summaryrefslogtreecommitdiff
path: root/cpu/mpc8xx
diff options
context:
space:
mode:
authorwdenk <wdenk>2003-08-05 17:43:17 +0000
committerwdenk <wdenk>2003-08-05 17:43:17 +0000
commitbdccc4fedcf9c5fc1f06e8f833d792198c9d04ae (patch)
tree00c1b93f6731d838eae4f8f688d4f95c14471d0a /cpu/mpc8xx
parent96dd9af4c7c5669924c2e40734b246f207b9a8b4 (diff)
downloadu-boot-imx-bdccc4fedcf9c5fc1f06e8f833d792198c9d04ae.zip
u-boot-imx-bdccc4fedcf9c5fc1f06e8f833d792198c9d04ae.tar.gz
u-boot-imx-bdccc4fedcf9c5fc1f06e8f833d792198c9d04ae.tar.bz2
* Map ISP1362 USB OTG controller for NSCU board
* Patch by Brad Parker, 02 Aug 2003: fix sc520_cdp problems * Implement Boot Cycle Detection (Req. 2.3 of OSDL CGL Reqirements) * Allow erase command to cross flash bank boundaries
Diffstat (limited to 'cpu/mpc8xx')
-rw-r--r--cpu/mpc8xx/commproc.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/cpu/mpc8xx/commproc.c b/cpu/mpc8xx/commproc.c
index 37c72a7..75740e0 100644
--- a/cpu/mpc8xx/commproc.c
+++ b/cpu/mpc8xx/commproc.c
@@ -110,3 +110,29 @@ ulong post_word_load (void)
}
#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+
+void bootcount_store (ulong a)
+{
+ volatile ulong *save_addr =
+ (volatile ulong *)( ((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem +
+ CPM_BOOTCOUNT_ADDR );
+
+ save_addr[0] = a;
+ save_addr[1] = BOOTCOUNT_MAGIC;
+}
+
+ulong bootcount_load (void)
+{
+ volatile ulong *save_addr =
+ (volatile ulong *)( ((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem +
+ CPM_BOOTCOUNT_ADDR );
+
+ if (save_addr[1] != BOOTCOUNT_MAGIC)
+ return 0;
+ else
+ return save_addr[0];
+}
+
+#endif /* CONFIG_BOOTCOUNT_LIMIT */