| #ifndef _ASM_CRIS_IO_H |
| #define _ASM_CRIS_IO_H |
| |
| #include <asm/page.h> /* for __va, __pa */ |
| #include <asm/svinto.h> |
| #include <linux/sched.h> |
| #include <asm/pgtable.h> |
| #include <linux/config.h> |
| |
| /* Console I/O for simulated etrax100. Use #ifdef so erroneous |
| use will be evident. */ |
| #ifdef CONFIG_SVINTO_SIM |
| /* Let's use the ucsim interface since it lets us do write(2, ...) */ |
| #define SIMCOUT(s,len) \ |
| asm ("moveq 4,$r9 \n\t" \ |
| "moveq 2,$r10 \n\t" \ |
| "move.d %0,$r11 \n\t" \ |
| "move.d %1,$r12 \n\t" \ |
| "push $irp \n\t" \ |
| "move 0f,$irp \n\t" \ |
| "jump -6809 \n" \ |
| "0: \n\t" \ |
| "pop $irp" \ |
| : : "rm" (s), "rm" (len) : "r9","r10","r11","r12","memory") |
| #define TRACE_ON() __extension__ \ |
| ({ int _Foofoo; __asm__ volatile ("bmod [%0],%0" : "=r" (_Foofoo) : "0" \ |
| (255)); _Foofoo; }) |
| |
| #define TRACE_OFF() do { __asm__ volatile ("bmod [%0],%0" :: "r" (254)); } while (0) |
| #define SIM_END() do { __asm__ volatile ("bmod [%0],%0" :: "r" (28)); } while (0) |
| #define CRIS_CYCLES() __extension__ \ |
| ({ unsigned long c; asm ("bmod [%1],%0" : "=r" (c) : "r" (27)); c;}) |
| #else /* ! defined CONFIG_SVINTO_SIM */ |
| /* FIXME: Is there a reliable cycle counter available in some chip? Use |
| that then. */ |
| #define CRIS_CYCLES() 0 |
| #endif /* ! defined CONFIG_SVINTO_SIM */ |
| |
| /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */ |
| |
| extern unsigned long port_g_data_shadow; |
| extern unsigned char port_pa_dir_shadow; |
| extern unsigned char port_pa_data_shadow; |
| extern unsigned char port_pb_i2c_shadow; |
| extern unsigned char port_pb_config_shadow; |
| extern unsigned char port_pb_dir_shadow; |
| extern unsigned char port_pb_data_shadow; |
| extern unsigned long r_timer_ctrl_shadow; |
| |
| extern unsigned long port_cse1_shadow; |
| extern unsigned long port_csp0_shadow; |
| extern unsigned long port_csp4_shadow; |
| |
| extern volatile unsigned long *port_cse1_addr; |
| extern volatile unsigned long *port_csp0_addr; |
| extern volatile unsigned long *port_csp4_addr; |
| |
| /* macro for setting regs through a shadow - |
| * r = register name (like R_PORT_PA_DATA) |
| * s = shadow name (like port_pa_data_shadow) |
| * b = bit number |
| * v = value (0 or 1) |
| */ |
| |
| #define REG_SHADOW_SET(r,s,b,v) *r = s = (s & ~(1 << (b))) | ((v) << (b)) |
| |
| /* The LED's on various Etrax-based products are set differently. */ |
| |
| #if defined(CONFIG_ETRAX_NO_LEDS) || defined(CONFIG_SVINTO_SIM) |
| #undef CONFIG_ETRAX_PA_LEDS |
| #undef CONFIG_ETRAX_PB_LEDS |
| #undef CONFIG_ETRAX_CSP0_LEDS |
| #define LED_NETWORK_SET_G(x) |
| #define LED_NETWORK_SET_R(x) |
| #define LED_ACTIVE_SET_G(x) |
| #define LED_ACTIVE_SET_R(x) |
| #define LED_DISK_WRITE(x) |
| #define LED_DISK_READ(x) |
| #endif |
| |
| #if !defined(CONFIG_ETRAX_CSP0_LEDS) |
| #define LED_BIT_SET(x) |
| #define LED_BIT_CLR(x) |
| #endif |
| |
| #define LED_OFF 0x00 |
| #define LED_GREEN 0x01 |
| #define LED_RED 0x02 |
| #define LED_ORANGE (LED_GREEN | LED_RED) |
| |
| #if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R |
| #define LED_NETWORK_SET(x) \ |
| do { \ |
| LED_NETWORK_SET_G((x) & LED_GREEN); \ |
| } while (0) |
| #else |
| #define LED_NETWORK_SET(x) \ |
| do { \ |
| LED_NETWORK_SET_G((x) & LED_GREEN); \ |
| LED_NETWORK_SET_R((x) & LED_RED); \ |
| } while (0) |
| #endif |
| #if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R |
| #define LED_ACTIVE_SET(x) \ |
| do { \ |
| LED_ACTIVE_SET_G((x) & LED_GREEN); \ |
| } while (0) |
| #else |
| #define LED_ACTIVE_SET(x) \ |
| do { \ |
| LED_ACTIVE_SET_G((x) & LED_GREEN); \ |
| LED_ACTIVE_SET_R((x) & LED_RED); \ |
| } while (0) |
| #endif |
| |
| #ifdef CONFIG_ETRAX_PA_LEDS |
| #define LED_NETWORK_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x)) |
| #define LED_NETWORK_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x)) |
| #define LED_ACTIVE_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x)) |
| #define LED_ACTIVE_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x)) |
| #define LED_DISK_WRITE(x) \ |
| do{\ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\ |
| }while(0) |
| #define LED_DISK_READ(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x)) |
| #endif |
| |
| #ifdef CONFIG_ETRAX_PB_LEDS |
