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Diffstat (limited to 'cfe/cfe/pci/ldtreg.h')
| -rw-r--r-- | cfe/cfe/pci/ldtreg.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/cfe/cfe/pci/ldtreg.h b/cfe/cfe/pci/ldtreg.h new file mode 100644 index 0000000..140effe --- /dev/null +++ b/cfe/cfe/pci/ldtreg.h @@ -0,0 +1,184 @@ +/* + * Copyright 2000,2001 + * Broadcom Corporation. All rights reserved. + * + * This software is furnished under license and may be used and + * copied only in accordance with the following terms and + * conditions. Subject to these conditions, you may download, + * copy, install, use, modify and distribute modified or unmodified + * copies of this software in source and/or binary form. No title + * or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce + * and retain this copyright notice and list of conditions as + * they appear in the source file. + * + * 2) No right is granted to use any trade name, trademark, or + * logo of Broadcom Corporation. Neither the "Broadcom + * Corporation" name nor any trademark or logo of Broadcom + * Corporation may be used to endorse or promote products + * derived from this software without the prior written + * permission of Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT + * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN + * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _LDTREG_H_ +#define _LDTREG_H_ + +/* + * LDT capability register definitions and macros. + * Derived from Revison 0.17 of the LDT (now HyperTransport) + * Specification with some 1.02/1.03 features. + * + * Note: Register and field definitions assume 32-bit register accesses. + */ + +/* + * LDT Capability registers (identified by offsets within the capability) + */ + +/* + * Command Register; contains command and capability fields. + */ +#define LDT_COMMAND_CAP_OFF 0x00 + +#define LDT_CAP_ID_MASK 0x000000ff +#define LDT_CAP_ID_SHIFT 0 +#define LDT_CAP_PTR_MASK 0x0000ff00 +#define LDT_CAP_PTR_SHIFT 8 + +#define LDT_COMMAND_MASK 0xffff0000 +#define LDT_COMMAND_SHIFT 16 +#define LDT_COMMAND(cmd) \ + (((cmd) & LDT_COMMAND_MASK) >> LDT_COMMAND_SHIFT) +#define LDT_COMMAND_TYPE_MASK 0xe0000000 +#define LDT_COMMAND_TYPE_SHIFT (16+13) +#define LDT_COMMAND_TYPE(cmd) \ + (((cmd) & LDT_COMMAND_TYPE_MASK) >> LDT_COMMAND_TYPE_SHIFT) +#define LDT_COMMAND_TYPE_SLAVE 0x0 +#define LDT_COMMAND_TYPE_HOST 0x1 +#define LDT_COMMAND_TYPE_IDC 0x4 +#define LDT_COMMAND_TYPE_AMAP 0x5 +/* Following for 1.0x only */ +#define LDT_COMMAND_DROP_ON_INIT 0x10000000 + +/* + * An LDT capability for type Slave (aka Primary, aka "tunnel") consists + * of a Command register, two Link registers, and two Freq/Rev registers. + */ +/* Slave/Primary commands */ +#define LDT_COMMAND_UNIT_ID_MASK 0x001f0000 +#define LDT_COMMAND_UNIT_ID_SHIFT (16+0) +#define LDT_COMMAND_UNIT_ID(cmd) \ + (((cmd) & LDT_COMMAND_UNIT_ID_MASK) >> LDT_COMMAND_UNIT_ID_SHIFT) +#define LDT_COMMAND_UNIT_COUNT_MASK 0x03e00000 +#define LDT_COMMAND_UNIT_COUNT_SHIFT (16+5) +#define LDT_COMMAND_UNIT_COUNT(cmd) \ + (((cmd) & LDT_COMMAND_UNIT_COUNT_MASK) >> LDT_COMMAND_UNIT_COUNT_SHIFT) +#define LDT_COMMAND_MASTER_HOST_MASK 0x04000000 +#define LDT_COMMAND_MASTER_HOST(cmd) \ + (((cmd) & LDT_COMMAND_MASTER_HOST_MASK) ? 