;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2014-2015. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
$Revision: 6816 $
;-----------------------------------------------------------------------------
; find the IDE controller in the device list
;-----------------------------------------------------------------------------
mov ecx, IDE_controller_1
mov esi, pcidev_list
;--------------------------------------
align 4
.loop:
mov esi, [esi+PCIDEV.fd]
cmp esi, pcidev_list
jz find_IDE_controller_done
mov eax, [esi+PCIDEV.class]
; shr eax, 4
; cmp eax, 0x01018
shr eax, 7
cmp eax, 0x010180 shr 7
jnz .loop
;--------------------------------------
.found:
mov eax, [esi+PCIDEV.class]
DEBUGF 1, 'K : IDE controller programming interface %x\n', eax
mov [ecx+IDE_DATA.ProgrammingInterface], eax
mov [ecx+IDE_DATA.pcidev], esi
mov ah, [esi+PCIDEV.bus]
mov al, 2
mov bh, [esi+PCIDEV.devfn]
;--------------------------------------
mov dx, 0x1F0
test byte [esi+PCIDEV.class], 1
jz @f
mov bl, 0x10
push eax
call pci_read_reg
and eax, 0xFFFC
mov edx, eax
pop eax
@@:
DEBUGF 1, 'K : BAR0 IDE base addr %x\n', dx
mov [StandardATABases], dx
mov [ecx+IDE_DATA.BAR0_val], dx
;--------------------------------------
mov dx, 0x3F4
test byte [esi+PCIDEV.class], 1
jz @f
mov bl, 0x14
push eax
call pci_read_reg
and eax, 0xFFFC
mov edx, eax
pop eax
@@:
DEBUGF 1, 'K : BAR1 IDE base addr %x\n', dx
mov [ecx+IDE_DATA.BAR1_val], dx
;--------------------------------------
mov dx, 0x170
test byte [esi+PCIDEV.class], 4
jz @f
mov bl, 0x18
push eax
call pci_read_reg
and eax, 0xFFFC
mov edx, eax
pop eax
@@:
DEBUGF 1, 'K : BAR2 IDE base addr %x\n', dx
mov [StandardATABases+2], dx
mov [ecx+IDE_DATA.BAR2_val], dx
;--------------------------------------
mov dx, 0x374
test byte [esi+PCIDEV.class], 4
jz @f
mov bl, 0x1C
push eax
call pci_read_reg
and eax, 0xFFFC
mov edx, eax
pop eax
@@:
DEBUGF 1, 'K : BAR3 IDE base addr %x\n', dx
mov [ecx+IDE_DATA.BAR3_val], dx
;--------------------------------------
mov bl, 0x20
push eax
call pci_read_reg
and eax, 0xFFFC
DEBUGF 1, 'K : BAR4 IDE controller register base addr %x\n', ax
mov [ecx+IDE_DATA.RegsBaseAddres], ax
pop eax
;--------------------------------------
mov bl, 0x3C
push eax
call pci_read_reg
and eax, 0xFF
DEBUGF 1, 'K : IDE Interrupt %x\n', al
mov [ecx+IDE_DATA.Interrupt], ax
pop eax
add ecx, sizeof.IDE_DATA
;--------------------------------------
jmp .loop
;-----------------------------------------------------------------------------
uglobal
align 4
;--------------------------------------
IDE_controller_pointer dd ?
;--------------------------------------
IDE_controller_1 IDE_DATA
IDE_controller_2 IDE_DATA
IDE_controller_3 IDE_DATA
;--------------------------------------
cache_ide0 IDE_CACHE
cache_ide1 IDE_CACHE
cache_ide2 IDE_CACHE
cache_ide3 IDE_CACHE
cache_ide4 IDE_CACHE
cache_ide5 IDE_CACHE
cache_ide6 IDE_CACHE
cache_ide7 IDE_CACHE
cache_ide8 IDE_CACHE
cache_ide9 IDE_CACHE
cache_ide10 IDE_CACHE
cache_ide11 IDE_CACHE
;--------------------------------------
IDE_device_1 rd 2
IDE_device_2 rd 2
IDE_device_3 rd 2
;--------------------------------------
endg
;--------------------------------------
; set Bus Master bit of Command PCI register
;--------------------------------------
set_pci_command_bus_master:
PCI_COMMAND_BUS_MASTER = 0x0004
push eax ecx
mov ecx, [ecx+IDE_DATA.pcidev]
mov ah, [ecx+PCIDEV.bus]
mov al, 1 ; word
mov bh, [ecx+PCIDEV.devfn]
mov bl, 0x4 ; Command register
push eax
call pci_read_reg
mov ecx, eax
pop eax
test ecx, PCI_COMMAND_BUS_MASTER ; already set?
jnz @f
or ecx, PCI_COMMAND_BUS_MASTER
call pci_write_reg
@@:
pop ecx eax
ret
;-----------------------------------------------------------------------------
; START of initialisation IDE ATA code
;-----------------------------------------------------------------------------
Init_IDE_ATA_controller:
cmp [ecx+IDE_DATA.ProgrammingInterface], 0
jne @f
ret
;--------------------------------------
@@:
mov esi, boot_disabling_ide
call boot_log
;--------------------------------------
; Disable IDE interrupts, because the search
; for IDE partitions is in the PIO mode.
