diff options
Diffstat (limited to 'recipes/linux/linux-efika-2.6.20/0010-libata-Add-support-for-the-MPC52xx-ATA-controller.txt')
-rw-r--r-- | recipes/linux/linux-efika-2.6.20/0010-libata-Add-support-for-the-MPC52xx-ATA-controller.txt | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/recipes/linux/linux-efika-2.6.20/0010-libata-Add-support-for-the-MPC52xx-ATA-controller.txt b/recipes/linux/linux-efika-2.6.20/0010-libata-Add-support-for-the-MPC52xx-ATA-controller.txt new file mode 100644 index 0000000000..4a69da5c2c --- /dev/null +++ b/recipes/linux/linux-efika-2.6.20/0010-libata-Add-support-for-the-MPC52xx-ATA-controller.txt @@ -0,0 +1,620 @@ +From 83ebd6314e55f9baf2c4e795397346b338274ef5 Mon Sep 17 00:00:00 2001 +From: Sylvain Munaut <tnt@246tNt.com> +Date: Fri, 8 Dec 2006 00:08:14 +0100 +Subject: [PATCH] [PATCH] libata: Add support for the MPC52xx ATA controller + +This patch adds initial libata support for the Freescale +MPC5200 integrated IDE controller. + +Signed-off-by: Sylvain Munaut <tnt@246tNt.com> +Signed-off-by: Jeff Garzik <jeff@garzik.org> +--- + drivers/ata/Kconfig | 9 + + drivers/ata/Makefile | 1 + + drivers/ata/pata_mpc52xx.c | 563 ++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 573 insertions(+), 0 deletions(-) + +diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig +index b34e0a9..fa1d327 100644 +--- a/drivers/ata/Kconfig ++++ b/drivers/ata/Kconfig +@@ -337,6 +337,15 @@ config PATA_MARVELL + + If unsure, say N. + ++config PATA_MPC52xx ++ tristate "Freescale MPC52xx SoC internal IDE" ++ depends on PPC_MPC52xx ++ help ++ This option enables support for integrated IDE controller ++ of the Freescale MPC52xx SoC. ++ ++ If unsure, say N. ++ + config PATA_MPIIX + tristate "Intel PATA MPIIX support" + depends on PCI +diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile +index bc3d81a..3081e1f 100644 +--- a/drivers/ata/Makefile ++++ b/drivers/ata/Makefile +@@ -38,6 +38,7 @@ obj-$(CONFIG_PATA_NETCELL) += pata_netcell.o + obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o + obj-$(CONFIG_PATA_OPTI) += pata_opti.o + obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o ++obj-$(CONFIG_PATA_MPC52xx) += pata_mpc52xx.o + obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o + obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o + obj-$(CONFIG_PATA_OLDPIIX) += pata_oldpiix.o +diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c +new file mode 100644 +index 0000000..8b7019a +--- /dev/null ++++ b/drivers/ata/pata_mpc52xx.c +@@ -0,0 +1,563 @@ ++/* ++ * drivers/ata/pata_mpc52xx.c ++ * ++ * libata driver for the Freescale MPC52xx on-chip IDE interface ++ * ++ * Copyright (C) 2006 Sylvain Munaut <tnt@246tNt.com> ++ * Copyright (C) 2003 Mipsys - Benjamin Herrenschmidt ++ * ++ * This file is licensed under the terms of the GNU General Public License ++ * version 2. This program is licensed "as is" without any warranty of any ++ * kind, whether express or implied. