diff options
Diffstat (limited to 'include/asm-cris/arch-v10/io.h')
| -rw-r--r-- | include/asm-cris/arch-v10/io.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v10/io.h b/include/asm-cris/arch-v10/io.h new file mode 100644 index 000000000000..0bc38a0313c1 --- /dev/null +++ b/include/asm-cris/arch-v10/io.h @@ -0,0 +1,193 @@ +#ifndef _ASM_ARCH_CRIS_IO_H +#define _ASM_ARCH_CRIS_IO_H + +#include <asm/arch/svinto.h> +#include <linux/config.h> + +/* 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 + +/* 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;}) +#endif /* ! defined CONFIG_SVINTO_SIM */ + +#endif |