[U-Boot] [PATCH] 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 --- include/asm-ppc/cpm_8260.h | 28 ++++++++++++++++++++++++++++ 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)

Dear Gary Jennejohn,
In message 20081120113726.0501abce@ernst.jennejohn.org you wrote:
Right now this is only used by keymile.
Signed-off-by: Gary Jennejohn garyj@denx.de
include/asm-ppc/cpm_8260.h | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-)
Applied, thanks.
Best regards,
Wolfgang Denk
participants (2)
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Gary Jennejohn
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Wolfgang Denk