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Diffstat (limited to 'bsps/sparc/leon3/net/leon_smc91111.c')
-rw-r--r--bsps/sparc/leon3/net/leon_smc91111.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/bsps/sparc/leon3/net/leon_smc91111.c b/bsps/sparc/leon3/net/leon_smc91111.c
new file mode 100644
index 0000000000..e4adac6c2b
--- /dev/null
+++ b/bsps/sparc/leon3/net/leon_smc91111.c
@@ -0,0 +1,89 @@
+/**
+ * @file
+ * @ingroup sparc_leon3
+ * @brief LEON3 BSP SMC91111 registration and low-level initialization
+ */
+
+/*
+ * Copyright (c) 2006.
+ * 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/smc91111exp.h>
+#include <rtems/bspIo.h>
+#include <ambapp.h>
+
+#define SMC91111_BASE_ADDR (void*)0x20000300
+#define SMC91111_BASE_IRQ 4
+#define SMC91111_BASE_PIO 4
+
+scmv91111_configuration_t leon_scmv91111_configuration = {
+ SMC91111_BASE_ADDR, /* base address */
+ SMC91111_BASE_IRQ, /* IRQ number (on LEON vector is irq) */
+ SMC91111_BASE_PIO, /* PIO */
+ 100, /* 100b */
+ 1, /* fulldx */
+ 1 /* autoneg */
+};
+
+/*
+ * Attach an SMC91111 driver to the system
+ */
+int
+rtems_smc91111_driver_attach_leon3 (struct rtems_bsdnet_ifconfig *config,
+ int attach)
+{
+ unsigned long addr_mctrl = 0;
+ struct grgpio_regs *io;
+ struct ambapp_apb_info apbpio;
+ struct ambapp_apb_info apbmctrl;
+
+ if (ambapp_find_apbslv(&ambapp_plb, VENDOR_GAISLER, GAISLER_GPIO, &apbpio)
+ != 1) {
+ printk("SMC9111_leon3: didn't find PIO\n");
+ return 0;
+ }
+
+ /* In order to access the SMC controller the memory controller must have
+ * I/O bus enabled. Find first memory controller.
+ */
+ if (ambapp_find_apbslv(&ambapp_plb, VENDOR_ESA, ESA_MCTRL, &apbmctrl) != 1) {
+ if (ambapp_find_apbslv(&ambapp_plb, VENDOR_GAISLER, GAISLER_FTMCTRL,
+ &apbmctrl) != 1) {
+ if (ambapp_find_apbslv(&ambapp_plb, VENDOR_GAISLER, GAISLER_FTSRCTRL,
+ &apbmctrl) != 1) {
+ if (ambapp_find_apbslv(&ambapp_plb, VENDOR_GAISLER, GAISLER_FTSRCTRL8,
+ &apbmctrl) != 1) {
+ printk("SMC9111_leon3: didn't find any memory controller\n");
+ return 0;
+ }
+ }
+ }
+ }
+
+ /* Get controller address */
+ addr_mctrl = (unsigned long) apbmctrl.start;
+ io = (struct grgpio_regs *) apbpio.start;
+
+ printk("Activating Leon3 io port for smsc_lan91cxx (pio:%x mctrl:%x)\n",
+ (unsigned int)io, (unsigned int)addr_mctrl);
+
+ /* Setup PIO IRQ */
+ io->imask |= (1 << leon_scmv91111_configuration.pio);
+ io->ipol |= (1 << leon_scmv91111_configuration.pio);
+ io->iedge |= (1 << leon_scmv91111_configuration.pio);
+ io->dir &= ~(1 << leon_scmv91111_configuration.pio);
+
+ /* Setup memory controller I/O waitstates */
+ *((volatile unsigned int *) addr_mctrl) |=
+ 0x10f80000; /* enable I/O area access */
+
+ return _rtems_smc91111_driver_attach(config, &leon_scmv91111_configuration);
+};