[processor-sdk/pdk.git] / packages / ti / drv / emac / firmware / icss_dualmac / src / xfr2vbus_widget.h
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55 ;------------------------------------
56 ;FILE: xfr2vbus_widget.h
57 ;Purpose: macros, etc for xfr2vbus_widget
58 ;------------------------------------
60 ;-----------------DEFINES-------------------------
62 ;XIDs
63 XFR2VBUS_XID_READ0 .set 0x60
64 XFR2VBUS_XID_READ1 .set 0x61
65 XFR2VBUS_XID_WRITE .set 0x62
66 XFR2VBUS_XID_WRITE0 .set 0x62
67 XFR2VBUS_XID_WRITE1 .set 0x63
69 .asg t2, XFR2VBUS_READ_DONE ;set if read fifo non empty
70 ;------------------MACROS--------------------------
71 ;read in read result (32)
72 XFR2VBUS_READ32_RESULT .macro rnum
73 xin rnum, &r2, 32
74 .endm
76 ;issue a oneshot read of 32 bytes from addrss _lo|_hi
77 ; steps on r18, r19,r20
78 XFR2VBUS_ISSUE_READ_ONESHOT_32 .macro rnum, addr_lo,addr_hi
79 and r20, addr_hi, addr_hi;Warning: converted from mov
80 and r19, addr_lo, addr_lo;Warning: converted from mov
81 ldi r18, 0x4; [1.2] = 2 => 32 bytes
82 add r0, r0, 0;nop - see instability inr18 ..
83 xout rnum, &r18, 12
84 .endm
85 ;poll for read complete
86 ;returns in r18.tb2 the result
87 XFR2VBUS_POLL_READ .macro rnum
88 xin rnum, &r18, 4
89 .endm
91 ;issue a read of 64 bytes from addrss _lo|_hi, auto mode
92 ;clobbers r18-r20
93 XFR2VBUS_ISSUE_READ_AUTO_64_CMD .macro rnum, addr_lo,addr_hi
94 ldi r20, addr_hi
95 and r19, addr_lo, addr_lo
96 ldi r18, 0x7;(0x1 | 0x3>>1)
97 xout rnum, &r18, 12
98 .endm
100 ;issue cmd to stop read auto mode
101 XFR2VBUS_CANCEL_READ_AUTO_64_CMD .macro rnum
102 ldi r18, 0
103 xout rnum, &r18, 4
104 .endm
106 ;read in data64
107 ; fills in r2-r17
108 XFR2VBUS_READ64_RESULT .macro rnum
109 xin rnum, &r2, 64
110 .endm
112 XFR2VBUS_WAIT4READY .macro rnum
113 $1: xin rnum, &r18, 4
114 qbne $1, r18.w0, 0x5
115 .endm
117 ;read in data8
118 ; fills in r2-r3
119 XFR2VBUS_READ8_RESULT .macro rnum
120 xin rnum, &r2, 8
121 .endm
123 ;issue a write of 32 bytes from address _lo|_hi, one shot
124 ; data in r2-r9
125 ; clobbers r10, r11
126 XFR2VBUS_WRITE32 .macro xid, addr_lo,addr_hi
127 and r10, addr_lo, addr_lo;Warning: converted from mov
128 and r11, addr_hi, addr_hi;Warning: converted from mov
129 xout xid, &r2, 40
130 .endm