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Line 1... Line 1...
1 
;-----------------------------------------------------------------------------
 1 
;-----------------------------------------------------------------------------
2 
; find the IDE controller in the device list
 2 
; find the IDE controller in the device list
3 
;-----------------------------------------------------------------------------
 3 
;-----------------------------------------------------------------------------
- 
 
 4 
        mov     ecx, IDE_controller_1
4 
        mov     esi, pcidev_list
 5 
        mov     esi, pcidev_list
- 
 
 6 
;--------------------------------------
- 
 
 7 
align 4
5 
.loop:
 8 
.loop:
6 
        mov     esi, [esi+PCIDEV.fd]
 9 
        mov     esi, [esi+PCIDEV.fd]
7 
        cmp     esi, pcidev_list
 10 
        cmp     esi, pcidev_list
8 
        jz      .done
 11 
        jz      find_IDE_controller_done
- 
 
 12 
 
9 
        mov     eax, [esi+PCIDEV.class]
 13 
        mov     eax, [esi+PCIDEV.class]
10 
        shr     eax, 4
 14 
        shr     eax, 4
11 
        cmp     eax, 0x01018
 15 
        cmp     eax, 0x01018
12 
        jnz     .loop
 16 
        jnz     .loop
- 
 
 17 
;--------------------------------------
13 
.found:
 18 
.found:
14 
        mov     eax, [esi+PCIDEV.class]
 19 
        mov     eax, [esi+PCIDEV.class]
15 
        DEBUGF  1, 'K : IDE controller programming interface %x\n', eax
 20 
        DEBUGF  1, 'K : IDE controller programming interface %x\n', eax
16 
        mov     [IDEContrProgrammingInterface], eax
 21 
        mov     [ecx+IDE_DATA.ProgrammingInterface], eax
Line 17... Line 22...
17 
 
 22 
 
18 
        mov     ah, [esi+PCIDEV.bus]
 23 
        mov     ah, [esi+PCIDEV.bus]
19 
        mov     al, 2
 24 
        mov     al, 2
20 
        mov     bh, [esi+PCIDEV.devfn]
 25 
        mov     bh, [esi+PCIDEV.devfn]
21 
;-----------------------------------------------------------------------------
 26 
;--------------------------------------
22 
        mov     bl, 0x10
 27 
        mov     bl, 0x10
23 
        push    eax
 28 
        push    eax
24 
        call    pci_read_reg
 29 
        call    pci_read_reg
25 
        and     eax, 0xFFFC
 30 
        and     eax, 0xFFFC
26 
        cmp     ax, 0
 31 
        cmp     ax, 0
- 
 
 32 
        je      @f
27 
        je      @f
 33 
 
28 
        cmp     ax, 1
 34 
        cmp     ax, 1
- 
 
 35 
        jne     .show_BAR0
29 
        jne     .show_BAR0
 36 
;--------------------------------------
30 
@@:
 37 
@@:
- 
 
 38 
        mov     ax, 0x1F0
31 
        mov     ax, 0x1F0
 39 
;--------------------------------------
32 
.show_BAR0:
 40 
.show_BAR0:
33 
        DEBUGF  1, 'K : BAR0 IDE base addr %x\n', ax
 41 
        DEBUGF  1, 'K : BAR0 IDE base addr %x\n', ax
34 
        mov     [StandardATABases], ax
 - 
 
35 
        mov     [hd_address_table], eax
 - 
 
36 
        mov     [hd_address_table+8], eax
 42 
        mov     [StandardATABases], ax
37 
        mov     [IDE_BAR0_val], ax
 43 
        mov     [ecx+IDE_DATA.BAR0_val], ax
38 
        pop     eax
 44 
        pop     eax
39 
;-----------------------------------------------------------------------------
 45 
;--------------------------------------
40 
        mov     bl, 0x14
 46 
        mov     bl, 0x14
41 
        push    eax
 47 
        push    eax
42 
        call    pci_read_reg
 48 
        call    pci_read_reg
43 
        and     eax, 0xFFFC
 49 
        and     eax, 0xFFFC
44 
        cmp     ax, 0
 50 
        cmp     ax, 0
- 
 
