* Patch by Ladislav Michl, 05 Apr 2005:
Add support for VoiceBlue board.
* Patch by Ladislav Michl, 05 Apr 2005:
Fix netboot_common() prototypes.
* Cleanup.
diff --git a/board/voiceblue/eeprom.c b/board/voiceblue/eeprom.c
new file mode 100644
index 0000000..6383a02
--- /dev/null
+++ b/board/voiceblue/eeprom.c
@@ -0,0 +1,140 @@
+/*
+ * (C) Copyright 2005
+ * Ladislav Michl, 2N Telekomunikace, michl@2n.cz
+ *
+ * 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 version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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
+ *
+ * Some code shamelessly stolen back from Robin Getz.
+ */
+
+#define DEBUG
+
+#include <common.h>
+#include <exports.h>
+#include "../drivers/smc91111.h"
+
+#define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
+
+static int verify_macaddr(char *);
+static int set_mac(char *);
+
+int eeprom(int argc, char *argv[])
+{
+ app_startup(argv);
+ if (get_version() != XF_VERSION) {
+ printf("Wrong XF_VERSION.\n");
+ printf("Application expects ABI version %d\n", XF_VERSION);
+ printf("Actual U-Boot ABI version %d\n", (int)get_version());
+ return 1;
+ }
+
+ if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) {
+ printf("SMSC91111 not found.\n");
+ return 2;
+ }
+
+ if (argc != 2) {
+ printf("VoiceBlue EEPROM writer\n");
+ printf("Built: %s at %s\n", __DATE__ , __TIME__ );
+ printf("Usage:\n\t<mac_address>");
+ return 3;
+ }
+
+ set_mac(argv[1]);
+ if (verify_macaddr(argv[1])) {
+ printf("*** ERROR ***\n");
+ return 4;
+ }
+
+ return 0;
+}
+
+static u16 read_eeprom_reg(u16 reg)
+{
+ int timeout;
+
+ SMC_SELECT_BANK(2);
+ SMC_outw(reg, PTR_REG);
+
+ SMC_SELECT_BANK(1);
+ SMC_outw(SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_RELOAD,
+ CTL_REG);
+ timeout = 100;
+ while((SMC_inw (CTL_REG) & CTL_RELOAD) && --timeout)
+ udelay(100);
+ if (timeout == 0) {
+ printf("Timeout Reading EEPROM register %02x\n", reg);
+ return 0;
+ }
+
+ return SMC_inw (GP_REG);
+}
+
+static int write_eeprom_reg(u16 value, u16 reg)
+{
+ int timeout;
+
+ SMC_SELECT_BANK(2);
+ SMC_outw(reg, PTR_REG);
+
+ SMC_SELECT_BANK(1);
+ SMC_outw(value, GP_REG);
+ SMC_outw(SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_STORE, CTL_REG);
+ timeout = 100;
+ while ((SMC_inw(CTL_REG) & CTL_STORE) && --timeout)
+ udelay (100);
+ if (timeout == 0) {
+ printf("Timeout Writing EEPROM register %02x\n", reg);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int verify_macaddr(char *s)
+{
+ u16 reg;
+ int i, err = 0;
+
+ printf("Verifying MAC Address: ");
+ err = i = 0;
+ for (i = 0; i < 3; i++) {
+ reg = read_eeprom_reg(0x20 + i);
+ printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n');
+ err |= reg != ((u16 *)s)[i];
+ }
+
+ return err ? 0 : 1;
+}
+
+static int set_mac(char *s)
+{
+ int i;
+ char *e, eaddr[6];
+
+ /* turn string into mac value */
+ for (i = 0; i < 6; i++) {
+ eaddr[i] = simple_strtoul(s, &e, 16);
+ s = (*e) ? e+1 : e;
+ }
+
+ for (i = 0; i < 3; i++)
+ write_eeprom_reg(*(((u16 *)eaddr) + i), 0x20 + i);
+
+ return 0;
+}