| /* |
| * 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. |
| * |
| * xwidget.h - generic crosstalk widget header file, derived from IRIX |
| * <sys/xtalk/xtalkwidget.h>, revision 1.32. |
| * |
| * Copyright (C) 1996, 1999 Silcon Graphics, Inc. |
| * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) |
| */ |
| #ifndef _ASM_XTALK_XWIDGET_H |
| #define _ASM_XTALK_XWIDGET_H |
| |
| #include <linux/types.h> |
| #include <asm/xtalk/xtalk.h> |
| |
| #define WIDGET_ID 0x04 |
| #define WIDGET_STATUS 0x0c |
| #define WIDGET_ERR_UPPER_ADDR 0x14 |
| #define WIDGET_ERR_LOWER_ADDR 0x1c |
| #define WIDGET_CONTROL 0x24 |
| #define WIDGET_REQ_TIMEOUT 0x2c |
| #define WIDGET_INTDEST_UPPER_ADDR 0x34 |
| #define WIDGET_INTDEST_LOWER_ADDR 0x3c |
| #define WIDGET_ERR_CMD_WORD 0x44 |
| #define WIDGET_LLP_CFG 0x4c |
| #define WIDGET_TFLUSH 0x54 |
| |
| /* WIDGET_ID */ |
| #define WIDGET_REV_NUM 0xf0000000 |
| #define WIDGET_PART_NUM 0x0ffff000 |
| #define WIDGET_MFG_NUM 0x00000ffe |
| #define WIDGET_REV_NUM_SHFT 28 |
| #define WIDGET_PART_NUM_SHFT 12 |
| #define WIDGET_MFG_NUM_SHFT 1 |
| |
| #define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT) |
| #define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT) |
| #define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT) |
| |
| /* WIDGET_STATUS */ |
| #define WIDGET_LLP_REC_CNT 0xff000000 |
| #define WIDGET_LLP_TX_CNT 0x00ff0000 |
| #define WIDGET_PENDING 0x0000001f |
| |
| /* WIDGET_ERR_UPPER_ADDR */ |
| #define WIDGET_ERR_UPPER_ADDR_ONLY 0x0000ffff |
| |
| /* WIDGET_CONTROL */ |
| #define WIDGET_F_BAD_PKT 0x00010000 |
| #define WIDGET_LLP_XBAR_CRD 0x0000f000 |
| #define WIDGET_LLP_XBAR_CRD_SHFT 12 |
| #define WIDGET_CLR_RLLP_CNT 0x00000800 |
| #define WIDGET_CLR_TLLP_CNT 0x00000400 |
| #define WIDGET_SYS_END 0x00000200 |
| #define WIDGET_MAX_TRANS 0x000001f0 |
| #define WIDGET_WIDGET_ID 0x0000000f |
| |
| /* WIDGET_INTDEST_UPPER_ADDR */ |
| #define WIDGET_INT_VECTOR 0xff000000 |
| #define WIDGET_INT_VECTOR_SHFT 24 |
| #define WIDGET_TARGET_ID 0x000f0000 |
| #define WIDGET_TARGET_ID_SHFT 16 |
| #define WIDGET_UPP_ADDR 0x0000ffff |
| |
| /* WIDGET_ERR_CMD_WORD */ |
| #define WIDGET_DIDN 0xf0000000 |
| #define WIDGET_SIDN 0x0f000000 |
| #define WIDGET_PACTYP 0x00f00000 |
| #define WIDGET_TNUM 0x000f8000 |
| #define WIDGET_COHERENT 0x00004000 |
| #define WIDGET_DS 0x00003000 |
| #define WIDGET_GBR 0x00000800 |
| #define WIDGET_VBPM 0x00000400 |
| #define WIDGET_ERROR 0x00000200 |
| #define WIDGET_BARRIER 0x00000100 |
| |
| /* WIDGET_LLP_CFG */ |
| #define WIDGET_LLP_MAXRETRY 0x03ff0000 |
| #define WIDGET_LLP_MAXRETRY_SHFT 16 |
| #define WIDGET_LLP_NULLTIMEOUT 0x0000fc00 |
| #define WIDGET_LLP_NULLTIMEOUT_SHFT 10 |
| #define WIDGET_LLP_MAXBURST 0x000003ff |