 51 
        je      @f
45 
        je      @f
 52 
 
46 
        cmp     ax, 1
 53 
        cmp     ax, 1
- 
 
 54 
        jne     .show_BAR1
47 
        jne     .show_BAR1
 55 
;--------------------------------------
48 
@@:
 56 
@@:
- 
 
 57 
        mov     ax, 0x3F4
49 
        mov     ax, 0x3F4
 58 
;--------------------------------------
50 
.show_BAR1:
 59 
.show_BAR1:
51 
        DEBUGF  1, 'K : BAR1 IDE base addr %x\n', ax
 60 
        DEBUGF  1, 'K : BAR1 IDE base addr %x\n', ax
52 
        mov     [IDE_BAR1_val], ax
 61 
        mov     [ecx+IDE_DATA.BAR1_val], ax
53 
        pop     eax
 62 
        pop     eax
54 
;-----------------------------------------------------------------------------
 63 
;--------------------------------------
55 
        mov     bl, 0x18
 64 
        mov     bl, 0x18
56 
        push    eax
 65 
        push    eax
57 
        call    pci_read_reg
 66 
        call    pci_read_reg
58 
        and     eax, 0xFFFC
 67 
        and     eax, 0xFFFC
59 
        cmp     ax, 0
 68 
        cmp     ax, 0
- 
 
 69 
        je      @f
60 
        je      @f
 70 
 
61 
        cmp     ax, 1
 71 
        cmp     ax, 1
- 
 
 72 
        jne     .show_BAR2
62 
        jne     .show_BAR2
 73 
;--------------------------------------
63 
@@:
 74 
@@:
- 
 
 75 
        mov     ax, 0x170
64 
        mov     ax, 0x170
 76 
;--------------------------------------
65 
.show_BAR2:
 77 
.show_BAR2:
66 
        DEBUGF  1, 'K : BAR2 IDE base addr %x\n', ax
 78 
        DEBUGF  1, 'K : BAR2 IDE base addr %x\n', ax
67 
        mov     [StandardATABases+2], ax
 - 
 
68 
        mov     [hd_address_table+16], eax
 - 
 
69 
        mov     [hd_address_table+24], eax
 79 
        mov     [StandardATABases+2], ax
70 
        mov     [IDE_BAR2_val], ax
 80 
        mov     [ecx+IDE_DATA.BAR2_val], ax
71 
        pop     eax
 81 
        pop     eax
72 
;-----------------------------------------------------------------------------
 82 
;--------------------------------------
73 
        mov     bl, 0x1C
 83 
        mov     bl, 0x1C
74 
        push    eax
 84 
        push    eax
75 
        call    pci_read_reg
 85 
        call    pci_read_reg
76 
        and     eax, 0xFFFC
 86 
        and     eax, 0xFFFC
77 
        cmp     ax, 0
 87 
        cmp     ax, 0
- 
 
 88 
        je      @f
78 
        je      @f
 89 
 
79 
        cmp     ax, 1
 90 
        cmp     ax, 1
- 
 
 91 
        jne     .show_BAR3
80 
        jne     .show_BAR3
 92 
;--------------------------------------
81 
@@:
 93 
@@:
- 
 
 94 
        mov     ax, 0x374
82 
        mov     ax, 0x374
 95 
;--------------------------------------
83 
.show_BAR3:
 96 
.show_BAR3:
84 
        DEBUGF  1, 'K : BAR3 IDE base addr %x\n', ax
 97 
        DEBUGF  1, 'K : BAR3 IDE base addr %x\n', ax
85 
        mov     [IDE_BAR3_val], ax
 98 
        mov     [ecx+IDE_DATA.BAR3_val], ax
86 
        pop     eax
 99 
        pop     eax
87 
;-----------------------------------------------------------------------------
 100 
;--------------------------------------
88 
        mov     bl, 0x20
 101 
        mov     bl, 0x20
89 
        push    eax
 102 
        push    eax
90 
        call    pci_read_reg
 103 
        call    pci_read_reg
91 
        and     eax, 0xFFFC
 104 
        and     eax, 0xFFFC
92 
        DEBUGF  1, 'K : BAR4 IDE controller register base addr %x\n', ax
 105 
        DEBUGF  1, 'K : BAR4 IDE controller register base addr %x\n', ax
93 
        mov     [IDEContrRegsBaseAddr], ax
 106 
        mov     [ecx+IDE_DATA.RegsBaseAddres], ax
94 
        pop     eax
 107 
        pop     eax
95 
;-----------------------------------------------------------------------------
 108 
;--------------------------------------
96 
        mov     bl, 0x3C
 109 
        mov     bl, 0x3C
97 
        push    eax
 110 
        push    eax
98 
        call    pci_read_reg
 111 
        call    pci_read_reg
99 
        and     eax, 0xFF
 112 
        and     eax, 0xFF
100 
        DEBUGF  1, 'K : IDE Interrupt %x\n', al
 113 
        DEBUGF  1, 'K : IDE Interrupt %x\n', al
101 
        mov     [IDE_Interrupt], ax
 114 
        mov     [ecx+IDE_DATA.Interrupt], ax
- 
 
