diff options
Diffstat (limited to 'target/linux/realtek/files/arch/rlx/include/asm/xtalk')
| -rw-r--r-- | target/linux/realtek/files/arch/rlx/include/asm/xtalk/xtalk.h | 52 | ||||
| -rw-r--r-- | target/linux/realtek/files/arch/rlx/include/asm/xtalk/xwidget.h | 167 | 
2 files changed, 219 insertions, 0 deletions
diff --git a/target/linux/realtek/files/arch/rlx/include/asm/xtalk/xtalk.h b/target/linux/realtek/files/arch/rlx/include/asm/xtalk/xtalk.h new file mode 100644 index 000000000..79bac882a --- /dev/null +++ b/target/linux/realtek/files/arch/rlx/include/asm/xtalk/xtalk.h @@ -0,0 +1,52 @@ +/* + * 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. + * + * xtalk.h -- platform-independent crosstalk interface, derived from + * IRIX <sys/PCI/bridge.h>, revision 1.38. + * + * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc. + * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) + */ +#ifndef _ASM_XTALK_XTALK_H +#define _ASM_XTALK_XTALK_H + +#ifndef __ASSEMBLY__ +/* + * User-level device driver visible types + */ +typedef char            xwidgetnum_t;	/* xtalk widget number  (0..15) */ + +#define XWIDGET_NONE		-1 + +typedef int xwidget_part_num_t;	/* xtalk widget part number */ + +#define XWIDGET_PART_NUM_NONE	-1 + +typedef int             xwidget_rev_num_t;	/* xtalk widget revision number */ + +#define XWIDGET_REV_NUM_NONE	-1 + +typedef int xwidget_mfg_num_t;	/* xtalk widget manufacturing ID */ + +#define XWIDGET_MFG_NUM_NONE	-1 + +typedef struct xtalk_piomap_s *xtalk_piomap_t; + +/* It is often convenient to fold the XIO target port + * number into the XIO address. + */ +#define	XIO_NOWHERE	(0xFFFFFFFFFFFFFFFFull) +#define	XIO_ADDR_BITS	(0x0000FFFFFFFFFFFFull) +#define	XIO_PORT_BITS	(0xF000000000000000ull) +#define	XIO_PORT_SHIFT	(60) + +#define	XIO_PACKED(x)	(((x)&XIO_PORT_BITS) != 0) +#define	XIO_ADDR(x)	((x)&XIO_ADDR_BITS) +#define	XIO_PORT(x)	((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT)) +#define	XIO_PACK(p, o)	((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS)) + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_XTALK_XTALK_H */ diff --git a/target/linux/realtek/files/arch/rlx/include/asm/xtalk/xwidget.h b/target/linux/realtek/files/arch/rlx/include/asm/xtalk/xwidget.h new file mode 100644 index 000000000..b4a13d740 --- /dev/null +++ b/target/linux/realtek/files/arch/rlx/include/asm/xtalk/xwidget.h @@ -0,0 +1,167 @@ +/* + * 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 + +/* + * 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 */  | 
