diff --git a/arch/arm/mach-s3c24xx/include/mach/io.h b/arch/arm/mach-s3c24xx/include/mach/io.h index f960e6d10114..3e8bff26cdd5 100644 --- a/arch/arm/mach-s3c24xx/include/mach/io.h +++ b/arch/arm/mach-s3c24xx/include/mach/io.h @@ -12,201 +12,40 @@ #include -#define IO_SPACE_LIMIT 0xffffffff /* - * We use two different types of addressing - PC style addresses, and ARM - * addresses. PC style accesses the PC hardware with the normal PC IO - * addresses, eg 0x3f8 for serial#1. ARM addresses are above A28 - * and are translated to the start of IO. Note that all addresses are - * not shifted left! + * ISA style IO, for each machine to sort out mappings for, + * if it implements it. We reserve two 16M regions for ISA, + * so the PC/104 can use separate addresses for 8-bit and + * 16-bit port I/O. */ +#define PCIO_BASE S3C_ADDR(0x02000000) +#define IO_SPACE_LIMIT 0x00ffffff +#define S3C24XX_VA_ISA_WORD (PCIO_BASE) +#define S3C24XX_VA_ISA_BYTE (PCIO_BASE + 0x01000000) -#define __PORT_PCIO(x) ((x) < (1<<28)) +#ifdef CONFIG_ISA -#define PCIO_BASE (S3C24XX_VA_ISA_WORD) -#define PCIO_BASE_b (S3C24XX_VA_ISA_BYTE) -#define PCIO_BASE_w (S3C24XX_VA_ISA_WORD) -#define PCIO_BASE_l (S3C24XX_VA_ISA_WORD) -/* - * Dynamic IO functions - let the compiler - * optimize the expressions - */ +#define inb(p) readb(S3C24XX_VA_ISA_BYTE + (p)) +#define inw(p) readw(S3C24XX_VA_ISA_WORD + (p)) +#define inl(p) readl(S3C24XX_VA_ISA_WORD + (p)) -#define DECLARE_DYN_OUT(sz,fnsuffix,instr) \ -static inline void __out##fnsuffix (unsigned int val, unsigned int port) \ -{ \ - unsigned long temp; \ - __asm__ __volatile__( \ - "cmp %2, #(1<<28)\n\t" \ - "mov %0, %2\n\t" \ - "addcc %0, %0, %3\n\t" \ - "str" instr " %1, [%0, #0 ] @ out" #fnsuffix \ - : "=&r" (temp) \ - : "r" (val), "r" (port), "Ir" (PCIO_BASE_##fnsuffix) \ - : "cc"); \ -} +#define outb(v,p) writeb((v), S3C24XX_VA_ISA_BYTE + (p)) +#define outw(v,p) writew((v), S3C24XX_VA_ISA_WORD + (p)) +#define outl(v,p) writel((v), S3C24XX_VA_ISA_WORD + (p)) +#define insb(p,d,l) readsb(S3C24XX_VA_ISA_BYTE + (p),d,l) +#define insw(p,d,l) readsw(S3C24XX_VA_ISA_WORD + (p),d,l) +#define insl(p,d,l) readsl(S3C24XX_VA_ISA_WORD + (p),d,l) -#define DECLARE_DYN_IN(sz,fnsuffix,instr) \ -static inline unsigned sz __in##fnsuffix (unsigned int port) \ -{ \ - unsigned long temp, value; \ - __asm__ __volatile__( \ - "cmp %2, #(1<<28)\n\t" \ - "mov %0, %2\n\t" \ - "addcc %0, %0, %3\n\t" \ - "ldr" instr " %1, [%0, #0 ] @ in" #fnsuffix \ - : "=&r" (temp), "=r" (value) \ - : "r" (port), "Ir" (PCIO_BASE_##fnsuffix) \ - : "cc"); \ - return (unsigned sz)value; \ -} +#define outsb(p,d,l) writesb(S3C24XX_VA_ISA_BYTE + (p),d,l) +#define outsw(p,d,l) writesw(S3C24XX_VA_ISA_WORD + (p),d,l) +#define outsl(p,d,l) writesl(S3C24XX_VA_ISA_WORD + (p),d,l) -static inline void __iomem *__ioaddr (unsigned long port) -{ - return __PORT_PCIO(port) ? (PCIO_BASE + port) : (void __iomem *)port; -} +#else -#define DECLARE_IO(sz,fnsuffix,instr) \ - DECLARE_DYN_IN(sz,fnsuffix,instr) \ - DECLARE_DYN_OUT(sz,fnsuffix,instr) - -DECLARE_IO(char,b,"b") -DECLARE_IO(short,w,"h") -DECLARE_IO(int,l,"") - -#undef DECLARE_IO -#undef DECLARE_DYN_IN - -/* - * Constant address IO functions - * - * These have to be macros for the 'J' constraint to work - - * +/-4096 immediate operand. - */ -#define __outbc(value,port) \ -({ \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "strb %0, [%1, %2] @ outbc" \ - : : "r" (value), "r" (PCIO_BASE), "Jr" ((port))); \ - else \ - __asm__ __volatile__( \ - "strb %0, [%1, #0] @ outbc" \ - : : "r" (value), "r" ((port))); \ -}) - -#define __inbc(port) \ -({ \ - unsigned char result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldrb %0, [%1, %2] @ inbc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port))); \ - else \ - __asm__ __volatile__( \ - "ldrb %0, [%1, #0] @ inbc" \ - : "=r" (result) : "r" ((port))); \ - result; \ -}) - -#define __outwc(value,port) \ -({ \ - unsigned long v = value; \ - if (__PORT_PCIO((port))) { \ - if ((port) < 256 && (port) > -256) \ - __asm__ __volatile__( \ - "strh %0, [%1, %2] @ outwc" \ - : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \ - else if ((port) > 0) \ - __asm__ __volatile__( \ - "strh %0, [%1, %2] @ outwc" \ - : : "r" (v), \ - "r" (PCIO_BASE + ((port) & ~0xff)), \ - "Jr" (((port) & 0xff))); \ - else \ - __asm__ __volatile__( \ - "strh %0, [%1, #0] @ outwc" \ - : : "r" (v), \ - "r" (PCIO_BASE + (port))); \ - } else \ - __asm__ __volatile__( \ - "strh %0, [%1, #0] @ outwc" \ - : : "r" (v), "r" ((port))); \ -}) - -#define __inwc(port) \ -({ \ - unsigned short result; \ - if (__PORT_PCIO((port))) { \ - if ((port) < 256 && (port) > -256 ) \ - __asm__ __volatile__( \ - "ldrh %0, [%1, %2] @ inwc" \ - : "=r" (result) \ - : "r" (PCIO_BASE), \ - "Jr" ((port))); \ - else if ((port) > 0) \ - __asm__ __volatile__( \ - "ldrh %0, [%1, %2] @ inwc" \ - : "=r" (result) \ - : "r" (PCIO_BASE + ((port) & ~0xff)), \ - "Jr" (((port) & 0xff))); \ - else \ - __asm__ __volatile__( \ - "ldrh %0, [%1, #0] @ inwc" \ - : "=r" (result) \ - : "r" (PCIO_BASE + ((port)))); \ - } else \ - __asm__ __volatile__( \ - "ldrh %0, [%1, #0] @ inwc" \ - : "=r" (result) : "r" ((port))); \ - result; \ -}) - -#define __outlc(value,port) \ -({ \ - unsigned long v = value; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "str %0, [%1, %2] @ outlc" \ - : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \ - else \ - __asm__ __volatile__( \ - "str %0, [%1, #0] @ outlc" \ - : : "r" (v), "r" ((port))); \ -}) - -#define __inlc(port) \ -({ \ - unsigned long result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldr %0, [%1, %2] @ inlc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port))); \ - else \ - __asm__ __volatile__( \ - "ldr %0, [%1, #0] @ inlc" \ - : "=r" (result) : "r" ((port))); \ - result; \ -}) - -#define __ioaddrc(port) ((__PORT_PCIO(port) ? PCIO_BASE + (port) : (void __iomem *)0 + (port))) - -#define inb(p) (__builtin_constant_p((p)) ? __inbc(p) : __inb(p)) -#define inw(p) (__builtin_constant_p((p)) ? __inwc(p) : __inw(p)) -#define inl(p) (__builtin_constant_p((p)) ? __inlc(p) : __inl(p)) -#define outb(v,p) (__builtin_constant_p((p)) ? __outbc(v,p) : __outb(v,p)) -#define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p)) -#define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p)) -#define __ioaddr(p) (__builtin_constant_p((p)) ? __ioaddr(p) : __ioaddrc(p)) - -#define insb(p,d,l) __raw_readsb(__ioaddr(p),d,l) -#define insw(p,d,l) __raw_readsw(__ioaddr(p),d,l) -#define insl(p,d,l) __raw_readsl(__ioaddr(p),d,l) - -#define outsb(p,d,l) __raw_writesb(__ioaddr(p),d,l) -#define outsw(p,d,l) __raw_writesw(__ioaddr(p),d,l) -#define outsl(p,d,l) __raw_writesl(__ioaddr(p),d,l) +#define __io(x) (PCIO_BASE + (x)) + +#endif #endif diff --git a/arch/arm/plat-samsung/include/plat/map-s3c.h b/arch/arm/plat-samsung/include/plat/map-s3c.h index 4244acbf4b65..bf247d836684 100644 --- a/arch/arm/plat-samsung/include/plat/map-s3c.h +++ b/arch/arm/plat-samsung/include/plat/map-s3c.h @@ -9,6 +9,8 @@ #ifndef __ASM_PLAT_MAP_S3C_H #define __ASM_PLAT_MAP_S3C_H __FILE__ +#include + #define S3C24XX_VA_IRQ S3C_VA_IRQ #define S3C24XX_VA_MEMCTRL S3C_VA_MEM #define S3C24XX_VA_UART S3C_VA_UART @@ -45,16 +47,8 @@ #define S3C_VA_USB_HSPHY S3C64XX_VA_USB_HSPHY -/* - * ISA style IO, for each machine to sort out mappings for, - * if it implements it. We reserve two 16M regions for ISA. - */ - #define S3C2410_ADDR(x) S3C_ADDR(x) -#define S3C24XX_VA_ISA_WORD S3C2410_ADDR(0x02000000) -#define S3C24XX_VA_ISA_BYTE S3C2410_ADDR(0x03000000) - /* deal with the registers that move under the 2412/2413 */ #if defined(CONFIG_CPU_S3C2412)