;--------------------------------------
.disable_IDE_interrupt:
; Disable interrupts in IDE controller for PIO
mov al, 2
mov dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4
add dx, 2 ;0x3F6
out dx, al
mov dx, [ecx+IDE_DATA.BAR3_val] ;0x374
add dx, 2 ;0x376
out dx, al
;-----------------------------------------------------------------------------
; set current ata bases
@@:
mov ax, [ecx+IDE_DATA.BAR0_val]
mov [StandardATABases], ax
mov ax, [ecx+IDE_DATA.BAR2_val]
mov [StandardATABases+2], ax
mov esi, boot_detecthdcd
call boot_log
;--------------------------------------
include 'dev_hdcd.inc'
;--------------------------------------
ret
;-----------------------------------------------------------------------------
Init_IDE_ATA_controller_2:
cmp [ecx+IDE_DATA.ProgrammingInterface], 0
jne @f
ret
;--------------------------------------
@@:
mov dx, [ecx+IDE_DATA.RegsBaseAddres]
; test whether it is our interrupt?
add dx, 2
in al, dx
test al, 100b
jz @f
; clear Bus Master IDE Status register
; clear Interrupt bit
out dx, al
;--------------------------------------
@@:
add dx, 8
; test whether it is our interrupt?
in al, dx
test al, 100b
jz @f
; clear Bus Master IDE Status register
; clear Interrupt bit
out dx, al
;--------------------------------------
@@:
; read status register and remove the interrupt request
mov dx, [ecx+IDE_DATA.BAR0_val] ;0x1F0
add dx, 0x7 ;0x1F7
in al, dx
mov dx, [ecx+IDE_DATA.BAR2_val] ;0x170
add dx, 0x7 ;0x177
in al, dx
;-----------------------------------------------------------------------------
; push eax edx
; mov dx, [ecx+IDE_DATA.RegsBaseAddres]
; xor eax, eax
; add dx, 2
; in al, dx
; DEBUGF 1, "K : Primary Bus Master IDE Status Register %x\n", eax
; add dx, 8
; in al, dx
; DEBUGF 1, "K : Secondary Bus Master IDE Status Register %x\n", eax
; pop edx eax
; cmp [ecx+IDE_DATA.RegsBaseAddres], 0
; setnz [ecx+IDE_DATA.dma_hdd]
;-----------------------------------------------------------------------------
; set interrupts for IDE Controller
;-----------------------------------------------------------------------------
pushfd
cli
.enable_IDE_interrupt:
mov esi, boot_enabling_ide
call boot_log
; Enable interrupts in IDE controller for DMA
xor ebx, ebx
cmp ecx, IDE_controller_2
jne @f
add ebx, 5
jmp .check_DRIVE_DATA
;--------------------------------------
@@:
cmp ecx, IDE_controller_3
jne .check_DRIVE_DATA
add ebx, 10
;--------------------------------------
.check_DRIVE_DATA:
mov al, 0
mov ah, [ebx+DRIVE_DATA+1]
test ah, 10100000b ; check for ATAPI devices
jz @f
;--------------------------------------
.ch1_pio_set_ATAPI:
DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n"
jmp .ch1_pio_set_for_all
;--------------------------------------
.ch1_pio_set_no_devices:
DEBUGF 1, "K : IDE CH1 PIO because no devices\n"
jmp .ch1_pio_set_for_all
;-------------------------------------
.ch1_pio_set:
DEBUGF 1, "K : IDE CH1 PIO because device not support UDMA\n"
;-------------------------------------
.ch1_pio_set_for_all:
mov [ecx+IDE_DATA.dma_hdd_channel_1], al
jmp .ch2_check
;--------------------------------------
@@:
xor ebx, ebx
call calculate_IDE_device_values_storage
test ah, 1010000b
jz .ch1_pio_set_no_devices
test ah, 1000000b
jz @f
cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al
je .ch1_pio_set
cmp [ebx+IDE_DEVICE.UDMA_set_mode], al
je .ch1_pio_set
;--------------------------------------
@@:
test ah, 10000b
jz @f
add ebx, 2
cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al
je .ch1_pio_set
cmp [ebx+IDE_DEVICE.UDMA_set_mode], al
je .ch1_pio_set
;--------------------------------------
@@:
mov dx, [ecx+IDE_DATA.BAR1_val] ;0x3F4
add dx, 2 ;0x3F6
out dx, al
call set_pci_command_bus_master
DEBUGF 1, "K : IDE CH1 DMA enabled\n"
mov [ecx+IDE_DATA.dma_hdd_channel_1], byte 1
;--------------------------------------
.ch2_check:
test ah, 1010b ; check for ATAPI devices
jz @f
;--------------------------------------
.ch2_pio_set_ATAPI:
DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n"
jmp .ch2_pio_set_for_all
;--------------------------------------
.ch2_pio_set_no_devices:
DEBUGF 1, "K : IDE CH2 PIO because no devices\n"
jmp .ch2_pio_set_for_all
;--------------------------------------
.ch2_pio_set:
