From 0c0ccf401ee03a5008fc2c19b05a662bce1a1086 Mon Sep 17 00:00:00 2001 From: Gary Jennejohn Date: Thu, 20 Nov 2008 11:37:26 +0100 Subject: [PATCH] POWERPC 82xx: add the SCC as an HDLC controller Right now this is only used by keymile. Signed-off-by: Gary Jennejohn --- include/asm-ppc/cpm_8260.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/include/asm-ppc/cpm_8260.h b/include/asm-ppc/cpm_8260.h index 7e06940c97..8302404abb 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) -- 2.39.5