diff options
Diffstat (limited to 'arch/m68k/include/asm')
| -rw-r--r-- | arch/m68k/include/asm/atarihw.h | 6 | ||||
| -rw-r--r-- | arch/m68k/include/asm/atariints.h | 11 | ||||
| -rw-r--r-- | arch/m68k/include/asm/cmpxchg.h | 3 | ||||
| -rw-r--r-- | arch/m68k/include/asm/delay.h | 23 | ||||
| -rw-r--r-- | arch/m68k/include/asm/io_mm.h | 136 | ||||
| -rw-r--r-- | arch/m68k/include/asm/irq.h | 6 | ||||
| -rw-r--r-- | arch/m68k/include/asm/raw_io.h | 109 | ||||
| -rw-r--r-- | arch/m68k/include/asm/string.h | 14 |
8 files changed, 285 insertions, 23 deletions
diff --git a/arch/m68k/include/asm/atarihw.h b/arch/m68k/include/asm/atarihw.h index c0cb363..d887050 100644 --- a/arch/m68k/include/asm/atarihw.h +++ b/arch/m68k/include/asm/atarihw.h @@ -805,5 +805,11 @@ struct MSTE_RTC { #define mste_rtc ((*(volatile struct MSTE_RTC *)MSTE_RTC_BAS)) +/* +** EtherNAT add-on card for Falcon - combined ethernet and USB adapter +*/ + +#define ATARI_ETHERNAT_PHYS_ADDR 0x80000000 + #endif /* linux/atarihw.h */ diff --git a/arch/m68k/include/asm/atariints.h b/arch/m68k/include/asm/atariints.h index 5fc13bd..953e0ac 100644 --- a/arch/m68k/include/asm/atariints.h +++ b/arch/m68k/include/asm/atariints.h @@ -32,7 +32,7 @@ #define VME_SOURCE_BASE 56 #define VME_MAX_SOURCES 16 -#define NUM_ATARI_SOURCES (VME_SOURCE_BASE+VME_MAX_SOURCES-STMFP_SOURCE_BASE) +#define NUM_ATARI_SOURCES 141 /* convert vector number to int source number */ #define IRQ_VECTOR_TO_SOURCE(v) ((v) - ((v) < 0x20 ? 0x18 : (0x40-8))) @@ -94,6 +94,15 @@ #define IRQ_SCCA_RX (52) #define IRQ_SCCA_SPCOND (54) +/* shared MFP timer D interrupts - hires timer for EtherNEC et al. */ +#define IRQ_MFP_TIMER1 (64) +#define IRQ_MFP_TIMER2 (65) +#define IRQ_MFP_TIMER3 (66) +#define IRQ_MFP_TIMER4 (67) +#define IRQ_MFP_TIMER5 (68) +#define IRQ_MFP_TIMER6 (69) +#define IRQ_MFP_TIMER7 (70) +#define IRQ_MFP_TIMER8 (71) #define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */ #define INT_TICKS 246 /* to make sched_time = 99.902... HZ */ diff --git a/arch/m68k/include/asm/cmpxchg.h b/arch/m68k/include/asm/cmpxchg.h index 5c81d0e..bc755bc 100644 --- a/arch/m68k/include/asm/cmpxchg.h +++ b/arch/m68k/include/asm/cmpxchg.h @@ -124,6 +124,9 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old, #define cmpxchg_local(ptr, o, n) \ ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \ (unsigned long)(n), sizeof(*(ptr)))) + +#define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n)) + #else /* diff --git a/arch/m68k/include/asm/delay.h b/arch/m68k/include/asm/delay.h index 12d8fe4..d28fa8f 100644 --- a/arch/m68k/include/asm/delay.h +++ b/arch/m68k/include/asm/delay.h @@ -92,5 +92,28 @@ static inline void __udelay(unsigned long usecs) #define udelay(n) (__builtin_constant_p(n) ? \ ((n) > 20000 ? __bad_udelay() : __const_udelay(n)) : __udelay(n)) +/* + * nanosecond delay: + * + * ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6) is the number of loops + * per microsecond + * + * 1000 / ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6) is the number of + * nanoseconds per loop + * + * So n / ( 1000 / ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6) ) would + * be the number of loops for n nanoseconds + */ + +/* + * The simpler m68k and ColdFire processors do not have a 32*32->64 + * multiply instruction. So we need to handle them a little differently. + * We use a bit of shifting and a single 32*32->32 multiply to get close. + * This is a macro so that the const version can factor out the first + * multiply and shift. + */ +#define HZSCALE (268435456 / (1000000 / HZ)) + +#define ndelay(n) __delay(DIV_ROUND_UP((n) * ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6), 1000)); #endif /* defined(_M68K_DELAY_H) */ diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index a6686d2..ffdf54f4 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -63,6 +63,23 @@ #endif #endif /* AMIGA_PCMCIA */ +#ifdef CONFIG_ATARI_ROM_ISA + +#define enec_isa_read_base 0xfffa0000 +#define enec_isa_write_base 0xfffb0000 + +#define ENEC_ISA_IO_B(ioaddr) (enec_isa_read_base+((((unsigned long)(ioaddr))&0x7F)<<9)) +#define ENEC_ISA_IO_W(ioaddr) (enec_isa_read_base+((((unsigned long)(ioaddr))&0x7F)<<9)) +#define ENEC_ISA_MEM_B(madr) (enec_isa_read_base+((((unsigned long)(madr))&0x7F)<<9)) +#define ENEC_ISA_MEM_W(madr) (enec_isa_read_base+((((unsigned long)(madr))&0x7F)<<9)) + +#ifndef MULTI_ISA +#define MULTI_ISA 0 +#else +#undef MULTI_ISA +#define MULTI_ISA 1 +#endif +#endif /* ATARI_ROM_ISA */ #if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE) @@ -111,14 +128,15 @@ void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len); #define readw(addr) in_le16(addr) #define writew(v, addr) out_le16((addr), (v)) -#elif defined(CONFIG_ISA) +#elif defined(CONFIG_ISA) || defined(CONFIG_ATARI_ROM_ISA) #if MULTI_ISA == 0 #undef MULTI_ISA #endif -#define ISA_TYPE_Q40 (1) -#define ISA_TYPE_AG (2) +#define ISA_TYPE_Q40 (1) +#define ISA_TYPE_AG (2) +#define ISA_TYPE_ENEC (3) #if defined(CONFIG_Q40) && !defined(MULTI_ISA) #define ISA_TYPE ISA_TYPE_Q40 @@ -128,6 +146,10 @@ void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len); #define ISA_TYPE ISA_TYPE_AG #define ISA_SEX 1 #endif +#if defined(CONFIG_ATARI_ROM_ISA) && !defined(MULTI_ISA) +#define ISA_TYPE ISA_TYPE_ENEC +#define ISA_SEX 0 +#endif #ifdef MULTI_ISA extern int isa_type; @@ -152,6 +174,9 @@ static inline u8 __iomem *isa_itb(unsigned long addr) #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)AG_ISA_IO_B(addr); #endif +#ifdef CONFIG_ATARI_ROM_ISA + case ISA_TYPE_ENEC: return (u8 __iomem *)ENEC_ISA_IO_B(addr); +#endif default: return NULL; /* avoid warnings, just in case */ } } @@ -165,6 +190,9 @@ static inline u16 __iomem *isa_itw(unsigned long addr) #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)AG_ISA_IO_W(addr); #endif +#ifdef CONFIG_ATARI_ROM_ISA + case ISA_TYPE_ENEC: return (u16 __iomem *)ENEC_ISA_IO_W(addr); +#endif default: return NULL; /* avoid warnings, just in case */ } } @@ -188,6 +216,9 @@ static inline u8 __iomem *isa_mtb(unsigned long addr) #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)addr; #endif +#ifdef CONFIG_ATARI_ROM_ISA + case ISA_TYPE_ENEC: return (u8 __iomem *)ENEC_ISA_MEM_B(addr); +#endif default: return NULL; /* avoid warnings, just in case */ } } @@ -201,6 +232,9 @@ static inline u16 __iomem *isa_mtw(unsigned long addr) #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)addr; #endif +#ifdef CONFIG_ATARI_ROM_ISA + case ISA_TYPE_ENEC: return (u16 __iomem *)ENEC_ISA_MEM_W(addr); +#endif default: return NULL; /* avoid warnings, just in case */ } } @@ -222,6 +256,36 @@ static inline u16 __iomem *isa_mtw(unsigned long addr) (ISA_SEX ? out_be16(isa_mtw((unsigned long)(p)),(val)) \ : out_le16(isa_mtw((unsigned long)(p)),(val))) +#ifdef CONFIG_ATARI_ROM_ISA +#define isa_rom_inb(port) rom_in_8(isa_itb(port)) +#define isa_rom_inw(port) \ + (ISA_SEX ? rom_in_be16(isa_itw(port)) \ + : rom_in_le16(isa_itw(port))) + +#define isa_rom_outb(val, port) rom_out_8(isa_itb(port), (val)) +#define isa_rom_outw(val, port) \ + (ISA_SEX ? rom_out_be16(isa_itw(port), (val)) \ + : rom_out_le16(isa_itw(port), (val))) + +#define isa_rom_readb(p) rom_in_8(isa_mtb((unsigned long)(p))) +#define isa_rom_readw(p) \ + (ISA_SEX ? rom_in_be16(isa_mtw((unsigned long)(p))) \ + : rom_in_le16(isa_mtw((unsigned long)(p)))) +#define isa_rom_readw_swap(p) \ + (ISA_SEX ? rom_in_le16(isa_mtw((unsigned long)(p))) \ + : rom_in_be16(isa_mtw((unsigned long)(p)))) +#define isa_rom_readw_raw(p) rom_in_be16(isa_mtw((unsigned long)(p))) + +#define isa_rom_writeb(val, p) rom_out_8(isa_mtb((unsigned long)(p)), (val)) +#define isa_rom_writew(val, p) \ + (ISA_SEX ? rom_out_be16(isa_mtw((unsigned long)(p)), (val)) \ + : rom_out_le16(isa_mtw((unsigned long)(p)), (val))) +#define isa_rom_writew_swap(val, p) \ + (ISA_SEX ? rom_out_le16(isa_mtw((unsigned long)(p)), (val)) \ + : rom_out_be16(isa_mtw((unsigned long)(p)), (val))) +#define isa_rom_writew_raw(val, p) rom_out_be16(isa_mtw((unsigned long)(p)), (val)) +#endif /* CONFIG_ATARI_ROM_ISA */ + static inline void isa_delay(void) { switch(ISA_TYPE) @@ -232,6 +296,9 @@ static inline void isa_delay(void) #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: break; #endif +#ifdef CONFIG_ATARI_ROM_ISA + case ISA_TYPE_ENEC: break; +#endif default: break; /* avoid warnings */ } } @@ -263,6 +330,29 @@ static inline void isa_delay(void) raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1)) +#ifdef CONFIG_ATARI_ROM_ISA +#define isa_rom_inb_p(p) ({ u8 _v = isa_rom_inb(p); isa_delay(); _v; }) +#define isa_rom_inw_p(p) ({ u16 _v = isa_rom_inw(p); isa_delay(); _v; }) +#define isa_rom_outb_p(v, p) ({ isa_rom_outb((v), (p)); isa_delay(); }) +#define isa_rom_outw_p(v, p) ({ isa_rom_outw((v), (p)); isa_delay(); }) + +#define isa_rom_insb(port, buf, nr) raw_rom_insb(isa_itb(port), (u8 *)(buf), (nr)) + +#define isa_rom_insw(port, buf, nr) \ + (ISA_SEX ? raw_rom_insw(isa_itw(port), (u16 *)(buf), (nr)) : \ + raw_rom_insw_swapw(isa_itw(port), (u16 *)(buf), (nr))) + +#define isa_rom_outsb(port, buf, nr) raw_rom_outsb(isa_itb(port), (u8 *)(buf), (nr)) + +#define isa_rom_outsw(port, buf, nr) \ + (ISA_SEX ? raw_rom_outsw(isa_itw(port), (u16 *)(buf), (nr)) : \ + raw_rom_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr))) +#endif /* CONFIG_ATARI_ROM_ISA */ + +#endif /* CONFIG_ISA || CONFIG_ATARI_ROM_ISA */ + + +#if defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) #define inb isa_inb #define inb_p isa_inb_p #define outb isa_outb @@ -285,9 +375,43 @@ static inline void isa_delay(void) #define readw isa_readw #define writeb isa_writeb #define writew isa_writew +#endif /* CONFIG_ISA && !CONFIG_ATARI_ROM_ISA */ -#else /* CONFIG_ISA */ - +#ifdef CONFIG_ATARI_ROM_ISA +/* + * kernel with both ROM port ISA and IDE compiled in, those have + * conflicting defs for in/out. Simply consider port < 1024 + * ROM port ISA and everything else regular ISA for IDE. read,write defined + * below. + */ +#define inb(port) ((port) < 1024 ? isa_rom_inb(port) : in_8(port)) +#define inb_p(port) ((port) < 1024 ? isa_rom_inb_p(port) : in_8(port)) +#define inw(port) ((port) < 1024 ? isa_rom_inw(port) : in_le16(port)) +#define inw_p(port) ((port) < 1024 ? isa_rom_inw_p(port) : in_le16(port)) +#define inl isa_inl +#define inl_p isa_inl_p + +#define outb(val, port) ((port) < 1024 ? isa_rom_outb((val), (port)) : out_8((port), (val))) +#define outb_p(val, port) ((port) < 1024 ? isa_rom_outb_p((val), (port)) : out_8((port), (val))) +#define outw(val, port) ((port) < 1024 ? isa_rom_outw((val), (port)) : out_le16((port), (val))) +#define