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path: root/drivers/ide/ppc/mpc8xx.c
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Diffstat (limited to 'drivers/ide/ppc/mpc8xx.c')
-rw-r--r--drivers/ide/ppc/mpc8xx.c851
1 files changed, 0 insertions, 851 deletions
diff --git a/drivers/ide/ppc/mpc8xx.c b/drivers/ide/ppc/mpc8xx.c
deleted file mode 100644
index 236f9c38e519..000000000000
--- a/drivers/ide/ppc/mpc8xx.c
+++ /dev/null
@@ -1,851 +0,0 @@
-/*
- * Copyright (C) 2000, 2001 Wolfgang Denk, wd@denx.de
- * Modified for direct IDE interface
- * by Thomas Lange, thomas@corelatus.com
- * Modified for direct IDE interface on 8xx without using the PCMCIA
- * controller
- * by Steven.Scholz@imc-berlin.de
- * Moved out of arch/ppc/kernel/m8xx_setup.c, other minor cleanups
- * by Mathew Locke <mattl@mvista.com>
- */
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/tty.h>
-#include <linux/major.h>
-#include <linux/interrupt.h>
-#include <linux/reboot.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/ide.h>
-#include <linux/bootmem.h>
-
-#include <asm/mpc8xx.h>
-#include <asm/mmu.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/ide.h>
-#include <asm/8xx_immap.h>
-#include <asm/machdep.h>
-#include <asm/irq.h>
-
-#define DRV_NAME "ide-mpc8xx"
-
-static int identify (volatile u8 *p);
-static void print_fixed (volatile u8 *p);
-static void print_funcid (int func);
-static int check_ide_device (unsigned long base);
-
-static void ide_interrupt_ack (void *dev);
-static void m8xx_ide_set_pio_mode(ide_drive_t *drive, const u8 pio);
-
-typedef struct ide_ioport_desc {
- unsigned long base_off; /* Offset to PCMCIA memory */
- unsigned long reg_off[IDE_NR_PORTS]; /* controller register offsets */
- int irq; /* IRQ */
-} ide_ioport_desc_t;
-
-ide_ioport_desc_t ioport_dsc[MAX_HWIFS] = {
-#ifdef IDE0_BASE_OFFSET
- { IDE0_BASE_OFFSET,
- {
- IDE0_DATA_REG_OFFSET,
- IDE0_ERROR_REG_OFFSET,
- IDE0_NSECTOR_REG_OFFSET,
- IDE0_SECTOR_REG_OFFSET,
- IDE0_LCYL_REG_OFFSET,
- IDE0_HCYL_REG_OFFSET,
- IDE0_SELECT_REG_OFFSET,
- IDE0_STATUS_REG_OFFSET,
- IDE0_CONTROL_REG_OFFSET,
- IDE0_IRQ_REG_OFFSET,
- },
- IDE0_INTERRUPT,
- },
-#ifdef IDE1_BASE_OFFSET
- { IDE1_BASE_OFFSET,
- {
- IDE1_DATA_REG_OFFSET,
- IDE1_ERROR_REG_OFFSET,
- IDE1_NSECTOR_REG_OFFSET,
- IDE1_SECTOR_REG_OFFSET,
- IDE1_LCYL_REG_OFFSET,
- IDE1_HCYL_REG_OFFSET,
- IDE1_SELECT_REG_OFFSET,
- IDE1_STATUS_REG_OFFSET,
- IDE1_CONTROL_REG_OFFSET,
- IDE1_IRQ_REG_OFFSET,
- },
- IDE1_INTERRUPT,
- },
-#endif /* IDE1_BASE_OFFSET */
-#endif /* IDE0_BASE_OFFSET */
-};
-
-ide_pio_timings_t ide_pio_clocks[6];
-int hold_time[6] = {30, 20, 15, 10, 10, 10 }; /* PIO Mode 5 with IORDY (nonstandard) */
-
-/*
- * Warning: only 1 (ONE) PCMCIA slot supported here,
- * which must be correctly initialized by the firmware (PPCBoot).
