source: SVN/cambria/redboot/packages/devs/eth/arm/ixdp465/i82559/current/include/ixdp465_i82559.inl @ 1

Last change on this file since 1 was 1, checked in by Tim Harvey, 2 years ago

restored latest version of files from server backup

Signed-off-by: Tim Harvey <tharvey@…>

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1//==========================================================================
2//
3//      ixdp465_i82559.inl
4//
5//      IXDP465 ethernet I/O definitions.
6//
7//==========================================================================
8//####ECOSGPLCOPYRIGHTBEGIN####
9// -------------------------------------------
10// This file is part of eCos, the Embedded Configurable Operating System.
11// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
12//
13// eCos is free software; you can redistribute it and/or modify it under
14// the terms of the GNU General Public License as published by the Free
15// Software Foundation; either version 2 or (at your option) any later version.
16//
17// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18// WARRANTY; without even the implied warranty of MERCHANTABILITY or
19// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
20// for more details.
21//
22// You should have received a copy of the GNU General Public License along
23// with eCos; if not, write to the Free Software Foundation, Inc.,
24// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25//
26// As a special exception, if other files instantiate templates or use macros
27// or inline functions from this file, or you compile this file and link it
28// with other works to produce a work based on this file, this file does not
29// by itself cause the resulting work to be covered by the GNU General Public
30// License. However the source code for this file must still be made available
31// in accordance with section (3) of the GNU General Public License.
32//
33// This exception does not invalidate any other reasons why a work based on
34// this file might be covered by the GNU General Public License.
35//
36// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37// at http://sources.redhat.com/ecos/ecos-license/
38// -------------------------------------------
39//####ECOSGPLCOPYRIGHTEND####
40//==========================================================================
41//#####DESCRIPTIONBEGIN####
42//
43// Author(s):   
44// Contributors:msalter
45// Date:        2002-05-14
46// Purpose:     ixdp465 ethernet definitions
47//####DESCRIPTIONEND####
48//==========================================================================
49
50#include <cyg/hal/hal_intr.h>           // CYGNUM_HAL_INTERRUPT_ETHERNET
51#include <cyg/hal/hal_cache.h>          // HAL_DCACHE_LINE_SIZE
52#include <cyg/hal/plf_io.h>             // CYGARC_UNCACHED_ADDRESS
53
54// Bus hardware takes care of IO endianess issues.
55#define CYGHWR_DEVS_ETH_INTEL_I82559_ENDIAN_NEUTRAL_IO 1
56
57// NB: Bus masters can only get to first 64MB SDRAM
58#define CYGHWR_INTEL_I82559_PCI_VIRT_TO_BUS( _x_ ) \
59                 ((cyg_uint32)CYGARC_VIRT_TO_BUS(_x_))
60
61#define MAX_PACKET_SIZE   1536
62#define SIZEOF_DESCRIPTOR 16
63#define MISC_MEM          1128     // selftest, ioctl and statistics
64
65#define CYGHWR_INTEL_I82559_PCI_MEM_MAP_SIZE \
66  (((MAX_PACKET_SIZE + SIZEOF_DESCRIPTOR) * \
67     (CYGNUM_DEVS_ETH_INTEL_I82559_MAX_TX_DESCRIPTORS + \
68      CYGNUM_DEVS_ETH_INTEL_I82559_MAX_RX_DESCRIPTORS)) + \
69   MISC_MEM)*CYGNUM_DEVS_ETH_INTEL_I82559_DEV_COUNT
70
71// The PCI Window is 64MB starting at 0x00000000, so as long as the bss
72// section is within addresses 0x00000000-0x04000000, pci_mem_buffer[] will be
73// in the true PCI Window.  Because pci_mem_buffer[] is in the bss section,
74// wanted its size to be only as large as required so as to not waste memory.
75// Therefore, had to compute it's size in this file and not in the memory
76// layout files.  So no __pci_window label was ever defined, therefore,
77// CYGMEM_SECTION_pci_window does not exist.  Define CYGMEM_SECTION_pci_window
78// here in order to satisfy the ASSERT within if_i82559.c.
