ide-h8300.c revision eb3aff5530d22eb4be0a99c9d39c9ffde7b9891a
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * H8/300 generic IDE interface 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ide.h> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/irq.h> 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11eb3aff5530d22eb4be0a99c9d39c9ffde7b9891aBartlomiej Zolnierkiewicz#define DRV_NAME "ide-h8300" 12eb3aff5530d22eb4be0a99c9d39c9ffde7b9891aBartlomiej Zolnierkiewicz 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define bswap(d) \ 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds({ \ 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 r; \ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __asm__("mov.b %w1,r1h\n\t" \ 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "mov.b %x1,r1l\n\t" \ 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "mov.w r1,%0" \ 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"=r"(r) \ 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"r"(d) \ 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"er1"); \ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (r); \ 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}) 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void mm_outw(u16 d, unsigned long a) 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __asm__("mov.b %w0,r2h\n\t" 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "mov.b %x0,r2l\n\t" 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "mov.w r2,@%1" 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds : 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"r"(d),"r"(a) 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"er2"); 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u16 mm_inw(unsigned long a) 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds register u16 r __asm__("er0"); 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __asm__("mov.w @%1,r2\n\t" 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "mov.b r2l,%x0\n\t" 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "mov.b r2h,%w0" 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"=r"(r) 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"r"(a) 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds :"er2"); 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return r; 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewiczstatic void h8300_tf_load(ide_drive_t *drive, ide_task_t *task) 4892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz{ 4992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz ide_hwif_t *hwif = drive->hwif; 5092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz struct ide_io_ports *io_ports = &hwif->io_ports; 5192fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz struct ide_taskfile *tf = &task->tf; 5292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF; 5392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 5492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_FLAGGED) 5592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz HIHI = 0xFF; 5692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 5792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_DATA) 5892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz mm_outw((tf->hob_data << 8) | tf->data, io_ports->data_addr); 5992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 6092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE) 6192fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->hob_feature, io_ports->feature_addr); 6292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT) 6392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->hob_nsect, io_ports->nsect_addr); 6492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL) 6592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->hob_lbal, io_ports->lbal_addr); 6692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM) 6792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->hob_lbam, io_ports->lbam_addr); 6892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH) 6992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->hob_lbah, io_ports->lbah_addr); 7092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 7192fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_FEATURE) 7292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->feature, io_ports->feature_addr); 7392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_NSECT) 7492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->nsect, io_ports->nsect_addr); 7592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_LBAL) 7692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->lbal, io_ports->lbal_addr); 7792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_LBAM) 7892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->lbam, io_ports->lbam_addr); 7992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_LBAH) 8092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb(tf->lbah, io_ports->lbah_addr); 8192fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 8292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) 8392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz outb((tf->device & HIHI) | drive->select.all, 8492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz io_ports->device_addr); 8592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz} 8692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 8792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewiczstatic void h8300_tf_read(ide_drive_t *drive, ide_task_t *task) 8892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz{ 8992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz ide_hwif_t *hwif = drive->hwif; 9092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz struct ide_io_ports *io_ports = &hwif->io_ports; 9192fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz struct ide_taskfile *tf = &task->tf; 9292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 9392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_DATA) { 9492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz u16 data = mm_inw(io_ports->data_addr); 9592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 9692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->data = data & 0xff; 9792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->hob_data = (data >> 8) & 0xff; 9892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz } 9992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 10092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz /* be sure we're looking at the low order bits */ 101ff07488346702f554aaeb6aae982540aa0302373Bartlomiej Zolnierkiewicz outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); 10292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 10392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_NSECT) 10492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->nsect = inb(io_ports->nsect_addr); 10592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_LBAL) 10692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->lbal = inb(io_ports->lbal_addr); 10792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_LBAM) 10892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->lbam = inb(io_ports->lbam_addr); 10992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_LBAH) 11092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->lbah = inb(io_ports->lbah_addr); 11192fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_DEVICE) 11292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->device = inb(io_ports->device_addr); 11392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 