- */
-static int _slot_ = -1; /* will be read from PCMCIA registers */
-
-/* Make clock cycles and always round up */
-#define PCMCIA_MK_CLKS( t, T ) (( (t) * ((T)/1000000) + 999U ) / 1000U )
-
-#define M8XX_PCMCIA_CD2(slot) (0x10000000 >> (slot << 4))
-#define M8XX_PCMCIA_CD1(slot) (0x08000000 >> (slot << 4))
-
-/*
- * The TQM850L hardware has two pins swapped! Grrrrgh!
- */
-#ifdef CONFIG_TQM850L
-#define __MY_PCMCIA_GCRX_CXRESET PCMCIA_GCRX_CXOE
-#define __MY_PCMCIA_GCRX_CXOE PCMCIA_GCRX_CXRESET
-#else
-#define __MY_PCMCIA_GCRX_CXRESET PCMCIA_GCRX_CXRESET
-#define __MY_PCMCIA_GCRX_CXOE PCMCIA_GCRX_CXOE
-#endif
-
-#if defined(CONFIG_BLK_DEV_MPC8xx_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
-#define PCMCIA_SCHLVL IDE0_INTERRUPT /* Status Change Interrupt Level */
-static int pcmcia_schlvl = PCMCIA_SCHLVL;
-#endif
-
-/*
- * See include/linux/ide.h for definition of hw_regs_t (p, base)
- */
-
-/*
- * m8xx_ide_init_ports() for a direct IDE interface _using_
- * MPC8xx's internal PCMCIA interface
- */
-#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_DIRECT)
-static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
-{
- unsigned long *p = hw->io_ports_array;
- int i;
-
- typedef struct {
- ulong br;
- ulong or;
- } pcmcia_win_t;
- volatile pcmcia_win_t *win;
- volatile pcmconf8xx_t *pcmp;
-
- uint *pgcrx;
- u32 pcmcia_phy_base;
- u32 pcmcia_phy_end;
- static unsigned long pcmcia_base = 0;
- unsigned long base;
-
- *p = 0;
-
- pcmp = (pcmconf8xx_t *)(&(((immap_t *)IMAP_ADDR)->im_pcmcia));
-
- if (!pcmcia_base) {
- /*
- * Read out PCMCIA registers. Since the reset values
- * are undefined, we sure hope that they have been
- * set up by firmware
- */
-
- /* Scan all registers for valid settings */
- pcmcia_phy_base = 0xFFFFFFFF;
- pcmcia_phy_end = 0;
- /* br0 is start of brX and orX regs */
- win = (pcmcia_win_t *) \
- (&(((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0));
- for (i = 0; i < 8; i++) {
- if (win->or & 1) { /* This bank is marked as valid */
- if (win->br < pcmcia_phy_base) {
- pcmcia_phy_base = win->br;
- }
- if ((win->br + PCMCIA_MEM_SIZE) > pcmcia_phy_end) {
- pcmcia_phy_end = win->br + PCMCIA_MEM_SIZE;
- }
- /* Check which slot that has been defined */
- _slot_ = (win->or >> 2) & 1;
-
- } /* Valid bank */
- win++;
- } /* for */
-
- printk ("PCMCIA slot %c: phys mem %08x...%08x (size %08x)\n",
- 'A' + _slot_,
- pcmcia_phy_base, pcmcia_phy_end,
- pcmcia_phy_end - pcmcia_phy_base);
-
- if (!request_mem_region(pcmcia_phy_base,
- pcmcia_phy_end - pcmcia_phy_base,
- DRV_NAME)) {
- printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
- return -EBUSY;
- }
-
- pcmcia_base=(unsigned long)ioremap(pcmcia_phy_base,
- pcmcia_phy_end-pcmcia_phy_base);
-
-#ifdef DEBUG
- printk ("PCMCIA virt base: %08lx\n", pcmcia_base);
-#endif
- /* Compute clock cycles for PIO timings */
- for (i=0; i<6; ++i) {
- bd_t *binfo = (bd_t *)__res;
-
- hold_time[i] =
- PCMCIA_MK_CLKS (hold_time[i],
- binfo->bi_busfreq);
- ide_pio_clocks[i].setup_time =
- PCMCIA_MK_CLKS (ide_pio_timings[i].setup_time,
- binfo->bi_busfreq);
- ide_pio_clocks[i].active_time =
- PCMCIA_MK_CLKS (ide_pio_timings[i].active_time,
- binfo->bi_busfreq);
- ide_pio_clocks[i].cycle_time =
- PCMCIA_MK_CLKS (ide_pio_timings[i].cycle_time,
- binfo->bi_busfreq);
-#if 0
