diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/gen83xx/network/network.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/gen83xx/network/network.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen83xx/network/network.c b/c/src/lib/libbsp/powerpc/gen83xx/network/network.c new file mode 100644 index 0000000000..7997d98e09 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/gen83xx/network/network.c @@ -0,0 +1,103 @@ +/*===============================================================*\ +| Project: RTEMS support for MPC83xx | ++-----------------------------------------------------------------+ +| Copyright (c) 2007 | +| Embedded Brains GmbH | +| Obere Lagerstr. 30 | +| D-82178 Puchheim | +| Germany | +| rtems@embedded-brains.de | ++-----------------------------------------------------------------+ +| The license and distribution terms for this file may be | +| found in the file LICENSE in this distribution or at | +| | +| http://www.rtems.com/license/LICENSE. | +| | ++-----------------------------------------------------------------+ +| this file contains the board specific portion | +| of the network interface driver | +\*===============================================================*/ + +#include <rtems.h> +#include <rtems/rtems_bsdnet.h> +#include <bsp.h> +#include <mpc83xx/tsec.h> +#include <mpc83xx/mpc83xx.h> +#include <stdio.h> + +#define TSEC_BITRATE 1000 +#define TSEC_IFMODE_RGMII 0 +#define TSEC_IFMODE_GMII 1 +#define TSEC_IFMODE TSEC_IFMODE_RGMII + +/*=========================================================================*\ +| Function: | +\*-------------------------------------------------------------------------*/ +int BSP_tsec_attach +( +/*-------------------------------------------------------------------------*\ +| Purpose: | +| attach or detach the driver | ++---------------------------------------------------------------------------+ +| Input Parameters: | +\*-------------------------------------------------------------------------*/ + struct rtems_bsdnet_ifconfig *config, /* interface configuration */ + int attaching /* 0 = detach, else attach */ +) +/*-------------------------------------------------------------------------*\ +| Return Value: | +| 1, if success | +\*=========================================================================*/ +{ + char hw_addr[6] = {0x00,0x04,0x9F,0x00,0x2f,0xcb}; + int unitNumber; + char *unitName; + + /* + * Parse driver name + */ + if((unitNumber = rtems_bsdnet_parse_driver_name(config, &unitName)) < 0) { + return 0; + } + if (attaching) { + if (unitNumber == 1) { + /* + * init system I/O configuration registers + * to ensure proper pin functions + */ + mpc83xx.syscon.sicrh = mpc83xx.syscon.sicrh & ~0x1f800000; + /* + * init port registers (GPIO2DIR) for TSEC1 + */ + mpc83xx.gpio[1].gpdir = ((mpc83xx.gpio[1].gpdir & ~0x00000FFF) + | 0x0000001f); + } + } + if (unitNumber == 2) { + /* + * init port registers (GPIO2DIR) for TSEC2 + */ + mpc83xx.gpio[0].gpdir = ((mpc83xx.gpio[0].gpdir & ~0x000FFFFF) + | 0x00087881); + } + /* + * add MAC address into config->hardware_adderss + * FIXME: get the real address we need + */ + if (config->hardware_address == NULL) { + config->hardware_address = hw_addr; + } + /* + * set interrupt number for given interface + */ + config->irno = ((unitNumber == 1) + ? BSP_IPIC_IRQ_TSEC1_TX + : BSP_IPIC_IRQ_TSEC2_TX); + /* + * call attach function of board independent driver + */ + if (0 == rtems_mpc83xx_tsec_driver_attach_detach(config,attaching)) { + return 0; + } + return 1; +} |