diff options
Diffstat (limited to 'drivers/ide/arm')
| -rw-r--r-- | drivers/ide/arm/Makefile | 10 | ||||
| -rw-r--r-- | drivers/ide/arm/icside.c | 703 | ||||
| -rw-r--r-- | drivers/ide/arm/ide_arm.c | 56 | ||||
| -rw-r--r-- | drivers/ide/arm/palm_bk3710.c | 424 | ||||
| -rw-r--r-- | drivers/ide/arm/rapide.c | 107 |
5 files changed, 0 insertions, 1300 deletions
diff --git a/drivers/ide/arm/Makefile b/drivers/ide/arm/Makefile deleted file mode 100644 index 5bc26053afa6..000000000000 --- a/drivers/ide/arm/Makefile +++ /dev/null @@ -1,10 +0,0 @@ - -obj-$(CONFIG_BLK_DEV_IDE_ICSIDE) += icside.o -obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapide.o -obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710) += palm_bk3710.o - -ifeq ($(CONFIG_IDE_ARM), m) - obj-m += ide_arm.o -endif - -EXTRA_CFLAGS := -Idrivers/ide diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c deleted file mode 100644 index 76bdc9a27f6f..000000000000 --- a/drivers/ide/arm/icside.c +++ /dev/null @@ -1,703 +0,0 @@ -/* - * Copyright (c) 1996-2004 Russell King. - * - * Please note that this platform does not support 32-bit IDE IO. - */ - -#include <linux/string.h> -#include <linux/module.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/blkdev.h> -#include <linux/errno.h> -#include <linux/ide.h> -#include <linux/dma-mapping.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/scatterlist.h> -#include <linux/io.h> - -#include <asm/dma.h> -#include <asm/ecard.h> - -#define DRV_NAME "icside" - -#define ICS_IDENT_OFFSET 0x2280 - -#define ICS_ARCIN_V5_INTRSTAT 0x0000 -#define ICS_ARCIN_V5_INTROFFSET 0x0004 -#define ICS_ARCIN_V5_IDEOFFSET 0x2800 -#define ICS_ARCIN_V5_IDEALTOFFSET 0x2b80 -#define ICS_ARCIN_V5_IDESTEPPING 6 - -#define ICS_ARCIN_V6_IDEOFFSET_1 0x2000 -#define ICS_ARCIN_V6_INTROFFSET_1 0x2200 -#define ICS_ARCIN_V6_INTRSTAT_1 0x2290 -#define ICS_ARCIN_V6_IDEALTOFFSET_1 0x2380 -#define ICS_ARCIN_V6_IDEOFFSET_2 0x3000 -#define ICS_ARCIN_V6_INTROFFSET_2 0x3200 -#define ICS_ARCIN_V6_INTRSTAT_2 0x3290 -#define ICS_ARCIN_V6_IDEALTOFFSET_2 0x3380 -#define ICS_ARCIN_V6_IDESTEPPING 6 - -struct cardinfo { - unsigned int dataoffset; - unsigned int ctrloffset; - unsigned int stepping; -}; - -static struct cardinfo icside_cardinfo_v5 = { - .dataoffset = ICS_ARCIN_V5_IDEOFFSET, - .ctrloffset = ICS_ARCIN_V5_IDEALTOFFSET, - .stepping = ICS_ARCIN_V5_IDESTEPPING, -}; - -static struct cardinfo icside_cardinfo_v6_1 = { - .dataoffset = ICS_ARCIN_V6_IDEOFFSET_1, - .ctrloffset = ICS_ARCIN_V6_IDEALTOFFSET_1, - .stepping = ICS_ARCIN_V6_IDESTEPPING, -}; - -static struct cardinfo icside_cardinfo_v6_2 = { - .dataoffset = ICS_ARCIN_V6_IDEOFFSET_2, - .ctrloffset = ICS_ARCIN_V6_IDEALTOFFSET_2, - .stepping = ICS_ARCIN_V6_IDESTEPPING, -}; - -struct icside_state { - unsigned int channel; - unsigned int enabled; - void __iomem *irq_port; - void __iomem *ioc_base; - unsigned int sel; - unsigned int type; - struct ide_host *host; -}; - -#define ICS_TYPE_A3IN 0 -#define ICS_TYPE_A3USER 1 -#define ICS_TYPE_V6 3 -#define ICS_TYPE_V5 15 -#define ICS_TYPE_NOTYPE ((unsigned int)-1) - -/* ---------------- Version 5 PCB Support Functions --------------------- */ -/* Prototype: icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr) - * Purpose : enable interrupts from card - */ -static void icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr) -{ - struct icside_state *state = ec->irq_data; - - writeb(0, state->irq_port + ICS_ARCIN_V5_INTROFFSET); -} - -/* Prototype: icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr) - * Purpose : disable interrupts from card - */ -static void icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr) -{ - struct icside_state *state = ec->irq_data; - - readb(state->irq_port + ICS_ARCIN_V5_INTROFFSET); -} - -static const expansioncard_ops_t icside_ops_arcin_v5 = { - .irqenable = icside_irqenable_arcin_v5, - .irqdisable = icside_irqdisable_arcin_v5, -}; - - -/* ---------------- Version 6 PCB Support Functions --------------------- */ -/* Prototype: icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr) - * Purpose : enable interrupts from card - */ -static void icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr) -{ - struct icside_state *state = ec->irq_data; - void __iomem *base = state->irq_port; - - state->enabled = 1; - - switch (state->channel) { - case 0: - writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1); - readb(base + ICS_ARCIN_V6_INTROFFSET_2); - break; - case 1: - writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2); - readb(base + ICS_ARCIN_V6_INTROFFSET_1); - break; - } -} - -/* Prototype: icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr) - * Purpose : disable interrupts from card - */ -static void icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr) -{ - struct icside_state *state = ec->irq_data; - - state->enabled = 0; - - readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); - readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); -} - -/* Prototype: icside_irqprobe(struct expansion_card *ec) - * Purpose : detect an active interrupt from card - */ -static int icside_irqpending_arcin_v6(struct expansion_card *ec) -{ - struct icside_state *state = ec->irq_data; - - return readb(state->irq_port + ICS_ARCIN_V6_INTRSTAT_1) & 1 || - readb(state->irq_port + ICS_ARCIN_V6_INTRSTAT_2) & 1; -} - -static const expansioncard_ops_t icside_ops_arcin_v6 = { - .irqenable = icside_irqenable_arcin_v6, - .irqdisable = icside_irqdisable_arcin_v6, - .irqpending = icside_irqpending_arcin_v6, -}; - -/* - * Handle routing of interrupts. This is called before - * we write the command to the drive. - */ -static void icside_maskproc(ide_drive_t *drive, int mask) -{ - ide_hwif_t *hwif = HWIF(drive); - struct expansion_card *ec = ECARD_DEV(hwif->dev); - struct icside_state *state = ecard_get_drvdata(ec); - unsigned long flags; - - local_irq_save(flags); - - state->channel = hwif->channel; - - if (state->enabled && !mask) { - switch (hwif->channel) { - case 0: - writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); - readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); - break; - case 1: - writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); - readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); - break; - } - } else { - readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); - readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); - } - - local_irq_restore(flags); -} - -static const struct ide_port_ops icside_v6_no_dma_port_ops = { - .maskproc = icside_maskproc, -}; - -#ifdef CONFIG_BLK_DEV_IDEDMA_ICS -/* - * SG-DMA support. - * - * Similar to the BM-DMA, but we use the RiscPCs IOMD DMA controllers. - * There is only one DMA controller per card, which means that only - * one drive can be accessed at one time. NOTE! We do not enforce that - * here, but we rely on the main IDE driver spotting that both - * interfaces use the same IRQ, which should guarantee this. - */ - -/* - * Configure the IOMD to give the appropriate timings for the transfer - * mode being requested. We take the advice of the ATA standards, and - * calculate the cycle time based on the transfer mode, and the EIDE - * MW DMA specs that the drive provides in the IDENTIFY command. - * - * We have the following IOMD DMA modes to choose from: - * - * Type Active Recovery Cycle - * A 250 (250) 312 (550) 562 (800) - * B 187 250 437 - * C 125 (125) 125 (375) 250 (500) - * D 62 125 187 - * - * (figures in brackets are actual measured timings) - * - * However, we also need to take care of the read/write active and - * recovery timings: - * - * Read Write - * Mode Active -- Recovery -- Cycle IOMD type - * MW0 215 50 215 480 A - * MW1 80 50 50 150 C - * MW2 70 25 25 120 C - */ -static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode) -{ - int cycle_time, use_dma_info = 0; - - switch (xfer_mode) { - case XFER_MW_DMA_2: - cycle_time = 250; - use_dma_info = 1; - break; - - case XFER_MW_DMA_1: - cycle_time = 250; - use_dma_info = 1; - break; - - case XFER_MW_DMA_0: - cycle_time = 480; - break; - - case XFER_SW_DMA_2: - case XFER_SW_DMA_1: - case XFER_SW_DMA_0: - cycle_time = 480; - break; - } - - /* - * If we're going to be doing MW_DMA_1 or MW_DMA_2, we should - * take care to note the values in the ID... - */ - if (use_dma_info && drive->id[ATA_ID_EIDE_DMA_TIME] > cycle_time) - cycle_time = drive->id[ATA_ID_EIDE_DMA_TIME]; - - drive->drive_data = cycle_time; - - printk("%s: %s selected (peak %dMB/s)\n", drive->name, - ide_xfer_verbose(xfer_mode), 2000 / drive->drive_data); -} - -static const struct ide_port_ops icside_v6_port_ops = { - .set_dma_mode = icside_set_dma_mode, - .maskproc = icside_maskproc, -}; - -static void icside_dma_host_set(ide_drive_t *drive, int on) -{ -} - -static int icside_dma_end(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct expansion_card *ec = ECARD_DEV(hwif->dev); - - drive->waiting_for_dma = 0; - - disable_dma(ec->dma); - - /* Teardown mappings after DMA has completed. */ - ide_destroy_dmatable(drive); - - return get_dma_residue(ec->dma) != 0; -} - -static void icside_dma_start(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct expansion_card *ec = ECARD_DEV(hwif->dev); - - /* We can not enable DMA on both channels simultaneously. */ - BUG_ON(dma_channel_active(ec->dma)); - enable_dma(ec->dma); -} - -static int icside_dma_setup(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct expansion_card *ec = ECARD_DEV(hwif->dev); - struct icside_state *state = ecard_get_drvdata(ec); - struct request *rq = hwif->hwgroup->rq; - unsigned int dma_mode; - - if (rq_data_dir(rq)) - dma_mode = DMA_MODE_WRITE; - else - dma_mode = DMA_MODE_READ; - - /* - * We can not enable DMA on both channels. - */ - BUG_ON(dma_channel_active(ec->dma)); - - hwif->sg_nents = ide_build_sglist(drive, rq); - - /* - * Ensure that we have the right interrupt routed. - */ - icside_maskproc(drive, 0); - - /* - * Route the DMA signals to the correct interface. - */ - writeb(state->sel | hwif->channel, state->ioc_base); - - /* - * Select the correct timing for this drive. - */ - set_dma_speed(ec->dma, drive->drive_data); - - /* - * Tell the DMA engine about the SG table and - * data direction. - */ - set_dma_sg(ec->dma, hwif->sg_table, hwif->sg_nents); - set_dma_mode(ec->dma, dma_mode); - - drive->waiting_for_dma = 1; - - return 0; -} - -static void icside_dma_exec_cmd(ide_drive_t *drive, u8 cmd) -{ - /* issue cmd to drive */ - ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD, NULL); -} - -static int icside_dma_test_irq(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct expansion_card *ec = ECARD_DEV(hwif->dev); - struct icside_state *state = ecard_get_drvdata(ec); - - return readb(state->irq_port + - (hwif->channel ? - ICS_ARCIN_V6_INTRSTAT_2 : - ICS_ARCIN_V6_INTRSTAT_1)) & 1; -} - -static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d) -{ - hwif->dmatable_cpu = NULL; - hwif->dmatable_dma = 0; - - return 0; -} - -static const struct ide_dma_ops icside_v6_dma_ops = { - .dma_host_set = icside_dma_host_set, - .dma_setup = icside_dma_setup, - .dma_exec_cmd = icside_dma_exec_cmd, - .dma_start = icside_dma_start, - .dma_end = icside_dma_end, - .dma_test_irq = icside_dma_test_irq, - .dma_timeout = ide_dma_timeout, - .dma_lost_irq = ide_dma_lost_irq, -}; -#else -#define icside_v6_dma_ops NULL -#endif - -static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d) -{ - return -EOPNOTSUPP; -} - -static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, - struct cardinfo *info, struct expansion_card *ec) -{ - unsigned long port = (unsigned long)base + info->dataoffset; - - hw->io_ports.data_addr = port; - hw->io_ports.error_addr = port + (1 << info->stepping); - hw->io_ports.nsect_addr = port + (2 << info->stepping); - hw->io_ports.lbal_addr = port + (3 << info->stepping); - hw->io_ports.lbam_addr = port + (4 << info->stepping); - hw->io_ports.lbah_addr = port + (5 << info->stepping); - hw->io_ports.device_addr = port + (6 << info->stepping); - hw->io_ports.status_addr = port + (7 << info->stepping); - hw->io_ports.ctl_addr = (unsigned long)base + info->ctrloffset; - - hw->irq = ec->irq; - hw->dev = &ec->dev; - hw->chipset = ide_acorn; -} - -static int __init -icside_register_v5(struct icside_state *state, struct expansion_card *ec) -{ - void __iomem *base; - struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; - int ret; - - base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); - if (!base) - return -ENOMEM; - - state->irq_port = base; - - ec->irqaddr = base + ICS_ARCIN_V5_INTRSTAT; - ec->irqmask = 1; - - ecard_setirq(ec, &icside_ops_arcin_v5, state); - - /* - * Be on the safe side - disable interrupts - */ - icside_irqdisable_arcin_v5(ec, 0); - - icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec); - - host = ide_host_alloc(NULL, hws); - if (host == NULL) - return -ENODEV; - - state->host = host; - - ecard_set_drvdata(ec, state); - - ret = ide_host_register(host, NULL, hws); - if (ret) - goto err_free; - - return 0; -err_free: - ide_host_free(host); - ecard_set_drvdata(ec, NULL); - return ret; -} - -static const struct ide_port_info icside_v6_port_info __initdata = { - .init_dma = icside_dma_off_init, - .port_ops = &icside_v6_no_dma_port_ops, - .dma_ops = &icside_v6_dma_ops, - .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO, - .mwdma_mask = ATA_MWDMA2, - .swdma_mask = ATA_SWDMA2, -}; - -static int __init -icside_register_v6(struct icside_state *state, struct expansion_card *ec) -{ - void __iomem *ioc_base, *easi_base; - struct ide_host *host; - unsigned int sel = 0; - int ret; - hw_regs_t hw[2], *hws[] = { &hw[0], NULL, NULL, NULL }; - struct ide_port_info d = icside_v6_port_info; - - ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); - if (!ioc_base) { - ret = -ENOMEM; - goto out; - } - - easi_base = ioc_base; - - if (ecard_resource_flags(ec, ECARD_RES_EASI)) { - easi_base = ecardm_iomap(ec, ECARD_RES_EASI, 0, 0); - if (!easi_base) { - ret = -ENOMEM; - goto out; - } - - /* - * Enable access to the EASI region. - */ - sel = 1 << 5; - } - - writeb(sel, ioc_base); - - ecard_setirq(ec, &icside_ops_arcin_v6, state); - - state->irq_port = easi_base; - state->ioc_base = ioc_base; - state->sel = sel; - - /* - * Be on the safe side - disable interrupts - */ - icside_irqdisable_arcin_v6(ec, 0); - - icside_setup_ports(&hw[0], easi_base, &icside_cardinfo_v6_1, ec); - icside_setup_ports(&hw[1], easi_base, &icside_cardinfo_v6_2, ec); - - host = ide_host_alloc(&d, hws); - if (host == NULL) - return -ENODEV; - - state->host = host; - - ecard_set_drvdata(ec, state); - - if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) { - d.init_dma = icside_dma_init; - d.port_ops = &icside_v6_port_ops; - d.dma_ops = NULL; - } - - ret = ide_host_register(host, NULL, hws); - if (ret) - goto err_free; - - return 0; -err_free: - ide_host_free(host); - if (d.dma_ops) - free_dma(ec->dma); - ecard_set_drvdata(ec, NULL); -out: - return ret; -} - -static int __devinit -icside_probe(struct expansion_card *ec, const struct ecard_id *id) -{ - struct icside_state *state; - void __iomem *idmem; - int ret; - - ret = ecard_request_resources(ec); - if (ret) - goto out; - - state = kzalloc(sizeof(struct icside_state), GFP_KERNEL); - if (!state) { - ret = -ENOMEM; - goto release; - } - - state->type = ICS_TYPE_NOTYPE; - - idmem = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); - if (idmem) { - unsigned int type; - - type = readb(idmem + ICS_IDENT_OFFSET) & 1; - type |= (readb(idmem + ICS_IDENT_OFFSET + 4) & 1) << 1; - type |= (readb(idmem + ICS_IDENT_OFFSET + 8) & 1) << 2; - type |= (readb(idmem + ICS_IDENT_OFFSET + 12) & 1) << 3; - ecardm_iounmap(ec, idmem); - - state->type = type; - } - - switch (state->type) { - case ICS_TYPE_A3IN: - dev_warn(&ec->dev, "A3IN unsupported\n"); - ret = -ENODEV; - break; - - case ICS_TYPE_A3USER: - dev_warn(&ec->dev, "A3USER unsupported\n"); - ret = -ENODEV; - break; - - case ICS_TYPE_V5: - ret = icside_register_v5(state, ec); - break; - - case ICS_TYPE_V6: - ret = icside_register_v6(state, ec); - break; - - default: - dev_warn(&ec->dev, "unknown interface type\n"); - ret = -ENODEV; - break; - } - - if (ret == 0) - goto out; - - kfree(state); - release: - ecard_release_resources(ec); - out: - return ret; -} - -static void __devexit icside_remove(struct expansion_card *ec) -{ - struct icside_state *state = ecard_get_drvdata(ec); - - switch (state->type) { - case ICS_TYPE_V5: - /* FIXME: tell IDE to stop using the interface */ - - /* Disable interrupts */ - icside_irqdisable_arcin_v5(ec, 0); - break; - - case ICS_TYPE_V6: - /* FIXME: tell IDE to stop using the interface */ - if (ec->dma != NO_DMA) - free_dma(ec->dma); - - /* Disable interrupts */ - icside_irqdisable_arcin_v6(ec, 0); - - /* Reset the ROM pointer/EASI selection */ - writeb(0, state->ioc_base); - break; - } - - ecard_set_drvdata(ec, NULL); - - kfree(state); - ecard_release_resources(ec); -} - -static void icside_shutdown(struct expansion_card *ec) -{ - struct icside_state *state = ecard_get_drvdata(ec); - unsigned long flags; - - /* - * Disable interrupts from this card. We need to do - * this before disabling EASI since we may be accessing - * this register via that region. - */ - local_irq_save(flags); - ec->ops->irqdisable(ec, 0); - local_irq_restore(flags); - - /* - * Reset the ROM pointer so that we can read the ROM - * after a soft reboot. This also disables access to - * the IDE taskfile via the EASI region. - */ - if (state->ioc_base) - writeb(0, state->ioc_base); -} - -static const struct ecard_id icside_ids[] = { - { MANU_ICS, PROD_ICS_IDE }, - { MANU_ICS2, PROD_ICS2_IDE }, - { 0xffff, 0xffff } -}; - -static struct ecard_driver icside_driver = { - .probe = icside_probe, - .remove = __devexit_p(icside_remove), - .shutdown = icside_shutdown, - .id_table = icside_ids, - .drv = { - .name = "icside", - }, -}; - -static int __init icside_init(void) -{ - return ecard_register_driver(&icside_driver); -} - -static void __exit icside_exit(void); -{ - ecard_unregister_driver(&icside_driver); -} - -MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("ICS IDE driver"); - -module_init(icside_init); -module_exit(icside_exit); diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c deleted file mode 100644 index f728f2927b5a..000000000000 --- a/drivers/ide/arm/ide_arm.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * ARM default IDE host driver - * - * Copyright (C) 2004 Bartlomiej Zolnierkiewicz - * Based on code by: Russell King, Ian Molton and Alexander Schulz. - * - * May be copied or modified under the terms of the GNU General Public License. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/ide.h> - -#include <asm/irq.h> - -#define DRV_NAME "ide_arm" - -#ifdef CONFIG_ARCH_CLPS7500 -# include <mach/hardware.h> -# -# define IDE_ARM_IO (ISASLOT_IO + 0x1f0) -# define IDE_ARM_IRQ IRQ_ISA_14 -#else -# define IDE_ARM_IO 0x1f0 -# define IDE_ARM_IRQ IRQ_HARDDISK -#endif - -static int __init ide_arm_init(void) -{ - unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; - - if (!request_region(base, 8, DRV_NAME)) { - printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", - DRV_NAME, base, base + 7); - return -EBUSY; - } - - if (!request_region(ctl, 1, DRV_NAME)) { - printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", - DRV_NAME, ctl); - release_region(base, 8); - return -EBUSY; - } - - memset(&hw, 0, sizeof(hw)); - ide_std_init_ports(&hw, base, ctl); - hw.irq = IDE_ARM_IRQ; - hw.chipset = ide_generic; - - return ide_host_add(NULL, hws, NULL); -} - -module_init(ide_arm_init); - -MODULE_LICENSE("GPL"); diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c deleted file mode 100644 index 122ed3c072fd..000000000000 --- a/drivers/ide/arm/palm_bk3710.c +++ /dev/null @@ -1,424 +0,0 @@ -/* - * Palmchip bk3710 IDE controller - * - * Copyright (C) 2006 Texas Instruments. - * Copyright (C) 2007 MontaVista Software, Inc., <source@mvista.com> - * - * ---------------------------------------------------------------------------- - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * ---------------------------------------------------------------------------- - * - */ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/ide.