- printk ("PIO mode %d timings: %d/%d/%d => %d/%d/%d\n",
- i,
- ide_pio_clocks[i].setup_time,
- ide_pio_clocks[i].active_time,
- ide_pio_clocks[i].hold_time,
- ide_pio_clocks[i].cycle_time,
- ide_pio_timings[i].setup_time,
- ide_pio_timings[i].active_time,
- ide_pio_timings[i].hold_time,
- ide_pio_timings[i].cycle_time);
-#endif
- }
- }
-
- if (_slot_ == -1) {
- printk ("PCMCIA slot has not been defined! Using A as default\n");
- _slot_ = 0;
- }
-
-#ifdef CONFIG_IDE_8xx_PCCARD
-
-#ifdef DEBUG
- printk ("PIPR = 0x%08X slot %c ==> mask = 0x%X\n",
- pcmp->pcmc_pipr,
- 'A' + _slot_,
- M8XX_PCMCIA_CD1(_slot_) | M8XX_PCMCIA_CD2(_slot_) );
-#endif /* DEBUG */
-
- if (pcmp->pcmc_pipr & (M8XX_PCMCIA_CD1(_slot_)|M8XX_PCMCIA_CD2(_slot_))) {
- printk ("No card in slot %c: PIPR=%08x\n",
- 'A' + _slot_, (u32) pcmp->pcmc_pipr);
- return -ENODEV; /* No card in slot */
- }
-
- check_ide_device (pcmcia_base);
-
-#endif /* CONFIG_IDE_8xx_PCCARD */
-
- base = pcmcia_base + ioport_dsc[data_port].base_off;
-#ifdef DEBUG
- printk ("base: %08x + %08x = %08x\n",
- pcmcia_base, ioport_dsc[data_port].base_off, base);
-#endif
-
- for (i = 0; i < IDE_NR_PORTS; ++i) {
-#ifdef DEBUG
- printk ("port[%d]: %08x + %08x = %08x\n",
- i,
- base,
- ioport_dsc[data_port].reg_off[i],
- i, base + ioport_dsc[data_port].reg_off[i]);
-#endif
- *p++ = base + ioport_dsc[data_port].reg_off[i];
- }
-
- hw->irq = ioport_dsc[data_port].irq;
- hw->ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
-
-#ifdef CONFIG_IDE_8xx_PCCARD
- {
- unsigned int reg;
-
- if (_slot_)
- pgcrx = &((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pgcrb;
- else
- pgcrx = &((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pgcra;
-
- reg = *pgcrx;
- reg |= mk_int_int_mask (pcmcia_schlvl) << 24;
- reg |= mk_int_int_mask (pcmcia_schlvl) << 16;
- *pgcrx = reg;
- }
-#endif /* CONFIG_IDE_8xx_PCCARD */
-
- /* Enable Harddisk Interrupt,
- * and make it edge sensitive
- */
- /* (11-18) Set edge detect for irq, no wakeup from low power mode */
- ((immap_t *)IMAP_ADDR)->im_siu_conf.sc_siel |=
- (0x80000000 >> ioport_dsc[data_port].irq);
-
-#ifdef CONFIG_IDE_8xx_PCCARD
- /* Make sure we don't get garbage irq */
- ((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pscr = 0xFFFF;
-
- /* Enable falling edge irq */
- pcmp->pcmc_per = 0x100000 >> (16 * _slot_);
-#endif /* CONFIG_IDE_8xx_PCCARD */
-
- hw->chipset = ide_generic;
-
- return 0;
-}
-#endif /* CONFIG_IDE_8xx_PCCARD || CONFIG_IDE_8xx_DIRECT */
-
-/*
- * m8xx_ide_init_ports() for a direct IDE interface _not_ using
- * MPC8xx's internal PCMCIA interface
- */
-#if defined(CONFIG_IDE_EXT_DIRECT)
-static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
-{
- unsigned long *p = hw->io_ports_array;
- int i;
-
- u32 ide_phy_base;
- u32 ide_phy_end;
- static unsigned long ide_base = 0;
- unsigned long base;
-
- *p = 0;
-
- if (!ide_base) {
-
- /* TODO:
- * - add code to read ORx, BRx
- */
- ide_phy_base = CFG_ATA_BASE_ADDR;
- ide_phy_end = CFG_ATA_BASE_ADDR + 0x200;
-
- printk ("IDE phys mem : %08x...%08x (size %08x)\n",
- ide_phy_base, ide_phy_end,
- ide_phy_end - ide_phy_base);
-
- if (!request_mem_region(ide_phy_base, 0x200, DRV_NAME)) {
- printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
- return -EBUSY;
- }
-
- ide_base=(unsigned long)ioremap(ide_phy_base,
- ide_phy_end-ide_phy_base);
-
