diff options
author | Jochen Friedrich <jochen@scram.de> | 2008-01-24 18:20:05 +0300 |
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committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-28 17:31:06 +0300 |
commit | 44f25fb4d0754c6c2ab5bf97990a671e19152139 (patch) | |
tree | 88116926057db0050f24d3f3a9dcb526c2342c73 /include/asm-powerpc/cpm.h | |
parent | b5677d848cbb94220ac2cfd36d93bcdbe49c3280 (diff) | |
download | linux-44f25fb4d0754c6c2ab5bf97990a671e19152139.tar.xz |
[POWERPC] CPM: Move definition of buffer descriptor to cpm.h
Buffer descriptors are used by both CPM1 and CPM2. Move the definitions
from the cpm dependent include file to common cpm.h
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'include/asm-powerpc/cpm.h')
-rw-r--r-- | include/asm-powerpc/cpm.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-powerpc/cpm.h b/include/asm-powerpc/cpm.h index fae83b137337..77e39dad9728 100644 --- a/include/asm-powerpc/cpm.h +++ b/include/asm-powerpc/cpm.h @@ -4,6 +4,79 @@ #include <linux/compiler.h> #include <linux/types.h> +/* Buffer descriptors used by many of the CPM protocols. */ +typedef struct cpm_buf_desc { + ushort cbd_sc; /* Status and Control */ + ushort cbd_datlen; /* Data length in buffer */ + uint cbd_bufaddr; /* Buffer address in host memory */ +} cbd_t; + +/* Buffer descriptor control/status used by serial + */ + +#define BD_SC_EMPTY (0x8000) /* Receive is empty */ +#define BD_SC_READY (0x8000) /* Transmit is ready */ +#define BD_SC_WRAP (0x2000) /* Last buffer descriptor */ +#define BD_SC_INTRPT (0x1000) /* Interrupt on change */ +#define BD_SC_LAST (0x0800) /* Last buffer in frame */ +#define BD_SC_TC (0x0400) /* Transmit CRC */ +#define BD_SC_CM (0x0200) /* Continous mode */ +#define BD_SC_ID (0x0100) /* Rec'd too many idles */ +#define BD_SC_P (0x0100) /* xmt preamble */ +#define BD_SC_BR (0x0020) /* Break received */ +#define BD_SC_FR (0x0010) /* Framing error */ +#define BD_SC_PR (0x0008) /* Parity error */ +#define BD_SC_NAK (0x0004) /* NAK - did not respond */ +#define BD_SC_OV (0x0002) /* Overrun */ +#define BD_SC_UN (0x0002) /* Underrun */ +#define BD_SC_CD (0x0001) /* */ +#define BD_SC_CL (0x0001) /* Collision */ + +/* Buffer descriptor control/status used by Ethernet receive. + * Common to SCC and FCC. + */ +#define BD_ENET_RX_EMPTY (0x8000) +#define BD_ENET_RX_WRAP (0x2000) +#define BD_ENET_RX_INTR (0x1000) +#define BD_ENET_RX_LAST (0x0800) +#define BD_ENET_RX_FIRST (0x0400) +#define BD_ENET_RX_MISS (0x0100) +#define BD_ENET_RX_BC (0x0080) /* FCC Only */ +#define BD_ENET_RX_MC (0x0040) /* FCC Only */ +#define BD_ENET_RX_LG (0x0020) +#define BD_ENET_RX_NO (0x0010) +#define BD_ENET_RX_SH (0x0008) +#define BD_ENET_RX_CR (0x0004) +#define BD_ENET_RX_OV (0x0002) +#define BD_ENET_RX_CL (0x0001) +#define BD_ENET_RX_STATS (0x01ff) /* All status bits */ + +/* Buffer descriptor control/status used by Ethernet transmit. + * Common to SCC and FCC. + */ +#define BD_ENET_TX_READY (0x8000) +#define BD_ENET_TX_PAD (0x4000) +#define BD_ENET_TX_WRAP (0x2000) +#define BD_ENET_TX_INTR (0x1000) +#define BD_ENET_TX_LAST (0x0800) +#define BD_ENET_TX_TC (0x0400) +#define BD_ENET_TX_DEF (0x0200) +#define BD_ENET_TX_HB (0x0100) +#define BD_ENET_TX_LC (0x0080) +#define BD_ENET_TX_RL (0x0040) +#define BD_ENET_TX_RCMASK (0x003c) +#define BD_ENET_TX_UN (0x0002) +#define BD_ENET_TX_CSL (0x0001) +#define BD_ENET_TX_STATS (0x03ff) /* All status bits */ + +/* Buffer descriptor control/status used by Transparent mode SCC. + */ +#define BD_SCC_TX_LAST (0x0800) + +/* Buffer descriptor control/status used by I2C. + */ +#define BD_I2C_START (0x0400) + int cpm_muram_init(void); unsigned long cpm_muram_alloc(unsigned long size, unsigned long align); int cpm_muram_free(unsigned long offset); |