1/*-
2 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * This software is derived from software provide by Kwikbyte who specifically
25 * disclaimed copyright on the code.
26 *
| 1/*-
2 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * This software is derived from software provide by Kwikbyte who specifically
25 * disclaimed copyright on the code.
26 *
|
27 * $FreeBSD: head/sys/boot/arm/at91/libat91/emac_init.c 161370 2006-08-16 23:39:58Z imp $
| 27 * $FreeBSD: head/sys/boot/arm/at91/libat91/emac_init.c 163533 2006-10-20 09:12:05Z imp $
|
28 */
29
30/******************************************************************************
31 *
32 * Filename: emac.c
33 *
34 * Instantiation of routines for MAC/ethernet functions supporting tftp.
35 *
36 * Revision information:
37 *
38 * 28AUG2004 kb_admin initial creation
39 * 08JAN2005 kb_admin added tftp download
40 * also adapted from external sources
41 *
42 * BEGIN_KBDD_BLOCK
43 * No warranty, expressed or implied, is included with this software. It is
44 * provided "AS IS" and no warranty of any kind including statutory or aspects
45 * relating to merchantability or fitness for any purpose is provided. All
46 * intellectual property rights of others is maintained with the respective
47 * owners. This software is not copyrighted and is intended for reference
48 * only.
49 * END_BLOCK
50 ******************************************************************************/
51
52#include "at91rm9200.h"
53#include "at91rm9200_lowlevel.h"
54#include "emac.h"
55#include "lib.h"
56
57/* ****************************** GLOBALS *************************************/
58
| 28 */
29
30/******************************************************************************
31 *
32 * Filename: emac.c
33 *
34 * Instantiation of routines for MAC/ethernet functions supporting tftp.
35 *
36 * Revision information:
37 *
38 * 28AUG2004 kb_admin initial creation
39 * 08JAN2005 kb_admin added tftp download
40 * also adapted from external sources
41 *
42 * BEGIN_KBDD_BLOCK
43 * No warranty, expressed or implied, is included with this software. It is
44 * provided "AS IS" and no warranty of any kind including statutory or aspects
45 * relating to merchantability or fitness for any purpose is provided. All
46 * intellectual property rights of others is maintained with the respective
47 * owners. This software is not copyrighted and is intended for reference
48 * only.
49 * END_BLOCK
50 ******************************************************************************/
51
52#include "at91rm9200.h"
53#include "at91rm9200_lowlevel.h"
54#include "emac.h"
55#include "lib.h"
56
57/* ****************************** GLOBALS *************************************/
58
|
59unsigned lastSize;
60unsigned localMACSet, serverMACSet;
| 59unsigned localMACSet;
|
61unsigned char localMACAddr[6];
62unsigned localMAClow, localMAChigh;
| 60unsigned char localMACAddr[6];
61unsigned localMAClow, localMAChigh;
|
63unsigned localIPSet, serverIPSet;
64unsigned short serverPort, localPort;
65receive_descriptor_t *p_rxBD;
| |
66
67/* ********************** PRIVATE FUNCTIONS/DATA ******************************/
68
69/*
70 * .KB_C_FN_DEFINITION_START
71 * void EMAC_SetMACAddress(unsigned low_address, unsigned high_address)
72 * This global function sets the MAC address. low_address is the first
73 * four bytes while high_address is the last 2 bytes of the 48-bit value.
74 * .KB_C_FN_DEFINITION_END
75 */
76void
77EMAC_SetMACAddress(unsigned char mac[6])
78{
79 AT91PS_PMC pPMC = AT91C_BASE_PMC;
80 AT91PS_EMAC pEmac = AT91C_BASE_EMAC;
81
82 /* enable the peripheral clock before using EMAC */
83 pPMC->PMC_PCER = ((unsigned) 1 << AT91C_ID_EMAC);
84
| 62
63/* ********************** PRIVATE FUNCTIONS/DATA ******************************/
64
65/*
66 * .KB_C_FN_DEFINITION_START
67 * void EMAC_SetMACAddress(unsigned low_address, unsigned high_address)
68 * This global function sets the MAC address. low_address is the first
69 * four bytes while high_address is the last 2 bytes of the 48-bit value.