-#ifdef DEBUG
- printk ("IDE virt base: %08lx\n", ide_base);
-#endif
- }
-
- base = ide_base + ioport_dsc[data_port].base_off;
-#ifdef DEBUG
- printk ("base: %08x + %08x = %08x\n",
- ide_base, ioport_dsc[data_port].base_off, base);
-#endif
-
- for (i = 0; i < IDE_NR_PORTS; ++i) {
-#ifdef DEBUG
- printk ("port[%d]: %08x + %08x = %08x\n",
- i,
- base,
- ioport_dsc[data_port].reg_off[i],
- i, base + ioport_dsc[data_port].reg_off[i]);
-#endif
- *p++ = base + ioport_dsc[data_port].reg_off[i];
- }
-
- /* direct connected IDE drive, i.e. external IRQ */
- hw->irq = ioport_dsc[data_port].irq;
- hw->ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
-
- /* Enable Harddisk Interrupt,
- * and make it edge sensitive
- */
- /* (11-18) Set edge detect for irq, no wakeup from low power mode */
- ((immap_t *) IMAP_ADDR)->im_siu_conf.sc_siel |=
- (0x80000000 >> ioport_dsc[data_port].irq);
-
- hw->chipset = ide_generic;
-
- return 0;
-}
-#endif /* CONFIG_IDE_8xx_DIRECT */
-
-
-/* -------------------------------------------------------------------- */
-
-
-/* PCMCIA Timing */
-#ifndef PCMCIA_SHT
-#define PCMCIA_SHT(t) ((t & 0x0F)<<16) /* Strobe Hold Time */
-#define PCMCIA_SST(t) ((t & 0x0F)<<12) /* Strobe Setup Time */
-#define PCMCIA_SL(t) ((t==32) ? 0 : ((t & 0x1F)<<7)) /* Strobe Length */
-#endif
-
-/* Calculate PIO timings */
-static void m8xx_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
-{
-#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_DIRECT)
- volatile pcmconf8xx_t *pcmp;
- ulong timing, mask, reg;
-
- pcmp = (pcmconf8xx_t *)(&(((immap_t *)IMAP_ADDR)->im_pcmcia));
-
- mask = ~(PCMCIA_SHT(0xFF) | PCMCIA_SST(0xFF) | PCMCIA_SL(0xFF));
-
- timing = PCMCIA_SHT(hold_time[pio] )
- | PCMCIA_SST(ide_pio_clocks[pio].setup_time )
- | PCMCIA_SL (ide_pio_clocks[pio].active_time)
- ;
-
-#if 1
- printk ("Setting timing bits 0x%08lx in PCMCIA controller\n", timing);
-#endif
- if ((reg = pcmp->pcmc_por0 & mask) != 0)
- pcmp->pcmc_por0 = reg | timing;
-
- if ((reg = pcmp->pcmc_por1 & mask) != 0)
- pcmp->pcmc_por1 = reg | timing;
-
- if ((reg = pcmp->pcmc_por2 & mask) != 0)
- pcmp->pcmc_por2 = reg | timing;
-
- if ((reg = pcmp->pcmc_por3 & mask) != 0)
- pcmp->pcmc_por3 = reg | timing;
-
- if ((reg = pcmp->pcmc_por4 & mask) != 0)
- pcmp->pcmc_por4 = reg | timing;
-
- if ((reg = pcmp->pcmc_por5 & mask) != 0)
- pcmp->pcmc_por5 = reg | timing;
-
- if ((reg = pcmp->pcmc_por6 & mask) != 0)
- pcmp->pcmc_por6 = reg | timing;
-
- if ((reg = pcmp->pcmc_por7 & mask) != 0)
- pcmp->pcmc_por7 = reg | timing;
-
-#elif defined(CONFIG_IDE_EXT_DIRECT)
-
- printk("%s[%d] %s: not implemented yet!\n",
- __FILE__, __LINE__, __func__);
-#endif /* defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_PCMCIA */
-}
-
-static const struct ide_port_ops m8xx_port_ops = {
- .set_pio_mode = m8xx_ide_set_pio_mode,
-};
-
-static void
-ide_interrupt_ack (void *dev)
-{
-#ifdef CONFIG_IDE_8xx_PCCARD
- u_int pscr, pipr;
-
-#if (PCMCIA_SOCKETS_NO == 2)
- u_int _slot_;
-#endif
-
- /* get interrupt sources */
-
- pscr = ((volatile immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr;
- pipr = ((volatile immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pipr;
-
- /*
- * report only if both card detect signals are the same
- * not too nice done,
- * we depend on that CD2 is the bit to the left of CD1...
