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4624 mario79 1
;-----------------------------------------------------------------------------
2
; find the IDE controller in the device list
3
;-----------------------------------------------------------------------------
4700 mario79 4
        mov     ecx, IDE_controller_1
4624 mario79 5
        mov     esi, pcidev_list
4700 mario79 6
;--------------------------------------
7
align 4
4624 mario79 8
.loop:
9
        mov     esi, [esi+PCIDEV.fd]
10
        cmp     esi, pcidev_list
4700 mario79 11
        jz      find_IDE_controller_done
12
 
4624 mario79 13
        mov     eax, [esi+PCIDEV.class]
14
        shr     eax, 4
15
        cmp     eax, 0x01018
16
        jnz     .loop
4700 mario79 17
;--------------------------------------
4624 mario79 18
.found:
19
        mov     eax, [esi+PCIDEV.class]
20
        DEBUGF  1, 'K : IDE controller programming interface %x\n', eax
4700 mario79 21
        mov     [ecx+IDE_DATA.ProgrammingInterface], eax
4624 mario79 22
 
23
        mov     ah, [esi+PCIDEV.bus]
24
        mov     al, 2
25
        mov     bh, [esi+PCIDEV.devfn]
4700 mario79 26
;--------------------------------------
4624 mario79 27
        mov     bl, 0x10
28
        push    eax
29
        call    pci_read_reg
30
        and     eax, 0xFFFC
31
        cmp     ax, 0
32
        je      @f
4700 mario79 33
 
4624 mario79 34
        cmp     ax, 1
35
        jne     .show_BAR0
4700 mario79 36
;--------------------------------------
4624 mario79 37
@@:
38
        mov     ax, 0x1F0
4700 mario79 39
;--------------------------------------
4624 mario79 40
.show_BAR0:
41
        DEBUGF  1, 'K : BAR0 IDE base addr %x\n', ax
42
        mov     [StandardATABases], ax
4700 mario79 43
        mov     [ecx+IDE_DATA.BAR0_val], ax
4624 mario79 44
        pop     eax
4700 mario79 45
;--------------------------------------
4624 mario79 46
        mov     bl, 0x14
47
        push    eax
48
        call    pci_read_reg
49
        and     eax, 0xFFFC
50
        cmp     ax, 0
51
        je      @f
4700 mario79 52
 
4624 mario79 53
        cmp     ax, 1
54
        jne     .show_BAR1
4700 mario79 55
;--------------------------------------
4624 mario79 56
@@:
57
        mov     ax, 0x3F4
4700 mario79 58
;--------------------------------------
4624 mario79 59
.show_BAR1:
60
        DEBUGF  1, 'K : BAR1 IDE base addr %x\n', ax
4700 mario79 61
        mov     [ecx+IDE_DATA.BAR1_val], ax
4624 mario79 62
        pop     eax
4700 mario79 63
;--------------------------------------
4624 mario79 64
        mov     bl, 0x18
65
        push    eax
66
        call    pci_read_reg
67
        and     eax, 0xFFFC
68
        cmp     ax, 0
69
        je      @f
4700 mario79 70
 
4624 mario79 71
        cmp     ax, 1
72
        jne     .show_BAR2
4700 mario79 73
;--------------------------------------
4624 mario79 74
@@:
75
        mov     ax, 0x170
4700 mario79 76
;--------------------------------------
4624 mario79 77
.show_BAR2:
78
        DEBUGF  1, 'K : BAR2 IDE base addr %x\n', ax
79
        mov     [StandardATABases+2], ax
4700 mario79 80
        mov     [ecx+IDE_DATA.BAR2_val], ax
4624 mario79 81
        pop     eax
4700 mario79 82
;--------------------------------------
4624 mario79 83
        mov     bl, 0x1C
84
        push    eax
85
        call    pci_read_reg
86
        and     eax, 0xFFFC
87
        cmp     ax, 0
88
        je      @f
4700 mario79 89
 
