| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_ARCH_CRIS_IO_H |
| #define _ASM_ARCH_CRIS_IO_H |
| |
| /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */ |
| |
| extern unsigned long gen_config_ii_shadow; |
| 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) |
| #undef CONFIG_ETRAX_PA_LEDS |
| #undef CONFIG_ETRAX_PB_LEDS |
| #undef CONFIG_ETRAX_CSP0_LEDS |
| #define CRIS_LED_NETWORK_SET_G(x) |
| #define CRIS_LED_NETWORK_SET_R(x) |
| #define CRIS_LED_ACTIVE_SET_G(x) |
| #define CRIS_LED_ACTIVE_SET_R(x) |
| #define CRIS_LED_DISK_WRITE(x) |
| #define CRIS_LED_DISK_READ(x) |
| #endif |
| |
| #if !defined(CONFIG_ETRAX_CSP0_LEDS) |
| #define CRIS_LED_BIT_SET(x) |
| #define CRIS_LED_BIT_CLR(x) |
| #endif |
| |
| #define CRIS_LED_OFF 0x00 |
| #define CRIS_LED_GREEN 0x01 |
| #define CRIS_LED_RED 0x02 |
| #define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED) |
| |
| #if defined(CONFIG_ETRAX_NO_LEDS) |
| #define CRIS_LED_NETWORK_SET(x) |
| #else |
| #if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R |
| #define CRIS_LED_NETWORK_SET(x) \ |
| do { \ |
| CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \ |
| } while (0) |
| #else |
| #define CRIS_LED_NETWORK_SET(x) \ |
| do { \ |
| CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \ |
| CRIS_LED_NETWORK_SET_R((x) & CRIS_LED_RED); \ |
| } while (0) |
| #endif |
| #if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R |
| #define CRIS_LED_ACTIVE_SET(x) \ |
| do { \ |
| CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \ |
| } while (0) |
| #else |
| #define CRIS_LED_ACTIVE_SET(x) \ |
| do { \ |
| CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \ |
| CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED); \ |
| } while (0) |
| #endif |
| #endif |
| |
| #ifdef CONFIG_ETRAX_PA_LEDS |
| #define CRIS_LED_NETWORK_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x)) |
| #define CRIS_LED_NETWORK_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x)) |
| #define CRIS_LED_ACTIVE_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x)) |
| #define CRIS_LED_ACTIVE_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x)) |
| #define CRIS_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 CRIS_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 CRIS_LED_NETWORK_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x)) |
| #define CRIS_LED_NETWORK_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x)) |
| #define CRIS_LED_ACTIVE_SET_G(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x)) |
| #define CRIS_LED_ACTIVE_SET_R(x) \ |
| REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x)) |
| #define CRIS_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 CRIS_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 CRIS_LED_NETWORK_SET_G(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x)) |
| #define CRIS_LED_NETWORK_SET_R(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x)) |
| #define CRIS_LED_ACTIVE_SET_G(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x)) |
| #define CRIS_LED_ACTIVE_SET_R(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x)) |
| #define CRIS_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 CRIS_LED_DISK_READ(x) \ |
| REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x)) |
| #define CRIS_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 CRIS_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 |
| |
| #endif |
