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Diffstat (limited to 'arch/sparc/include/asm/floppy_32.h')
-rw-r--r--arch/sparc/include/asm/floppy_32.h45
1 files changed, 13 insertions, 32 deletions
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index 698d9559fea..fb3f16954c6 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -12,7 +12,6 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/idprom.h>
-#include <asm/machines.h>
#include <asm/oplib.h>
#include <asm/auxio.h>
#include <asm/irq.h>
@@ -103,25 +102,13 @@ static struct sun_floppy_ops sun_fdops;
/* Routines unique to each controller type on a Sun. */
static void sun_set_dor(unsigned char value, int fdc_82077)
{
- if (sparc_cpu_model == sun4c) {
- unsigned int bits = 0;
- if (value & 0x10)
- bits |= AUXIO_FLPY_DSEL;
- if ((value & 0x80) == 0)
- bits |= AUXIO_FLPY_EJCT;
- set_auxio(bits, (~bits) & (AUXIO_FLPY_DSEL|AUXIO_FLPY_EJCT));
- }
- if (fdc_82077) {
+ if (fdc_82077)
sun_fdc->dor_82077 = value;
- }
}
static unsigned char sun_read_dir(void)
{
- if (sparc_cpu_model == sun4c)
- return (get_auxio() & AUXIO_FLPY_DCHG) ? 0x80 : 0;
- else
- return sun_fdc->dir_82077;
+ return sun_fdc->dir_82077;
}
static unsigned char sun_82072_fd_inb(int port)
@@ -242,10 +229,7 @@ static inline void virtual_dma_init(void)
static inline void sun_fd_disable_dma(void)
{
doing_pdma = 0;
- if (pdma_base) {
- mmu_unlockarea(pdma_base, pdma_areasize);
- pdma_base = NULL;
- }
+ pdma_base = NULL;
}
static inline void sun_fd_set_dma_mode(int mode)
@@ -275,7 +259,6 @@ static inline void sun_fd_set_dma_count(int length)
static inline void sun_fd_enable_dma(void)
{
- pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
pdma_base = pdma_vaddr;
pdma_areasize = pdma_size;
}
@@ -301,38 +284,36 @@ static int sun_floppy_init(void)
{
struct platform_device *op;
struct device_node *dp;
+ struct resource r;
char state[128];
- phandle tnode, fd_node;
+ phandle fd_node;
+ phandle tnode;
int num_regs;
- struct resource r;
use_virtual_dma = 1;
/* Forget it if we aren't on a machine that could possibly
* ever have a floppy drive.
*/
- if((sparc_cpu_model != sun4c && sparc_cpu_model != sun4m) ||
- ((idprom->id_machtype == (SM_SUN4C | SM_4C_SLC)) ||
- (idprom->id_machtype == (SM_SUN4C | SM_4C_ELC)))) {
+ if (sparc_cpu_model != sun4m) {
/* We certainly don't have a floppy controller. */
goto no_sun_fdc;
}
/* Well, try to find one. */
tnode = prom_getchild(prom_root_node);
fd_node = prom_searchsiblings(tnode, "obio");
- if(fd_node != 0) {
+ if (fd_node != 0) {
tnode = prom_getchild(fd_node);
fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo");
} else {
fd_node = prom_searchsiblings(tnode, "fd");
}
- if(fd_node == 0) {
+ if (fd_node == 0) {
goto no_sun_fdc;
}
/* The sun4m lets us know if the controller is actually usable. */
- if(sparc_cpu_model == sun4m &&
- prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) {
+ if (prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) {
if(!strcmp(state, "disabled")) {
goto no_sun_fdc;
}
@@ -343,12 +324,12 @@ static int sun_floppy_init(void)
memset(&r, 0, sizeof(r));
r.flags = fd_regs[0].which_io;
r.start = fd_regs[0].phys_addr;
- sun_fdc = (struct sun_flpy_controller *)
- of_ioremap(&r, 0, fd_regs[0].reg_size, "floppy");
+ sun_fdc = of_ioremap(&r, 0, fd_regs[0].reg_size, "floppy");
/* Look up irq in platform_device.
* We try "SUNW,fdtwo" and "fd"
*/
+ op = NULL;
for_each_node_by_name(dp, "SUNW,fdtwo") {
op = of_find_device_by_node(dp);
if (op)
@@ -367,7 +348,7 @@ static int sun_floppy_init(void)
FLOPPY_IRQ = op->archdata.irqs[0];
/* Last minute sanity check... */
- if(sun_fdc->status_82072 == 0xff) {
+ if (sun_fdc->status_82072 == 0xff) {
sun_fdc = NULL;
goto no_sun_fdc;
}