53493dcf6e
Replace uintX_t declarations with uX declarations. Replace intX_t declarations with sX declarations. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
302 lines
11 KiB
C
302 lines
11 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 1992-1997,2000-2006 Silicon Graphics, Inc. All Rights
|
|
* Reserved.
|
|
*/
|
|
#ifndef _ASM_IA64_SN_XTALK_XBOW_H
|
|
#define _ASM_IA64_SN_XTALK_XBOW_H
|
|
|
|
#define XBOW_PORT_8 0x8
|
|
#define XBOW_PORT_C 0xc
|
|
#define XBOW_PORT_F 0xf
|
|
|
|
#define MAX_XBOW_PORTS 8 /* number of ports on xbow chip */
|
|
#define BASE_XBOW_PORT XBOW_PORT_8 /* Lowest external port */
|
|
|
|
#define XBOW_CREDIT 4
|
|
|
|
#define MAX_XBOW_NAME 16
|
|
|
|
/* Register set for each xbow link */
|
|
typedef volatile struct xb_linkregs_s {
|
|
/*
|
|
* we access these through synergy unswizzled space, so the address
|
|
* gets twiddled (i.e. references to 0x4 actually go to 0x0 and vv.)
|
|
* That's why we put the register first and filler second.
|
|
*/
|
|
u32 link_ibf;
|
|
u32 filler0; /* filler for proper alignment */
|
|
u32 link_control;
|
|
u32 filler1;
|
|
u32 link_status;
|
|
u32 filler2;
|
|
u32 link_arb_upper;
|
|
u32 filler3;
|
|
u32 link_arb_lower;
|
|
u32 filler4;
|
|
u32 link_status_clr;
|
|
u32 filler5;
|
|
u32 link_reset;
|
|
u32 filler6;
|
|
u32 link_aux_status;
|
|
u32 filler7;
|
|
} xb_linkregs_t;
|
|
|
|
typedef volatile struct xbow_s {
|
|
/* standard widget configuration 0x000000-0x000057 */
|
|
struct widget_cfg xb_widget; /* 0x000000 */
|
|
|
|
/* helper fieldnames for accessing bridge widget */
|
|
|
|
#define xb_wid_id xb_widget.w_id
|
|
#define xb_wid_stat xb_widget.w_status
|
|
#define xb_wid_err_upper xb_widget.w_err_upper_addr
|
|
#define xb_wid_err_lower xb_widget.w_err_lower_addr
|
|
#define xb_wid_control xb_widget.w_control
|
|
#define xb_wid_req_timeout xb_widget.w_req_timeout
|
|
#define xb_wid_int_upper xb_widget.w_intdest_upper_addr
|
|
#define xb_wid_int_lower xb_widget.w_intdest_lower_addr
|
|
#define xb_wid_err_cmdword xb_widget.w_err_cmd_word
|
|
#define xb_wid_llp xb_widget.w_llp_cfg
|
|
#define xb_wid_stat_clr xb_widget.w_tflush
|
|
|
|
/*
|
|
* we access these through synergy unswizzled space, so the address
|
|
* gets twiddled (i.e. references to 0x4 actually go to 0x0 and vv.)
|
|
* That's why we put the register first and filler second.