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/slab.h> ++#include <linux/delay.h> ++#include <linux/libata.h> ++ ++#include <asm/io.h> ++#include <asm/types.h> ++#include <asm/prom.h> ++#include <asm/of_platform.h> ++#include <asm/mpc52xx.h> ++ ++ ++#define DRV_NAME "mpc52xx_ata" ++#define DRV_VERSION "0.1.0" ++ ++ ++/* Private structures used by the driver */ ++struct mpc52xx_ata_timings { ++ u32 pio1; ++ u32 pio2; ++}; ++ ++struct mpc52xx_ata_priv { ++ unsigned int ipb_period; ++ struct mpc52xx_ata __iomem * ata_regs; ++ int ata_irq; ++ struct mpc52xx_ata_timings timings[2]; ++ int csel; ++}; ++ ++ ++/* ATAPI-4 PIO specs (in ns) */ ++static const int ataspec_t0[5] = {600, 383, 240, 180, 120}; ++static const int ataspec_t1[5] = { 70, 50, 30, 30, 25}; ++static const int ataspec_t2_8[5] = {290, 290, 290, 80, 70}; ++static const int ataspec_t2_16[5] = {165, 125, 100, 80, 70}; ++static const int ataspec_t2i[5] = { 0, 0, 0, 70, 25}; ++static const int ataspec_t4[5] = { 30, 20, 15, 10, 10}; ++static const int ataspec_ta[5] = { 35, 35, 35, 35, 35}; ++ ++#define CALC_CLKCYC(c,v) ((((v)+(c)-1)/(c))) ++ ++ ++/* Bit definitions inside the registers */ ++#define MPC52xx_ATA_HOSTCONF_SMR 0x80000000UL /* State machine reset */ ++#define MPC52xx_ATA_HOSTCONF_FR 0x40000000UL /* FIFO Reset */ ++#define MPC52xx_ATA_HOSTCONF_IE 0x02000000UL /* Enable interrupt in PIO */ ++#define MPC52xx_ATA_HOSTCONF_IORDY 0x01000000UL /* Drive supports IORDY protocol */ ++ ++#define MPC52xx_ATA_HOSTSTAT_TIP 0x80000000UL /* Transaction in progress */ ++#define MPC52xx_ATA_HOSTSTAT_UREP 0x40000000UL /* UDMA Read Extended Pause */ ++#define MPC52xx_ATA_HOSTSTAT_RERR 0x02000000UL /* Read Error */ ++#define MPC52xx_ATA_HOSTSTAT_WERR 0x01000000UL /* Write Error */ ++ ++#define MPC52xx_ATA_FIFOSTAT_EMPTY 0x01 /* FIFO Empty */ ++ ++#define MPC52xx_ATA_DMAMODE_WRITE 0x01 /* Write DMA */ ++#define MPC52xx_ATA_DMAMODE_READ 0x02 /* Read DMA */ ++#define MPC52xx_ATA_DMAMODE_UDMA 0x04 /* UDMA enabled */ ++#define MPC52xx_ATA_DMAMODE_IE 0x08 /* Enable drive interrupt to CPU in DMA mode */ ++#define MPC52xx_ATA_DMAMODE_FE 0x10 /* FIFO Flush enable in Rx mode */ ++#define MPC52xx_ATA_DMAMODE_FR 0x20 /* FIFO Reset */ ++#define MPC52xx_ATA_DMAMODE_HUT 0x40 /* Host UDMA burst terminate */ ++ ++ ++/* Structure of the hardware registers */ ++struct mpc52xx_ata { ++ ++ /* Host interface registers */ ++ u32 config; /* ATA + 0x00 Host configuration */ ++ u32 host_status; /* ATA + 0x04 Host controller status */ ++ u32 pio1; /* ATA + 0x08 PIO Timing 1 */ ++ u32 pio2; /* ATA + 0x0c PIO Timing 2 */ ++ u32 mdma1; /* ATA + 0x10 MDMA Timing 1 */ ++ u32 mdma2; /* ATA + 0x14 MDMA Timing 2 */ ++ u32 udma1; /* ATA + 0x18 UDMA Timing 1 */ ++ u32 udma2; /* ATA + 0x1c UDMA Timing 2 */ ++ u32 udma3; /* ATA + 0x20 UDMA Timing 3 */ ++ u32 udma4; /* ATA + 0x24 UDMA Timing 4 */ ++ u32 udma5; /* ATA + 0x28 UDMA Timing 5 */ ++ u32 share_cnt; /* ATA + 0x2c ATA share counter */ ++ u32 reserved0[3]; ++ ++ /* FIFO registers */ ++ u32 fifo_data; /* ATA + 0x3c */ ++ u8 fifo_status_frame; /* ATA + 0x40 */ ++ u8 fifo_status; /* ATA + 0x41 */ ++ u16 reserved7[1]; ++ u8 fifo_control; /* ATA + 0x44 */ ++ u8 reserved8[5]; ++ u16 fifo_alarm; /* ATA + 0x4a */ ++ u16 reserved9; ++ u16 fifo_rdp; /* ATA + 0x4e */ ++ u16 reserved10; ++ u16 fifo_wrp; /* ATA + 0x52 */ ++ u16 reserved11; ++ u16 fifo_lfrdp; /* ATA + 0x56 */ ++ u16 reserved12; ++ u16 fifo_lfwrp; /* ATA + 0x5a */ ++ ++ /* Drive TaskFile registers */ ++ u8 tf_control; /* ATA + 0x5c TASKFILE Control/Alt Status */ ++ u8 reserved13[3]; ++ u16 tf_data; /* ATA + 0x60 TASKFILE Data */ ++ u16 reserved14; ++ u8 tf_features; /* ATA + 0x64 TASKFILE Features/Error */ ++ u8 reserved15[3]; ++ u8 tf_sec_count; /* ATA + 0x68 TASKFILE Sector Count */ ++ u8 reserved16[3]; ++ u8 tf_sec_num; /* ATA + 0x6c TASKFILE Sector Number */ ++ u8 reserved17[3]; ++ u8 tf_cyl_low; /* ATA + 0x70 TASKFILE Cylinder Low */ ++ u8 reserved18[3]; ++ u8 tf_cyl_high; /* ATA + 0x74 TASKFILE Cylinder High */ ++ u8 reserved19[3]; ++ u8 tf_dev_head; /* ATA + 0x78 TASKFILE Device/Head */ ++ u8 reserved20[3]; ++ u8 tf_command; /* ATA + 0x7c TASKFILE Command/Status */ ++ u8 dma_mode; /* ATA + 0x7d ATA Host DMA Mode configuration */ ++ u8 reserved21[2]; ++}; ++ ++ ++/* ======================================================================== */ ++/* Aux fns */ ++/* ======================================================================== */ ++ ++ ++/* MPC52xx low level hw control */ ++ ++static int ++mpc52xx_ata_compute_pio_timings(struct mpc52xx_ata_priv *priv, int dev, int pio) ++{ ++ struct mpc52xx_ata_timings *timing = &priv->timings[dev]; ++ unsigned int ipb_period = priv->ipb_period; ++ unsigned int t0, t1, t2_8, t2_16, t2i, t4, ta; ++ ++ if ((pio<0) || (pio>4)) ++ return -EINVAL; ++ ++ t0 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t0[pio]); ++ t1 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t1[pio]); ++ t2_8 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t2_8[pio]); ++ t2_16 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t2_16[pio]); ++ t2i = CALC_CLKCYC(ipb_period, 1000 * ataspec_t2i[pio]); ++ t4 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t4[pio]); ++ ta = CALC_CLKCYC(ipb_period, 1000 * ataspec_ta[pio]); ++ ++ timing->pio1 = (t0 << 24) | (t2_8 << 16) | (t2_16 << 8) | (t2i); ++ timing->pio2 = (t4 << 24) | (t1 << 16) | (ta << 8); ++ ++ return 0; ++} ++ ++static void ++mpc52xx_ata_apply_timings(struct mpc52xx_ata_priv *priv, int device) ++{ ++ struct mpc52xx_ata __iomem *regs = priv->ata_regs; ++ struct mpc52xx_ata_timings *timing = &priv->timings[device]; ++ ++ out_be32(®s->pio1, timing->pio1); ++ out_be32(®s->pio2, timing->pio2); ++ out_be32(®s->mdma1, 0); ++ out_be32(®s->mdma2, 0); ++ out_be32(®s->udma1, 0); ++ out_be32(®s->udma2, 0); ++ out_be32(®s->udma3, 0); ++ out_be32(®s->udma4, 0); ++ out_be32(®s->udma5, 0); ++ ++ priv->csel = device; ++} ++ ++static int ++mpc52xx_ata_hw_init(struct mpc52xx_ata_priv *priv) ++{ ++ struct mpc52xx_ata __iomem *regs = priv->ata_regs; ++ int tslot; ++ ++ /* Clear