return __raw_readl(addr);
}
-static u64 flash_read64(void *addr)
+static u64 __flash_read64(void *addr)
{
/* No architectures currently implement __raw_readq() */
return *(volatile u64 *)addr;
}
+u64 flash_read64(void *addr)__attribute__((weak, alias("__flash_read64")));
+
/*-----------------------------------------------------------------------
*/
#if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
}
/*-----------------------------------------------------------------------
+ * read a word at a port width address, assume 16bit bus
+ */
+static inline ushort flash_read_word (flash_info_t * info, uint offset)
+{
+ ushort *addr, retval;
+
+ addr = flash_map (info, 0, offset);
+ retval = flash_read16 (addr);
+ flash_unmap (info, 0, offset, addr);
+ return retval;
+}
+
+
+/*-----------------------------------------------------------------------
* read a long word by picking the least significant byte of each maximum
* port size word. Swap for ppc format.
*/
}
/*-----------------------------------------------------------------------
+ * This is used in a few places in write_buf() to show programming
+ * progress. Making it a function is nasty because it needs to do side
+ * effect updates to digit and dots. Repeated code is nasty too, so
+ * we define it once here.
+ */
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+#define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) \
+ dots -= dots_sub; \
+ if ((scale > 0) && (dots <= 0)) { \
+ if ((digit % 5) == 0) \
+ printf ("%d", digit / 5); \
+ else \
+ putc ('.'); \
+ digit--; \
+ dots += scale; \
+ }
+#else
+#define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub)
+#endif
+
+/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
int aln;
cfiword_t cword;
int i, rc;
-
#ifdef CFG_FLASH_USE_BUFFER_WRITE
int buffered_size;
#endif
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+ int digit = CONFIG_FLASH_SHOW_PROGRESS;
+ int scale = 0;
+ int dots = 0;
+
+ /*
+ * Suppress if there are fewer than CONFIG_FLASH_SHOW_PROGRESS writes.
+ */
+ if (cnt >= CONFIG_FLASH_SHOW_PROGRESS) {
+ scale = (int)((cnt + CONFIG_FLASH_SHOW_PROGRESS - 1) /
+ CONFIG_FLASH_SHOW_PROGRESS);
+ }
+#endif
+
/* get lower aligned address */
wp = (addr & ~(info->portwidth - 1));
return rc;
wp += i;
+ FLASH_SHOW_PROGRESS(scale, dots, digit, i);
}
/* handle the aligned part */
wp += i;
src += i;
cnt -= i;
+ FLASH_SHOW_PROGRESS(scale, dots, digit, i);
}
#else
while (cnt >= info->portwidth) {
return rc;
wp += info->portwidth;
cnt -= info->portwidth;
+ FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth);
}
#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+
if (cnt == 0) {
return (0);
}
flash_unlock_seq(info, 0);
flash_write_cmd(info, 0, info->addr_unlock1, FLASH_CMD_READ_ID);
udelay(1000); /* some flash are slow to respond */
+
info->manufacturer_id = flash_read_uchar (info,
FLASH_OFFSET_MANUFACTURER_ID);
- info->device_id = flash_read_uchar (info,
- FLASH_OFFSET_DEVICE_ID);
- if (info->device_id == 0x7E) {
- /* AMD 3-byte (expanded) device ids */
- info->device_id2 = flash_read_uchar (info,
- FLASH_OFFSET_DEVICE_ID2);
- info->device_id2 <<= 8;
- info->device_id2 |= flash_read_uchar (info,
- FLASH_OFFSET_DEVICE_ID3);
+
+ switch (info->chipwidth){
+ case FLASH_CFI_8BIT:
+ info->device_id = flash_read_uchar (info,
+ FLASH_OFFSET_DEVICE_ID);
+ if (info->device_id == 0x7E) {
+ /* AMD 3-byte (expanded) device ids */
+ info->device_id2 = flash_read_uchar (info,
+ FLASH_OFFSET_DEVICE_ID2);
+ info->device_id2 <<= 8;
+ info->device_id2 |= flash_read_uchar (info,
+ FLASH_OFFSET_DEVICE_ID3);
+ }
+ break;
+ case FLASH_CFI_16BIT:
+ info->device_id = flash_read_word (info,
+ FLASH_OFFSET_DEVICE_ID);
+ break;
+ default:
+ break;
}
flash_write_cmd(info, 0, 0, AMD_CMD_RESET);
}