diff options
Diffstat (limited to 'target/linux/ppc40x/patches/100-magicbox-ide-driver.patch')
-rw-r--r-- | target/linux/ppc40x/patches/100-magicbox-ide-driver.patch | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/target/linux/ppc40x/patches/100-magicbox-ide-driver.patch b/target/linux/ppc40x/patches/100-magicbox-ide-driver.patch deleted file mode 100644 index eca26a9e4a..0000000000 --- a/target/linux/ppc40x/patches/100-magicbox-ide-driver.patch +++ /dev/null @@ -1,359 +0,0 @@ ---- a/drivers/ide/Kconfig -+++ b/drivers/ide/Kconfig -@@ -712,6 +712,11 @@ config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ - default "128" - depends on BLK_DEV_IDE_AU1XXX - -+config BLK_DEV_IDE_MAGICBOX -+ tristate "Magicbox CF card support" -+ depends on MAGICBOXV2 || OPENRB_LIGHT -+ select IDE_XFER_MODE -+ - config BLK_DEV_IDE_TX4938 - tristate "TX4938 internal IDE support" - depends on SOC_TX4938 ---- a/drivers/ide/Makefile -+++ b/drivers/ide/Makefile -@@ -110,6 +110,7 @@ obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapi - obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710) += palm_bk3710.o - - obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o -+obj-$(CONFIG_BLK_DEV_IDE_MAGICBOX) += magicbox_ide.o - - obj-$(CONFIG_BLK_DEV_IDE_TX4938) += tx4938ide.o - obj-$(CONFIG_BLK_DEV_IDE_TX4939) += tx4939ide.o ---- /dev/null -+++ b/drivers/ide/magicbox_ide.c -@@ -0,0 +1,332 @@ -+/* -+ * IDE driver for the MagicBox 2.0 onboard CompactFlash slot. -+ * -+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> -+ * -+ * Based on the original 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/types.h> -+#include <linux/ioport.h> -+#include <linux/of.h> -+#include <linux/of_device.h> -+#include <linux/of_platform.h> -+#include <linux/ide.h> -+ -+#define DRV_DESC "IDE driver for Magicbox 2.0 onboard CF slot" -+#define DRV_NAME "magicbox_cf" -+ -+static u8 magicbox_ide_inb(unsigned long port) -+{ -+ return (u8) (readw((void __iomem *) port) >> 8) & 0xff; -+} -+ -+static void magicbox_ide_outb(u8 value, unsigned long port) -+{ -+ writew(value << 8, (void __iomem *) port); -+} -+ -+static inline void magicbox_ide_insw(unsigned long port, void *addr, u32 count) -+{ -+ u16 *ptr; -+ -+ for (ptr = addr; count--; ptr++) -+ *ptr = readw((void __iomem *) port); -+} -+ -+static inline void magicbox_ide_insl(unsigned long port, void *addr, u32 count) -+{ -+ u32 *ptr; -+ -+ for (ptr = addr; count--; ptr++) -+ *ptr = readl((void __iomem *) port); -+} -+ -+static inline void magicbox_ide_outsw(unsigned long port, void *addr, -+ u32 count) -+{ -+ u16 *ptr; -+ -+ for (ptr = addr; count--; ptr++) -+ writew(*ptr, (void __iomem *) port); -+} -+ -+static inline void magicbox_ide_outsl(unsigned long port, void *addr, -+ u32 count) -+{ -+ u32 *ptr; -+ -+ for (ptr = addr; count--; ptr++) -+ writel(*ptr, (void __iomem *) port); -+} -+ -+static void magicbox_ide_exec_command(ide_hwif_t *hwif, u8 cmd) -+{ -+ magicbox_ide_outb(cmd, hwif->io_ports.command_addr); -+} -+ -+static u8 magicbox_ide_read_status(ide_hwif_t *hwif) -+{ -+ return magicbox_ide_inb(hwif->io_ports.status_addr); -+} -+ -+static u8 magicbox_ide_read_altstatus(ide_hwif_t *hwif) -+{ -+ return magicbox_ide_inb(hwif->io_ports.ctl_addr); -+} -+ -+static void magicbox_ide_tf_load(ide_drive_t *drive, ide_task_t *task) -+{ -+ struct ide_io_ports *io_ports = &drive->hwif->io_ports; -+ struct ide_taskfile *tf = &task->tf; -+ u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF; -+ -+ if (task->tf_flags & IDE_TFLAG_FLAGGED) -+ HIHI = 0xFF; -+ -+ if (task->tf_flags & IDE_TFLAG_OUT_DATA) -+ writel((tf->hob_data << 8) | tf->data, -+ (void __iomem *) io_ports->data_addr); -+ -+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE) -+ magicbox_ide_outb(tf->hob_feature, io_ports->feature_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT) -+ magicbox_ide_outb(tf->hob_nsect, io_ports->nsect_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL) -+ magicbox_ide_outb(tf->hob_lbal, io_ports->lbal_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM) -+ magicbox_ide_outb(tf->hob_lbam, io_ports->lbam_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH) -+ magicbox_ide_outb(tf->hob_lbah, io_ports->lbah_addr); -+ -+ if (task->tf_flags & IDE_TFLAG_OUT_FEATURE) -+ magicbox_ide_outb(tf->feature, io_ports->feature_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_NSECT) -+ magicbox_ide_outb(tf->nsect, io_ports->nsect_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_LBAL) -+ magicbox_ide_outb(tf->lbal, io_ports->lbal_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_LBAM) -+ magicbox_ide_outb(tf->lbam, io_ports->lbam_addr); -+ if (task->tf_flags & IDE_TFLAG_OUT_LBAH) -+ magicbox_ide_outb(tf->lbah, io_ports->lbah_addr); -+ -+ if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) -+ magicbox_ide_outb((tf->device & HIHI) | drive->select, -+ io_ports->device_addr); -+} -+ -+static void magicbox_ide_tf_read(ide_drive_t *drive, ide_task_t *task) -+{ -+ struct ide_io_ports *io_ports = &drive->hwif->io_ports; -+ struct ide_taskfile *tf = &task->tf; -+ -+ if (task->tf_flags & IDE_TFLAG_IN_DATA) { -+ u16 data = (u16) readl((void __iomem *) io_ports->data_addr); -+ -+ tf->data = data & 0xff; -+ tf->hob_data = (data >> 8) & 0xff; -+ } -+ -+ /* be sure we're looking at the low order bits */ -+ magicbox_ide_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); -+ -+ if (task->tf_flags & IDE_TFLAG_IN_NSECT) -+ tf->nsect = magicbox_ide_inb(io_ports->nsect_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_LBAL) -+ tf->lbal = magicbox_ide_inb(io_ports->lbal_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_LBAM) -+ tf->lbam = magicbox_ide_inb(io_ports->lbam_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_LBAH) -+ tf->lbah = magicbox_ide_inb(io_ports->lbah_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_DEVICE) -+ tf->device = magicbox_ide_inb(io_ports->device_addr); -+ -+ if (task->tf_flags & IDE_TFLAG_LBA48) { -+ magicbox_ide_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr); -+ -+ if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) -+ tf->hob_feature = magicbox_ide_inb(io_ports->feature_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT) -+ tf->hob_nsect = magicbox_ide_inb(io_ports->nsect_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL) -+ tf->hob_lbal = magicbox_ide_inb(io_ports->lbal_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM) -+ tf->hob_lbam = magicbox_ide_inb(io_ports->lbam_addr); -+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH) -+ tf->hob_lbah = magicbox_ide_inb(io_ports->lbah_addr); -+ } -+} -+ -+static void magicbox_ide_input_data(ide_drive_t *drive, struct request *rq, -+ void *buf, unsigned int len) -+{ -+ unsigned long port = drive->hwif->io_ports.data_addr; -+ -+ len++; -+ -+ if (drive->io_32bit) { -+ magicbox_ide_insl(port, buf, len / 4); -+ -+ if ((len & 3) >= 2) -+ magicbox_ide_insw(port, (u8 *)buf + (len & ~3), 1); -+ } else -+ magicbox_ide_insw(port, buf, len / 2); -+} -+ -+static void magicbox_ide_output_data(ide_drive_t *drive, struct request *rq, -+ void *buf, unsigned