Commit b700a3d5 authored by Yoshinori Sato's avatar Yoshinori Sato Committed by Benjamin Herrenschmidt

[PATCH] H8/300 io.h bussizing problem fix

- fix warning
- byte swap miss fix
- 16bit bus access problem fix
parent 26d5929e
......@@ -27,10 +27,10 @@
void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
{
outb(H8300_TIMER_COUNT_DATA,TCORA2);
outb(0x00,_8TCSR2);
ctrl_outb(H8300_TIMER_COUNT_DATA,TCORA2);
ctrl_outb(0x00,_8TCSR2);
request_irq(40,timer_int,0,"timer",0);
outb(0x40|0x08|0x03,_8TCR2);
ctrl_outb(0x40|0x08|0x03,_8TCR2);
}
void platform_timer_eoi(void)
......
......@@ -29,13 +29,14 @@ extern int request_irq_boot(unsigned int,
#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
#include <asm/regs306x.h>
#define CMFA 6
int platform_timer_setup(void (*timer_int)(int, void *, struct pt_regs *))
{
outb(H8300_TIMER_COUNT_DATA,TMR8CMA2);
outb(0x00,TMR8TCSR2);
request_irq_boot(40,timer_int,0,"timer",0);
outb(0x40|0x08|0x03,TMR8TCNT2);
ctrl_outb(H8300_TIMER_COUNT_DATA,TCORA2);
ctrl_outb(0x00,_8TCSR2);
request_irq(40,timer_int,0,"timer",0);
ctrl_outb(0x40|0x08|0x03,_8TCR2);
return 0;
}
......@@ -65,19 +66,19 @@ int platform_timer_setup(void (*timer_int)(int, void *, struct pt_regs *))
{
*(unsigned short *)GRA= H8300_TIMER_COUNT_DATA;
*(unsigned short *)TCNT=0;
outb(0x23,TCR);
outb(0x00,TIOR);
ctrl_outb(0x23,TCR);
ctrl_outb(0x00,TIOR);
request_timer_irq(26,timer_int,0,"timer",0);
outb(inb(TIER) | 0x01,TIER);
outb(inb(TSNC) & ~0x01,TSNC);
outb(inb(TMDR) & ~0x01,TMDR);
outb(inb(TSTR) | 0x01,TSTR);
ctrl_outb(inb(TIER) | 0x01,TIER);
ctrl_outb(inb(TSNC) & ~0x01,TSNC);
ctrl_outb(inb(TMDR) & ~0x01,TMDR);
ctrl_outb(inb(TSTR) | 0x01,TSTR);
return 0;
}
void platform_timer_eoi(void)
{
outb(inb(TSR) & ~0x01,TSR);
ctrl_outb(inb(TSR) & ~0x01,TSR);
}
#endif
......
......@@ -27,10 +27,10 @@
void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
{
outb(H8300_TIMER_COUNT_DATA,TCORA2);
outb(0x00,_8TCSR2);
ctrl_outb(H8300_TIMER_COUNT_DATA,TCORA2);
ctrl_outb(0x00,_8TCSR2);
request_irq(40,timer_int,0,"timer",0);
outb(0x40|0x08|0x03,_8TCR2);
ctrl_outb(0x40|0x08|0x03,_8TCR2);
}
void platform_timer_eoi(void)
......
......@@ -29,13 +29,13 @@
int __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
{
unsigned char mstpcrl;
mstpcrl = inb(MSTPCRL); /* Enable timer */
mstpcrl = ctrl_inb(MSTPCRL); /* Enable timer */
mstpcrl &= ~0x01;
outb(mstpcrl,MSTPCRL);
outb(H8300_TIMER_COUNT_DATA,_8TCORA1);
outb(0x00,_8TCSR1);
ctrl_outb(mstpcrl,MSTPCRL);
ctrl_outb(H8300_TIMER_COUNT_DATA,_8TCORA1);
ctrl_outb(0x00,_8TCSR1);
request_irq(76,timer_int,0,"timer",0);
outb(0x40|0x08|0x03,_8TCR1);
ctrl_outb(0x40|0x08|0x03,_8TCR1);
return 0;
}
......
......@@ -25,10 +25,10 @@
int platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
{
outb(H8300_TIMER_COUNT_DATA,_8TCORA1);
outb(0x00,_8TCSR1);
ctrl_outb(H8300_TIMER_COUNT_DATA,_8TCORA1);
ctrl_outb(0x00,_8TCSR1);
request_irq(76,timer_int,0,"timer",0);
outb(0x40|0x08|0x03,_8TCR1);
ctrl_outb(0x40|0x08|0x03,_8TCR1);
return 0;
}
......