4624 mario79 90
        cmp     ax, 1
91
        jne     .show_BAR3
4700 mario79 92
;--------------------------------------
4624 mario79 93
@@:
94
        mov     ax, 0x374
4700 mario79 95
;--------------------------------------
4624 mario79 96
.show_BAR3:
97
        DEBUGF  1, 'K : BAR3 IDE base addr %x\n', ax
4700 mario79 98
        mov     [ecx+IDE_DATA.BAR3_val], ax
4624 mario79 99
        pop     eax
4700 mario79 100
;--------------------------------------
4624 mario79 101
        mov     bl, 0x20
102
        push    eax
103
        call    pci_read_reg
104
        and     eax, 0xFFFC
105
        DEBUGF  1, 'K : BAR4 IDE controller register base addr %x\n', ax
4700 mario79 106
        mov     [ecx+IDE_DATA.RegsBaseAddres], ax
4624 mario79 107
        pop     eax
4700 mario79 108
;--------------------------------------
4624 mario79 109
        mov     bl, 0x3C
110
        push    eax
111
        call    pci_read_reg
112
        and     eax, 0xFF
113
        DEBUGF  1, 'K : IDE Interrupt %x\n', al
4700 mario79 114
        mov     [ecx+IDE_DATA.Interrupt], ax
4624 mario79 115
        pop     eax
4700 mario79 116
 
117
        add     ecx, sizeof.IDE_DATA
118
;--------------------------------------
119
        jmp     .loop
4624 mario79 120
;-----------------------------------------------------------------------------
4700 mario79 121
uglobal
122
align 4
123
;--------------------------------------
124
IDE_controller_pointer dd ?
125
;--------------------------------------
126
IDE_controller_1 IDE_DATA
127
IDE_controller_2 IDE_DATA
128
IDE_controller_3 IDE_DATA
129
;--------------------------------------
130
cache_ide0  IDE_CACHE
131
cache_ide1  IDE_CACHE
132
cache_ide2  IDE_CACHE
133
cache_ide3  IDE_CACHE
134
cache_ide4  IDE_CACHE
135
cache_ide5  IDE_CACHE
136
cache_ide6  IDE_CACHE
137
cache_ide7  IDE_CACHE
138
cache_ide8  IDE_CACHE
139
cache_ide9  IDE_CACHE
140
cache_ide10 IDE_CACHE
141
cache_ide11 IDE_CACHE
142
;--------------------------------------
143
endg
4624 mario79 144
;-----------------------------------------------------------------------------
145
; START of initialisation IDE ATA code
146
;-----------------------------------------------------------------------------
4700 mario79 147
Init_IDE_ATA_controller:
148
        cmp     [ecx+IDE_DATA.ProgrammingInterface], 0
4624 mario79 149
        je      set_interrupts_for_IDE_controllers.continue
150
 
151
        mov     esi, boot_disabling_ide
152
        call    boot_log
153
;--------------------------------------
154
; Disable IDE interrupts, because the search
155
; for IDE partitions is in the PIO mode.
156
;--------------------------------------
157
.disable_IDE_interrupt:
158
; Disable interrupts in IDE controller for PIO
159
        mov     al, 2
4700 mario79 160
        mov     dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4
4624 mario79 161
        add     dx, 2 ;0x3F6
162
        out     dx, al
4700 mario79 163
        mov     dx, [ecx+IDE_DATA.BAR3_val] ;0x374
4624 mario79 164
        add     dx, 2 ;0x376
165
        out     dx, al
4700 mario79 166
;-----------------------------------------------------------------------------
167
; set current ata bases
4624 mario79 168
@@:
4700 mario79 169
        mov     ax, [ecx+IDE_DATA.BAR0_val]
170
        mov     [StandardATABases], ax
171
        mov     ax, [ecx+IDE_DATA.BAR2_val]
172
        mov     [StandardATABases+2], ax
173
 
