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xwidget.h
/* * 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 */
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