diff options
Diffstat (limited to 'target/linux/ppc40x/patches-3.18/101-pata-magicbox-cf-driver.patch')
-rw-r--r-- | target/linux/ppc40x/patches-3.18/101-pata-magicbox-cf-driver.patch | 433 |
1 files changed, 0 insertions, 433 deletions
diff --git a/target/linux/ppc40x/patches-3.18/101-pata-magicbox-cf-driver.patch b/target/linux/ppc40x/patches-3.18/101-pata-magicbox-cf-driver.patch deleted file mode 100644 index d0e89b7139..0000000000 --- a/target/linux/ppc40x/patches-3.18/101-pata-magicbox-cf-driver.patch +++ /dev/null @@ -1,433 +0,0 @@ ---- a/drivers/ata/Kconfig -+++ b/drivers/ata/Kconfig -@@ -234,6 +234,16 @@ config PDC_ADMA - - If unsure, say N. - -+config PATA_MAGICBOX_CF -+ tristate "Magicbox/OpenRB Compact Flash support" -+ depends on MAGICBOX || OPENRB -+ help -+ This option enables support for a Compact Flash conected on -+ the ppc405ep expansion bus. This driver had been written for -+ the Magicbox v2 and OpenRB boards. -+ -+ If unsure, say N. -+ - config PATA_OCTEON_CF - tristate "OCTEON Boot Bus Compact Flash support" - depends on CAVIUM_OCTEON_SOC ---- a/drivers/ata/Makefile -+++ b/drivers/ata/Makefile -@@ -91,6 +91,7 @@ obj-$(CONFIG_PATA_AT91) += pata_at91.o - obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o - obj-$(CONFIG_PATA_ISAPNP) += pata_isapnp.o - obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o -+obj-$(CONFIG_PATA_MAGICBOX_CF) += pata_magicbox_cf.o - obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o - obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o - obj-$(CONFIG_PATA_OPTI) += pata_opti.o ---- /dev/null -+++ b/drivers/ata/pata_magicbox_cf.c -@@ -0,0 +1,401 @@ -+/* -+ * PATA/CompactFlash driver for the MagicBox v2/OpenRB boards. -+ * -+ * Copyright (C) 2009,2012 Gabor Juhos <juhosg@openwrt.org> -+ * -+ * Based on the IDE driver by Wojtek Kaniewski <wojtekka@toxygen.net> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published -+ * by the Free Software Foundation. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/slab.h> -+#include <linux/types.h> -+#include <linux/ioport.h> -+#include <linux/libata.h> -+#include <linux/irq.h> -+//#include <linux/of.h> -+//#include <linux/of_device.h> -+#include <linux/of_platform.h> -+#include <scsi/scsi_host.h> -+ -+#define DRV_DESC "PATA/CompactFlash driver for Magicbox/OpenRB boards" -+#define DRV_NAME "pata_magicbox_cf" -+#define DRV_VERSION "0.1.0" -+ -+#define MAGICBOX_CF_REG_CMD (2 * ATA_REG_CMD) -+#define MAGICBOX_CF_REG_DATA (2 * ATA_REG_DATA) -+#define MAGICBOX_CF_REG_ERR (2 * ATA_REG_ERR) -+#define MAGICBOX_CF_REG_FEATURE (2 * ATA_REG_FEATURE) -+#define MAGICBOX_CF_REG_NSECT (2 * ATA_REG_NSECT) -+#define MAGICBOX_CF_REG_LBAL (2 * ATA_REG_LBAL) -+#define MAGICBOX_CF_REG_LBAM (2 * ATA_REG_LBAM) -+#define MAGICBOX_CF_REG_LBAH (2 * ATA_REG_LBAH) -+#define MAGICBOX_CF_REG_DEVICE (2 * ATA_REG_DEVICE) -+#define MAGICBOX_CF_REG_STATUS (2 * ATA_REG_STATUS) -+#define MAGICBOX_CF_REG_ALTSTATUS (2 * 6) -+#define MAGICBOX_CF_REG_CTL (2 * 6) -+ -+#define MAGICBOX_CF_MAXPORTS 1 -+ -+struct magicbox_cf_info { -+ void __iomem *base; -+ void __iomem *ctrl; -+}; -+ -+static inline u8 magicbox_cf_inb(void __iomem *port) -+{ -+ return (u8) (readw(port) >> 8) & 0xff; -+} -+ -+static inline void magicbox_cf_outb(void __iomem *port, u8 value) -+{ -+ writew(value << 8, port); -+} -+ -+static int magicbox_cf_set_mode(struct ata_link *link, -+ struct ata_device **error) -+{ -+ struct ata_device *dev; -+ -+ ata_for_each_dev(dev, link, ENABLED) { -+ ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n"); -+ dev->pio_mode = XFER_PIO_0; -+ dev->xfer_mode = XFER_PIO_0; -+ dev->xfer_shift = ATA_SHIFT_PIO; -+ dev->flags |= ATA_DFLAG_PIO; -+ } -+ -+ return 0; -+} -+ -+static void magicbox_cf_exec_command(struct ata_port *ap, -+ const struct ata_taskfile *tf) -+{ -+ DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command); -+ -+ magicbox_cf_outb(ap->ioaddr.command_addr, tf->command); -+ ata_sff_pause(ap); -+} -+ -+static u8 magicbox_cf_check_status(struct ata_port *ap) -+{ -+ u8 status; -+ -+ status = magicbox_cf_inb(ap->ioaddr.status_addr); -+ -+ DPRINTK("ata%u: status 0x%X, from %p\n", ap->print_id, status, -+ ap->ioaddr.status_addr); -+ -+ return status; -+} -+ -+static u8 magicbox_cf_check_altstatus(struct ata_port *ap) -+{ -+ u8 altstatus; -+ -+ altstatus = magicbox_cf_inb(ap->ioaddr.altstatus_addr); -+ -+ DPRINTK("ata%u: altstatus 0x%X, from %p\n", ap->print_id, -+ altstatus, ap->ioaddr.altstatus_addr); -+ -+ return altstatus; -+} -+ -+static void magicbox_cf_dev_select(struct ata_port *ap, unsigned int device) -+{ -+ /* Nothing to do. We are supporting one device only. */ -+} -+ -+static void magicbox_cf_tf_load(struct ata_port *ap, -+ const struct ata_taskfile *tf) -+{ -+ struct ata_ioports *ioaddr = &ap->ioaddr; -+ unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; -+ -+ if (tf->ctl != ap->last_ctl) { -+ magicbox_cf_outb(ioaddr->ctl_addr, tf->ctl); -+ ap->last_ctl = tf->ctl; -+ ata_wait_idle(ap); -+ } -+ -+ if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { -+ magicbox_cf_outb(ioaddr->feature_addr, tf->hob_feature); -+ magicbox_cf_outb(ioaddr->nsect_addr, tf->hob_nsect); -+ magicbox_cf_outb(ioaddr->lbal_addr, tf->hob_lbal); -+ magicbox_cf_outb(ioaddr->lbam_addr, tf->hob_lbam); -+ magicbox_cf_outb(ioaddr->lbah_addr, tf->hob_lbah); -+ VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n", -+ tf->hob_feature, -+ tf->hob_nsect, -+ tf->hob_lbal, -+ tf->hob_lbam, -+ tf->hob_lbah); -+ } -+ -+ if (is_addr) { -+ magicbox_cf_outb(ioaddr->feature_addr, tf->feature); -+ magicbox_cf_outb(ioaddr->nsect_addr, tf->nsect); -+ magicbox_cf_outb(ioaddr->lbal_addr, tf->lbal); -+ magicbox_cf_outb(ioaddr->lbam_addr, tf->lbam); -+ magicbox_cf_outb(ioaddr->lbah_addr, tf->lbah); -+ VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n", -+ tf->feature, -+ tf->nsect, -+ tf->lbal, -+ tf->lbam, -+ tf->lbah); -+ } -+ -+ if (tf->flags & ATA_TFLAG_DEVICE) { -+ magicbox_cf_outb(ioaddr->device_addr, tf->device); -+ VPRINTK("device 0x%X\n", tf->device); -+ } -+ -+ ata_wait_idle(ap); -+} -+ -+static void magicbox_cf_tf_read(struct ata_port *ap, struct ata_taskfile *tf) -+{ -+ struct ata_ioports *ioaddr = &ap->ioaddr; -+ -+ tf->command = magicbox_cf_inb(ap->ioaddr.status_addr); -+ tf->feature = magicbox_cf_inb(ioaddr->error_addr); -+ tf->nsect = magicbox_cf_inb(ioaddr->nsect_addr); -+ tf->lbal = magicbox_cf_inb(ioaddr->lbal_addr); -+ tf->lbam = magicbox_cf_inb(ioaddr->lbam_addr); -+ tf->lbah = magicbox_cf_inb(ioaddr->lbah_addr); -+ tf->device = magicbox_cf_inb(ioaddr->device_addr); -+ VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n", -+ tf->feature, -+ tf->nsect, -+ tf->lbal, -+ tf->lbam, -+ tf->lbah); -+ -+ if (tf->flags & ATA_TFLAG_LBA48) { -+ magicbox_cf_outb(ioaddr->ctl_addr, tf->ctl | ATA_HOB); -+ tf->hob_feature = magicbox_cf_inb(ioaddr->error_addr); -+ tf->hob_nsect = magicbox_cf_inb(ioaddr->nsect_addr); -+ tf->hob_lbal = magicbox_cf_inb(ioaddr->lbal_addr); -+ tf->hob_lbam = magicbox_cf_inb(ioaddr->lbam_addr); -+ tf->hob_lbah = magicbox_cf_inb(ioaddr->lbah_addr); -+ magicbox_cf_outb(ioaddr->ctl_addr, tf->ctl); -+ ap->last_ctl = tf->ctl; -+ VPRINTK("hob: feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n", -+ tf->feature, -+ tf->nsect, -+ tf->lbal, -+ tf->lbam, -+ tf->lbah); -+ } -+} -+ -+static unsigned int magicbox_cf_data_xfer(struct ata_device *dev, -+ unsigned char *buf, -+ unsigned int buflen, int rw) -+{ -+ struct ata_port *ap = dev->link->ap; -+ unsigned int words = buflen >> 1; -+ unsigned int i; -+ u16 *buf16 = (u16 *) buf; -+ void __iomem *mmio = ap->ioaddr.data_addr; -+ -+ /* Transfer multiple of 2 bytes */ -+ if (rw == READ) -+ for (i = 0; i < words; i++) -+ buf16[i] = readw(mmio); -+ else -+ for (i = 0; i < words; i++) -+ writew(buf16[i], mmio); -+ -+ /* Transfer trailing 1 byte, if any. */ -+ if (unlikely(buflen & 0x01)) { -+ u16 align_buf[1] = { 0 }; -+ unsigned char *trailing_buf = buf + buflen - 1; -+ -+ if (rw == READ) { -+ align_buf[0] = readw(mmio); -+ memcpy(trailing_buf, align_buf, 1); -+ } else { -+ memcpy(align_buf, trailing_buf, 1); -+ writew(align_buf[0], mmio); -+ } -+ words++; -+ } -+ -+ return words << 1; -+} -+ -+static void magicbox_cf_irq_on(struct ata_port *ap) -+{ -+ /* Nothing to do. */ -+} -+ -+static void magicbox_cf_irq_clear(struct ata_port *ap) -+{ -+ /* Nothing to do. */ -+} -+ -+static struct ata_port_operations magicbox_cf_port_ops = { -+ .inherits = &ata_sff_port_ops, -+ -+ .cable_detect = ata_cable_40wire, -+ .set_mode = magicbox_cf_set_mode, -+ -+ .sff_exec_command = magicbox_cf_exec_command, -+ .sff_check_status = magicbox_cf_check_status, -+ .sff_check_altstatus = magicbox_cf_check_altstatus, -+ .sff_dev_select = magicbox_cf_dev_select, -+ .sff_tf_load = magicbox_cf_tf_load, -+ .sff_tf_read = magicbox_cf_tf_read, -+ .sff_data_xfer = magicbox_cf_data_xfer, -+ -+ .sff_irq_on = magicbox_cf_irq_on, -+ .sff_irq_clear = magicbox_cf_irq_clear, -+ -+ .port_start = ATA_OP_NULL, -+}; -+ -+static struct scsi_host_template magicbox_cf_sht = { -+ ATA_PIO_SHT(DRV_NAME), -+}; -+ -+static inline void magicbox_cf_setup_port(struct ata_host *host) -+{ -+ struct magicbox_cf_info *info = host->private_data; -+ struct ata_port *ap; -+ -+ ap = host->ports[0]; -+ -+ ap->ops = &magicbox_cf_port_ops; -+ ap->pio_mask = ATA_PIO4; -+ ap->flags |= ATA_FLAG_NO_ATAPI; -+ -+ ap->ioaddr.cmd_addr = info->base + MAGICBOX_CF_REG_CMD; -+ ap->ioaddr.data_addr = info->base + MAGICBOX_CF_REG_DATA; -+ ap->ioaddr.error_addr = info->base + MAGICBOX_CF_REG_ERR; -+ ap->ioaddr.feature_addr = info->base + MAGICBOX_CF_REG_FEATURE; -+ ap->ioaddr.nsect_addr = info->base + MAGICBOX_CF_REG_NSECT; -+ ap->ioaddr.lbal_addr = info->base + MAGICBOX_CF_REG_LBAL; -+ ap->ioaddr.lbam_addr = info->base + MAGICBOX_CF_REG_LBAM; -+ ap->ioaddr.lbah_addr = info->base + MAGICBOX_CF_REG_LBAH; -+ ap->ioaddr.device_addr = info->base + MAGICBOX_CF_REG_DEVICE; -+ ap->ioaddr.status_addr = info->base + MAGICBOX_CF_REG_STATUS; -+ ap->ioaddr.command_addr = info->base + MAGICBOX_CF_REG_CMD; -+ -+ ap->ioaddr.altstatus_addr = info->ctrl + MAGICBOX_CF_REG_ALTSTATUS; -+ ap->ioaddr.ctl_addr = info->ctrl + MAGICBOX_CF_REG_CTL; -+ -+ ata_port_desc(ap, "cmd 0x%p ctl 0x%p", ap->ioaddr.cmd_addr, -+ ap->ioaddr.ctl_addr); -+} -+ -+static int magicbox_cf_of_probe(struct platform_device *op) -+{ -+ struct magicbox_cf_info *info; -+ struct ata_host *host; -+ int irq; -+ int ret = 0; -+ -+ info = kzalloc(sizeof(struct magicbox_cf_info), GFP_KERNEL); -+ if (info == NULL) { -+ ret = -ENOMEM; -+ goto err_exit; -+ } -+ -+ irq = irq_of_parse_and_map(op->dev.of_node, 0); -+ if (irq < 0) { -+ dev_err(&op->dev, "invalid irq\n"); -+ ret = -EINVAL; -+ goto err_free_info; -+ } -+ -+ info->base = of_iomap(op->dev.of_node, 0); -+ if (info->base == NULL) { -+ ret = -ENOMEM; -+ goto err_free_info; -+ } -+ -+ info->ctrl = of_iomap(op->dev.of_node, 1); -+ if (info->ctrl == NULL) { -+ ret = -ENOMEM; -+ goto err_unmap_base; -+ } -+ -+ host = ata_host_alloc(&op->dev, MAGICBOX_CF_MAXPORTS); -+ if (host == NULL) { -+ ret = -ENOMEM; -+ goto err_unmap_ctrl; -+ } -+ -+ host->private_data = info; -+ magicbox_cf_setup_port(host); -+ -+ ret = ata_host_activate(host, irq, ata_sff_interrupt, -+ IRQF_TRIGGER_RISING, &magicbox_cf_sht); -+ if (ret) -+ goto err_unmap_ctrl; -+ -+ dev_set_drvdata(&op->dev, host); -+ return 0; -+ -+ err_unmap_ctrl: -+ iounmap(info->ctrl); -+ err_unmap_base: -+ iounmap(info->base); -+ err_free_info: -+ kfree(info); -+ err_exit: -+ return ret; -+} -+ -+static int magicbox_cf_of_remove(struct platform_device *op) -+{ -+ struct ata_host *host = dev_get_drvdata(&op->dev); -+ struct magicbox_cf_info *info = host->private_data; -+ -+ ata_host_detach(host); -+ iounmap(info->ctrl); -+ iounmap(info->base); -+ kfree(info); -+ -+ return 0; -+} -+ -+static struct of_device_id magicbox_cf_of_match[] = { -+ { .compatible = "pata-magicbox-cf", }, -+ {}, -+}; -+ -+static struct platform_driver magicbox_cf_of_platform_driver = { -+ .probe = magicbox_cf_of_probe, -+ .remove = magicbox_cf_of_remove, -+ .driver = { -+ .name = DRV_NAME, -+ .owner = THIS_MODULE, -+ .of_match_table = magicbox_cf_of_match, -+ }, -+}; -+ -+static int __init magicbox_cf_init(void) -+{ -+ return platform_driver_register(&magicbox_cf_of_platform_driver); -+} -+ -+static void __exit magicbox_cf_exit(void) -+{ -+ platform_driver_unregister(&magicbox_cf_of_platform_driver); -+} -+ -+module_init(magicbox_cf_init); -+module_exit(magicbox_cf_exit); -+ -+MODULE_DESCRIPTION(DRV_DESC); -+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); -+MODULE_LICENSE("GPL v2"); -+MODULE_VERSION(DRV_VERSION); -+MODULE_DEVICE_TABLE(of, magicbox_cf_of_match); |