1 : 0) +#define LDT_COMMAND_DEFAULT_DIRECTION_MASK 0x08000000 +#define LDT_COMMAND_DEFAULT_DIRECTION(cmd) \ + (((cmd) & LDT_COMMAND_DEFAULT_DIRECTION_MASK) ? 1 : 0) + +/* + * An LDT capability for type Host (aka Secondary) consists of a + * Command register, a single Link register, and a Freq/Rev register. + */ +/* Host/Secondary command fields */ +#define LDT_COMMAND_WARM_RESET 0x00010000 +#define LDT_COMMAND_DOUBLE_ENDED 0x00020000 +#define LDT_COMMAND_DEVICE_NUMBER_MASK 0x007c0000 +#define LDT_COMMAND_DEVICE_NUMBER_SHIFT (16+2) +/* Following for 1.0x only */ +#define LDT_COMMAND_CHAIN_SIDE 0x00800000 +#define LDT_COMMAND_HOST_HIDE 0x01000000 +#define LDT_COMMAND_ACT_AS_SLAVE 0x02000000 +#define LDT_COMMAND_INBOUND_EOC_ERROR 0x04000000 + + +/* + * Link Register; contains control and config fields. + */ +#define LDT_LINK_OFF(n) (0x04 + ((n)<<2)) + +#define LDT_LINKCTRL_MASK 0x0000ffff +#define LDT_LINKCTRL_SHIFT 0 +#define LDT_LINKCTRL(cr) \ + (((cr) & LDT_LINKCTRL_MASK) >> LDT_LINKCTRL_SHIFT) +#define LDT_LINKCTRL_CFLE 0x00000002 +#define LDT_LINKCTRL_CST 0x00000004 +#define LDT_LINKCTRL_CFE 0x00000008 +#define LDT_LINKCTRL_LINKFAIL 0x00000010 +#define LDT_LINKCTRL_INITDONE 0x00000020 +#define LDT_LINKCTRL_EOC 0x00000040 +#define LDT_LINKCTRL_TXOFF 0x00000080 +#define LDT_LINKCTRL_CRCERROR_MASK 0x00000f00 +#define LDT_LINKCTRL_CRCERROR_SHIFT 8 +#define LDT_LINKCTRL_ISOCEN 0x00001000 +#define LDT_LINKCTRL_LSEN 0x00002000 +/* Following for 1.0x only */ +#define LDT_LINKCTRL_EXTCTL 0x00004000 + +#define LDT_LINKCFG_MASK 0xffff0000 +#define LDT_LINKCFG_SHIFT 16 +#define LDT_LINKCFG(cr) \ + (((cr) & LDT_LINKCFG_MASK) >> LDT_LINKCFG_SHIFT) +#define LDT_LINKCFG_MAX_WIDTH_IN(cr) \ + (((cr) >> (16+0)) & 0xf) +#define LDT_LINKCFG_MAX_WIDTH_OUT(cr) \ + (((cr) >> (16+4)) & 0xf) +#define LDT_LINKCFG_WIDTH_IN(cr) \ + (((cr) >> (16+8)) & 0xf) +#define LDT_LINKCFG_WIDTH_OUT(cr) \ + (((cr) >> (16+12)) & 0xf) + + +/* + * Link Frequency Register; contains version and frequency fields. + */ +#define LDT_LINKFREQ_CAP(cr) \ + (((cr) >> 16) & 0xffff) + +#define LDT_LINKFREQ_MASK 0x00000f00 +#define LDT_LINKFREQ_SHIFT 8 +#define LDT_LINKFREQ(cr) \ + (((cr) >> 8) & 0x0f) + +#define LDT_REVISION_ID(cr) \ + (((cr) >> 0) & 0xff) + +#define LDT_REV_017 0x11 +#define LDT_REV_102 0x22 + +/* Slave/Primary offsets */ +#define LDT_FREQ0_OFF 0x0c +#define LDT_FREQ1_OFF 0x10 +#define LDT_FREQn_OFF(n) (0x0c + ((n)<<2)) + +/* Host/Secondary offsets */ +#define LDT_FREQ_OFF 0x08 + +#define LDT_FREQ_200 0x00 +#define LDT_FREQ_300 0x01 +#define LDT_FREQ_400 0x02 +#define LDT_FREQ_500 0x03 +#define LDT_FREQ_600 0x04 +#define LDT_FREQ_800 0x05 +#define LDT_FREQ_1000 0x06 + +#endif /* _LDTREG_H_ */ |