- */
-
- if(_slot_==-1){
- printk("PCMCIA slot has not been defined! Using A as default\n");
- _slot_=0;
- }
-
- if(((pipr & M8XX_PCMCIA_CD2(_slot_)) >> 1) ^
- (pipr & M8XX_PCMCIA_CD1(_slot_)) ) {
- printk ("card detect interrupt\n");
- }
- /* clear the interrupt sources */
- ((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr = pscr;
-
-#else /* ! CONFIG_IDE_8xx_PCCARD */
- /*
- * Only CONFIG_IDE_8xx_PCCARD is using the interrupt of the
- * MPC8xx's PCMCIA controller, so there is nothing to be done here
- * for CONFIG_IDE_8xx_DIRECT and CONFIG_IDE_EXT_DIRECT.
- * The interrupt is handled somewhere else. -- Steven
- */
-#endif /* CONFIG_IDE_8xx_PCCARD */
-}
-
-
-
-/*
- * CIS Tupel codes
- */
-#define CISTPL_NULL 0x00
-#define CISTPL_DEVICE 0x01
-#define CISTPL_LONGLINK_CB 0x02
-#define CISTPL_INDIRECT 0x03
-#define CISTPL_CONFIG_CB 0x04
-#define CISTPL_CFTABLE_ENTRY_CB 0x05
-#define CISTPL_LONGLINK_MFC 0x06
-#define CISTPL_BAR 0x07
-#define CISTPL_PWR_MGMNT 0x08
-#define CISTPL_EXTDEVICE 0x09
-#define CISTPL_CHECKSUM 0x10
-#define CISTPL_LONGLINK_A 0x11
-#define CISTPL_LONGLINK_C 0x12
-#define CISTPL_LINKTARGET 0x13
-#define CISTPL_NO_LINK 0x14
-#define CISTPL_VERS_1 0x15
-#define CISTPL_ALTSTR 0x16
-#define CISTPL_DEVICE_A 0x17
-#define CISTPL_JEDEC_C 0x18
-#define CISTPL_JEDEC_A 0x19
-#define CISTPL_CONFIG 0x1a
-#define CISTPL_CFTABLE_ENTRY 0x1b
-#define CISTPL_DEVICE_OC 0x1c
-#define CISTPL_DEVICE_OA 0x1d
-#define CISTPL_DEVICE_GEO 0x1e
-#define CISTPL_DEVICE_GEO_A 0x1f
-#define CISTPL_MANFID 0x20
-#define CISTPL_FUNCID 0x21
-#define CISTPL_FUNCE 0x22
-#define CISTPL_SWIL 0x23
-#define CISTPL_END 0xff
-
-/*
- * CIS Function ID codes
- */
-#define CISTPL_FUNCID_MULTI 0x00
-#define CISTPL_FUNCID_MEMORY 0x01
-#define CISTPL_FUNCID_SERIAL 0x02
-#define CISTPL_FUNCID_PARALLEL 0x03
-#define CISTPL_FUNCID_FIXED 0x04
-#define CISTPL_FUNCID_VIDEO 0x05
-#define CISTPL_FUNCID_NETWORK 0x06
-#define CISTPL_FUNCID_AIMS 0x07
-#define CISTPL_FUNCID_SCSI 0x08
-
-/*
- * Fixed Disk FUNCE codes
- */
-#define CISTPL_IDE_INTERFACE 0x01
-
-#define CISTPL_FUNCE_IDE_IFACE 0x01
-#define CISTPL_FUNCE_IDE_MASTER 0x02
-#define CISTPL_FUNCE_IDE_SLAVE 0x03
-
-/* First feature byte */
-#define CISTPL_IDE_SILICON 0x04
-#define CISTPL_IDE_UNIQUE 0x08
-#define CISTPL_IDE_DUAL 0x10
-
-/* Second feature byte */
-#define CISTPL_IDE_HAS_SLEEP 0x01
-#define CISTPL_IDE_HAS_STANDBY 0x02
-#define CISTPL_IDE_HAS_IDLE 0x04
-#define CISTPL_IDE_LOW_POWER 0x08
-#define CISTPL_IDE_REG_INHIBIT 0x10
-#define CISTPL_IDE_HAS_INDEX 0x20
-#define CISTPL_IDE_IOIS16 0x40
-
-