| #define LED_NETWORK_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x)) |
| #define LED_NETWORK_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x)) |
| #define LED_ACTIVE_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x)) |
| #define LED_ACTIVE_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x)) |
| #define LED_DISK_WRITE(x) \ |
| do{\ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\ |
| }while(0) |
| #define LED_DISK_READ(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x)) |
| #endif |
| |
| #ifdef CONFIG_ETRAX_CSP0_LEDS |
| #define CONFIGURABLE_LEDS\ |
| ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\ |
| (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\ |
| (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\ |
| (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\ |
| (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\ |
| (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\ |
| (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\ |
| (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\ |
| (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\ |
| (1 << CONFIG_ETRAX_LED12R )) |
| |
| #define LED_NETWORK_SET_G(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x)) |
| #define LED_NETWORK_SET_R(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x)) |
| #define LED_ACTIVE_SET_G(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x)) |
| #define LED_ACTIVE_SET_R(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x)) |
| #define LED_DISK_WRITE(x) \ |
| do{\ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\ |
| }while(0) |
| #define LED_DISK_READ(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x)) |
| #define LED_BIT_SET(x)\ |
| do{\ |
| if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\ |
| }while(0) |
| #define LED_BIT_CLR(x)\ |
| do{\ |
| if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\ |
| }while(0) |
| #endif |
| |
| # |
| #ifdef CONFIG_ETRAX_SOFT_SHUTDOWN |
| #define SOFT_SHUTDOWN() \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1) |
| #else |
| #define SOFT_SHUTDOWN() |
| #endif |
| |
| /* |
| * Change virtual addresses to physical addresses and vv. |
| */ |
| |
| extern inline unsigned long virt_to_phys(volatile void * address) |
| { |
| return __pa(address); |
| } |
| |
| extern inline void * phys_to_virt(unsigned long address) |
| { |
| return __va(address); |
| } |
| |
| #define page_to_phys(page) __pa(__page_address(page)) |
| |
| extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags); |
| |
| extern inline void * ioremap (unsigned long offset, unsigned long size) |
| { |
| return __ioremap(offset, size, 0); |
| } |
| |
| extern void iounmap(void *addr); |
| |
| /* |
| * IO bus memory addresses are also 1:1 with the physical address |
| */ |
| #define virt_to_bus virt_to_phys |
| #define bus_to_virt phys_to_virt |
| |
| /* |
| * readX/writeX() are used to access memory mapped devices. On some |
| * architectures the memory mapped IO stuff needs to be accessed |
| * differently. On the CRIS architecture, we just read/write the |
| * memory location directly. |
| */ |
| #define readb(addr) (*(volatile unsigned char *) (addr)) |
| #define readw(addr) (*(volatile unsigned short *) (addr)) |
| #define readl(addr) (*(volatile unsigned int *) (addr)) |
| |
| #define writeb(b,addr) ((*(volatile unsigned char *) (addr)) = (b)) |
| #define writew(b,addr) ((*(volatile unsigned short *) (addr)) = (b)) |
| #define writel(b,addr) ((*(volatile unsigned int *) (addr)) = (b)) |
| |
| #define memset_io(a,b,c) memset((void *)(a),(b),(c)) |
| #define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c)) |
| #define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c)) |
| |
| /* |
| * Again, CRIS does not require mem IO specific function. |
| */ |
| |
| #define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void *)(b),(c),(d)) |
| |
| /* The following is junk needed for the arch-independant code but which |
| * we never use in the CRIS port |
| */ |
| |
| #define IO_SPACE_LIMIT 0xffff |
| #define inb(x) (0) |
| #define inw(x) (0) |
| #define inl(x) (0) |
| #define outb(x,y) |
| #define outw(x,y) |
| #define outl(x,y) |
| #define insb(x,y,z) |
| #define insw(x,y,z) |
| #define insl(x,y,z) |
| #define outsb(x,y,z) |
| #define outsw(x,y,z) |
| #define outsl(x,y,z) |
| |
| #endif |