+#endif
+{
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]);
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *) dest;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *) & data;
+ ulong start;
+ int i;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *)dest) & data) != data) {
+ return (2);
+ }
+
+ for (i = 0; i < 4 / sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) {
+ int flag;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00A000A0;
+
+ dest2[i] = data2[i];
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer(0);
+ while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) !=
+ (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080)) {
+
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ }
+
+ return (0);
+}
+
+#ifdef CONFIG_SYS_FLASH_2ND_16BIT_DEV
+
+#undef CONFIG_SYS_FLASH_WORD_SIZE
+#define CONFIG_SYS_FLASH_WORD_SIZE unsigned short
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
+{
+ short i;
+ int n;
+ CONFIG_SYS_FLASH_WORD_SIZE value;
+ ulong base = (ulong) addr;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) addr;
+
+ DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
+
+ /* Write auto select command: read Manufacturer ID */
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00900090;
+ udelay(1000);
+
+ value = addr2[0];
+ DEBUGF("FLASH MANUFACT: %x\n", value);
+
+ switch (value) {
+ case (CONFIG_SYS_FLASH_WORD_SIZE) AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) SST_MANUFACT:
+ info->flash_id = FLASH_MAN_SST;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) STM_MANUFACT:
+ info->flash_id = FLASH_MAN_STM;
+ break;
+ case (CONFIG_SYS_FLASH_WORD_SIZE) MX_MANUFACT:
+ info->flash_id = FLASH_MAN_MX;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr2[1]; /* device ID */
+
+ DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+ switch (value) {
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320T:
+ info->flash_id += FLASH_AM320T;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MiB */
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320B:
+ info->flash_id += FLASH_AM320B;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MiB */
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)STM_ID_29W320DT:
+ info->flash_id += FLASH_STMW320DT;
+ info->sector_count = 67;
+ info->size = 0x00400000; break; /* => 4 MiB */
+
+ case (CONFIG_SYS_FLASH_WORD_SIZE)MX_ID_LV320T:
+ info->flash_id += FLASH_MXLV320T;
+ info->sector_count = 71;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+ }
+
+ /* set up sector start address table */
+ if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) {
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = base + (i * 0x00010000);
+ } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) {
+ /* set sector offsets for top boot block type */
+ base += info->size;
+ i = info->sector_count;
+ /* 1 x 16k boot sector */
+ base -= 16 << 10;
+ --i;
+ info->start[i] = base;
+ /* 2 x 8k boot sectors */
+ for (n=0; n<2; ++n) {
+ base -= 8 << 10;
+ --i;
+ info->start[i] = base;
+ }
+ /* 1 x 32k boot sector */
+ base -= 32 << 10;
+ --i;
+ info->start[i] = base;
+
+ while (i > 0) { /* 64k regular sectors */
+ base -= 64 << 10;
+ --i;
+ info->start[i] = base;
+ }
+ } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) {
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00002000;
+ info->start[i--] = base + info->size - 0x00004000;
+ info->start[i--] = base + info->size - 0x00006000;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000a000;
+ info->start[i--] = base + info->size - 0x0000c000;
+ info->start[i--] = base + info->size - 0x0000e000;
+ info->start[i--] = base + info->size - 0x00010000;
+
+ for (; i >= 0; i--)
+ info->start[i] = base + i * 0x00010000;
+ } else {
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00002000;
+ info->start[2] = base + 0x00004000;
+ info->start[3] = base + 0x00006000;
+ info->start[4] = base + 0x00008000;
+ info->start[5] = base + 0x0000a000;
+ info->start[6] = base + 0x0000c000;
+ info->start[7] = base + 0x0000e000;
+ for (i = 8; i < info->sector_count; i++) {
+ info->start[i] =
+ base + ((i-7) * 0x00010000);
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00002000;
+ info->start[i--] = base + info->size - 0x00004000;
+ info->start[i--] = base + info->size - 0x00006000;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000a000;
+ info->start[i--] = base + info->size - 0x0000c000;
+ info->start[i--] = base + info->size - 0x0000e000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00010000;
+ }
+ }
+ }
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]);
+
+ /* For AMD29033C flash we need to resend the command of *
+ * reading flash protection for upper 8 Mb of flash */
+ if (i == 32) {
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xAAAAAAAA;
+ addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x55555555;
+ addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x90909090;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+ info->protect[i] = 0;
+ else
+ info->protect[i] = addr2[2] & 1;
+ }
+
+ /* issue bank reset to return to read mode */
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0;
+
+ return (info->size);
+}
+
+static int wait_for_DQ7_2(flash_info_t * info, int sect)
+{
+ ulong start, now, last;
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr =
+ (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]);
+
+ start = get_timer(0);
+ last = start;
+ while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) !=
+ (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080) {
+ if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf("Timeout\n");
+ return -1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc('.');
+ last = now;
+ }
+ }
+ return 0;
+}
+
+static int flash_erase_2(flash_info_t * info, int s_first, int s_last)
+{
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]);
+ volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2;
+ int flag, prot, sect;
+ int i;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf("- missing\n");
+ } else {
+ printf("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf("Can't erase unknown flash type - aborted\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");
+ }
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]);
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00500050; /* block erase */
+ for (i = 0; i < 50; i++)
+ udelay(1000); /* wait 1 ms */
+ } else {
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00800080;
+ addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00AA00AA;
+ addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00550055;
+ addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00300030; /* sector erase */
+ }
+ /*
+ * Wait for each sector to complete, it's more
+ * reliable. According to AMD Spec, you must
+ * issue all erase commands within a specified
+ * timeout. This has been seen to fail, especially
+ * if printf()s are included (for debug)!!
+ */
+ wait_for_DQ7_2(info, sect);
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay(1000);
+
+ /* reset to read mode */
+ addr = (CONFIG_SYS_FLASH_WORD_SIZE *) info->start[0];
+ addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
+
+ printf(" done\n");
+ return 0;
+}
+
+static int write_word_2(flash_info_t * info, ulong dest, ulong data)