int len) -+{ -+ unsigned long port = drive->hwif->io_ports.data_addr; -+ -+ len++; -+ -+ if (drive->io_32bit) { -+ magicbox_ide_outsl(port, buf, len / 4); -+ -+ if ((len & 3) >= 2) -+ magicbox_ide_outsw(port, (u8 *)buf + (len & ~3), 1); -+ } else -+ magicbox_ide_outsw(port, buf, len / 2); -+} -+ -+static void magicbox_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) -+{ -+} -+ -+static u8 magicbox_ide_cable_detect(ide_hwif_t *hwif) -+{ -+ return ATA_CBL_PATA40; -+} -+ -+static const struct ide_tp_ops magicbox_ide_tp_ops = { -+ .exec_command = magicbox_ide_exec_command, -+ .read_status = magicbox_ide_read_status, -+ .read_altstatus = magicbox_ide_read_altstatus, -+ -+ .set_irq = ide_set_irq, -+ .tf_load = magicbox_ide_tf_load, -+ .tf_read = magicbox_ide_tf_read, -+ -+ .input_data = magicbox_ide_input_data, -+ .output_data = magicbox_ide_output_data, -+}; -+ -+static const struct ide_port_ops magicbox_ide_port_ops = { -+ .set_pio_mode = magicbox_ide_set_pio_mode, -+ .cable_detect = magicbox_ide_cable_detect, -+}; -+ -+static const struct ide_port_info magicbox_ide_port_info = { -+ .name = DRV_NAME, -+ .chipset = ide_generic, -+ .tp_ops = &magicbox_ide_tp_ops, -+ .port_ops = &magicbox_ide_port_ops, -+ .host_flags = IDE_HFLAG_SINGLE | -+ IDE_HFLAG_NO_DMA | -+ IDE_HFLAG_MMIO | -+ IDE_HFLAG_UNMASK_IRQS, -+ .pio_mask = ATA_PIO4, -+}; -+ -+static inline void magicbox_ide_setup_hw(hw_regs_t *hw, u16 __iomem *base, -+ u16 __iomem *ctrl, int irq) -+{ -+ unsigned long port = (unsigned long) base; -+ int i; -+ -+ memset(hw, 0, sizeof(*hw)); -+ for (i = 0; i <= 7; i++) -+ hw->io_ports_array[i] = port + i * 2; -+ -+ /* -+ * the IDE control register is at ATA address 6, -+ * with CS1 active instead of CS0 -+ */ -+ hw->io_ports.ctl_addr = (unsigned long)ctrl + (6 * 2); -+ -+ hw->irq = irq; -+ hw->chipset = ide_generic; -+ hw->ack_intr = NULL; -+} -+ -+static int __devinit magicbox_ide_of_probe(struct of_device *op, -+ const struct of_device_id *match) -+{ -+ hw_regs_t hw; -+ hw_regs_t *hws[] = { &hw, NULL, NULL, NULL }; -+ struct ide_host *host; -+ u16 __iomem *base; -+ u16 __iomem *ctrl; -+ int irq; -+ int ret = 0; -+ -+ irq = irq_of_parse_and_map(op->node, 0); -+ if (irq < 0) { -+ dev_err(&op->dev, "invalid irq\n"); -+ ret = -EINVAL; -+ goto err_exit; -+ } -+ -+ base = of_iomap(op->node, 0); -+ if (base == NULL) { -+ ret = -ENOMEM; -+ goto err_exit; -+ } -+ -+ ctrl = of_iomap(op->node, 1); -+ if (ctrl == NULL) { -+ ret = -ENOMEM; -+ goto err_unmap_base; -+ } -+ -+ magicbox_ide_setup_hw(&hw, base, ctrl, irq); -+ -+ hw.dev = &op->dev; -+ -+ ret = ide_host_add(&magicbox_ide_port_info, hws, &host); -+ if (ret) -+ goto err_unmap_ctrl; -+ -+ dev_set_drvdata(&op->dev, host); -+ -+ return 0; -+ -+ err_unmap_ctrl: -+ iounmap(ctrl); -+ err_unmap_base: -+ iounmap(base); -+ err_exit: -+ return ret; -+} -+ -+static struct of_device_id magicbox_ide_of_match[] = { -+ { .compatible = "magicbox-cf", }, -+ {}, -+}; -+ -+static struct of_platform_driver magicbox_ide_of_platform_driver = { -+ .owner = THIS_MODULE, -+ .name = DRV_NAME, -+ .match_table = magicbox_ide_of_match, -+ .probe = magicbox_ide_of_probe, -+ .driver = { -+ .name = DRV_NAME, -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init magicbox_ide_init(void) -+{ -+ return of_register_platform_driver(&magicbox_ide_of_platform_driver); -+} -+ -+module_init(magicbox_ide_init); -+ -+MODULE_DESCRIPTION(DRV_DESC); -+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); -+MODULE_LICENSE("GPL v2"); -+MODULE_DEVICE_TABLE(of, magicbox_ide_of_match); |