share_cnt (all sample code do this ...) */ ++ out_be32(®s->share_cnt, 0); ++ ++ /* Configure and reset host */ ++ out_be32(®s->config, ++ MPC52xx_ATA_HOSTCONF_IE | ++ MPC52xx_ATA_HOSTCONF_IORDY | ++ MPC52xx_ATA_HOSTCONF_SMR | ++ MPC52xx_ATA_HOSTCONF_FR); ++ ++ udelay(10); ++ ++ out_be32(®s->config, ++ MPC52xx_ATA_HOSTCONF_IE | ++ MPC52xx_ATA_HOSTCONF_IORDY); ++ ++ /* Set the time slot to 1us */ ++ tslot = CALC_CLKCYC(priv->ipb_period, 1000000); ++ out_be32(®s->share_cnt, tslot << 16 ); ++ ++ /* Init timings to PIO0 */ ++ memset(priv->timings, 0x00, 2*sizeof(struct mpc52xx_ata_timings)); ++ ++ mpc52xx_ata_compute_pio_timings(priv, 0, 0); ++ mpc52xx_ata_compute_pio_timings(priv, 1, 0); ++ ++ mpc52xx_ata_apply_timings(priv, 0); ++ ++ return 0; ++} ++ ++ ++/* ======================================================================== */ ++/* libata driver */ ++/* ======================================================================== */ ++ ++static void ++mpc52xx_ata_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct mpc52xx_ata_priv *priv = ap->host->private_data; ++ int pio, rv; ++ ++ pio = adev->pio_mode - XFER_PIO_0; ++ ++ rv = mpc52xx_ata_compute_pio_timings(priv, adev->devno, pio); ++ ++ if (rv) { ++ printk(KERN_ERR DRV_NAME ++ ": Trying to select invalid PIO mode %d\n", pio); ++ return; ++ } ++ ++ mpc52xx_ata_apply_timings(priv, adev->devno); ++} ++static void ++mpc52xx_ata_dev_select(struct ata_port *ap, unsigned int device) ++{ ++ struct mpc52xx_ata_priv *priv = ap->host->private_data; ++ ++ if (device != priv->csel) ++ mpc52xx_ata_apply_timings(priv, device); ++ ++ ata_std_dev_select(ap,device); ++} ++ ++static void ++mpc52xx_ata_error_handler(struct ata_port *ap) ++{ ++ ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL, ++ ata_std_postreset); ++} ++ ++ ++ ++static struct scsi_host_template mpc52xx_ata_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++}; ++ ++static struct ata_port_operations mpc52xx_ata_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = mpc52xx_ata_set_piomode, ++ .dev_select = mpc52xx_ata_dev_select, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .freeze = ata_bmdma_freeze, ++ .thaw = ata_bmdma_thaw, ++ .error_handler = mpc52xx_ata_error_handler, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_mmio_data_xfer, ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static struct ata_probe_ent mpc52xx_ata_probe_ent = { ++ .port_ops = &mpc52xx_ata_port_ops, ++ .sht = &mpc52xx_ata_sht, ++ .n_ports = 1, ++ .pio_mask = 0x1f, /* Up to PIO4 */ ++ .mwdma_mask = 0x00, /* No MWDMA */ ++ .udma_mask = 0x00, /* No UDMA */ ++ .port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_MMIO, ++ .irq_flags = 0, ++}; ++ ++static int __devinit ++mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv) ++{ ++ struct ata_probe_ent *ae = &mpc52xx_ata_probe_ent; ++ struct ata_ioports *aio = &ae->port[0]; ++ int rv; ++ ++ INIT_LIST_HEAD(&ae->node); ++ ae->dev = dev; ++ ae->irq = priv->ata_irq; ++ ++ aio->cmd_addr = 0; /* Don't have a