|
|
*/
|
|
/* xbow-specific widget configuration 0x000058-0x0000FF */
|
|
u32 xb_wid_arb_reload; /* 0x00005C */
|
|
u32 _pad_000058;
|
|
u32 xb_perf_ctr_a; /* 0x000064 */
|
|
u32 _pad_000060;
|
|
u32 xb_perf_ctr_b; /* 0x00006c */
|
|
u32 _pad_000068;
|
|
u32 xb_nic; /* 0x000074 */
|
|
u32 _pad_000070;
|
|
|
|
/* Xbridge only */
|
|
u32 xb_w0_rst_fnc; /* 0x00007C */
|
|
u32 _pad_000078;
|
|
u32 xb_l8_rst_fnc; /* 0x000084 */
|
|
u32 _pad_000080;
|
|
u32 xb_l9_rst_fnc; /* 0x00008c */
|
|
u32 _pad_000088;
|
|
u32 xb_la_rst_fnc; /* 0x000094 */
|
|
u32 _pad_000090;
|
|
u32 xb_lb_rst_fnc; /* 0x00009c */
|
|
u32 _pad_000098;
|
|
u32 xb_lc_rst_fnc; /* 0x0000a4 */
|
|
u32 _pad_0000a0;
|
|
u32 xb_ld_rst_fnc; /* 0x0000ac */
|
|
u32 _pad_0000a8;
|
|
u32 xb_le_rst_fnc; /* 0x0000b4 */
|
|
u32 _pad_0000b0;
|
|
u32 xb_lf_rst_fnc; /* 0x0000bc */
|
|
u32 _pad_0000b8;
|
|
u32 xb_lock; /* 0x0000c4 */
|
|
u32 _pad_0000c0;
|
|
u32 xb_lock_clr; /* 0x0000cc */
|
|
u32 _pad_0000c8;
|
|
/* end of Xbridge only */
|
|
u32 _pad_0000d0[12];
|
|
|
|
/* Link Specific Registers, port 8..15 0x000100-0x000300 */
|
|
xb_linkregs_t xb_link_raw[MAX_XBOW_PORTS];
|
|
} xbow_t;
|
|
|
|
#define xb_link(p) xb_link_raw[(p) & (MAX_XBOW_PORTS - 1)]
|
|
|
|
#define XB_FLAGS_EXISTS 0x1 /* device exists */
|
|
#define XB_FLAGS_MASTER 0x2
|
|
#define XB_FLAGS_SLAVE 0x0
|
|
#define XB_FLAGS_GBR 0x4
|
|
#define XB_FLAGS_16BIT 0x8
|
|
#define XB_FLAGS_8BIT 0x0
|
|
|
|
/* is widget port number valid? (based on version 7.0 of xbow spec) */
|
|
#define XBOW_WIDGET_IS_VALID(wid) ((wid) >= XBOW_PORT_8 && (wid) <= XBOW_PORT_F)
|
|
|
|
/* whether to use upper or lower arbitration register, given source widget id */
|
|
#define XBOW_ARB_IS_UPPER(wid) ((wid) >= XBOW_PORT_8 && (wid) <= XBOW_PORT_B)
|
|
#define XBOW_ARB_IS_LOWER(wid) ((wid) >= XBOW_PORT_C && (wid) <= XBOW_PORT_F)
|
|
|
|
/* offset of arbitration register, given source widget id */
|
|
#define XBOW_ARB_OFF(wid) (XBOW_ARB_IS_UPPER(wid) ? 0x1c : 0x24)
|
|
|
|
#define XBOW_WID_ID WIDGET_ID
|
|
#define XBOW_WID_STAT WIDGET_STATUS
|
|
#define XBOW_WID_ERR_UPPER WIDGET_ERR_UPPER_ADDR
|
|
#define XBOW_WID_ERR_LOWER WIDGET_ERR_LOWER_ADDR
|
|
#define XBOW_WID_CONTROL WIDGET_CONTROL
|
|
#define XBOW_WID_REQ_TO WIDGET_REQ_TIMEOUT
|
|
#define XBOW_WID_INT_UPPER WIDGET_INTDEST_UPPER_ADDR
|
|
