Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #ifndef __ALPHA_JENSEN_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) #define __ALPHA_JENSEN_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <asm/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Defines for the AlphaPC EISA IO and memory address space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * NOTE! The memory operations do not set any memory barriers, as it's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * not needed for cases like a frame buffer that is essentially memory-like.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * You need to do them by hand if the operations depend on ordering.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * Similarly, the port IO operations do a "mb" only after a write operation:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * if an mb is needed before (as in the case of doing memory mapped IO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * first, and then a port IO operation to the same device), it needs to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  * done by hand.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * After the above has bitten me 100 times, I'll give up and just do the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  * mb all the time, but right now I'm hoping this will work out.  Avoiding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * mb's may potentially be a noticeable speed improvement, but I can't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * honestly say I've tested it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  * Handling interrupts that need to do mb's to synchronize to non-interrupts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  * is another fun race area.  Don't do it (because if you do, I'll have to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  * do *everything* with interrupts disabled, ugh).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  * EISA Interrupt Acknowledge address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define EISA_INTA		(IDENT_ADDR + 0x100000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  * FEPROM addresses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define EISA_FEPROM0		(IDENT_ADDR + 0x180000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define EISA_FEPROM1		(IDENT_ADDR + 0x1A0000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)  * VL82C106 base address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define EISA_VL82C106		(IDENT_ADDR + 0x1C0000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  * EISA "Host Address Extension" address (bits 25-31 of the EISA address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define EISA_HAE		(IDENT_ADDR + 0x1D0000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53)  * "SYSCTL" register address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define EISA_SYSCTL		(IDENT_ADDR + 0x1E0000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58)  * "spare" register address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) #define EISA_SPARE		(IDENT_ADDR + 0x1F0000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63)  * EISA memory address offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) #define EISA_MEM		(IDENT_ADDR + 0x200000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68)  * EISA IO address offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) #define EISA_IO			(IDENT_ADDR + 0x300000000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) #ifdef __KERNEL__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) #ifndef __EXTERN_INLINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) #define __EXTERN_INLINE extern inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) #define __IO_EXTERN_INLINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81)  * Handle the "host address register". This needs to be set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82)  * to the high 7 bits of the EISA address.  This is also needed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83)  * for EISA IO addresses, which are only 16 bits wide (the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84)  * hae needs to be set to 0).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86)  * HAE isn't needed for the local IO operations, though.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) #define JENSEN_HAE_ADDRESS	EISA_HAE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) #define JENSEN_HAE_MASK		0x1ffffff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) __EXTERN_INLINE void jensen_set_hae(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	/* hae on the Jensen is bits 31:25 shifted right */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	addr >>= 25;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	if (addr != alpha_mv.hae_cache)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define vuip	volatile unsigned int *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)  * IO functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)  * The "local" functions are those that don't go out to the EISA bus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)  * but instead act on the VL82C106 chip directly.. This is mainly the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)  * keyboard, RTC,  printer and first two serial lines..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)  * The local stuff makes for some complications, but it seems to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)  * gone in the PCI version. I hope I can get DEC suckered^H^H^H^H^H^H^H^H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)  * convinced that I need one of the newer machines.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static inline unsigned int jensen_local_inb(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	return 0xff & *(vuip)((addr << 9) + EISA_VL82C106);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static inline void jensen_local_outb(u8 b, unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	*(vuip)((addr << 9) + EISA_VL82C106) = b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static inline unsigned int jensen_bus_inb(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	long result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	jensen_set_hae(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	result = *(volatile int *)((addr << 7) + EISA_IO + 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	return __kernel_extbl(result, addr & 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static inline void jensen_bus_outb(u8 b, unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	jensen_set_hae(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	*(vuip)((addr << 7) + EISA_IO + 0x00) = b * 0x01010101;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)  * It seems gcc is not very good at optimizing away logical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  * operations that result in operations across inline functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)  * Which is why this is a macro.