1 files changed, 98 insertions, 0 deletions
diff --git a/roms/u-boot/board/eltec/elppc/eepro100_srom.c b/roms/u-boot/board/eltec/elppc/eepro100_srom.c
new file mode 100644
index 00000000..05ba9c44
--- /dev/null
+++ b/roms/u-boot/board/eltec/elppc/eepro100_srom.c
@@ -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 */
+
+/*----------------------------------------------------------------------------*/