#define XBOW_WID_INT_LOWER WIDGET_INTDEST_LOWER_ADDR
|
|
#define XBOW_WID_ERR_CMDWORD WIDGET_ERR_CMD_WORD
|
|
#define XBOW_WID_LLP WIDGET_LLP_CFG
|
|
#define XBOW_WID_STAT_CLR WIDGET_TFLUSH
|
|
#define XBOW_WID_ARB_RELOAD 0x5c
|
|
#define XBOW_WID_PERF_CTR_A 0x64
|
|
#define XBOW_WID_PERF_CTR_B 0x6c
|
|
#define XBOW_WID_NIC 0x74
|
|
|
|
/* Xbridge only */
|
|
#define XBOW_W0_RST_FNC 0x00007C
|
|
#define XBOW_L8_RST_FNC 0x000084
|
|
#define XBOW_L9_RST_FNC 0x00008c
|
|
#define XBOW_LA_RST_FNC 0x000094
|
|
#define XBOW_LB_RST_FNC 0x00009c
|
|
#define XBOW_LC_RST_FNC 0x0000a4
|
|
#define XBOW_LD_RST_FNC 0x0000ac
|
|
#define XBOW_LE_RST_FNC 0x0000b4
|
|
#define XBOW_LF_RST_FNC 0x0000bc
|
|
#define XBOW_RESET_FENCE(x) ((x) > 7 && (x) < 16) ? \
|
|
(XBOW_W0_RST_FNC + ((x) - 7) * 8) : \
|
|
((x) == 0) ? XBOW_W0_RST_FNC : 0
|
|
#define XBOW_LOCK 0x0000c4
|
|
#define XBOW_LOCK_CLR 0x0000cc
|
|
/* End of Xbridge only */
|
|
|
|
/* used only in ide, but defined here within the reserved portion */
|
|
/* of the widget0 address space (before 0xf4) */
|
|
#define XBOW_WID_UNDEF 0xe4
|
|
|
|
/* xbow link register set base, legal value for x is 0x8..0xf */
|
|
#define XB_LINK_BASE 0x100
|
|
#define XB_LINK_OFFSET 0x40
|
|
#define XB_LINK_REG_BASE(x) (XB_LINK_BASE + ((x) & (MAX_XBOW_PORTS - 1)) * XB_LINK_OFFSET)
|
|
|
|
#define XB_LINK_IBUF_FLUSH(x) (XB_LINK_REG_BASE(x) + 0x4)
|
|
#define XB_LINK_CTRL(x) (XB_LINK_REG_BASE(x) + 0xc)
|
|
#define XB_LINK_STATUS(x) (XB_LINK_REG_BASE(x) + 0x14)
|
|
#define XB_LINK_ARB_UPPER(x) (XB_LINK_REG_BASE(x) + 0x1c)
|
|
#define XB_LINK_ARB_LOWER(x) (XB_LINK_REG_BASE(x) + 0x24)
|
|
#define XB_LINK_STATUS_CLR(x) (XB_LINK_REG_BASE(x) + 0x2c)
|
|
#define XB_LINK_RESET(x) (XB_LINK_REG_BASE(x) + 0x34)
|
|
#define XB_LINK_AUX_STATUS(x) (XB_LINK_REG_BASE(x) + 0x3c)
|
|
|
|
/* link_control(x) */
|
|
#define XB_CTRL_LINKALIVE_IE 0x80000000 /* link comes alive */
|
|
/* reserved: 0x40000000 */
|
|
#define XB_CTRL_PERF_CTR_MODE_MSK 0x30000000 /* perf counter mode */
|
|
#define XB_CTRL_IBUF_LEVEL_MSK 0x0e000000 /* input packet buffer
|
|
level */
|
|
#define XB_CTRL_8BIT_MODE 0x01000000 /* force link into 8
|
|
bit mode */
|
|
#define XB_CTRL_BAD_LLP_PKT 0x00800000 /* force bad LLP
|
|
packet */
|
|
#define XB_CTRL_WIDGET_CR_MSK 0x007c0000 /* LLP widget credit
|
|
mask */
|
|
#define XB_CTRL_WIDGET_CR_SHFT 18 /* LLP widget credit