 115 
        pop     eax
- 
 
 116 
 
- 
 
 117 
        add     ecx, sizeof.IDE_DATA
- 
 
 118 
;--------------------------------------
102 
        pop     eax
 119 
        jmp     .loop
- 
 
 120 
;-----------------------------------------------------------------------------
103 
;-----------------------------------------------------------------------------
 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 
;--------------------------------------
104 
.done:
 143 
endg
105 
;-----------------------------------------------------------------------------
 144 
;-----------------------------------------------------------------------------
106 
; START of initialisation IDE ATA code
 145 
; START of initialisation IDE ATA code
- 
 
 146 
;-----------------------------------------------------------------------------
107 
;-----------------------------------------------------------------------------
 147 
Init_IDE_ATA_controller:
108 
        cmp     [IDEContrProgrammingInterface], 0
 148 
        cmp     [ecx+IDE_DATA.ProgrammingInterface], 0
Line 109... Line 149...
109 
        je      set_interrupts_for_IDE_controllers.continue
 149 
        je      set_interrupts_for_IDE_controllers.continue
110 
 
 150 
 
111 
        mov     esi, boot_disabling_ide
 151 
        mov     esi, boot_disabling_ide
Line 115... Line 155...
115 
; for IDE partitions is in the PIO mode.
 155 
; for IDE partitions is in the PIO mode.
116 
;--------------------------------------
 156 
;--------------------------------------
117 
.disable_IDE_interrupt:
 157 
.disable_IDE_interrupt:
118 
; Disable interrupts in IDE controller for PIO
 158 
; Disable interrupts in IDE controller for PIO
119 
        mov     al, 2
 159 
        mov     al, 2
120 
        mov     dx, [IDE_BAR1_val] ;0x3F4
 160 
        mov     dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4
121 
        add     dx, 2 ;0x3F6
 161 
        add     dx, 2 ;0x3F6
122 
        out     dx, al
 162 
        out     dx, al
123 
        mov     dx, [IDE_BAR3_val] ;0x374
 163 
        mov     dx, [ecx+IDE_DATA.BAR3_val] ;0x374
124 
        add     dx, 2 ;0x376
 164 
        add     dx, 2 ;0x376
125 
        out     dx, al
 165 
        out     dx, al
126 
@@:
 - 
 
127 
; show base variables of IDE controller
- 
 
128 
;        DEBUGF  1, "K : BAR0 %x \n", [IDE_BAR0_val]:4
 - 
 
129 
;        DEBUGF  1, "K : BAR1 %x \n", [IDE_BAR1_val]:4
 - 
 
130 
;        DEBUGF  1, "K : BAR2 %x \n", [IDE_BAR2_val]:4
 - 
 
131 
;        DEBUGF  1, "K : BAR3 %x \n", [IDE_BAR3_val]:4
 - 
 
132 
;        DEBUGF  1, "K : BAR4 %x \n", [IDEContrRegsBaseAddr]:4
 - 
 
133 
;        DEBUGF  1, "K : IDEContrProgrammingInterface %x \n", [IDEContrProgrammingInterface]:4
 - 
 
134 
;        DEBUGF  1, "K : IDE_Interrupt %x \n", [IDE_Interrupt]:4
 - 
 
135 
;-----------------------------------------------------------------------------
 166 
;-----------------------------------------------------------------------------
- 
 
