCI && CYGPKG_KERNEL
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#define N_A_MSG "Needs IO/PCI and Kernel"
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#endif
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#ifdef N_A_MSG
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void
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cyg_start( void )
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{
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CYG_TEST_INIT();
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CYG_TEST_NA( N_A_MSG);
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}
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#endif // N_A_MSG
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// EOF pci1.c
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