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) #define jensen_is_local(addr) ( \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) /* keyboard */	(addr == 0x60 || addr == 0x64) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* RTC */	(addr == 0x170 || addr == 0x171) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /* mb COM2 */	(addr >= 0x2f8 && addr <= 0x2ff) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) /* mb LPT1 */	(addr >= 0x3bc && addr <= 0x3be) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* mb COM2 */	(addr >= 0x3f8 && addr <= 0x3ff))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) __EXTERN_INLINE u8 jensen_inb(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	if (jensen_is_local(addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		return jensen_local_inb(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		return jensen_bus_inb(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) __EXTERN_INLINE void jensen_outb(u8 b, unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	if (jensen_is_local(addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		jensen_local_outb(b, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		jensen_bus_outb(b, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) __EXTERN_INLINE u16 jensen_inw(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	long result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	jensen_set_hae(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	result = *(volatile int *) ((addr << 7) + EISA_IO + 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	result >>= (addr & 3) * 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	return 0xffffUL & result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) __EXTERN_INLINE u32 jensen_inl(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	jensen_set_hae(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	return *(vuip) ((addr << 7) + EISA_IO + 0x60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) __EXTERN_INLINE void jensen_outw(u16 b, unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	jensen_set_hae(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	*(vuip) ((addr << 7) + EISA_IO + 0x20) = b * 0x00010001;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) __EXTERN_INLINE void jensen_outl(u32 b, unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	jensen_set_hae(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	*(vuip) ((addr << 7) + EISA_IO + 0x60) = b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)  * Memory functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) __EXTERN_INLINE u8 jensen_readb(const volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	long result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	result = *(volatile int *) ((addr << 7) + EISA_MEM + 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	result >>= (addr & 3) * 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	return 0xffUL & result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) __EXTERN_INLINE u16 jensen_readw(const volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	long result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	result = *(volatile int *) ((addr << 7) + EISA_MEM + 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	result >>= (addr & 3) * 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	return 0xffffUL & result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) __EXTERN_INLINE u32 jensen_readl(const volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	return *(vuip) ((addr << 7) + EISA_MEM + 0x60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) __EXTERN_INLINE u64 jensen_readq(const volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	unsigned long r0, r1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	addr = (addr << 7) + EISA_MEM + 0x60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	r0 = *(vuip) (addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	r1 = *(vuip) (addr + (4 << 7));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	return r1 << 32 | r0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) __EXTERN_INLINE void jensen_writeb(u8 b, volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	*(vuip) ((addr << 7) + EISA_MEM + 0x00) = b * 0x01010101;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) __EXTERN_INLINE void jensen_writew(u16 b, volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	*(vuip) ((addr << 7) + EISA_MEM + 0x20) = b * 0x00010001;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) __EXTERN_INLINE void jensen_writel(u32 b, volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	*(vuip) ((addr << 7) + EISA_MEM + 0x60) = b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) __EXTERN_INLINE void jensen_writeq(u64 b, volatile void __iomem *xaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	unsigned long addr = (unsigned long) xaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	jensen_set_hae(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	addr &= JENSEN_HAE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	addr = (addr << 7) + EISA_MEM + 0x60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	*(vuip) (addr) = b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	*(vuip) (addr + (4 << 7)) = b >> 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) __EXTERN_INLINE void __iomem *jensen_ioportmap(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	return (void __iomem *)addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) __EXTERN_INLINE void __iomem *jensen_ioremap(unsigned long addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 					     unsigned long size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	return (void __iomem *)(addr + 0x100000000ul);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) __EXTERN_INLINE int jensen_is_ioaddr(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	return (long)addr >= 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) __EXTERN_INLINE int jensen_is_mmio(const volatile void __iomem *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	return (unsigned long)addr >= 0x100000000ul;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) /* New-style ioread interface.  All the routines are so ugly for Jensen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)    that it doesn't make sense to merge them.  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) #define IOPORT(OS, NS)							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) __EXTERN_INLINE unsigned int jensen_ioread##NS(const void __iomem *xaddr)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) {									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	if (jensen_is_mmio(xaddr))					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		return jensen_read##OS(xaddr - 0x100000000ul);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	else								\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		return jensen_in##OS((unsigned long)xaddr);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) }									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) __EXTERN_INLINE void jensen_iowrite##NS(u##NS b, void __iomem *xaddr)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	if (jensen_is_mmio(xaddr))					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 		jensen_write##OS(b, xaddr - 0x100000000ul);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	else								\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		jensen_out##OS(b, (unsigned long)xaddr);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) IOPORT(b, 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) IOPORT(w, 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) IOPORT(l, 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) #undef IOPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) #undef vuip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) #undef __IO_PREFIX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) #define __IO_PREFIX		jensen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) #define jensen_trivial_rw_bw	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) #define jensen_trivial_rw_lq	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) #define jensen_trivial_io_bw	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) #define jensen_trivial_io_lq	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) #define jensen_trivial_iounmap	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) #include <asm/io_trivial.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) #ifdef __IO_EXTERN_INLINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) #undef __EXTERN_INLINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) #undef __IO_EXTERN_INLINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) #endif /* __KERNEL__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) #endif /* __ALPHA_JENSEN_H */