70 * .KB_C_FN_DEFINITION_END
71 */
72void
73EMAC_SetMACAddress(unsigned char mac[6])
74{
75 AT91PS_PMC pPMC = AT91C_BASE_PMC;
76 AT91PS_EMAC pEmac = AT91C_BASE_EMAC;
77
78 /* enable the peripheral clock before using EMAC */
79 pPMC->PMC_PCER = ((unsigned) 1 << AT91C_ID_EMAC);
80
|
85 p_memcpy(localMACAddr, mac, 6);
| 81 memcpy(localMACAddr, mac, 6);
|
86 localMAClow = (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5];
87 localMAChigh = (mac[0] << 8) | mac[1];
88 localMACSet = 1;
89
90 AT91C_BASE_PMC->PMC_PCER = 1u << AT91C_ID_EMAC;
91 AT91C_BASE_PIOA->PIO_ASR =
92 AT91C_PA14_ERXER | AT91C_PA12_ERX0 | AT91C_PA13_ERX1 |
93 AT91C_PA8_ETXEN | AT91C_PA16_EMDIO | AT91C_PA9_ETX0 |
94 AT91C_PA10_ETX1 | AT91C_PA11_ECRS_ECRSDV | AT91C_PA15_EMDC |
95 AT91C_PA7_ETXCK_EREFCK;
96 AT91C_BASE_PIOA->PIO_PDR =
97 AT91C_PA14_ERXER | AT91C_PA12_ERX0 | AT91C_PA13_ERX1 |
98 AT91C_PA8_ETXEN | AT91C_PA16_EMDIO | AT91C_PA9_ETX0 |
99 AT91C_PA10_ETX1 | AT91C_PA11_ECRS_ECRSDV | AT91C_PA15_EMDC |
100 AT91C_PA7_ETXCK_EREFCK;
101#ifdef BOOT_KB9202 /* Really !RMII */
102 AT91C_BASE_PIOB->PIO_BSR =
103 AT91C_PB12_ETX2 | AT91C_PB13_ETX3 | AT91C_PB14_ETXER |
104 AT91C_PB15_ERX2 | AT91C_PB16_ERX3 | AT91C_PB17_ERXDV |
105 AT91C_PB18_ECOL | AT91C_PB19_ERXCK;
106 AT91C_BASE_PIOB->PIO_PDR =
107 AT91C_PB12_ETX2 | AT91C_PB13_ETX3 | AT91C_PB14_ETXER |
108 AT91C_PB15_ERX2 | AT91C_PB16_ERX3 | AT91C_PB17_ERXDV |
109 AT91C_PB18_ECOL | AT91C_PB19_ERXCK;
110#endif
111 pEmac->EMAC_CTL = 0;
112
113 pEmac->EMAC_CFG = (pEmac->EMAC_CFG & ~(AT91C_EMAC_CLK)) |
114#ifdef BOOT_TSC
115 AT91C_EMAC_RMII |
116#endif
117 AT91C_EMAC_CLK_HCLK_32 | AT91C_EMAC_CAF;
118 // the sequence write EMAC_SA1L and write EMAC_SA1H must be respected
119 pEmac->EMAC_SA1L = localMAClow;
120 pEmac->EMAC_SA1H = localMAChigh;
121}
| 82 localMAClow = (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5];
83 localMAChigh = (mac[0] << 8) | mac[1];
84 localMACSet = 1;
85
86 AT91C_BASE_PMC->PMC_PCER = 1u << AT91C_ID_EMAC;
87 AT91C_BASE_PIOA->PIO_ASR =
88 AT91C_PA14_ERXER | AT91C_PA12_ERX0 | AT91C_PA13_ERX1 |
89 AT91C_PA8_ETXEN | AT91C_PA16_EMDIO | AT91C_PA9_ETX0 |
90 AT91C_PA10_ETX1 | AT91C_PA11_ECRS_ECRSDV | AT91C_PA15_EMDC |
91 AT91C_PA7_ETXCK_EREFCK;
92 AT91C_BASE_PIOA->PIO_PDR =
93 AT91C_PA14_ERXER | AT91C_PA12_ERX0 | AT91C_PA13_ERX1 |
94 AT91C_PA8_ETXEN | AT91C_PA16_EMDIO | AT91C_PA9_ETX0 |
95 AT91C_PA10_ETX1 | AT91C_PA11_ECRS_ECRSDV | AT91C_PA15_EMDC |
96 AT91C_PA7_ETXCK_EREFCK;
97#ifdef BOOT_KB9202 /* Really !RMII */
98 AT91C_BASE_PIOB->PIO_BSR =
99 AT91C_PB12_ETX2 | AT91C_PB13_ETX3 | AT91C_PB14_ETXER |
100 AT91C_PB15_ERX2 | AT91C_PB16_ERX3 | AT91C_PB17_ERXDV |
101 AT91C_PB18_ECOL | AT91C_PB19_ERXCK;
102 AT91C_BASE_PIOB->PIO_PDR =
103 AT91C_PB12_ETX2 | AT91C_PB13_ETX3 | AT91C_PB14_ETXER |
104 AT91C_PB15_ERX2 | AT91C_PB16_ERX3 | AT91C_PB17_ERXDV |
105 AT91C_PB18_ECOL | AT91C_PB19_ERXCK;
106#endif
107 pEmac->EMAC_CTL = 0;
108
109 pEmac->EMAC_CFG = (pEmac->EMAC_CFG & ~(AT91C_EMAC_CLK)) |
110#ifdef BOOT_TSC
111 AT91C_EMAC_RMII |
112#endif
113 AT91C_EMAC_CLK_HCLK_32 | AT91C_EMAC_CAF;
114 // the sequence write EMAC_SA1L and write EMAC_SA1H must be respected
115 pEmac->EMAC_SA1L = localMAClow;
116 pEmac->EMAC_SA1H = localMAChigh;
117}
|
122
123/*
124 * .KB_C_FN_DEFINITION_START
125 * void EMAC_Init(void)
126 * This global function initializes variables used in tftp transfers.
127 * .KB_C_FN_DEFINITION_END
128 */
129void
130EMAC_Init(void)
131{
132 p_rxBD = (receive_descriptor_t*)RX_BUFFER_START;
133 localMACSet = 0;
134 serverMACSet = 0;
135 localIPSet = 0;
136 serverIPSet = 0;
137 localPort = SWAP16(0x8002);
138 lastSize = 0;
139}
| |
| |