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authorGary Jennejohn <garyj@denx.de>2008-11-20 11:37:26 +0100
committerWolfgang Denk <wd@denx.de>2009-01-24 00:42:04 +0100
commit0c0ccf401ee03a5008fc2c19b05a662bce1a1086 (patch)
tree7499a6bbb0d01dd59448fbd67589079b8a75e162
parent1e8f4e78ca393b3d8e86bd8055758dd465d9113f (diff)
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POWERPC 82xx: add the SCC as an HDLC controller
Right now this is only used by keymile. Signed-off-by: Gary Jennejohn <garyj@denx.de>
-rw-r--r--include/asm-ppc/cpm_8260.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-ppc/cpm_8260.h b/include/asm-ppc/cpm_8260.h
index 7e06940..8302404 100644
--- a/include/asm-ppc/cpm_8260.h
+++ b/include/asm-ppc/cpm_8260.h
@@ -546,6 +546,34 @@ typedef struct scc_trans {
#define BD_SCC_TX_LAST ((ushort)0x0800)
+/* SCC as HDLC controller - taken from commproc.h
+ */
+typedef struct scc_hdlc {
+ sccp_t sh_genscc;
+ /*
+ * HDLC specific parameter RAM
+ */
+ uchar res[4]; /* reserved */
+ ulong sh_cmask; /* CRC constant */
+ ulong sh_cpres; /* CRC preset */
+ ushort sh_disfc; /* discarded frame counter */
+ ushort sh_crcec; /* CRC error counter */
+ ushort sh_abtsc; /* abort sequence counter */
+ ushort sh_nmarc; /* nonmatching address rx cnt */
+ ushort sh_retrc; /* frame retransmission cnt */
+ ushort sh_mflr; /* maximum frame length reg */
+ ushort sh_maxcnt; /* maximum length counter */
+ ushort sh_rfthr; /* received frames threshold */
+ ushort sh_rfcnt; /* received frames count */
+ ushort sh_hmask; /* user defined frm addr mask */
+ ushort sh_haddr1; /* user defined frm address 1 */
+ ushort sh_haddr2; /* user defined frm address 2 */
+ ushort sh_haddr3; /* user defined frm address 3 */
+ ushort sh_haddr4; /* user defined frm address 4 */
+ ushort tmp; /* temp */
+ ushort tmp_mb; /* temp */
+} scc_hdlc_t;
+
/* How about some FCCs.....
*/
#define FCC_GFMR_DIAG_NORM ((uint)0x00000000)