diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-09-06 16:27:37 +0000 | 
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-09-06 16:27:37 +0000 | 
| commit | 17c7b6c3fdc48301e50d22cc6138ede16bd1be24 (patch) | |
| tree | a5d41b991a151e72663527a96fbc6c494565d65c /target/linux/magicbox/files/drivers/ide | |
| parent | 5389989abaa52926b22f9f030d1481df1e73d745 (diff) | |
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/magicbox/files/drivers/ide')
| -rw-r--r-- | target/linux/magicbox/files/drivers/ide/ppc/magicbox_ide.c | 152 | 
1 files changed, 152 insertions, 0 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 new file mode 100644 index 000000000..2e29e8380 --- /dev/null +++ b/target/linux/magicbox/files/drivers/ide/ppc/magicbox_ide.c @@ -0,0 +1,152 @@ +/* Driver for MagicBox 2.0 onboard CompactFlash adapter. + * Written by Wojtek Kaniewski <wojtekka@toxygen.net> + * + * 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 IRQ 25 + +static int ide_offsets[IDE_NR_PORTS] = {0, 2, 4, 6, 8, 10, 12, 14, -1, -1}; + +static u8 magicbox_ide_inb (unsigned long port) +{ +	return (u8) (readw((void __iomem *) port) >> 8) & 255; +} + +static u16 magicbox_ide_inw (unsigned long port) +{ +	return (u16) readw((void __iomem *) port); +} + +static void magicbox_ide_insw (unsigned long port, void *addr, u32 count) +{ +	u16 *ptr; + +	for (ptr = addr; count--; ptr++) +		*ptr = readw((void __iomem *) port); +} + +static u32 magicbox_ide_inl (unsigned long port) +{ +	return (u32) readl((void __iomem *) port); +} + +static void magicbox_ide_insl (unsigned long port, void *addr, u32 count) +{ +	u32 *ptr; + +	for (ptr = addr; count--; ptr++) +		*ptr = readl((void __iomem *) port); +} + +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 void magicbox_ide_outw (u16 value, unsigned long port) +{ +	writew(value, (void __iomem *) port); +} + +static void magicbox_ide_outsw (unsigned long port, void *addr, u32 count) +{ +	u16 *ptr; + +	for (ptr = addr; count--; ptr++) +		writew(*ptr, (void __iomem *) port); +} + +static void magicbox_ide_outl (u32 value, unsigned long port) +{ +	writel(value, (void __iomem *) port); +} + +static 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 __init ide_magicbox_register(unsigned long addr, +					 unsigned long caddr, int irq) +{ +	hw_regs_t hw; +	ide_hwif_t *hwif; + +  	memset(&hw, 0, sizeof(hw)); +	ide_setup_ports(&hw, addr, ide_offsets, caddr + 12, 0, NULL,irq); + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) +	if (ide_register_hw(&hw, &hwif) != -1) +#else +	if (ide_register_hw(&hw, 1, &hwif) != -1) +#endif +	{ +		printk(KERN_NOTICE "magicbox-ide: Registered IDE-CF driver\n"); +		hwif->mmio = 2; +		hwif->drives[0].unmask = 1; +		hwif->OUTB = magicbox_ide_outb; +		hwif->OUTBSYNC = magicbox_ide_outbsync; +		hwif->OUTW = magicbox_ide_outw; +		hwif->OUTSW = magicbox_ide_outsw; +		hwif->OUTSL = magicbox_ide_outsl; +		hwif->INB = magicbox_ide_inb; +		hwif->INW = magicbox_ide_inw; +		hwif->INSW = magicbox_ide_insw; +		hwif->INSL = magicbox_ide_insl; +	} +} + +void __init ide_magicbox_init(void) +{ +	volatile u16 *addr; +	volatile u16 *caddr; + +	/* 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); + +	/* Remap physical address space */ +	addr = ioremap_nocache(0xff100000, 4096); +	caddr = ioremap_nocache(0xff200000, 4096); + +	/* Set interrupt to low-to-high-edge-triggered */ +	mtdcr(UIC0_TR, mfdcr(UIC0_TR) & ~(0x80000000L >> IRQ)); +	mtdcr(UIC0_PR, mfdcr(UIC0_PR) | (0x80000000L >> IRQ)); + +	ide_magicbox_register((unsigned long)addr, (unsigned long)caddr, IRQ); +} + | 