 167 
; set current ata bases
- 
 
 168 
@@:
- 
 
 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 
 
136 
        mov     esi, boot_detecthdcd
 174 
        mov     esi, boot_detecthdcd
137 
        call    boot_log
 175 
        call    boot_log
138 
include 'dev_hdcd.inc'
 176 
include 'dev_hdcd.inc'
139 
        mov     esi, boot_getcache
 - 
 
140 
        call    boot_log
 - 
 
141 
include 'getcache.inc'
 - 
 
142 
        mov     esi, boot_detectpart
 - 
 
143 
        call    boot_log
 - 
 
144 
include 'sear_par.inc'
 - 
 
145 
;-----------------------------------------------------------------------------
 177 
;-----------------------------------------------------------------------------
146 
        mov     dx, [IDEContrRegsBaseAddr]
 178 
        mov     dx, [ecx+IDE_DATA.RegsBaseAddres]
147 
; test whether it is our interrupt?
 179 
; test whether it is our interrupt?
148 
        add     dx, 2
 180 
        add     dx, 2
149 
        in      al, dx
 181 
        in      al, dx
150 
        test    al, 100b
 182 
        test    al, 100b
151 
        jz      @f
 183 
        jz      @f
152 
; clear Bus Master IDE Status register
 184 
; clear Bus Master IDE Status register
153 
; clear Interrupt bit
 185 
; clear Interrupt bit
154 
        out     dx, al
 186 
        out     dx, al
- 
 
 187 
;--------------------------------------
155 
@@:
 188 
@@:
156 
        add     dx, 8
 189 
        add     dx, 8
157 
; test whether it is our interrupt?
 190 
; test whether it is our interrupt?
158 
        in      al, dx
 191 
        in      al, dx
159 
        test    al, 100b
 192 
        test    al, 100b
160 
        jz      @f
 193 
        jz      @f
161 
; clear Bus Master IDE Status register
 194 
; clear Bus Master IDE Status register
162 
; clear Interrupt bit
 195 
; clear Interrupt bit
163 
        out     dx, al
 196 
        out     dx, al
- 
 
 197 
;--------------------------------------
164 
@@:
 198 
@@:
165 
; read status register and remove the interrupt request
 199 
; read status register and remove the interrupt request
166 
        mov     dx, [IDE_BAR0_val] ;0x1F0
 200 
        mov     dx, [ecx+IDE_DATA.BAR0_val] ;0x1F0
167 
        add     dx, 0x7 ;0x1F7
 201 
        add     dx, 0x7 ;0x1F7
168 
        in      al, dx
 202 
        in      al, dx
169 
        mov     dx, [IDE_BAR2_val] ;0x170
 203 
        mov     dx, [ecx+IDE_DATA.BAR2_val] ;0x170
170 
        add     dx, 0x7 ;0x177
 204 
        add     dx, 0x7 ;0x177
171 
        in      al, dx
 205 
        in      al, dx
172 
;-----------------------------------------------------------------------------
 206 
;-----------------------------------------------------------------------------
173 
        push    eax edx
 207 
        push    eax edx
174 
        mov     dx, [IDEContrRegsBaseAddr]
 208 
        mov     dx, [ecx+IDE_DATA.RegsBaseAddres]
175 
        xor     eax, eax
 209 
        xor     eax, eax
176 
        add     dx, 2
 210 
        add     dx, 2
177 
        in      al, dx
 211 
        in      al, dx
178 
        DEBUGF  1, "K : Primary Bus Master IDE Status Register %x\n", eax
 212 
        DEBUGF  1, "K : Primary Bus Master IDE Status Register %x\n", eax
Line 179... Line 213...
179 
 
 213 
 
180 
        add     dx, 8
 214 
        add     dx, 8
181 
        in      al, dx
 215 
        in      al, dx
182 
        DEBUGF  1, "K : Secondary Bus Master IDE Status Register %x\n", eax
 216 
        DEBUGF  1, "K : Secondary Bus Master IDE Status Register %x\n", eax
Line 183... Line 217...
183 
        pop     edx eax
 217 
        pop     edx eax
184 
 