| #define WIDGET_LLP_MAXBURST_SHFT 0 |
| |
| /* Xtalk Widget Device Mfgr Nums */ |
| #define WIDGET_XBOW_MFGR_NUM 0x0 /* IP30 XBow Chip */ |
| #define WIDGET_XXBOW_MFGR_NUM 0x0 /* IP35 Xbow + XBridge Chip */ |
| #define WIDGET_ODYS_MFGR_NUM 0x023 /* Odyssey / VPro GFX */ |
| #define WIDGET_TPU_MFGR_NUM 0x024 /* Tensor Processor Unit */ |
| #define WIDGET_XBRDG_MFGR_NUM 0x024 /* IP35 XBridge Chip */ |
| #define WIDGET_HEART_MFGR_NUM 0x036 /* IP30 HEART Chip */ |
| #define WIDGET_BRIDG_MFGR_NUM 0x036 /* PCI Bridge */ |
| #define WIDGET_HUB_MFGR_NUM 0x036 /* IP27 Hub Chip */ |
| #define WIDGET_BDRCK_MFGR_NUM 0x036 /* IP35 Bedrock Chip */ |
| #define WIDGET_IMPCT_MFGR_NUM 0x2aa /* HQ4 / Impact GFX */ |
| #define WIDGET_KONA_MFGR_NUM 0x2aa /* InfiniteReality3 / Kona GFX */ |
| #define WIDGET_NULL_MFGR_NUM -1 /* NULL */ |
| |
| /* Xtalk Widget Device Part Nums */ |
| #define WIDGET_XBOW_PART_NUM 0x0000 |
| #define WIDGET_HEART_PART_NUM 0xc001 |
| #define WIDGET_BRIDG_PART_NUM 0xc002 |
| #define WIDGET_IMPCT_PART_NUM 0xc003 |
| #define WIDGET_ODYS_PART_NUM 0xc013 |
| #define WIDGET_HUB_PART_NUM 0xc101 |
| #define WIDGET_KONA_PART_NUM 0xc102 |
| #define WIDGET_BDRCK_PART_NUM 0xc110 |
| #define WIDGET_TPU_PART_NUM 0xc202 |
| #define WIDGET_XXBOW_PART_NUM 0xd000 |
| #define WIDGET_XBRDG_PART_NUM 0xd002 |
| #define WIDGET_NULL_PART_NUM -1 |
| |
| /* For Xtalk Widget identification */ |
| struct widget_ident { |
| u32 mfgr; |
| u32 part; |
| char *name; |
| char *revs[16]; |
| }; |
| |
| /* Known Xtalk Widgets */ |
| static const struct widget_ident __initconst widget_idents[] = { |
| { |
| WIDGET_XBOW_MFGR_NUM, |
| WIDGET_XBOW_PART_NUM, |
| "xbow", |
| {NULL, "1.0", "1.1", "1.2", "1.3", "2.0", NULL}, |
| }, |
| { |
| WIDGET_HEART_MFGR_NUM, |
| WIDGET_HEART_PART_NUM, |
| "heart", |
| {NULL, "A", "B", "C", "D", "E", "F", NULL}, |
| }, |
| { |
| WIDGET_BRIDG_MFGR_NUM, |
| WIDGET_BRIDG_PART_NUM, |
| "bridge", |
| {NULL, "A", "B", "C", "D", NULL}, |
| }, |
| { |
| WIDGET_IMPCT_MFGR_NUM, |
| WIDGET_IMPCT_PART_NUM, |
| "impact", |
| {NULL, "A", "B", NULL}, |
| }, |
| { |
| WIDGET_ODYS_MFGR_NUM, |
| WIDGET_ODYS_PART_NUM, |
| "odyssey", |
| {NULL, "A", "B", NULL}, |
| }, |
| { |
| WIDGET_HUB_MFGR_NUM, |
| WIDGET_HUB_PART_NUM, |
| "hub", |
| {NULL, "1.0", "2.0", "2.1", "2.2", "2.3", "2.4", NULL}, |
| }, |
| { |
| WIDGET_KONA_MFGR_NUM, |
| WIDGET_KONA_PART_NUM, |
| "kona", |
| {NULL}, |
| }, |
| { |
| WIDGET_BDRCK_MFGR_NUM, |
| WIDGET_BDRCK_PART_NUM, |
| "bedrock", |
| {NULL, "1.0", "1.1", NULL}, |
| }, |
| { |
| WIDGET_TPU_MFGR_NUM, |
| WIDGET_TPU_PART_NUM, |
| "tpu", |
| {"0", NULL}, |
| }, |
| { |
| WIDGET_XXBOW_MFGR_NUM, |
| WIDGET_XXBOW_PART_NUM, |
| "xxbow", |
| {NULL, "1.0", "2.0", NULL}, |