outw_p(val, port) ((port) < 1024 ? isa_rom_outw_p((val), (port)) : out_le16((port), (val))) +#define outl isa_outl +#define outl_p isa_outl_p + +#define insb(port, buf, nr) ((port) < 1024 ? isa_rom_insb((port), (buf), (nr)) : isa_insb((port), (buf), (nr))) +#define insw(port, buf, nr) ((port) < 1024 ? isa_rom_insw((port), (buf), (nr)) : isa_insw((port), (buf), (nr))) +#define insl isa_insl +#define outsb(port, buf, nr) ((port) < 1024 ? isa_rom_outsb((port), (buf), (nr)) : isa_outsb((port), (buf), (nr))) +#define outsw(port, buf, nr) ((port) < 1024 ? isa_rom_outsw((port), (buf), (nr)) : isa_outsw((port), (buf), (nr))) +#define outsl isa_outsl + +#define readb(addr) in_8(addr) +#define writeb(val, addr) out_8((addr), (val)) +#define readw(addr) in_le16(addr) +#define writew(val, addr) out_le16((addr), (val)) +#endif /* CONFIG_ATARI_ROM_ISA */ + +#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) /* * We need to define dummy functions for GENERIC_IOMAP support. */ @@ -319,7 +443,7 @@ static inline void isa_delay(void) #define readw(addr) in_le16(addr) #define writew(val,addr) out_le16((addr),(val)) -#endif /* CONFIG_ISA */ +#endif /* !CONFIG_ISA && !CONFIG_ATARI_ROM_ISA */ #define readl(addr) in_le32(addr) #define writel(val,addr) out_le32((addr),(val)) diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h index c1155f0..81ca118 100644 --- a/arch/m68k/include/asm/irq.h +++ b/arch/m68k/include/asm/irq.h @@ -6,12 +6,16 @@ * different m68k hosts compiled into the kernel. * Currently the Atari has 72 and the Amiga 24, but if both are * supported in the kernel it is better to make room for 72. + * With EtherNAT add-on card on Atari, the highest interrupt + * number is 140 so NR_IRQS needs to be 141. */ #if defined(CONFIG_COLDFIRE) #define NR_IRQS 256 #elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X) #define NR_IRQS 200 -#elif defined(CONFIG_ATARI) || defined(CONFIG_MAC) +#elif defined(CONFIG_ATARI) +#define NR_IRQS 141 +#elif defined(CONFIG_MAC) #define NR_IRQS 72 #elif defined(CONFIG_Q40) #define NR_IRQS 43 diff --git a/arch/m68k/include/asm/raw_io.h b/arch/m68k/include/asm/raw_io.h index d9eb983..932faa3 100644 --- a/arch/m68k/include/asm/raw_io.h +++ b/arch/m68k/include/asm/raw_io.h @@ -10,7 +10,7 @@ #ifdef __KERNEL__ -#include <asm/types.h> +#include <asm/byteorder.h> /* Values for nocacheflag and cmode */ @@ -60,6 +60,57 @@ extern void __iounmap(void *addr, unsigned long size); #define __raw_writew(val,addr) out_be16((addr),(val)) #define __raw_writel(val,addr) out_be32((addr),(val)) +/* + * Atari ROM port (cartridge port) ISA adapter, used for the EtherNEC NE2000 + * network card driver. + * The ISA adapter connects address lines A9-A13 to ISA address lines A0-A4, + * and hardwires the rest of the ISA addresses for a base address of 0x300. + * + * Data lines D8-D15 are connected to ISA data lines D0-D7 for reading. + * For writes, address lines A1-A8 are latched to ISA data lines D0-D7 + * (meaning the bit pattern on A1-A8 can be read back as byte). + * + * Read and write operations are distinguished by the base address used: + * reads are from the ROM A side range, writes are through the B side range + * addresses (A side base + 0x10000). + * + * Reads and writes are byte only. + * + * 16 bit reads and writes are necessary for the NetUSBee adapter's USB + * chipset - 16 bit words are read straight off the ROM port while 16 bit + * reads are split into two byte writes. The low byte is latched to the + * NetUSBee buffer by a read from the _read_ window (with the data pattern + * asserted as A1-A8 address pattern). The high byte is then written to the + * write range as usual, completing the write cycle. + */ + +#if defined(CONFIG_ATARI_ROM_ISA) +#define rom_in_8(addr) \ + ({ u16 __v = (*(__force volatile u16 *) (addr)); __v >>= 8; __v; }) +#define rom_in_be16(addr) \ + ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; }) +#define rom_in_le16(addr) \ + ({ u16 __v = le16_to_cpu(*(__force volatile u16 *) (addr)); __v; }) + +#define rom_out_8(addr, b) \ + ({u8 __w, __v = (b); u32 _addr = ((u32) (addr)); \ + __w = ((*(__force volatile u8 *) ((_addr | 0x10000) + (__v<<1)))); }) +#define rom_out_be16(addr, w) \ + ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \ + __w = ((*(__force volatile u16 *) ((_addr & 0xFFFF0000UL) + ((__v & 0xFF)<<1)))); \ + __w = ((*(__force volatile u16 *) ((_addr | 0x10000) + ((__v >> 8)<<1)))); }) +#define rom_out_le16(addr, w) \ + ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \ + __w = ((*(__force volatile u16 *) ((_addr & 0xFFFF0000UL) + ((__v >> 8)<<1)))); \ + __w = ((*(__force volatile u16 *) ((_addr | 0x10000) + ((__v & 0xFF)<<1)))); }) + +#define raw_rom_inb rom_in_8 +#define raw_rom_inw rom_in_be16 + +#define raw_rom_outb(val, port) rom_out_8((port), (val)) +#define raw_rom_outw(val, port) rom_out_be16((port), (val)) +#endif /* CONFIG_ATARI_ROM_ISA */ + static inline void raw_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len) { unsigned int i; @@ -342,6 +393,62 @@ static inline void raw_outsw_swapw(volatile u16 __iomem *port, const u16 *buf, : "d0", "a0", "a1", "d6"); } + +#if defined(CONFIG_ATARI_ROM_ISA) +static inline void raw_rom_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len) +{ + unsigned int i; + + for (i = 0; i < len; i++) + *buf++ = rom_in_8(port); +} + +static inline void raw_rom_outsb(volatile u8 __iomem *port, const u8 *buf, + unsigned int len) +{ + unsigned int i; + + for (i = 0; i < len; i++) + rom_out_8(port, *buf++); +} + +static inline void raw_rom_insw(volatile u16 __iomem *port, u16 *buf, + unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++) + *buf++ = rom_in_be16(port); +} + +static inline void raw_rom_outsw(volatile u16 __iomem *port, const u16 *buf, + unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++) + rom_out_be16(port, *buf++); +} + +static inline void raw_rom_insw_swapw(volatile u16 __iomem *port, u16 *buf, + unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++) + *buf++ = rom_in_le16(port); +} + +static inline void raw_rom_outsw_swapw(volatile u16 __iomem *port, const u16 *buf, + unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++) + rom_out_le16(port, *buf++); +} +#endif /* CONFIG_ATARI_ROM_ISA */ + #endif /* __KERNEL__ */ #endif /* _RAW_IO_H */ diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h index 3219845..9aea9f1 100644 --- a/arch/m68k/include/asm/string.h +++ b/arch/m68k/include/asm/string.h @@ -4,15 +4,6 @@ #include <linux/types.h> #include <linux/compiler.h> -static inline size_t __kernel_strlen(const char *s) -{ - const char *sc; - - for (sc = s; *sc++; ) - ; - return sc - s - 1; -} - static inline char *__kernel_strcpy(char *dest, const char *src) { char *xdest = dest; @@ -27,11 +18,6 @@ static inline char *__kernel_strcpy(char *dest, const char *src) #ifndef __IN_STRING_C -#define __HAVE_ARCH_STRLEN -#define strlen(s) (__builtin_constant_p(s) ? \ - __builtin_strlen(s) : \ - __kernel_strlen(s)) - #define __HAVE_ARCH_STRNLEN static inline size_t strnlen(const char *s, size_t count) { |
