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path: root/drivers/ide/h8300/ide-h8300.c
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Diffstat (limited to 'drivers/ide/h8300/ide-h8300.c')
-rw-r--r--drivers/ide/h8300/ide-h8300.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c
deleted file mode 100644
index fb91cb8bf2d..00000000000
--- a/drivers/ide/h8300/ide-h8300.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * drivers/ide/ide-h8300.c
- * H8/300 generic IDE interface
- */
-
-#include <linux/init.h>
-#include <linux/ide.h>
-#include <linux/config.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-
-#define bswap(d) \
-({ \
- u16 r; \
- __asm__("mov.b %w1,r1h\n\t" \
- "mov.b %x1,r1l\n\t" \
- "mov.w r1,%0" \
- :"=r"(r) \
- :"r"(d) \
- :"er1"); \
- (r); \
-})
-
-static void mm_outw(u16 d, unsigned long a)
-{
- __asm__("mov.b %w0,r2h\n\t"
- "mov.b %x0,r2l\n\t"
- "mov.w r2,@%1"
- :
- :"r"(d),"r"(a)
- :"er2");
-}
-
-static u16 mm_inw(unsigned long a)
-{
- register u16 r __asm__("er0");
- __asm__("mov.w @%1,r2\n\t"
- "mov.b r2l,%x0\n\t"
- "mov.b r2h,%w0"
- :"=r"(r)
- :"r"(a)
- :"er2");
- return r;
-}
-
-static void mm_outsw(unsigned long addr, void *buf, u32 len)
-{
- unsigned short *bp = (unsigned short *)buf;
- for (; len > 0; len--, bp++)
- *(volatile u16 *)addr = bswap(*bp);
-}
-
-static void mm_insw(unsigned long addr, void *buf, u32 len)
-{
- unsigned short *bp = (unsigned short *)buf;
- for (; len > 0; len--, bp++)
- *bp = bswap(*(volatile u16 *)addr);
-}
-
-#define H8300_IDE_GAP (2)
-
-static inline void hw_setup(hw_regs_t *hw)
-{
- int i;
-
- memset(hw, 0, sizeof(hw_regs_t));
- for (i = 0; i <= IDE_STATUS_OFFSET; i++)
- hw->io_ports[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i;
- hw->io_ports[IDE_CONTROL_OFFSET] = CONFIG_H8300_IDE_ALT;
- hw->irq = EXT_IRQ0 + CONFIG_H8300_IDE_IRQ;
- hw->dma = NO_DMA;
- hw->chipset = ide_generic;
-}
-
-static inline void hwif_setup(ide_hwif_t *hwif)
-{
- default_hwif_iops(hwif);
-
- hwif->mmio = 2;
- hwif->OUTW = mm_outw;
- hwif->OUTSW = mm_outsw;
- hwif->INW = mm_inw;
- hwif->INSW = mm_insw;
- hwif->OUTL = NULL;
- hwif->INL = NULL;
- hwif->OUTSL = NULL;
- hwif->INSL = NULL;
-}
-
-void __init h8300_ide_init(void)
-{
- hw_regs_t hw;
- ide_hwif_t *hwif;
- int idx;
-
- if (!request_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8, "ide-h8300"))
- goto out_busy;
- if (!request_region(CONFIG_H8300_IDE_ALT, H8300_IDE_GAP, "ide-h8300")) {
- release_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8);
- goto out_busy;
- }
-
- hw_setup(&hw);
-
- /* register if */
- idx = ide_register_hw(&hw, &hwif);
- if (idx == -1) {
- printk(KERN_ERR "ide-h8300: IDE I/F register failed\n");
- return;
- }
-
- hwif_setup(hwif);
- printk(KERN_INFO "ide%d: H8/300 generic IDE interface\n", idx);
- return;
-
-out_busy:
- printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n");
-}