4624 mario79 174
        mov     esi, boot_detecthdcd
175
        call    boot_log
4625 mario79 176
include 'dev_hdcd.inc'
4624 mario79 177
;-----------------------------------------------------------------------------
4700 mario79 178
        mov     dx, [ecx+IDE_DATA.RegsBaseAddres]
4624 mario79 179
; test whether it is our interrupt?
180
        add     dx, 2
181
        in      al, dx
182
        test    al, 100b
183
        jz      @f
184
; clear Bus Master IDE Status register
185
; clear Interrupt bit
186
        out     dx, al
4700 mario79 187
;--------------------------------------
4624 mario79 188
@@:
189
        add     dx, 8
190
; test whether it is our interrupt?
191
        in      al, dx
192
        test    al, 100b
193
        jz      @f
194
; clear Bus Master IDE Status register
195
; clear Interrupt bit
196
        out     dx, al
4700 mario79 197
;--------------------------------------
4624 mario79 198
@@:
199
; read status register and remove the interrupt request
4700 mario79 200
        mov     dx, [ecx+IDE_DATA.BAR0_val] ;0x1F0
4624 mario79 201
        add     dx, 0x7 ;0x1F7
202
        in      al, dx
4700 mario79 203
        mov     dx, [ecx+IDE_DATA.BAR2_val] ;0x170
4624 mario79 204
        add     dx, 0x7 ;0x177
205
        in      al, dx
206
;-----------------------------------------------------------------------------
207
        push    eax edx
4700 mario79 208
        mov     dx, [ecx+IDE_DATA.RegsBaseAddres]
4624 mario79 209
        xor     eax, eax
210
        add     dx, 2
211
        in      al, dx
4711 mario79 212
;        DEBUGF  1, "K : Primary Bus Master IDE Status Register %x\n", eax
4624 mario79 213
 
214
        add     dx, 8
215
        in      al, dx
4711 mario79 216
;        DEBUGF  1, "K : Secondary Bus Master IDE Status Register %x\n", eax
4624 mario79 217
        pop     edx eax
218
 
4700 mario79 219
        cmp     [ecx+IDE_DATA.RegsBaseAddres], 0
220
        setnz   [ecx+IDE_DATA.dma_hdd]
4624 mario79 221
;-----------------------------------------------------------------------------
222
; set interrupts for IDE Controller
223
;-----------------------------------------------------------------------------
224
        mov     esi, boot_set_int_IDE
225
        call    boot_log
226
set_interrupts_for_IDE_controllers:
4700 mario79 227
        mov     eax, [ecx+IDE_DATA.ProgrammingInterface]
4624 mario79 228
        cmp     ax, 0x0180
229
        je      .pata_ide
230
 
231
        cmp     ax, 0x018a
232
        jne     .sata_ide
233
;--------------------------------------
234
.pata_ide:
4700 mario79 235
        cmp     [ecx+IDE_DATA.RegsBaseAddres], 0
4624 mario79 236
        je      .end_set_interrupts
237
 
4700 mario79 238
        push    ecx
4624 mario79 239
        stdcall attach_int_handler, 14, IDE_irq_14_handler, 0
240
        DEBUGF  1, "K : Set IDE IRQ14 return code %x\n", eax
241
        stdcall attach_int_handler, 15, IDE_irq_15_handler, 0
242
        DEBUGF  1, "K : Set IDE IRQ15 return code %x\n", eax
4700 mario79 243
        pop     ecx
244
 
4624 mario79 245
        jmp     .enable_IDE_interrupt
246
;--------------------------------------
247
.sata_ide:
248
        cmp     ax, 0x0185
249
        je      .sata_ide_1
250
 
251
        cmp     ax, 0x018f
252
        jne     .end_set_interrupts
253
;--------------------------------------
254
.sata_ide_1:
4700 mario79 255
        cmp     [ecx+IDE_DATA.RegsBaseAddres], 0
4624 mario79 256
        je      .end_set_interrupts
257
 
