bsps/sparc: Move network drivers to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

1 files changed, 75 insertions, 0 deletions

diff --git a/bsps/sparc/leon3/net/leon_open_eth.c b/bsps/sparc/leon3/net/leon_open_eth.c
new file mode 100644
index 0000000000..c59d613d75
--- /dev/null
+++ b/bsps/sparc/leon3/net/leon_open_eth.c
@@ -0,0 +1,75 @@
+/**
+ * @file
+ * @ingroup sparc_leon3
+ * @brief LEON3 Opencores Ethernet MAC Configuration Information
+ */
+
+/*
+ * Copyright (c) 2004.
+ * Aeroflex Gaisler AB.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#define __INSIDE_RTEMS_BSD_TCPIP_STACK__
+
+#include <bsp.h>
+#include <libchip/open_eth.h>
+#if (OPEN_ETH_DEBUG & OPEN_ETH_DEBUG_PRINT_REGISTERS)
+#include <stdio.h>
+#endif
+
+/*
+ * Default sizes of transmit and receive descriptor areas
+ */
+#define RDA_COUNT     16
+#define TDA_COUNT     16
+
+open_eth_configuration_t leon_open_eth_configuration;
+
+int rtems_leon_open_eth_driver_attach(
+  struct rtems_bsdnet_ifconfig *config,
+  int attach
+)
+{
+  unsigned int base_addr = 0; /* avoid warnings */
+  unsigned int eth_irq = 0;   /* avoid warnings */
+  struct ambapp_dev *adev;
+  struct ambapp_ahb_info *ahb;
+
+  /* Scan for MAC AHB slave interface */
+  adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_AHB_SLVS),
+                                 VENDOR_OPENCORES, OPENCORES_ETHMAC,
+                                 ambapp_find_by_idx, NULL);
+  if (!adev) {
+    adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_AHB_SLVS),
+                                   VENDOR_GAISLER, GAISLER_ETHAHB,
+                                   ambapp_find_by_idx, NULL);
+  }
+
+  if (adev)
+  {
+    ahb = DEV_TO_AHB(adev);
+    base_addr = ahb->start[0];
+    eth_irq = ahb->irq;
+
+    /* clear control register and reset NIC */
+    *(volatile int *) base_addr = 0;
+    *(volatile int *) base_addr = 0x800;
+    *(volatile int *) base_addr = 0;
+    leon_open_eth_configuration.base_address = (void *) base_addr;
+    leon_open_eth_configuration.vector = eth_irq + 0x10;
+    leon_open_eth_configuration.txd_count = TDA_COUNT;
+    leon_open_eth_configuration.rxd_count = RDA_COUNT;
+    /* enable 100 MHz operation only if cpu frequency >= 50 MHz */
+    if (LEON3_Timer_Regs->scaler_reload >= 49)
+      leon_open_eth_configuration.en100MHz = 1;
+    if (rtems_open_eth_driver_attach( config, &leon_open_eth_configuration )) {
+      LEON_Clear_interrupt(eth_irq);
+      LEON_Unmask_interrupt(eth_irq);
+    }
+  }
+  return 0;
+}