-/* -------------------------------------------------------------------- */
-
-
-#define MAX_TUPEL_SZ 512
-#define MAX_FEATURES 4
-
-static int check_ide_device (unsigned long base)
-{
- volatile u8 *ident = NULL;
- volatile u8 *feature_p[MAX_FEATURES];
- volatile u8 *p, *start;
- int n_features = 0;
- u8 func_id = ~0;
- u8 code, len;
- unsigned short config_base = 0;
- int found = 0;
- int i;
-
-#ifdef DEBUG
- printk ("PCMCIA MEM: %08lX\n", base);
-#endif
- start = p = (volatile u8 *) base;
-
- while ((p - start) < MAX_TUPEL_SZ) {
-
- code = *p; p += 2;
-
- if (code == 0xFF) { /* End of chain */
- break;
- }
-
- len = *p; p += 2;
-#ifdef DEBUG_PCMCIA
- { volatile u8 *q = p;
- printk ("\nTuple code %02x length %d\n\tData:",
- code, len);
-
- for (i = 0; i < len; ++i) {
- printk (" %02x", *q);
- q+= 2;
- }
- }
-#endif /* DEBUG_PCMCIA */
- switch (code) {
- case CISTPL_VERS_1:
- ident = p + 4;
- break;
- case CISTPL_FUNCID:
- func_id = *p;
- break;
- case CISTPL_FUNCE:
- if (n_features < MAX_FEATURES)
- feature_p[n_features++] = p;
- break;
- case CISTPL_CONFIG:
- config_base = (*(p+6) << 8) + (*(p+4));
- default:
- break;
- }
- p += 2 * len;
- }
-
- found = identify (ident);
-
- if (func_id != ((u8)~0)) {
- print_funcid (func_id);
-
- if (func_id == CISTPL_FUNCID_FIXED)
- found = 1;
- else
- return (1); /* no disk drive */
- }
-
- for (i=0; i<n_features; ++i) {
- print_fixed (feature_p[i]);
- }
-
- if (!found) {
- printk ("unknown card type\n");
- return (1);
- }
-
- /* set level mode irq and I/O mapped device in config reg*/
- *((u8 *)(base + config_base)) = 0x41;
-
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-static void print_funcid (int func)
-{
- switch (func) {
- case CISTPL_FUNCID_MULTI:
- printk (" Multi-Function");
- break;
- case CISTPL_FUNCID_MEMORY:
- printk (" Memory");
- break;
- case CISTPL_FUNCID_SERIAL:
- printk (" Serial Port");
- break;
- case CISTPL_FUNCID_PARALLEL:
- printk (" Parallel Port");
- break;
- case CISTPL_FUNCID_FIXED:
- printk (" Fixed Disk");
- break;
- case CISTPL_FUNCID_VIDEO:
- printk (" Video Adapter");
- break;
- case CISTPL_FUNCID_NETWORK:
- printk (" Network Adapter");
- break;
- case CISTPL_FUNCID_AIMS:
- printk (" AIMS Card");
- break;
- case CISTPL_FUNCID_SCSI:
- printk (" SCSI Adapter");
- break;
- default:
- printk (" Unknown");
- break;
- }
- printk (" Card\n");
-}
-
-/* ------------------------------------------------------------------------- */
-
-static void print_fixed (volatile u8 *p)
-{
- if (p == NULL)
- return;
-
- switch (*p) {
- case CISTPL_FUNCE_IDE_IFACE:
- { u8 iface = *(p+2);
-
