diff options
| author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-11-26 10:06:34 +0000 | 
|---|---|---|
| committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-11-26 10:06:34 +0000 | 
| commit | 5451333e82caa06855bb8a55e126171845e72799 (patch) | |
| tree | 8d27069f3352e5274a253fafb87812df4d1e3d3e /target/linux/magicbox/files/drivers | |
| parent | 43e9cfe99d6b77f8960ddb70eea520309d4f5999 (diff) | |
nuke the magicbox target and incorporate a rewritten port into ppc40x - note: no CF driver for now
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13358 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/magicbox/files/drivers')
| -rw-r--r-- | target/linux/magicbox/files/drivers/ide/ppc/magicbox_ide.c | 301 | 
1 files changed, 0 insertions, 301 deletions
| diff --git a/target/linux/magicbox/files/drivers/ide/ppc/magicbox_ide.c b/target/linux/magicbox/files/drivers/ide/ppc/magicbox_ide.c deleted file mode 100644 index 0bc62f2de..000000000 --- a/target/linux/magicbox/files/drivers/ide/ppc/magicbox_ide.c +++ /dev/null @@ -1,301 +0,0 @@ -/* - * Driver for MagicBox 2.0 onboard CompactFlash adapter. - * - * Written by Wojtek Kaniewski <wojtekka@toxygen.net> - * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org> - * - * GNU General Public License. - */ - -#include <linux/version.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/blkdev.h> -#include <linux/hdreg.h> -#include <linux/ide.h> -#include <linux/delay.h> -#include <linux/platform_device.h> - -#define UIC0_PR		0xc4 -#define UIC0_TR		0xc5 -#define MAGICBOX_CF_IRQ	25 - -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 void magicbox_ide_outbsync(ide_drive_t *drive, 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_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; - -	ide_set_irq(drive, 1); - -	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.all, -			     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(drive->ctl & ~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(drive->ctl | 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 __init 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 __init magibox_ide_probe(void) -{ -	hw_regs_t hw; -	ide_hwif_t *hwif; -	u16 __iomem *base; -	u16 __iomem *ctrl; -	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; -	int err; - -	/* Remap physical address space */ -	base = ioremap_nocache(0xff100000, 4096); -	if (base == NULL) { -		err = -EBUSY; -		goto err_out; -	} - -	ctrl = ioremap_nocache(0xff200000, 4096); -	if (ctrl == NULL) { -		err = -EBUSY; -		goto err_unmap_base; -	} - -	magicbox_ide_setup_hw(&hw, base, ctrl, MAGICBOX_CF_IRQ); - -	hwif = ide_find_port(); -	if (!hwif) { -		err = -ENODEV; -		goto err_unmap_ctrl; -	} - -	ide_init_port_data(hwif, hwif->index); -	ide_init_port_hw(hwif, &hw); - -	hwif->host_flags = IDE_HFLAG_MMIO; - -	hwif->tf_load = magicbox_ide_tf_load; -	hwif->tf_read = magicbox_ide_tf_read; - -	hwif->input_data  = magicbox_ide_input_data; -	hwif->output_data = magicbox_ide_output_data; - -	hwif->drives[0].unmask = 1; -	hwif->OUTB = magicbox_ide_outb; -	hwif->OUTBSYNC = magicbox_ide_outbsync; -	hwif->INB = magicbox_ide_inb; - -	printk(KERN_INFO "ide%d: Magicbox CF interface\n", hwif->index); - -	idx[0] = hwif->index; - -	ide_device_add(idx, NULL); - -	return 0; - -err_unmap_ctrl: -	iounmap(ctrl); -err_unmap_base: -	iounmap(base); -err_out: -	return err; -} - -static int __init magicbox_ide_init(void) -{ -	/* Turn on PerWE instead of PCIsomething */ -	mtdcr(DCRN_CPC0_PCI_BASE, -			mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27)); - -	/* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */ -	mtdcr(DCRN_EBC_BASE, 1); -	mtdcr(DCRN_EBC_BASE + 1, 0xff11a000); -	mtdcr(DCRN_EBC_BASE, 0x11); -	mtdcr(DCRN_EBC_BASE + 1, 0x080bd800); - -	/* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */ -	mtdcr(DCRN_EBC_BASE, 2); -	mtdcr(DCRN_EBC_BASE + 1, 0xff21a000); -	mtdcr(DCRN_EBC_BASE, 0x12); -	mtdcr(DCRN_EBC_BASE + 1, 0x080bd800); - -	/* Set interrupt to low-to-high-edge-triggered */ -	mtdcr(UIC0_TR, mfdcr(UIC0_TR) & ~(0x80000000L >> MAGICBOX_CF_IRQ)); -	mtdcr(UIC0_PR, mfdcr(UIC0_PR) | (0x80000000L >> MAGICBOX_CF_IRQ)); - -	return magibox_ide_probe(); -} - -module_init(magicbox_ide_init); - -MODULE_LICENSE("GPL"); | 
