Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / eltec / elppc / eepro100_srom.c
diff --git a/qemu/roms/u-boot/board/eltec/elppc/eepro100_srom.c b/qemu/roms/u-boot/board/eltec/elppc/eepro100_srom.c
new file mode 100644 (file)
index 0000000..05ba9c4
--- /dev/null
@@ -0,0 +1,98 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.de>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/*
+ * 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,
+                              (unsigned int *) &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 */
+
+/*----------------------------------------------------------------------------*/