* Patch by Nicolas Lacressonniere, 11 Jun 2003:
Modifications for Atmel AT91RM9200DK ARM920T based development kit
- Add Atmel DataFlash support for reading and writing.
- Add possibility to boot a Linux from DataFlash with BOOTM command.
- Add Flash detection on Atmel AT91RM9200DK
(between Atmel AT49BV1614 and AT49BV1614A flashes)
- Replace old Ethernet PHY layer functions
- Change link address
* Patch by Frank Smith, 9 Jun 2003:
use CRIT_EXCEPTION for machine check on 4xx
* Patch by Detlev Zundel, 13 Jun 2003:
added implementation of the "carinfo" command in cmd_immap.c
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index af62bec..8af7c7c 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -56,6 +56,10 @@
#include <logbuff.h>
#endif
+#ifdef CONFIG_HAS_DATAFLASH
+#include <dataflash.h>
+#endif
+
/*
* Some systems (for example LWMON) have very short watchdog periods;
* we must make sure to split long operations like memmove() or
@@ -138,6 +142,11 @@
printf ("## Booting image at %08lx ...\n", addr);
/* Copy header so we can blank CRC field for re-calculation */
+#ifdef CONFIG_HAS_DATAFLASH
+ if (addr_dataflash(addr)){
+ read_dataflash(addr, sizeof(image_header_t), (char *)&header);
+ } else
+#endif
memmove (&header, (char *)addr, sizeof(image_header_t));
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
@@ -178,6 +187,13 @@
data = addr + sizeof(image_header_t);
len = ntohl(hdr->ih_size);
+#ifdef CONFIG_HAS_DATAFLASH
+ if (addr_dataflash(addr)){
+ read_dataflash(data, len, (char *)CFG_LOAD_ADDR);
+ data = CFG_LOAD_ADDR;
+ }
+#endif
+
if (verify) {
printf (" Verifying Checksum ... ");
if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