|
|
shift */
|
|
#define XB_CTRL_ILLEGAL_DST_IE 0x00020000 /* illegal destination
|
|
*/
|
|
#define XB_CTRL_OALLOC_IBUF_IE 0x00010000 /* overallocated input
|
|
buffer */
|
|
/* reserved: 0x0000fe00 */
|
|
#define XB_CTRL_BNDWDTH_ALLOC_IE 0x00000100 /* bandwidth alloc */
|
|
#define XB_CTRL_RCV_CNT_OFLOW_IE 0x00000080 /* rcv retry overflow */
|
|
#define XB_CTRL_XMT_CNT_OFLOW_IE 0x00000040 /* xmt retry overflow */
|
|
#define XB_CTRL_XMT_MAX_RTRY_IE 0x00000020 /* max transmit retry */
|
|
#define XB_CTRL_RCV_IE 0x00000010 /* receive */
|
|
#define XB_CTRL_XMT_RTRY_IE 0x00000008 /* transmit retry */
|
|
/* reserved: 0x00000004 */
|
|
#define XB_CTRL_MAXREQ_TOUT_IE 0x00000002 /* maximum request
|
|
timeout */
|
|
#define XB_CTRL_SRC_TOUT_IE 0x00000001 /* source timeout */
|
|
|
|
/* link_status(x) */
|
|
#define XB_STAT_LINKALIVE XB_CTRL_LINKALIVE_IE
|
|
/* reserved: 0x7ff80000 */
|
|
#define XB_STAT_MULTI_ERR 0x00040000 /* multi error */
|
|
#define XB_STAT_ILLEGAL_DST_ERR XB_CTRL_ILLEGAL_DST_IE
|
|
#define XB_STAT_OALLOC_IBUF_ERR XB_CTRL_OALLOC_IBUF_IE
|
|
#define XB_STAT_BNDWDTH_ALLOC_ID_MSK 0x0000ff00 /* port bitmask */
|
|
#define XB_STAT_RCV_CNT_OFLOW_ERR XB_CTRL_RCV_CNT_OFLOW_IE
|
|
#define XB_STAT_XMT_CNT_OFLOW_ERR XB_CTRL_XMT_CNT_OFLOW_IE
|
|
#define XB_STAT_XMT_MAX_RTRY_ERR XB_CTRL_XMT_MAX_RTRY_IE
|
|
#define XB_STAT_RCV_ERR XB_CTRL_RCV_IE
|
|
#define XB_STAT_XMT_RTRY_ERR XB_CTRL_XMT_RTRY_IE
|
|
/* reserved: 0x00000004 */
|
|
#define XB_STAT_MAXREQ_TOUT_ERR XB_CTRL_MAXREQ_TOUT_IE
|
|
#define XB_STAT_SRC_TOUT_ERR XB_CTRL_SRC_TOUT_IE
|
|
|
|
/* link_aux_status(x) */
|
|
#define XB_AUX_STAT_RCV_CNT 0xff000000
|
|
#define XB_AUX_STAT_XMT_CNT 0x00ff0000
|
|
#define XB_AUX_STAT_TOUT_DST 0x0000ff00
|
|
#define XB_AUX_LINKFAIL_RST_BAD 0x00000040
|
|
#define XB_AUX_STAT_PRESENT 0x00000020
|
|
#define XB_AUX_STAT_PORT_WIDTH 0x00000010
|
|
/* reserved: 0x0000000f */
|
|
|
|
/*
|
|
* link_arb_upper/link_arb_lower(x), (reg) should be the link_arb_upper
|
|
* register if (x) is 0x8..0xb, link_arb_lower if (x) is 0xc..0xf
|
|
*/
|
|
#define XB_ARB_GBR_MSK 0x1f
|
|
#define XB_ARB_RR_MSK 0x7
|
|
#define XB_ARB_GBR_SHFT(x) (((x) & 0x3) * 8)
|
|
#define XB_ARB_RR_SHFT(x) (((x) & 0x3) * 8 + 5)
|
|
#define XB_ARB_GBR_CNT(reg,x) ((reg) >> XB_ARB_GBR_SHFT(x) & XB_ARB_GBR_MSK)
|
|