| }, |
| { |
| WIDGET_XBRDG_MFGR_NUM, |
| WIDGET_XBRDG_PART_NUM, |
| "xbridge", |
| {NULL, "A", "B", NULL}, |
| }, |
| { |
| WIDGET_NULL_MFGR_NUM, |
| WIDGET_NULL_PART_NUM, |
| NULL, |
| {NULL}, |
| } |
| }; |
| |
| /* |
| * according to the crosstalk spec, only 32-bits access to the widget |
| * configuration registers is allowed. some widgets may allow 64-bits |
| * access but software should not depend on it. registers beyond the |
| * widget target flush register are widget dependent thus will not be |
| * defined here |
| */ |
| #ifndef __ASSEMBLY__ |
| typedef u32 widgetreg_t; |
| |
| /* widget configuration registers */ |
| typedef volatile struct widget_cfg { |
| widgetreg_t w_pad_0; /* 0x00 */ |
| widgetreg_t w_id; /* 0x04 */ |
| widgetreg_t w_pad_1; /* 0x08 */ |
| widgetreg_t w_status; /* 0x0c */ |
| widgetreg_t w_pad_2; /* 0x10 */ |
| widgetreg_t w_err_upper_addr; /* 0x14 */ |
| widgetreg_t w_pad_3; /* 0x18 */ |
| widgetreg_t w_err_lower_addr; /* 0x1c */ |
| widgetreg_t w_pad_4; /* 0x20 */ |
| widgetreg_t w_control; /* 0x24 */ |
| widgetreg_t w_pad_5; /* 0x28 */ |
| widgetreg_t w_req_timeout; /* 0x2c */ |
| widgetreg_t w_pad_6; /* 0x30 */ |
| widgetreg_t w_intdest_upper_addr; /* 0x34 */ |
| widgetreg_t w_pad_7; /* 0x38 */ |
| widgetreg_t w_intdest_lower_addr; /* 0x3c */ |
| widgetreg_t w_pad_8; /* 0x40 */ |
| widgetreg_t w_err_cmd_word; /* 0x44 */ |
| widgetreg_t w_pad_9; /* 0x48 */ |
| widgetreg_t w_llp_cfg; /* 0x4c */ |
| widgetreg_t w_pad_10; /* 0x50 */ |
| widgetreg_t w_tflush; /* 0x54 */ |
| } widget_cfg_t; |
| |
| typedef struct { |
| unsigned didn:4; |
| unsigned sidn:4; |
| unsigned pactyp:4; |
| unsigned tnum:5; |
| unsigned ct:1; |
| unsigned ds:2; |
| unsigned gbr:1; |
| unsigned vbpm:1; |
| unsigned error:1; |
| unsigned bo:1; |
| unsigned other:8; |
| } w_err_cmd_word_f; |
| |
| typedef union { |
| widgetreg_t r; |
| w_err_cmd_word_f f; |
| } w_err_cmd_word_u; |
| |
| typedef struct xwidget_info_s *xwidget_info_t; |
| |
| /* |
| * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec. |
| */ |
| typedef struct xwidget_hwid_s { |
| xwidget_part_num_t part_num; |
| xwidget_rev_num_t rev_num; |
| xwidget_mfg_num_t mfg_num; |
| } *xwidget_hwid_t; |
| |
| |
| /* |
| * Returns 1 if a driver that handles devices described by hwid1 is able |
| * to manage a device with hardwareid hwid2. NOTE: We don't check rev |
| * numbers at all. |
| */ |
| #define XWIDGET_HARDWARE_ID_MATCH(hwid1, hwid2) \ |
| (((hwid1)->part_num == (hwid2)->part_num) && \ |
| (((hwid1)->mfg_num == XWIDGET_MFG_NUM_NONE) || \ |
| ((hwid2)->mfg_num == XWIDGET_MFG_NUM_NONE) || \ |
| ((hwid1)->mfg_num == (hwid2)->mfg_num))) |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| #endif /* _ASM_XTALK_XWIDGET_H */ |