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-rw-r--r--arch/mips/include/asm/xtalk/xwidget.h279
1 files changed, 279 insertions, 0 deletions
diff --git a/arch/mips/include/asm/xtalk/xwidget.h b/arch/mips/include/asm/xtalk/xwidget.h
new file mode 100644
index 000000000..24f121da6
--- /dev/null
+++ b/arch/mips/include/asm/xtalk/xwidget.h
@@ -0,0 +1,279 @@
+/*
+ * 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 */