1 | /*===============================================================*\ |
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2 | | Project: RTEMS support for MPC83xx | |
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3 | +-----------------------------------------------------------------+ |
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4 | | Copyright (c) 2007 | |
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5 | | Embedded Brains GmbH | |
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6 | | Obere Lagerstr. 30 | |
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7 | | D-82178 Puchheim | |
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8 | | Germany | |
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9 | | rtems@embedded-brains.de | |
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10 | +-----------------------------------------------------------------+ |
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11 | | The license and distribution terms for this file may be | |
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12 | | found in the file LICENSE in this distribution or at | |
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13 | | | |
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14 | | http://www.rtems.com/license/LICENSE. | |
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15 | | | |
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16 | +-----------------------------------------------------------------+ |
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17 | | this file contains the board specific portion | |
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18 | | of the network interface driver | |
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19 | \*===============================================================*/ |
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20 | |
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21 | #include <rtems.h> |
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22 | #include <rtems/rtems_bsdnet.h> |
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23 | #include <rtems/rtems_bsdnet_internal.h> |
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24 | #include <bsp.h> |
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25 | #include <mpc83xx/tsec.h> |
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26 | #include <mpc83xx/mpc83xx.h> |
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27 | #include <stdio.h> |
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28 | |
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29 | #define TSEC_BITRATE 1000 |
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30 | #define TSEC_IFMODE_RGMII 0 |
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31 | #define TSEC_IFMODE_GMII 1 |
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32 | #define TSEC_IFMODE TSEC_IFMODE_RGMII |
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33 | |
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34 | /*=========================================================================*\ |
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35 | | Function: | |
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36 | \*-------------------------------------------------------------------------*/ |
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37 | int BSP_tsec_attach |
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38 | ( |
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39 | /*-------------------------------------------------------------------------*\ |
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40 | | Purpose: | |
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41 | | attach or detach the driver | |
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42 | +---------------------------------------------------------------------------+ |
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43 | | Input Parameters: | |
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44 | \*-------------------------------------------------------------------------*/ |
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45 | struct rtems_bsdnet_ifconfig *config, /* interface configuration */ |
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46 | int attaching /* 0 = detach, else attach */ |
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47 | ) |
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48 | /*-------------------------------------------------------------------------*\ |
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49 | | Return Value: | |
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50 | | 1, if success | |
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51 | \*=========================================================================*/ |
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52 | { |
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53 | char hw_addr[6] = {0x00,0x04,0x9F,0x00,0x2f,0xcb}; |
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54 | int unitNumber; |
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55 | char *unitName; |
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56 | |
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57 | /* |
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58 | * Parse driver name |
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59 | */ |
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60 | if((unitNumber = rtems_bsdnet_parse_driver_name(config, &unitName)) < 0) { |
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61 | return 0; |
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62 | } |
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63 | if (attaching) { |
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64 | if (unitNumber == 1) { |
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65 | /* |
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66 | * init system I/O configuration registers |
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67 | * to ensure proper pin functions |
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68 | */ |
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69 | mpc83xx.syscon.sicrh = mpc83xx.syscon.sicrh & ~0x1f800000; |
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70 | /* |
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71 | * init port registers (GPIO2DIR) for TSEC1 |
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72 | */ |
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73 | mpc83xx.gpio[1].gpdir = ((mpc83xx.gpio[1].gpdir & ~0x00000FFF) |
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74 | | 0x0000001f); |
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75 | } |
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76 | } |
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77 | if (unitNumber == 2) { |
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78 | /* |
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79 | * init port registers (GPIO2DIR) for TSEC2 |
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80 | */ |
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81 | mpc83xx.gpio[0].gpdir = ((mpc83xx.gpio[0].gpdir & ~0x000FFFFF) |
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82 | | 0x00087881); |
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83 | } |
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84 | /* |
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85 | * add MAC address into config->hardware_adderss |
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86 | * FIXME: get the real address we need |
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87 | */ |
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88 | if (config->hardware_address == NULL) { |
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89 | config->hardware_address = hw_addr; |
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90 | } |
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91 | /* |
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92 | * set interrupt number for given interface |
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93 | */ |
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94 | config->irno = ((unitNumber == 1) |
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95 | ? BSP_IPIC_IRQ_TSEC1_TX |
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96 | : BSP_IPIC_IRQ_TSEC2_TX); |
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97 | /* |
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98 | * call attach function of board independent driver |
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99 | */ |
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100 | if (0 == rtems_mpc83xx_tsec_driver_attach_detach(config,attaching)) { |
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101 | return 0; |
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102 | } |
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103 | return 1; |
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104 | } |
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