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/clk.h> -#include <linux/platform_device.h> - -/* Offset of the primary interface registers */ -#define IDE_PALM_ATA_PRI_REG_OFFSET 0x1F0 - -/* Primary Control Offset */ -#define IDE_PALM_ATA_PRI_CTL_OFFSET 0x3F6 - -/* - * PalmChip 3710 IDE Controller UDMA timing structure Definition - */ -struct palm_bk3710_udmatiming { - unsigned int rptime; /* Ready to pause time */ - unsigned int cycletime; /* Cycle Time */ -}; - -#define BK3710_BMICP 0x00 -#define BK3710_BMISP 0x02 -#define BK3710_BMIDTP 0x04 -#define BK3710_BMICS 0x08 -#define BK3710_BMISS 0x0A -#define BK3710_BMIDTS 0x0C -#define BK3710_IDETIMP 0x40 -#define BK3710_IDETIMS 0x42 -#define BK3710_SIDETIM 0x44 -#define BK3710_SLEWCTL 0x45 -#define BK3710_IDESTATUS 0x47 -#define BK3710_UDMACTL 0x48 -#define BK3710_UDMATIM 0x4A -#define BK3710_MISCCTL 0x50 -#define BK3710_REGSTB 0x54 -#define BK3710_REGRCVR 0x58 -#define BK3710_DATSTB 0x5C -#define BK3710_DATRCVR 0x60 -#define BK3710_DMASTB 0x64 -#define BK3710_DMARCVR 0x68 -#define BK3710_UDMASTB 0x6C -#define BK3710_UDMATRP 0x70 -#define BK3710_UDMAENV 0x74 -#define BK3710_IORDYTMP 0x78 -#define BK3710_IORDYTMS 0x7C - -static unsigned ideclk_period; /* in nanoseconds */ - -static const struct palm_bk3710_udmatiming palm_bk3710_udmatimings[6] = { - {160, 240}, /* UDMA Mode 0 */ - {125, 160}, /* UDMA Mode 1 */ - {100, 120}, /* UDMA Mode 2 */ - {100, 90}, /* UDMA Mode 3 */ - {100, 60}, /* UDMA Mode 4 */ - {85, 40}, /* UDMA Mode 5 */ -}; - -static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev, - unsigned int mode) -{ - u8 tenv, trp, t0; - u32 val32; - u16 val16; - - /* DMA Data Setup */ - t0 = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].cycletime, - ideclk_period) - 1; - tenv = DIV_ROUND_UP(20, ideclk_period) - 1; - trp = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].rptime, - ideclk_period) - 1; - - /* udmatim Register */ - val16 = readw(base + BK3710_UDMATIM) & (dev ? 0xFF0F : 0xFFF0); - val16 |= (mode << (dev ? 4 : 0)); - writew(val16, base + BK3710_UDMATIM); - - /* udmastb Ultra DMA Access Strobe Width */ - val32 = readl(base + BK3710_UDMASTB) & (0xFF << (dev ? 0 : 8)); - val32 |= (t0 << (dev ? 8 : 0)); - writel(val32, base + BK3710_UDMASTB); - - /* udmatrp Ultra DMA Ready to Pause Time */ - val32 = readl(base + BK3710_UDMATRP) & (0xFF << (dev ? 0 : 8)); - val32 |= (trp << (dev ? 8 : 0)); - writel(val32, base + BK3710_UDMATRP); - - /* udmaenv Ultra DMA envelop Time */ - val32 = readl(base + BK3710_UDMAENV) & (0xFF << (dev ? 0 : 8)); - val32 |= (tenv << (dev ? 8 : 0)); - writel(val32, base + BK3710_UDMAENV); - - /* Enable UDMA for Device */ - val16 = readw(base + BK3710_UDMACTL) | (1 << dev); - writew(val16, base + BK3710_UDMACTL); -} - -static void palm_bk3710_setdmamode(void __iomem *base, unsigned int dev, - unsigned short min_cycle, - unsigned int mode) -{ - u8 td, tkw, t0; - u32 val32; - u16 val16; - struct ide_timing *t; - int cycletime; - - t = ide_timing_find_mode(mode); - cycletime = max_t(int, t->cycle, min_cycle); - - /* DMA Data Setup */ - t0 = DIV_ROUND_UP(cycletime, ideclk_period); - td = DIV_ROUND_UP(t->active, ideclk_period); - tkw = t0 - td - 1; - td -= 1; - - val32 = readl(base + BK3710_DMASTB) & (0xFF << (dev ? 0 : 8)); - val32 |= (td << (dev ? 8 : 0)); - writel(val32, base + BK3710_DMASTB); - - val32 = readl(base + BK3710_DMARCVR) & (0xFF << (dev ? 0 : 8)); - val32 |= (tkw << (dev ? 8 : 0)); - writel(val32, base + BK3710_DMARCVR); - - /* Disable UDMA for Device */ - val16 = readw(base + BK3710_UDMACTL) & ~(1 << dev); - writew(val16, base + BK3710_UDMACTL); -} - -static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate, - unsigned int dev, unsigned int cycletime, - unsigned int mode) -{ - u8 t2, t2i, t0; - u32 val32; - struct ide_timing *t; - - /* PIO Data Setup */ - t0 = DIV_ROUND_UP(cycletime, ideclk_period); - t2 = DIV_ROUND_UP(ide_timing_find_mode(XFER_PIO_0 + mode)->active, - ideclk_period); - - t2i = t0 - t2 - 1; - t2 -= 1; - - val32 = readl(base + BK3710_DATSTB) & (0xFF << (dev ? 0 : 8)); - val32 |= (t2 << (dev ? 8 : 0)); - writel(val32, base + BK3710_DATSTB); - - val32 = readl(base + BK3710_DATRCVR) & (0xFF << (dev ? 0 : 8)); - val32 |= (t2i << (dev ? 8 : 0)); - writel(val32, base + BK3710_DATRCVR); - - if (mate) { - u8 mode2 = ide_get_best_pio_mode(mate, 255, 4); - - if (mode2 < mode) - mode = mode2; - } - - /* TASKFILE Setup */ - t = ide_timing_find_mode(XFER_PIO_0 + mode); - t0 = DIV_ROUND_UP(t->cyc8b, ideclk_period); - t2 = DIV_ROUND_UP(t->act8b, ideclk_period); - - t2i = t0 - t2 - 1; - t2 -= 1; - - val32 = readl(base + BK3710_REGSTB) & (0xFF << (dev ? 