 218 
 
185 
        cmp     [IDEContrRegsBaseAddr], 0
 219 
        cmp     [ecx+IDE_DATA.RegsBaseAddres], 0
186 
        setnz   [dma_hdd]
 220 
        setnz   [ecx+IDE_DATA.dma_hdd]
187 
;-----------------------------------------------------------------------------
 221 
;-----------------------------------------------------------------------------
188 
; set interrupts for IDE Controller
 222 
; set interrupts for IDE Controller
189 
;-----------------------------------------------------------------------------
 223 
;-----------------------------------------------------------------------------
190 
        mov     esi, boot_set_int_IDE
 224 
        mov     esi, boot_set_int_IDE
191 
        call    boot_log
 225 
        call    boot_log
192 
set_interrupts_for_IDE_controllers:
 226 
set_interrupts_for_IDE_controllers:
193 
        mov     eax, [IDEContrProgrammingInterface]
 227 
        mov     eax, [ecx+IDE_DATA.ProgrammingInterface]
Line 194... Line 228...
194 
        cmp     ax, 0x0180
 228 
        cmp     ax, 0x0180
195 
        je      .pata_ide
 229 
        je      .pata_ide
196 
 
 230 
 
197 
        cmp     ax, 0x018a
 231 
        cmp     ax, 0x018a
198 
        jne     .sata_ide
 232 
        jne     .sata_ide
199 
;--------------------------------------
 233 
;--------------------------------------
Line -... Line 234...
- 
 
 234 
.pata_ide:
200 
.pata_ide:
 235 
        cmp     [ecx+IDE_DATA.RegsBaseAddres], 0
201 
        cmp     [IDEContrRegsBaseAddr], 0
 236 
        je      .end_set_interrupts
202 
        je      .end_set_interrupts
 237 
 
203 
 
 238 
        push    ecx
- 
 
 239 
        stdcall attach_int_handler, 14, IDE_irq_14_handler, 0
- 
 
 240 
        DEBUGF  1, "K : Set IDE IRQ14 return code %x\n", eax
204 
        stdcall attach_int_handler, 14, IDE_irq_14_handler, 0
 241 
        stdcall attach_int_handler, 15, IDE_irq_15_handler, 0
205 
        DEBUGF  1, "K : Set IDE IRQ14 return code %x\n", eax
 242 
        DEBUGF  1, "K : Set IDE IRQ15 return code %x\n", eax
206 
        stdcall attach_int_handler, 15, IDE_irq_15_handler, 0
 243 
        pop     ecx
207 
        DEBUGF  1, "K : Set IDE IRQ15 return code %x\n", eax
 244 
 
208 
        jmp     .enable_IDE_interrupt
 245 
        jmp     .enable_IDE_interrupt
Line 209... Line 246...
209 
;--------------------------------------
 246 
;--------------------------------------
210 
.sata_ide:
 247 
.sata_ide:
211 
        cmp     ax, 0x0185
 248 
        cmp     ax, 0x0185
212 
        je      .sata_ide_1
 249 
        je      .sata_ide_1
213 
 
 250 
 
214 
        cmp     ax, 0x018f
 251 
        cmp     ax, 0x018f
Line 215... Line 252...
215 
        jne     .end_set_interrupts
 252 
        jne     .end_set_interrupts
216 
;--------------------------------------
 253 
;--------------------------------------
- 
 
 254 
.sata_ide_1:
217 
.sata_ide_1:
 255 
        cmp     [ecx+IDE_DATA.RegsBaseAddres], 0
- 
 
 256 
        je      .end_set_interrupts
218 
        cmp     [IDEContrRegsBaseAddr], 0
 257 
 
219 
        je      .end_set_interrupts
 258 
        mov     ax, [ecx+IDE_DATA.Interrupt]
220 
 
 259 
        movzx   eax, al
221 
        mov     ax, [IDE_Interrupt]
 260 
        push    ecx
222 
        movzx   eax, al
 261 
        stdcall attach_int_handler, eax, IDE_common_irq_handler, 0
223 
        stdcall attach_int_handler, eax, IDE_common_irq_handler, 0
 262 
        pop     ecx
- 
 
