URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-sparc/] [ide.h] - Rev 1774
Go to most recent revision | Compare with Previous | Blame | View Log
/* $Id: ide.h,v 1.1.1.1 2004-04-15 02:40:23 phoenix Exp $ * ide.h: SPARC PCI specific IDE glue. * * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) * Adaptation from sparc64 version to sparc by Pete Zaitcev. */ #ifndef _SPARC_IDE_H #define _SPARC_IDE_H #ifdef __KERNEL__ #include <linux/config.h> #include <asm/pgtable.h> #include <asm/io.h> #include <asm/hdreg.h> #include <asm/psr.h> #undef MAX_HWIFS #define MAX_HWIFS 2 static __inline__ int ide_default_irq(ide_ioreg_t base) { return 0; } static __inline__ ide_ioreg_t ide_default_io_base(int index) { return 0; } /* * Doing any sort of ioremap() here does not work * because this function may be called with null aguments. */ static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq) { ide_ioreg_t reg = data_port; int i; for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { hw->io_ports[i] = reg; reg += 1; } if (ctrl_port) { hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port; } else { hw->io_ports[IDE_CONTROL_OFFSET] = 0; } if (irq != NULL) *irq = 0; hw->io_ports[IDE_IRQ_OFFSET] = 0; } /* * This registers the standard ports for this architecture with the IDE * driver. */ static __inline__ void ide_init_default_hwifs(void) { #ifndef CONFIG_BLK_DEV_IDEPCI hw_regs_t hw; int index; for (index = 0; index < MAX_HWIFS; index++) { ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL); hw.irq = ide_default_irq(ide_default_io_base(index)); ide_register_hw(&hw, NULL); } #endif /* CONFIG_BLK_DEV_IDEPCI */ } #undef SUPPORT_SLOW_DATA_PORTS #define SUPPORT_SLOW_DATA_PORTS 0 #undef SUPPORT_VLB_SYNC #define SUPPORT_VLB_SYNC 0 #undef HD_DATA #define HD_DATA ((ide_ioreg_t)0) /* From m68k code... */ #ifdef insl #undef insl #endif #ifdef outsl #undef outsl #endif #ifdef insw #undef insw #endif #ifdef outsw #undef outsw #endif #define insl(data_reg, buffer, wcount) insw(data_reg, buffer, (wcount)<<1) #define outsl(data_reg, buffer, wcount) outsw(data_reg, buffer, (wcount)<<1) #define insw(port, buf, nr) ide_insw((port), (buf), (nr)) #define outsw(port, buf, nr) ide_outsw((port), (buf), (nr)) static __inline__ void ide_insw(unsigned long port, void *dst, unsigned long count) { volatile unsigned short *data_port; /* unsigned long end = (unsigned long)dst + (count << 1); */ /* P3 */ u16 *ps = dst; u32 *pi; data_port = (volatile unsigned short *)port; if(((unsigned long)ps) & 0x2) { *ps++ = *data_port; count--; } pi = (u32 *)ps; while(count >= 2) { u32 w; w = (*data_port) << 16; w |= (*data_port); *pi++ = w; count -= 2; } ps = (u16 *)pi; if(count) *ps++ = *data_port; /* __flush_dcache_range((unsigned long)dst, end); */ /* P3 see hme */ } static __inline__ void ide_outsw(unsigned long port, const void *src, unsigned long count) { volatile unsigned short *data_port; /* unsigned long end = (unsigned long)src + (count << 1); */ const u16 *ps = src; const u32 *pi; data_port = (volatile unsigned short *)port; if(((unsigned long)src) & 0x2) { *data_port = *ps++; count--; } pi = (const u32 *)ps; while(count >= 2) { u32 w; w = *pi++; *data_port = (w >> 16); *data_port = w; count -= 2; } ps = (const u16 *)pi; if(count) *data_port = *ps; /* __flush_dcache_range((unsigned long)src, end); */ /* P3 see hme */ } #endif /* __KERNEL__ */ #endif /* _SPARC_IDE_H */
Go to most recent revision | Compare with Previous | Blame | View Log