79static char pci_mem_buffer[CYGHWR_INTEL_I82559_PCI_MEM_MAP_SIZE
80                           + HAL_DCACHE_LINE_SIZE];
81
82#define CYGMEM_SECTION_pci_window (((unsigned)pci_mem_buffer         \
83                                       + HAL_DCACHE_LINE_SIZE - 1)   \
84                                   & ~(HAL_DCACHE_LINE_SIZE - 1)) 
85
86#define CYGHWR_INTEL_I82559_PCI_MEM_MAP_BASE \
87  (CYGARC_UNCACHED_ADDRESS(CYGMEM_SECTION_pci_window))
88
89
90#ifdef CYGPKG_DEVS_ETH_ARM_IXDP465_I82559_ETH0
91
92static I82559 i82559_eth0_priv_data = {
93    hardwired_esa: 0,
94#if defined(CYGPKG_REDBOOT) && defined(CYGVAR_DEVS_ETH_I82559_ETH_REDBOOT_HOLDS_ESA_ETH0)
95    mac_address: CYGDAT_DEVS_ETH_ARM_IXDP465_ETH0_DEFAULT_ESA
96#endif
97};
98
99ETH_DRV_SC(i82559_sc0,
100           &i82559_eth0_priv_data,      // Driver specific data
101           CYGDAT_DEVS_ETH_ARM_IXDP465_I82559_ETH0_NAME, // Name for device
102           i82559_start,
103           i82559_stop,
104           i82559_ioctl,
105           i82559_can_send,
106           i82559_send,
107           i82559_recv,
108           i82559_deliver,
109           i82559_poll,
110           i82559_int_vector
111    );
112
113NETDEVTAB_ENTRY(i82559_netdev0,
114                "i82559_" CYGDAT_DEVS_ETH_ARM_IXDP465_I82559_ETH0_NAME,
115                i82559_init,
116                &i82559_sc0);
117#endif // CYGPKG_DEVS_ETH_ARM_IXP425_I82559_ETH0
118
119
120// These arrays are used for sanity checking of pointers
121I82559 *
122i82559_priv_array[CYGNUM_DEVS_ETH_INTEL_I82559_DEV_COUNT] = {
123#ifdef CYGPKG_DEVS_ETH_ARM_IXDP465_I82559_ETH0
124    &i82559_eth0_priv_data,
125#endif
126};
127
128#ifdef CYGDBG_USE_ASSERTS
129// These are only used when assertions are enabled
130cyg_netdevtab_entry_t *
131i82559_netdev_array[CYGNUM_DEVS_ETH_INTEL_I82559_DEV_COUNT] = {
132#ifdef CYGPKG_DEVS_ETH_ARM_IXDP465_I82559_ETH0
133    &i82559_netdev0,
134#endif
135};
136
137struct eth_drv_sc *
138i82559_sc_array[CYGNUM_DEVS_ETH_INTEL_I82559_DEV_COUNT] = {
139#ifdef CYGPKG_DEVS_ETH_ARM_IXDP465_I82559_ETH0
140    &i82559_sc0,
141#endif
142};
143#endif // CYGDBG_USE_ASSERTS
144
145// --------------------------------------------------------------
146// RedBoot configuration options for managing ESAs for us
147
148// Decide whether to have redboot config vars for it...
149#ifdef CYGPKG_REDBOOT
150#include <pkgconf/redboot.h>
151#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
152#ifdef CYGPKG_REDBOOT_NETWORKING
153#include <redboot.h>
154#include <flash_config.h>
155
156#ifdef CYGVAR_DEVS_ETH_I82559_ETH_REDBOOT_HOLDS_ESA_ETH0
157RedBoot_config_option("Network hardware address [MAC] for eth0",
158                      eth0_esa,
159                      ALWAYS_ENABLED, true,
160                      CONFIG_ESA, i82559_eth0_priv_data.mac_address
161    );
162#endif
163
164#endif  // CYGPKG_REDBOOT_NETWORKING
165#endif  // CYGSEM_REDBOOT_FLASH_CONFIG
166#endif  // CYGPKG_REDBOOT
167
168// and initialization code to read them
169// - independent of whether we are building RedBoot right now:
170#ifdef CYGPKG_DEVS_ETH_I82559_ETH_REDBOOT_HOLDS_ESA
171
172#include <cyg/hal/hal_if.h>
173
174#ifndef CONFIG_ESA
175#define CONFIG_ESA (6)
176#endif
177
178#define CYGHWR_DEVS_ETH_INTEL_I82559_GET_ESA( p_i82559, mac_address, ok )       \
179CYG_MACRO_START                                                                 \
180    ok = false;                                                                 \
181    if ( 0 == p_i82559->index )                                                 \
182        ok = CYGACC_CALL_IF_FLASH_CFG_OP( CYGNUM_CALL_IF_FLASH_CFG_GET,         \
183                                          "eth0_esa", mac_address, CONFIG_ESA); \
184    else if ( 1 == p_i82559->index )                                            \
185        ok = CYGACC_CALL_IF_FLASH_CFG_OP( CYGNUM_CALL_IF_FLASH_CFG_GET,         \
186                                          "eth1_esa", mac_address, CONFIG_ESA); \
187CYG_MACRO_END
188
189#endif // CYGPKG_DEVS_ETH_I82559_ETH_REDBOOT_HOLDS_ESA
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