Initial revision

1 files changed, 113 insertions, 0 deletions

diff --git a/board/eltec/elppc/eepro100_srom.c b/board/eltec/elppc/eepro100_srom.c
new file mode 100644
index 0000000..a5e47cf
--- /dev/null
+++ b/board/eltec/elppc/eepro100_srom.c
@@ -0,0 +1,113 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Local network srom writing for first time run
+ */
+
+/* includes */
+#include <common.h>
+#include <pci.h>
+#include <net.h>
+#include "srom.h"
+
+extern int eepro100_write_eeprom (struct eth_device* dev,
+                    int location, int addr_len, unsigned short data);
+
+/*----------------------------------------------------------------------------*/
+
+unsigned short eepro100_srom_checksum (unsigned short *sromdata)
+{
+    unsigned short sum = 0;
+    unsigned int i;
+
+    for (i = 0; i < (EE_SIZE-1); i++)
+    {
+        sum += sromdata[i];
+    }
+    return (EE_CHECKSUM - sum);
+}
+
+/*----------------------------------------------------------------------------*/
+
+int eepro100_srom_store (unsigned short *source)
+{
+    int count;
+    struct eth_device onboard_dev;
+
+    /* get onboard network iobase */
+    pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
+                 &onboard_dev.iobase);
+    onboard_dev.iobase &= ~0xf;
+
+    source[63] = eepro100_srom_checksum (source);
+
+    for (count=0; count < EE_SIZE; count++)
+    {
+    if ( eepro100_write_eeprom ((struct eth_device*)&onboard_dev,
+             count, EE_ADDR_BITS, SROM_SHORT(source)) == -1 )
+        return -1;
+    source++;
+    }
+    return 0;
+}
+
+/*----------------------------------------------------------------------------*/
+
+#ifdef EEPRO100_SROM_CHECK
+
+extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
+
+void eepro100_srom_load (unsigned short *destination)
+{
+    int count;
+    struct eth_device onboard_dev;
+#ifdef DEBUG
+    int lr = 0;
+    printf ("eepro100_srom_download:\n");
+#endif
+
+    /* get onboard network iobase */
+    pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
+                 &onboard_dev.iobase);
+    onboard_dev.iobase &= ~0xf;
+
+    memset (destination, 0x65, 128);
+
+    for (count=0; count < 0x40; count++)
+    {
+        *destination++ = read_eeprom (struct eth_device*)&onboard_dev,
+                 count, EE_ADDR_BITS);
+#ifdef DEBUG
+        printf ("%04x ", *(destination - 1));
+        if (lr++ == 7)
+        {
+            printf("\n");
+            lr = 0;
+        }
+#endif
+    }
+}
+#endif /* EEPRO100_SROM_CHECK */
+
+/*----------------------------------------------------------------------------*/