......@@ -6,6 +6,15 @@
#include <linux/config.h>
#include <asm/virtconvert.h>
#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
#include <asm/regs306x.h>
#elif defined(CONFIG_H8S2678)
#include <asm/regs2678.h>
#else
#error UNKNOWN CPU TYPE
#endif
/*
* These are for ISA/PCI shared memory _only_ and should never be used
* on any other type of memory, including Zorro memory. They are meant to
......@@ -30,6 +39,7 @@
* 020325 Added some #define's for the COBRA5272 board
* (hede)
*/
static inline unsigned short _swapw(volatile unsigned short v)
{
return ((v << 8) | (v >> 8));
......@@ -41,20 +51,19 @@ static inline unsigned int _swapl(volatile unsigned long v)
}
#define readb(addr) \
({ unsigned char __v = (*(volatile unsigned char *) (addr & 0x00ffffff)); __v; })
({ unsigned char __v = (*(volatile unsigned char *) ((addr) & 0x00ffffff)); __v; })
#define readw(addr) \
({ unsigned short __v = (*(volatile unsigned short *) (addr & 0x00ffffff)); __v; })
({ unsigned short __v = (*(volatile unsigned short *) ((addr) & 0x00ffffff)); __v; })
#define readl(addr) \
({ unsigned int __v = (*(volatile unsigned int *) (addr & 0x00ffffff)); __v; })
({ unsigned int __v = (*(volatile unsigned int *) ((addr) & 0x00ffffff)); __v; })
#define writeb(b,addr) (void)((*(volatile unsigned char *) ((addr) & 0x00ffffff)) = (b))
#define writew(b,addr) (void)((*(volatile unsigned short *) ((addr) & 0x00ffffff)) = (b))
#define writel(b,addr) (void)((*(volatile unsigned int *) ((addr) & 0x00ffffff)) = (b))
#define readb_relaxed(addr) readb(addr)
#define readw_relaxed(addr) readw(addr)
#define readl_relaxed(addr) readl(addr)
#define writeb(b,addr) (void)((*(volatile unsigned char *) (addr & 0x00ffffff)) = (b))
#define writew(b,addr) (void)((*(volatile unsigned short *) (addr & 0x00ffffff)) = (b))
#define writel(b,addr) (void)((*(volatile unsigned int *) (addr & 0x00ffffff)) = (b))
#define __raw_readb readb
#define __raw_readw readw
#define __raw_readl readl
......@@ -62,12 +71,24 @@ static inline unsigned int _swapl(volatile unsigned long v)
#define __raw_writew writew
#define __raw_writel writel
static inline int h8300_buswidth(unsigned int addr)
{
return (*(volatile unsigned char *)ABWCR & (1 << (addr >> 21) & 7)) == 0;
}
static inline void io_outsb(unsigned int addr, void *buf, int len)
{
volatile unsigned char *ap = (volatile unsigned char *) addr;
volatile unsigned char *ap_b = (volatile unsigned char *) addr;
volatile unsigned short *ap_w = (volatile unsigned short *) addr;
unsigned char *bp = (unsigned char *) buf;
while (len--)
*ap = *bp++;
if(h8300_buswidth(addr) && (addr & 1)) {
while (len--)
*ap_w = *bp++;
} else {
while (len--)
*ap_b = *bp++;
}
}
static inline void io_outsw(unsigned int addr, void *buf, int len)
......@@ -75,7 +96,7 @@ static inline void io_outsw(unsigned int addr, void *buf, int len)
volatile unsigned short *ap = (volatile unsigned short *) addr;
unsigned short *bp = (unsigned short *) buf;
while (len--)
*ap = _swapw(*bp++);
*ap = *bp++;
}
static inline void io_outsl(unsigned int addr, void *buf, int len)
......@@ -83,13 +104,18 @@ static inline void io_outsl(unsigned int addr, void *buf, int len)
volatile unsigned int *ap = (volatile unsigned int *) addr;
unsigned int *bp = (unsigned int *) buf;
while (len--)
*ap = _swapl(*bp++);
*ap = *bp++;
}
static inline void io_insb(unsigned int addr, void *buf, int len)
{
volatile unsigned char *ap = (volatile unsigned char *) addr;
volatile unsigned char *ap;
unsigned char *bp = (unsigned char *) buf;
if(h8300_buswidth(addr))
ap = (volatile unsigned char *)(addr ^ 1);
else
ap = (volatile unsigned char *)addr;
while (len--)
*bp++ = *ap;
}
......@@ -99,7 +125,7 @@ static inline void io_insw(unsigned int addr, void *buf, int len)
volatile unsigned short *ap = (volatile unsigned short *) addr;
unsigned short *bp = (unsigned short *) buf;
while (len--)
*bp++ = _swapw(*ap);
*bp++ = *ap;
}
static inline void io_insl(unsigned int addr, void *buf, int len)
......@@ -107,7 +133,7 @@ static inline void io_insl(unsigned int addr, void *buf, int len)
volatile unsigned int *ap = (volatile unsigned int *) addr;
unsigned int *bp = (unsigned int *) buf;
while (len--)
*bp++ = _swapl(*ap);
*bp++ = *ap;
}
/*
......@@ -119,12 +145,12 @@ static inline void io_insl(unsigned int addr, void *buf, int len)
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
#define inb(addr) readb(addr)
#define inw(addr) readw(addr)
#define inl(addr) readl(addr)
#define outb(x,addr) ((void) writeb(x,addr))
#define outw(x,addr) ((void) writew(x,addr))
#define outl(x,addr) ((void) writel(x,addr))
#define inb(addr) ((h8300_buswidth(addr))?readb(addr ^ 1) & 0xff:readb(addr))
#define inw(addr) _swapw(readw(addr))
#define inl(addr) _swapl(readl(addr))
#define outb(x,addr) ((void)((h8300_buswidth(addr) && (addr & 1))?writew(x,addr):writeb(x,addr)))
#define outw(x,addr) ((void) writew(_swapw(x),addr))
#define outl(x,addr) ((void) writel(_swapl(x),addr))
#define inb_p(addr) inb(addr)
#define inw_p(addr) inw(addr)
......@@ -153,19 +179,19 @@ static inline void io_insl(unsigned int addr, void *buf, int len)
extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
extern void __iounmap(void *addr, unsigned long size);
extern inline void *ioremap(unsigned long physaddr, unsigned long size)
static inline void *ioremap(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
extern inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
static inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
extern inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size)
static inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
}
extern inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size)
static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
}
......
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