0 : 8)); - val32 |= (t2 << (dev ? 8 : 0)); - writel(val32, base + BK3710_REGSTB); - - val32 = readl(base + BK3710_REGRCVR) & (0xFF << (dev ? 0 : 8)); - val32 |= (t2i << (dev ? 8 : 0)); - writel(val32, base + BK3710_REGRCVR); -} - -static void palm_bk3710_set_dma_mode(ide_drive_t *drive, u8 xferspeed) -{ - int is_slave = drive->dn & 1; - void __iomem *base = (void *)drive->hwif->dma_base; - - if (xferspeed >= XFER_UDMA_0) { - palm_bk3710_setudmamode(base, is_slave, - xferspeed - XFER_UDMA_0); - } else { - palm_bk3710_setdmamode(base, is_slave, - drive->id[ATA_ID_EIDE_DMA_MIN], - xferspeed); - } -} - -static void palm_bk3710_set_pio_mode(ide_drive_t *drive, u8 pio) -{ - unsigned int cycle_time; - int is_slave = drive->dn & 1; - ide_drive_t *mate; - void __iomem *base = (void *)drive->hwif->dma_base; - - /* - * Obtain the drive PIO data for tuning the Palm Chip registers - */ - cycle_time = ide_pio_cycle_time(drive, pio); - mate = ide_get_pair_dev(drive); - palm_bk3710_setpiomode(base, mate, is_slave, cycle_time, pio); -} - -static void __devinit palm_bk3710_chipinit(void __iomem *base) -{ - /* - * enable the reset_en of ATA controller so that when ata signals - * are brought out, by writing into device config. at that - * time por_n signal should not be 'Z' and have a stable value. - */ - writel(0x0300, base + BK3710_MISCCTL); - - /* wait for some time and deassert the reset of ATA Device. */ - mdelay(100); - - /* Deassert the Reset */ - writel(0x0200, base + BK3710_MISCCTL); - - /* - * Program the IDETIMP Register Value based on the following assumptions - * - * (ATA_IDETIMP_IDEEN , ENABLE ) | - * (ATA_IDETIMP_SLVTIMEN , DISABLE) | - * (ATA_IDETIMP_RDYSMPL , 70NS) | - * (ATA_IDETIMP_RDYRCVRY , 50NS) | - * (ATA_IDETIMP_DMAFTIM1 , PIOCOMP) | - * (ATA_IDETIMP_PREPOST1 , DISABLE) | - * (ATA_IDETIMP_RDYSEN1 , DISABLE) | - * (ATA_IDETIMP_PIOFTIM1 , DISABLE) | - * (ATA_IDETIMP_DMAFTIM0 , PIOCOMP) | - * (ATA_IDETIMP_PREPOST0 , DISABLE) | - * (ATA_IDETIMP_RDYSEN0 , DISABLE) | - * (ATA_IDETIMP_PIOFTIM0 , DISABLE) - */ - writew(0xB388, base + BK3710_IDETIMP); - - /* - * Configure SIDETIM Register - * (ATA_SIDETIM_RDYSMPS1 ,120NS ) | - * (ATA_SIDETIM_RDYRCYS1 ,120NS ) - */ - writeb(0, base + BK3710_SIDETIM); - - /* - * UDMACTL Ultra-ATA DMA Control - * (ATA_UDMACTL_UDMAP1 , 0 ) | - * (ATA_UDMACTL_UDMAP0 , 0 ) - * - */ - writew(0, base + BK3710_UDMACTL); - - /* - * MISCCTL Miscellaneous Conrol Register - * (ATA_MISCCTL_RSTMODEP , 1) | - * (ATA_MISCCTL_RESETP , 0) | - * (ATA_MISCCTL_TIMORIDE , 1) - */ - writel(0x201, base + BK3710_MISCCTL); - - /* - * IORDYTMP IORDY Timer for Primary Register - * (ATA_IORDYTMP_IORDYTMP , 0xffff ) - */ - writel(0xFFFF, base + BK3710_IORDYTMP); - - /* - * Configure BMISP Register - * (ATA_BMISP_DMAEN1 , DISABLE ) | - * (ATA_BMISP_DMAEN0 , DISABLE ) | - * (ATA_BMISP_IORDYINT , CLEAR) | - * (ATA_BMISP_INTRSTAT , CLEAR) | - * (ATA_BMISP_DMAERROR , CLEAR) - */ - writew(0, base + BK3710_BMISP); - - palm_bk3710_setpiomode(base, NULL, 0, 600, 0); - palm_bk3710_setpiomode(base, NULL, 1, 600, 0); -} - -static u8 palm_bk3710_cable_detect(ide_hwif_t *hwif) -{ - return ATA_CBL_PATA80; -} - -static int __devinit palm_bk3710_init_dma(ide_hwif_t *hwif, - const struct ide_port_info *d) -{ - printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name); - - if (ide_allocate_dma_engine(hwif)) - return -1; - - hwif->dma_base = hwif->io_ports.data_addr - IDE_PALM_ATA_PRI_REG_OFFSET; - - hwif->dma_ops = &sff_dma_ops; - - return 0; -} - -static const struct ide_port_ops palm_bk3710_ports_ops = { - .set_pio_mode = palm_bk3710_set_pio_mode, - .set_dma_mode = palm_bk3710_set_dma_mode, - .cable_detect = palm_bk3710_cable_detect, -}; - -static struct ide_port_info __devinitdata palm_bk3710_port_info = { - .init_dma = palm_bk3710_init_dma, - .port_ops = &palm_bk3710_ports_ops, - .host_flags = IDE_HFLAG_MMIO, - .pio_mask = ATA_PIO4, - .mwdma_mask = ATA_MWDMA2, -}; - -static int __init palm_bk3710_probe(struct platform_device *pdev) -{ - struct clk *clk; - struct resource *mem, *irq; - unsigned long base, rate; - int i, rc; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; - - clk = clk_get(&pdev->dev, "IDECLK"); - if (IS_ERR(clk)) - return -ENODEV; - - clk_enable(clk); - rate = clk_get_rate(clk); - ideclk_period = 1000000000UL / rate; - - /* Register the IDE interface with Linux ATA Interface */ - memset(&hw, 0, sizeof(hw)); - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (mem == NULL) { - printk(KERN_ERR "failed to get memory region resource\n"); - return -ENODEV; - } - - irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (irq == NULL) { - printk(KERN_ERR "failed to get IRQ resource\n"); - return -ENODEV; - } - - if (request_mem_region(mem->start, mem->end - mem->start + 1, - "palm_bk3710") == NULL) { - printk(KERN_ERR "failed to request memory region\n"); - return -EBUSY; - } - - base = IO_ADDRESS(mem->start); - - /* Configure the Palm Chip controller */ - palm_bk3710_chipinit((void __iomem *)base); - - for (i = 0; i < IDE_NR_PORTS - 2; i++) - hw.io_ports_array[i] = base + IDE_PALM_ATA_PRI_REG_OFFSET + i; - hw.io_ports.ctl_addr = base + IDE_PALM_ATA_PRI_CTL_OFFSET; - hw.irq = irq->start; - hw.dev = &pdev->dev; - hw.chipset = ide_palm3710; - - palm_bk3710_port_info.udma_mask = rate < 100000000 ? ATA_UDMA4 : - ATA_UDMA5; - - rc = ide_host_add(&palm_bk3710_port_info, hws, NULL); - if (rc) - goto out; - - return 0; -out: - printk(KERN_WARNING "Palm Chip BK3710 IDE Register Fail\n"); - return rc; -} - -/* work with hotplug and coldplug */ -MODULE_ALIAS("platform:palm_bk3710"); - -static struct platform_driver platform_bk_driver = { - .driver = { - .name = "palm_bk3710", - .owner = THIS_MODULE, - }, -}; - -static int __init palm_bk3710_init(void) -{ - return platform_driver_probe(&platform_bk_driver, palm_bk3710_probe); -} - -module_init(palm_bk3710_init); -MODULE_LICENSE("GPL"); diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c deleted file mode 100644 index 78d27d9ae430..000000000000 --- a/drivers/ide/arm/rapide.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright (c) 1996-2002 Russell King. - */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/blkdev.h> -#include <linux/errno.h> -#include <linux/ide.h> -#include <linux/init.h> - -#include <asm/ecard.h> - -static struct const ide_port_info rapide_port_info = { - .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, -}; - -static void rapide_setup_ports(hw_regs_t *hw, void __iomem *base, - void __iomem *ctrl, unsigned int sz, int irq) -{ - unsigned long port = (unsigned long)base; - int i; - - for (i = 0; i <= 7; i++) { - hw->io_ports_array[i] = port; - port += sz; - } - hw->io_ports.ctl_addr = (unsigned long)ctrl; - hw->irq = irq; -} - -static int __devinit -rapide_probe(struct expansion_card *ec, const struct ecard_id *id) -{ - void __iomem *base; - struct ide_host *host; - int ret; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; - - ret = ecard_request_resources(ec); - if (ret) - goto out; - - base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); - if (!base) { - ret = -ENOMEM; - goto release; - } - - memset(&hw, 0, sizeof(hw)); - rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq); - hw.chipset = ide_generic; - hw.dev = &ec->dev; - - ret = ide_host_add(&rapide_port_info, hws, &host); - if (ret) - goto release; - - ecard_set_drvdata(ec, host); - goto out; - - release: - ecard_release_resources(ec); - out: - return ret; -} - -static void __devexit rapide_remove(struct expansion_card *ec) -{ - struct ide_host *host = ecard_get_drvdata(ec); - - ecard_set_drvdata(ec, NULL); - - ide_host_remove(host); - - ecard_release_resources(ec); -} - -static struct ecard_id rapide_ids[] = { - { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 }, - { 0xffff, 0xffff } -}; - -static struct ecard_driver rapide_driver = { - .probe = rapide_probe, - .remove = __devexit_p(rapide_remove), - .id_table = rapide_ids, - .drv = { - .name = "rapide", - }, -}; - -static int __init rapide_init(void) -{ - return ecard_register_driver(&rapide_driver); -} - -static void __exit rapide_exit(void) -{ - ecard_unregister_driver(&rapide_driver); -} - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Yellowstone RAPIDE driver"); - -module_init(rapide_init); -module_exit(rapide_exit); |