1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* ide.h: SPARC PCI specific IDE glue.
6 * Adaptation from sparc64 version to sparc by Pete Zaitcev.
16 #include <asm/pgalloc.h>
17 #include <asm/spitfire.h>
18 #include <asm/cacheflush.h>
21 #include <asm/pgtable.h>
25 #define __ide_insl(data_reg, buffer, wcount) \
26 __ide_insw(data_reg, buffer, (wcount)<<1)
27 #define __ide_outsl(data_reg, buffer, wcount) \
28 __ide_outsw(data_reg, buffer, (wcount)<<1)
30 /* On sparc, I/O ports and MMIO registers are accessed identically. */
31 #define __ide_mm_insw __ide_insw
32 #define __ide_mm_insl __ide_insl
33 #define __ide_mm_outsw __ide_outsw
34 #define __ide_mm_outsl __ide_outsl
36 static inline void __ide_insw(void __iomem *port, void *dst, u32 count)
38 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
39 unsigned long end = (unsigned long)dst + (count << 1);
44 if(((unsigned long)ps) & 0x2) {
45 *ps++ = __raw_readw(port);
52 w = __raw_readw(port) << 16;
53 w |= __raw_readw(port);
59 *ps++ = __raw_readw(port);
61 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
62 __flush_dcache_range((unsigned long)dst, end);
66 static inline void __ide_outsw(void __iomem *port, const void *src, u32 count)
68 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
69 unsigned long end = (unsigned long)src + (count << 1);
74 if(((unsigned long)src) & 0x2) {
75 __raw_writew(*ps++, port);
83 __raw_writew((w >> 16), port);
84 __raw_writew(w, port);
89 __raw_writew(*ps, port);
91 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
92 __flush_dcache_range((unsigned long)src, end);
96 #endif /* __KERNEL__ */
98 #endif /* _SPARC_IDE_H */