#define XB_ARB_RR_CNT(reg,x) ((reg) >> XB_ARB_RR_SHFT(x) & XB_ARB_RR_MSK)
|
|
|
|
/* XBOW_WID_STAT */
|
|
#define XB_WID_STAT_LINK_INTR_SHFT (24)
|
|
#define XB_WID_STAT_LINK_INTR_MASK (0xFF << XB_WID_STAT_LINK_INTR_SHFT)
|
|
#define XB_WID_STAT_LINK_INTR(x) \
|
|
(0x1 << (((x)&7) + XB_WID_STAT_LINK_INTR_SHFT))
|
|
#define XB_WID_STAT_WIDGET0_INTR 0x00800000
|
|
#define XB_WID_STAT_SRCID_MASK 0x000003c0 /* Xbridge only */
|
|
#define XB_WID_STAT_REG_ACC_ERR 0x00000020
|
|
#define XB_WID_STAT_RECV_TOUT 0x00000010 /* Xbridge only */
|
|
#define XB_WID_STAT_ARB_TOUT 0x00000008 /* Xbridge only */
|
|
#define XB_WID_STAT_XTALK_ERR 0x00000004
|
|
#define XB_WID_STAT_DST_TOUT 0x00000002 /* Xbridge only */
|
|
#define XB_WID_STAT_MULTI_ERR 0x00000001
|
|
|
|
#define XB_WID_STAT_SRCID_SHFT 6
|
|
|
|
/* XBOW_WID_CONTROL */
|
|
#define XB_WID_CTRL_REG_ACC_IE XB_WID_STAT_REG_ACC_ERR
|
|
#define XB_WID_CTRL_RECV_TOUT XB_WID_STAT_RECV_TOUT
|
|
#define XB_WID_CTRL_ARB_TOUT XB_WID_STAT_ARB_TOUT
|
|
#define XB_WID_CTRL_XTALK_IE XB_WID_STAT_XTALK_ERR
|
|
|
|
/* XBOW_WID_INT_UPPER */
|
|
/* defined in xwidget.h for WIDGET_INTDEST_UPPER_ADDR */
|
|
|
|
/* XBOW WIDGET part number, in the ID register */
|
|
#define XBOW_WIDGET_PART_NUM 0x0 /* crossbow */
|
|
#define XXBOW_WIDGET_PART_NUM 0xd000 /* Xbridge */
|
|
#define XBOW_WIDGET_MFGR_NUM 0x0
|
|
#define XXBOW_WIDGET_MFGR_NUM 0x0
|
|
#define PXBOW_WIDGET_PART_NUM 0xd100 /* PIC */
|
|
|
|
#define XBOW_REV_1_0 0x1 /* xbow rev 1.0 is "1" */
|
|
#define XBOW_REV_1_1 0x2 /* xbow rev 1.1 is "2" */
|
|
#define XBOW_REV_1_2 0x3 /* xbow rev 1.2 is "3" */
|
|
#define XBOW_REV_1_3 0x4 /* xbow rev 1.3 is "4" */
|
|
#define XBOW_REV_2_0 0x5 /* xbow rev 2.0 is "5" */
|
|
|
|
#define XXBOW_PART_REV_1_0 (XXBOW_WIDGET_PART_NUM << 4 | 0x1 )
|
|
#define XXBOW_PART_REV_2_0 (XXBOW_WIDGET_PART_NUM << 4 | 0x2 )
|
|
|
|
/* XBOW_WID_ARB_RELOAD */
|
|
#define XBOW_WID_ARB_RELOAD_INT 0x3f /* GBR reload interval */
|
|
|
|
#define IS_XBRIDGE_XBOW(wid) \
|
|
(XWIDGET_PART_NUM(wid) == XXBOW_WIDGET_PART_NUM && \
|
|
XWIDGET_MFG_NUM(wid) == XXBOW_WIDGET_MFGR_NUM)
|
|
|
|
#define IS_PIC_XBOW(wid) \
|
|
(XWIDGET_PART_NUM(wid) == PXBOW_WIDGET_PART_NUM && \
|
|
XWIDGET_MFG_NUM(wid) == XXBOW_WIDGET_MFGR_NUM)
|
|
|
|
#define XBOW_WAR_ENABLED(pv, widid) ((1 << XWIDGET_REV_NUM(widid)) & pv)
|
|
|
|
#endif /* _ASM_IA64_SN_XTALK_XBOW_H */
|