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