- printk ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown");
- printk (" interface ");
- break;
- }
- case CISTPL_FUNCE_IDE_MASTER:
- case CISTPL_FUNCE_IDE_SLAVE:
- { u8 f1 = *(p+2);
- u8 f2 = *(p+4);
-
- printk ((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]");
-
- if (f1 & CISTPL_IDE_UNIQUE)
- printk (" [unique]");
-
- printk ((f1 & CISTPL_IDE_DUAL) ? " [dual]" : " [single]");
-
- if (f2 & CISTPL_IDE_HAS_SLEEP)
- printk (" [sleep]");
-
- if (f2 & CISTPL_IDE_HAS_STANDBY)
- printk (" [standby]");
-
- if (f2 & CISTPL_IDE_HAS_IDLE)
- printk (" [idle]");
-
- if (f2 & CISTPL_IDE_LOW_POWER)
- printk (" [low power]");
-
- if (f2 & CISTPL_IDE_REG_INHIBIT)
- printk (" [reg inhibit]");
-
- if (f2 & CISTPL_IDE_HAS_INDEX)
- printk (" [index]");
-
- if (f2 & CISTPL_IDE_IOIS16)
- printk (" [IOis16]");
-
- break;
- }
- }
- printk ("\n");
-}
-
-/* ------------------------------------------------------------------------- */
-
-
-#define MAX_IDENT_CHARS 64
-#define MAX_IDENT_FIELDS 4
-
-static u8 *known_cards[] = {
- "ARGOSY PnPIDE D5",
- NULL
-};
-
-static int identify (volatile u8 *p)
-{
- u8 id_str[MAX_IDENT_CHARS];
- u8 data;
- u8 *t;
- u8 **card;
- int i, done;
-
- if (p == NULL)
- return (0); /* Don't know */
-
- t = id_str;
- done =0;
-
- for (i=0; i<=4 && !done; ++i, p+=2) {
- while ((data = *p) != '\0') {
- if (data == 0xFF) {
- done = 1;
- break;
- }
- *t++ = data;
- if (t == &id_str[MAX_IDENT_CHARS-1]) {
- done = 1;
- break;
- }
- p += 2;
- }
- if (!done)
- *t++ = ' ';
- }
- *t = '\0';
- while (--t > id_str) {
- if (*t == ' ')
- *t = '\0';
- else
- break;
- }
- printk ("Card ID: %s\n", id_str);
-
- for (card=known_cards; *card; ++card) {
- if (strcmp(*card, id_str) == 0) { /* found! */
- return (1);
- }
- }
-
- return (0); /* don't know */
-}
-
-static int __init mpc8xx_ide_probe(void)
-{
- hw_regs_t hw;
- u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
-
-#ifdef IDE0_BASE_OFFSET
- memset(&hw, 0, sizeof(hw));
- if (!m8xx_ide_init_ports(&hw, 0)) {
- ide_hwif_t *hwif = ide_find_port();
-
- if (hwif) {
- ide_init_port_hw(hwif, &hw);
- hwif->pio_mask = ATA_PIO4;
- hwif->port_ops = &m8xx_port_ops;
-
- idx[0] = hwif->index;
- }
- }
-#ifdef IDE1_BASE_OFFSET
- memset(&hw, 0, sizeof(hw));
- if (!m8xx_ide_init_ports(&hw, 1)) {
- ide_hwif_t *mate = ide_find_port();
-
- if (mate) {
- ide_init_port_hw(mate, &hw);
- mate->pio_mask = ATA_PIO4;
- mate->port_ops = &m8xx_port_ops;
-
- idx[1] = mate->index;
- }
- }
-#endif
-#endif
-
- ide_device_add(idx, NULL);
-
- return 0;
-}
-
-module_init(mpc8xx_ide_probe);
-
-MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 01:40:24 +0000