 263 
        DEBUGF  1, "K : Set IDE IRQ%d return code %x\n", [ecx+IDE_DATA.Interrupt]:1, eax
- 
 
 264 
;--------------------------------------
- 
 
 265 
.enable_IDE_interrupt:
- 
 
 266 
        mov     esi, boot_enabling_ide
- 
 
 267 
        call    boot_log
- 
 
 268 
; Enable interrupts in IDE controller for DMA
- 
 
 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 
@@:
224 
        DEBUGF  1, "K : Set IDE IRQ%d return code %x\n", [IDE_Interrupt]:1, eax
 277 
        cmp     ecx, IDE_controller_3
225 
;--------------------------------------
 278 
        jne     .check_DRIVE_DATA
226 
.enable_IDE_interrupt:
 279 
 
227 
        mov     esi, boot_enabling_ide
 280 
        add     ebx, 10
Line 228... Line 281...
228 
        call    boot_log
 281 
;--------------------------------------
229 
; Enable interrupts in IDE controller for DMA
 282 
.check_DRIVE_DATA:
- 
 
 283 
        mov     al, 0
230 
        mov     al, 0
 284 
        mov     ah, [ebx+DRIVE_DATA+1]
231 
        mov     ah, [DRIVE_DATA+1]
 285 
        test    ah, 10100000b
232 
        test    ah, 10100000b
 286 
        jz      @f
233 
        jz      @f
 287 
 
234 
 
 288 
        DEBUGF  1, "K : IDE CH1 PIO, because ATAPI drive present\n"
- 
 
 289 
        jmp     .ch2_check
235 
        DEBUGF  1, "K : IDE CH1 PIO, because ATAPI drive present\n"
 290 
;--------------------------------------
236 
        jmp     .ch2_check
 291 
@@:
237 
@@:
 292 
        mov     dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4
Line 238... Line 293...
238 
        mov     dx, [IDE_BAR1_val] ;0x3F4
 293 
        add     dx, 2 ;0x3F6
239 
        add     dx, 2 ;0x3F6
 294 
        out     dx, al
- 
 
 295 
        DEBUGF  1, "K : IDE CH1 DMA enabled\n"
240 
        out     dx, al
 296 
;--------------------------------------
241 
        DEBUGF  1, "K : IDE CH1 DMA enabled\n"
 297 
.ch2_check:
242 
.ch2_check:
 298 
        test    ah, 1010b
243 
        test    ah, 1010b
 299 
        jz      @f
244 
        jz      @f
 300 
 
245 
 
 301 
        DEBUGF  1, "K : IDE CH2 PIO, because ATAPI drive present\n"
246 
        DEBUGF  1, "K : IDE CH2 PIO, because ATAPI drive present\n"
 302 
        jmp     .end_set_interrupts
247 
        jmp     .end_set_interrupts
 303 
;--------------------------------------
248 
@@:
 304 
@@:
249 
        mov     dx, [IDE_BAR3_val] ;0x374
 305 
        mov     dx, [ecx+IDE_DATA.BAR3_val] ;0x374
- 
 
 306 
        add     dx, 2 ;0x376
250 
        add     dx, 2 ;0x376
 307 
        out     dx, al
251 
        out     dx, al
 308 
        DEBUGF  1, "K : IDE CH2 DMA enabled\n"
252 
        DEBUGF  1, "K : IDE CH2 DMA enabled\n"
 309 
;--------------------------------------
253 
;--------------------------------------
 - 
 
- 
 
 310 
.end_set_interrupts:
254 
.end_set_interrupts:
 311 
;-----------------------------------------------------------------------------
255 
;-----------------------------------------------------------------------------
 312 
        cmp     [ecx+IDE_DATA.dma_hdd], 0
256 
        cmp     [dma_hdd], 0
 313 
        je      .print_pio
- 
 
 314 
;--------------------------------------
257 
        je      .print_pio
 315 
.print_dma:
258 
.print_dma:
 316 
        DEBUGF  1, "K : IDE DMA mode\n"
259 
        DEBUGF  1, "K : IDE DMA mode\n"
 317 
        jmp     .continue
- 
 
 318 
;--------------------------------------
- 
 
 319 
.print_pio:
- 
 
 320 
        DEBUGF  1, "K : IDE PIO mode\n"
- 
 
 321 
.continue:
- 
 
 322 
        ret
- 
 
 323 
;-----------------------------------------------------------------------------
- 
 
 324 
; END of initialisation IDE ATA code
- 
 
 325 
;-----------------------------------------------------------------------------
- 
 
 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 
;-----------------------------------------------------------------------------