Patches by Scott McNutt, 24 Aug 2004:
- Add support for Altera Nios-II processors.
- Add support for Psyent PCI-5441 board.
- Add support for Psyent PK1C20 board.
diff --git a/board/psyent/common/AMDLV065D.c b/board/psyent/common/AMDLV065D.c
new file mode 100644
index 0000000..4965743
--- /dev/null
+++ b/board/psyent/common/AMDLV065D.c
@@ -0,0 +1,197 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+
+
+#include <common.h>
+#if defined(CONFIG_NIOS)
+#include <nios.h>
+#else
+#include <nios2.h>
+#endif
+
+#define SECTSZ (64 * 1024)
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+/*----------------------------------------------------------------------*/
+unsigned long flash_init (void)
+{
+ int i;
+ unsigned long addr;
+ flash_info_t *fli = &flash_info[0];
+
+ fli->size = CFG_FLASH_SIZE;
+ fli->sector_count = CFG_MAX_FLASH_SECT;
+ fli->flash_id = FLASH_MAN_AMD + FLASH_AMDLV065D;
+
+ addr = CFG_FLASH_BASE;
+ for (i = 0; i < fli->sector_count; ++i) {
+ fli->start[i] = addr;
+ addr += SECTSZ;
+ fli->protect[i] = 1;
+ }
+
+ return (CFG_FLASH_SIZE);
+}
+/*--------------------------------------------------------------------*/
+void flash_print_info (flash_info_t * info)
+{
+ int i, k;
+ unsigned long size;
+ int erased;
+ volatile unsigned char *flash;
+
+ printf (" Size: %ld KB in %d Sectors\n",
+ info->size >> 10, info->sector_count);
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+
+ /* Check if whole sector is erased */
+ if (i != (info->sector_count - 1))
+ size = info->start[i + 1] - info->start[i];
+ else
+ size = info->start[0] + info->size - info->start[i];
+ erased = 1;
+ flash = (volatile unsigned char *) CACHE_BYPASS(info->start[i]);
+ for (k = 0; k < size; k++) {
+ if (*flash++ != 0xff) {
+ erased = 0;
+ break;
+ }
+ }
+
+ /* Print the info */
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s%s",
+ CACHE_NO_BYPASS(info->start[i]),
+ erased ? " E" : " ",
+ info->protect[i] ? "RO " : " ");
+ }
+ printf ("\n");
+}
+
+/*-------------------------------------------------------------------*/
+
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *)
+ CACHE_BYPASS(info->start[0]);
+ volatile CFG_FLASH_WORD_SIZE *addr2;
+ int prot, sect;
+ ulong start;
+
+ /* Some sanity checking */
+ if ((s_first < 0) || (s_first > s_last)) {
+ printf ("- no sectors to erase\n");
+ return 1;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ /* It's ok to erase multiple sectors provided we don't delay more
+ * than 50 usec between cmds ... at which point the erase time-out
+ * occurs. So don't go and put printf() calls in the loop ... it
+ * won't be very helpful ;-)
+ */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr2 = (CFG_FLASH_WORD_SIZE *)
+ CACHE_BYPASS((info->start[sect]));
+ *addr = 0xaa;
+ *addr = 0x55;
+ *addr = 0x80;
+ *addr = 0xaa;
+ *addr = 0x55;
+ *addr2 = 0x30;
+ /* Now just wait for 0xff & provide some user
+ * feedback while we wait.
+ */
+ start = get_timer (0);
+ while (*addr2 != 0xff) {
+ udelay (1000 * 1000);
+ putc ('.');
+ if (get_timer (start) > CFG_FLASH_ERASE_TOUT) {
+ printf ("timeout\n");
+ return 1;
+ }
+ }
+ }
+ }
+ printf ("\n");
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+
+ vu_char *cmd = (vu_char *) CACHE_BYPASS(info->start[0]);
+ vu_char *dst = (vu_char *) CACHE_BYPASS(addr);
+ unsigned char b;
+ ulong start;
+
+ while (cnt) {
+ /* Check for sufficient erase */
+ b = *src;
+ if ((*dst & b) != b) {
+ printf ("%02x : %02x\n", *dst, b);
+ return (2);
+ }
+
+ *cmd = 0xaa;
+ *cmd = 0x55;
+ *cmd = 0xa0;
+ *dst = b;
+
+ /* Verify write */
+ start = get_timer (0);
+ while (*dst != b) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ return 1;
+ }
+ }
+ dst++;
+ src++;
+ cnt--;
+ }
+
+ return (0);
+}