4700 mario79 258
        mov     ax, [ecx+IDE_DATA.Interrupt]
4624 mario79 259
        movzx   eax, al
4700 mario79 260
        push    ecx
4624 mario79 261
        stdcall attach_int_handler, eax, IDE_common_irq_handler, 0
4700 mario79 262
        pop     ecx
263
        DEBUGF  1, "K : Set IDE IRQ%d return code %x\n", [ecx+IDE_DATA.Interrupt]:1, eax
4624 mario79 264
;--------------------------------------
265
.enable_IDE_interrupt:
266
        mov     esi, boot_enabling_ide
267
        call    boot_log
268
; Enable interrupts in IDE controller for DMA
4700 mario79 269
        xor     ebx, ebx
270
        cmp     ecx, IDE_controller_2
271
        jne     @f
272
 
273
        add     ebx, 5
274
        jmp     .check_DRIVE_DATA
275
;--------------------------------------
276
@@:
277
        cmp     ecx, IDE_controller_3
278
        jne     .check_DRIVE_DATA
279
 
280
        add     ebx, 10
281
;--------------------------------------
282
.check_DRIVE_DATA:
4624 mario79 283
        mov     al, 0
4700 mario79 284
        mov     ah, [ebx+DRIVE_DATA+1]
4624 mario79 285
        test    ah, 10100000b
286
        jz      @f
287
 
288
        DEBUGF  1, "K : IDE CH1 PIO, because ATAPI drive present\n"
289
        jmp     .ch2_check
4700 mario79 290
;--------------------------------------
4624 mario79 291
@@:
4700 mario79 292
        mov     dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4
4624 mario79 293
        add     dx, 2 ;0x3F6
294
        out     dx, al
295
        DEBUGF  1, "K : IDE CH1 DMA enabled\n"
4700 mario79 296
;--------------------------------------
4624 mario79 297
.ch2_check:
298
        test    ah, 1010b
299
        jz      @f
300
 
301
        DEBUGF  1, "K : IDE CH2 PIO, because ATAPI drive present\n"
302
        jmp     .end_set_interrupts
4700 mario79 303
;--------------------------------------
4624 mario79 304
@@:
4700 mario79 305
        mov     dx, [ecx+IDE_DATA.BAR3_val] ;0x374
4624 mario79 306
        add     dx, 2 ;0x376
307
        out     dx, al
308
        DEBUGF  1, "K : IDE CH2 DMA enabled\n"
309
;--------------------------------------
310
.end_set_interrupts:
311
;-----------------------------------------------------------------------------
4700 mario79 312
        cmp     [ecx+IDE_DATA.dma_hdd], 0
4624 mario79 313
        je      .print_pio
4700 mario79 314
;--------------------------------------
4624 mario79 315
.print_dma:
316
        DEBUGF  1, "K : IDE DMA mode\n"
317
        jmp     .continue
4700 mario79 318
;--------------------------------------
4624 mario79 319
.print_pio:
320
        DEBUGF  1, "K : IDE PIO mode\n"
321
.continue:
4700 mario79 322
        ret
4624 mario79 323
;-----------------------------------------------------------------------------
324
; END of initialisation IDE ATA code
325
;-----------------------------------------------------------------------------
4700 mario79 326
find_IDE_controller_done:
327
        mov     ecx, IDE_controller_1
328
        mov     [IDE_controller_pointer], ecx
329
        call    Init_IDE_ATA_controller
330
        mov     ecx, IDE_controller_2
331
        mov     [IDE_controller_pointer], ecx
332
        call    Init_IDE_ATA_controller
333
        mov     ecx, IDE_controller_3
334
        mov     [IDE_controller_pointer], ecx
335
        call    Init_IDE_ATA_controller
336
;-----------------------------------------------------------------------------
337
        mov     esi, boot_getcache
338
        call    boot_log
339
include 'getcache.inc'
340
;-----------------------------------------------------------------------------
341
        mov     esi, boot_detectpart
342
        call    boot_log
343
include 'sear_par.inc'
344
;-----------------------------------------------------------------------------