classic reg block */ ++ aio->altstatus_addr = (unsigned long)&priv->ata_regs->tf_control; ++ aio->ctl_addr = (unsigned long)&priv->ata_regs->tf_control; ++ aio->data_addr = (unsigned long)&priv->ata_regs->tf_data; ++ aio->error_addr = (unsigned long)&priv->ata_regs->tf_features; ++ aio->feature_addr = (unsigned long)&priv->ata_regs->tf_features; ++ aio->nsect_addr = (unsigned long)&priv->ata_regs->tf_sec_count; ++ aio->lbal_addr = (unsigned long)&priv->ata_regs->tf_sec_num; ++ aio->lbam_addr = (unsigned long)&priv->ata_regs->tf_cyl_low; ++ aio->lbah_addr = (unsigned long)&priv->ata_regs->tf_cyl_high; ++ aio->device_addr = (unsigned long)&priv->ata_regs->tf_dev_head; ++ aio->status_addr = (unsigned long)&priv->ata_regs->tf_command; ++ aio->command_addr = (unsigned long)&priv->ata_regs->tf_command; ++ ++ ae->private_data = priv; ++ ++ rv = ata_device_add(ae); ++ ++ return rv ? 0 : -EINVAL; ++} ++ ++static struct mpc52xx_ata_priv * ++mpc52xx_ata_remove_one(struct device *dev) ++{ ++ struct ata_host *host = dev_get_drvdata(dev); ++ struct mpc52xx_ata_priv *priv = host->private_data; ++ ++ ata_host_remove(host); ++ ++ return priv; ++} ++ ++ ++/* ======================================================================== */ ++/* OF Platform driver */ ++/* ======================================================================== */ ++ ++static int __devinit ++mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match) ++{ ++ unsigned int ipb_freq; ++ struct resource res_mem; ++ int ata_irq = NO_IRQ; ++ struct mpc52xx_ata __iomem *ata_regs = NULL; ++ struct mpc52xx_ata_priv *priv = NULL; ++ int rv; ++ ++ /* Get ipb frequency */ ++ ipb_freq = mpc52xx_find_ipb_freq(op->node); ++ if (!ipb_freq) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Unable to find IPB Bus frequency\n" ); ++ return -ENODEV; ++ } ++ ++ /* Get IRQ and register */ ++ rv = of_address_to_resource(op->node, 0, &res_mem); ++ if (rv) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Error while parsing device node resource\n" ); ++ return rv; ++ } ++ ++ ata_irq = irq_of_parse_and_map(op->node, 0); ++ if (ata_irq == NO_IRQ) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Error while mapping the irq\n"); ++ return -EINVAL; ++ } ++ ++ /* Request mem region */ ++ if (!request_mem_region(res_mem.start, ++ sizeof(struct mpc52xx_ata), DRV_NAME)) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Error while requesting mem region\n"); ++ irq_dispose_mapping(ata_irq); ++ return -EBUSY; ++ } ++ ++ /* Remap registers */ ++ ata_regs = ioremap(res_mem.start, sizeof(struct mpc52xx_ata)); ++ if (!ata_regs) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Error while mapping register set\n"); ++ rv = -ENOMEM; ++ goto err; ++ } ++ ++ /* Prepare our private structure */ ++ priv = kmalloc(sizeof(struct mpc52xx_ata_priv), GFP_ATOMIC); ++ if (!priv) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Error while allocating private structure\n"); ++ rv = -ENOMEM; ++ goto err; ++ } ++ ++ priv->ipb_period = 1000000000 / (ipb_freq / 1000); ++ priv->ata_regs = ata_regs; ++ priv->ata_irq = ata_irq; ++ priv->csel = -1; ++ ++ /* Init the hw */ ++ rv = mpc52xx_ata_hw_init(priv); ++ if (rv) { ++ printk(KERN_ERR DRV_NAME ": Error during HW init\n"); ++ goto err; ++ } ++ ++ /* Register ourselves to libata */ ++ rv = mpc52xx_ata_init_one(&op->dev, priv); ++ if (rv) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Error while registering to ATA layer\n"); ++ return rv; ++ } ++ ++ /* Done */ ++ return 0; ++ ++ /* Error path */ ++err: ++ kfree(priv); ++ ++ if (ata_regs) ++ iounmap(ata_regs); ++ ++ release_mem_region(res_mem.start, sizeof(struct mpc52xx_ata)); ++ ++ irq_dispose_mapping(ata_irq); ++ ++ return rv; ++} ++ ++static int ++mpc52xx_ata_remove(struct of_device *op) ++{ ++ struct mpc52xx_ata_priv *priv; ++ struct resource res_mem; ++ int rv; ++ ++ /* Unregister */ ++ priv = mpc52xx_ata_remove_one(&op->dev); ++ ++ /* Free everything */ ++ iounmap(priv->ata_regs); ++ ++ rv = of_address_to_resource(op->node, 0, &res_mem); ++ if (rv) { ++ printk(KERN_ERR DRV_NAME ": " ++ "Error while parsing device node resource\n"); ++ printk(KERN_ERR DRV_NAME ": " ++ "Zone may not be properly released\n"); ++ } else ++ release_mem_region(res_mem.start, sizeof(struct mpc52xx_ata)); ++ ++ irq_dispose_mapping(priv->ata_irq); ++ ++ kfree(priv); ++ ++ return 0; ++} ++ ++ ++#ifdef CONFIG_PM ++ ++static int ++mpc52xx_ata_suspend(struct of_device *op, pm_message_t state) ++{ ++ return 0; /* FIXME : What to do here ? */ ++} ++ ++static int ++mpc52xx_ata_resume(struct of_device *op) ++{ ++ return 0; /* FIXME : What to do here ? */ ++} ++ ++#endif ++ ++ ++static struct of_device_id mpc52xx_ata_of_match[] = { ++ { ++ .compatible = "mpc5200-ata", ++ }, ++ { ++ .compatible = "mpc52xx-ata", ++ }, ++ {}, ++}; ++ ++ ++static struct of_platform_driver mpc52xx_ata_of_platform_driver = { ++ .owner = THIS_MODULE, ++ .name = DRV_NAME, ++ .match_table = mpc52xx_ata_of_match, ++ .probe = mpc52xx_ata_probe, ++ .remove = mpc52xx_ata_remove, ++#ifdef CONFIG_PM ++ .suspend = mpc52xx_ata_suspend, ++ .resume = mpc52xx_ata_resume, ++#endif ++ .driver = { ++ .name = DRV_NAME, ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++ ++/* ======================================================================== */ ++/* Module */ ++/* ======================================================================== */ ++ ++static int __init ++mpc52xx_ata_init(void) ++{ ++ printk(KERN_INFO "ata: MPC52xx IDE/ATA libata driver\n"); ++ return of_register_platform_driver(&mpc52xx_ata_of_platform_driver); ++} ++ ++static void __exit ++mpc52xx_ata_exit(void) ++{ ++ of_unregister_platform_driver(&mpc52xx_ata_of_platform_driver); ++} ++ ++module_init(mpc52xx_ata_init); ++module_exit(mpc52xx_ata_exit); ++ ++MODULE_AUTHOR("Sylvain Munaut <tnt@246tNt.com>"); ++MODULE_DESCRIPTION("Freescale MPC52xx IDE/ATA libata driver"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(of, mpc52xx_ata_of_match); ++MODULE_VERSION(DRV_VERSION); ++ +-- +1.4.4.2 + |