DEBUGF 1, "K : IDE CH2 PIO because device not support UDMA\n"
;--------------------------------------
.ch2_pio_set_for_all:
mov [ecx+IDE_DATA.dma_hdd_channel_2], al
jmp .set_interrupts_for_IDE_controllers
;--------------------------------------
@@:
mov ebx, 4
call calculate_IDE_device_values_storage
test ah, 101b
jz .ch2_pio_set_no_devices
test ah, 100b
jz @f
cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al
je .ch2_pio_set
cmp [ebx+IDE_DEVICE.UDMA_set_mode], al
je .ch2_pio_set
;--------------------------------------
@@:
test ah, 1b
jz @f
add ebx, 2
cmp [ebx+IDE_DEVICE.UDMA_possible_modes], al
je .ch2_pio_set
cmp [ebx+IDE_DEVICE.UDMA_set_mode], al
je .ch2_pio_set
;--------------------------------------
@@:
mov dx, [ecx+IDE_DATA.BAR3_val] ;0x374
add dx, 2 ;0x376
out dx, al
call set_pci_command_bus_master
DEBUGF 1, "K : IDE CH2 DMA enabled\n"
mov [ecx+IDE_DATA.dma_hdd_channel_2], byte 1
;--------------------------------------
.set_interrupts_for_IDE_controllers:
mov esi, boot_set_int_IDE
call boot_log
;--------------------------------------
mov eax, [ecx+IDE_DATA.ProgrammingInterface]
; cmp ax, 0x0180
; je .pata_ide
; cmp ax, 0x018a
; jne .sata_ide
test al, 1 ; 0 - legacy PCI mode, 1 - native PCI mode
jnz .sata_ide
;--------------------------------------
.pata_ide:
cmp [ecx+IDE_DATA.RegsBaseAddres], 0
je .end_set_interrupts
push ecx
stdcall attach_int_handler, 14, IDE_irq_14_handler, ecx
pop ecx
DEBUGF 1, "K : Set IDE IRQ14 return code %x\n", eax
push ecx
stdcall attach_int_handler, 15, IDE_irq_15_handler, ecx
DEBUGF 1, "K : Set IDE IRQ15 return code %x\n", eax
pop ecx
jmp .end_set_interrupts
;--------------------------------------
.sata_ide:
; cmp ax, 0x0185
; je .sata_ide_1
; cmp ax, 0x018f
; jne .end_set_interrupts
;--------------------------------------
;.sata_ide_1:
; Some weird controllers generate an interrupt even if IDE interrupts
; are disabled and no IDE devices. For example, notebook ASUS K72F -
; IDE controller 010185 generates false interrupt when we work with
; the IDE controller 01018f. For this reason, the interrupt handler
; does not need to be installed if both channel IDE controller
; running in PIO mode.
; ...unfortunately, PCI interrupt can be shared with other devices
; which could enable it without consulting IDE code.
; So install the handler anyways and try to process
; even those interrupts which we are not expecting.
cmp [ecx+IDE_DATA.RegsBaseAddres], 0
je .end_set_interrupts
mov ax, [ecx+IDE_DATA.Interrupt]
movzx eax, al
push ecx
stdcall attach_int_handler, eax, IDE_common_irq_handler, ecx
pop ecx
DEBUGF 1, "K : Set IDE IRQ%d return code %x\n", [ecx+IDE_DATA.Interrupt]:1, eax
;--------------------------------------
.end_set_interrupts:
popfd
ret
;-----------------------------------------------------------------------------
; END of initialisation IDE ATA code
;-----------------------------------------------------------------------------
find_IDE_controller_done:
mov ecx, IDE_controller_1
mov [IDE_controller_pointer], ecx
call Init_IDE_ATA_controller
mov ecx, IDE_controller_2
mov [IDE_controller_pointer], ecx
call Init_IDE_ATA_controller
mov ecx, IDE_controller_3
mov [IDE_controller_pointer], ecx
call Init_IDE_ATA_controller
;-----------------------------------------------------------------------------
mov esi, boot_getcache
call boot_log
include 'getcache.inc'
;-----------------------------------------------------------------------------
mov esi, boot_detectpart
call boot_log
include 'sear_par.inc'
;-----------------------------------------------------------------------------
mov esi, boot_init_sys
call boot_log
call Parser_params
if ~ defined extended_primary_loader
; ramdisk image should be loaded by extended primary loader if it exists
; READ RAMDISK IMAGE FROM HD
include '../boot/rdload.inc'
end if
;-----------------------------------------------------------------------------
mov ecx, IDE_controller_1
mov [IDE_controller_pointer], ecx
call Init_IDE_ATA_controller_2
mov ecx, IDE_controller_2
mov [IDE_controller_pointer], ecx
call Init_IDE_ATA_controller_2
mov ecx, IDE_controller_3
mov [IDE_controller_pointer], ecx
call Init_IDE_ATA_controller_2
;-----------------------------------------------------------------------------