11492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_LBA48) { 115ff07488346702f554aaeb6aae982540aa0302373Bartlomiej Zolnierkiewicz outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); 11692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 11792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) 11892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->hob_feature = inb(io_ports->feature_addr); 11992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT) 12092fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->hob_nsect = inb(io_ports->nsect_addr); 12192fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL) 12292fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->hob_lbal = inb(io_ports->lbal_addr); 12392fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM) 12492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->hob_lbam = inb(io_ports->lbam_addr); 12592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH) 12692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz tf->hob_lbah = inb(io_ports->lbah_addr); 12792fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz } 12892fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz} 12992fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void mm_outsw(unsigned long addr, void *buf, u32 len) 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short *bp = (unsigned short *)buf; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; len > 0; len--, bp++) 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *(volatile u16 *)addr = bswap(*bp); 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void mm_insw(unsigned long addr, void *buf, u32 len) 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short *bp = (unsigned short *)buf; 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; len > 0; len--, bp++) 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *bp = bswap(*(volatile u16 *)addr); 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 144f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewiczstatic void h8300_input_data(ide_drive_t *drive, struct request *rq, 145f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz void *buf, unsigned int len) 146f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz{ 147f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz mm_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); 148f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz} 149f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz 150f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewiczstatic void h8300_output_data(ide_drive_t *drive, struct request *rq, 151f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz void *buf, unsigned int len) 152f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz{ 153f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz mm_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); 154f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz} 155f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define H8300_IDE_GAP (2) 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void hw_setup(hw_regs_t *hw) 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(hw, 0, sizeof(hw_regs_t)); 1634c3032d8a4d6c97bd6e02bcab524ef2428d89561Bartlomiej Zolnierkiewicz for (i = 0; i <= 7; i++) 1644c3032d8a4d6c97bd6e02bcab524ef2428d89561Bartlomiej Zolnierkiewicz hw->io_ports_array[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i; 1654c3032d8a4d6c97bd6e02bcab524ef2428d89561Bartlomiej Zolnierkiewicz hw->io_ports.ctl_addr = CONFIG_H8300_IDE_ALT; 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->irq = EXT_IRQ0 + CONFIG_H8300_IDE_IRQ; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->chipset = ide_generic; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void hwif_setup(ide_hwif_t *hwif) 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default_hwif_iops(hwif); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17492fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz hwif->tf_load = h8300_tf_load; 17592fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz hwif->tf_read = h8300_tf_read; 17692fcaaa85ec2004abc148b70b667812a42ae8272Bartlomiej Zolnierkiewicz 177f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz hwif->input_data = h8300_input_data; 178f04ff9cbb6389a6db64659cf917a1b6ac159f9f2Bartlomiej Zolnierkiewicz hwif->output_data = h8300_output_data; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 181f81eb80bbb949f9498980c785ef7dd4c994a4909Bartlomiej Zolnierkiewiczstatic const struct ide_port_info h8300_port_info = { 182f81eb80bbb949f9498980c785ef7dd4c994a4909Bartlomiej Zolnierkiewicz .host_flags = IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_NO_DMA, 183f81eb80bbb949f9498980c785ef7dd4c994a4909Bartlomiej Zolnierkiewicz}; 184f81eb80bbb949f9498980c785ef7dd4c994a4909Bartlomiej Zolnierkiewicz 185ade2daf9c6e57845fe83a24e0a9fa1c03c6e91b1Bartlomiej Zolnierkiewiczstatic int __init h8300_ide_init(void) 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw_regs_t hw; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ide_hwif_t *hwif; 189cbb010c180294a5242a7681555c28737d9dd26abBartlomiej Zolnierkiewicz int index; 1908ac4ce742c66100931b6f2d7a36b0df08bc721feBartlomiej Zolnierkiewicz u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!request_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8, "ide-h8300")) 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_busy; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!request_region(CONFIG_H8300_IDE_ALT, H8300_IDE_GAP, "ide-h8300")) { 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out_busy; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw_setup(&hw); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201eb3aff5530d22eb4be0a99c9d39c9ffde7b9891aBartlomiej Zolnierkiewicz hwif = ide_find_port_slot(&h8300_port_info); 202eb3aff5530d22eb4be0a99c9d39c9ffde7b9891aBartlomiej Zolnierkiewicz if (hwif == NULL) 203ade2daf9c6e57845fe83a24e0a9fa1c03c6e91b1Bartlomiej Zolnierkiewicz return -ENOENT; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 205cbb010c180294a5242a7681555c28737d9dd26abBartlomiej Zolnierkiewicz index = hwif->index; 206cbb010c180294a5242a7681555c28737d9dd26abBartlomiej Zolnierkiewicz ide_init_port_hw(hwif, &hw); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hwif_setup(hwif); 208cbb010c180294a5242a7681555c28737d9dd26abBartlomiej Zolnierkiewicz printk(KERN_INFO "ide%d: H8/300 generic IDE interface\n", index); 2098ac4ce742c66100931b6f2d7a36b0df08bc721feBartlomiej Zolnierkiewicz 2108ac4ce742c66100931b6f2d7a36b0df08bc721feBartlomiej Zolnierkiewicz idx[0] = index; 2118ac4ce742c66100931b6f2d7a36b0df08bc721feBartlomiej Zolnierkiewicz 212f81eb80bbb949f9498980c785ef7dd4c994a4909Bartlomiej Zolnierkiewicz ide_device_add(idx, &h8300_port_info); 2138ac4ce742c66100931b6f2d7a36b0df08bc721feBartlomiej Zolnierkiewicz 214ade2daf9c6e57845fe83a24e0a9fa1c03c6e91b1Bartlomiej Zolnierkiewicz return 0; 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout_busy: 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n"); 218ade2daf9c6e57845fe83a24e0a9fa1c03c6e91b1Bartlomiej Zolnierkiewicz 219ade2daf9c6e57845fe83a24e0a9fa1c03c6e91b1Bartlomiej Zolnierkiewicz return -EBUSY; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 221ade2daf9c6e57845fe83a24e0a9fa1c03c6e91b1Bartlomiej Zolnierkiewicz 222ade2daf9c6e57845fe83a24e0a9fa1c03c6e91b1Bartlomiej Zolnierkiewiczmodule_init(h8300_ide_init); 223f95dc32001445c6706ce0c337628b7c12d42a267Adrian Bunk 224f95dc32001445c6706ce0c337628b7c12d42a267Adrian BunkMODULE_LICENSE("GPL"); 225