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path: root/target/linux/etrax-2.6/patches/cris/020-syscalls.patch
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diff -urN linux-2.6.19.2.orig/include/asm-cris/unistd.h linux-2.6.19.2/include/asm/unistd.h
--- linux-2.6.19.2.orig/include/asm-cris/unistd.h	2007-06-16 23:59:11.000000000 +0200
+++ linux-2.6.19.2/include/asm/unistd.h	2007-06-17 03:43:10.000000000 +0200
@@ -325,9 +325,52 @@
 #define __NR_getcpu		318
 #define __NR_epoll_pwait	319
 
+#ifdef CONFIG_ETRAX_GPIO 
+	#ifdef CONFIG_FOXBONE
+		#define __NR_gpiosetbits	320
+		#define __NR_gpioclearbits	321
+		#define __NR_gpiosetdir		322
+		#define __NR_gpiotogglebit	323
+		#define __NR_gpiogetbits	324
+		#define __NR_foxboneread	325
+		#define __NR_foxbonewrite	326 
+		#define __NR_foxbonebulkread	327 
+		#define __NR_foxbonebulkwrite	328 
+		#define __NR_foxbonereset	329
+		#define __NR_foxboneintreg	330
+		#define __NR_foxboneintcheck	331
+		#define __NR_foxboneintwait	332
+		#define NR_syscalls 333
+	
+	#else
+		#define __NR_gpiosetbits	320
+		#define __NR_gpioclearbits	321
+		#define __NR_gpiosetdir		322
+		#define __NR_gpiotogglebit	323
+		#define __NR_gpiogetbits	324
+		
+		#define NR_syscalls 325
+	#endif
+#else
+	#ifdef CONFIG_FOXBONE 
+		#define __NR_foxboneread	320
+		#define __NR_foxbonewrite	321 
+		#define __NR_foxbonebulkread	322
+		#define __NR_foxbonebulkwrite	323
+		#define __NR_foxboneintreg	324
+		#define __NR_foxboneintcheck	325
+		#define __NR_foxboneintwait	326
+	
+		#define NR_syscalls 327
+	
+	#else 
+	
+		#define NR_syscalls 320
+	#endif
+#endif
+	
 #ifdef __KERNEL__
 
-#define NR_syscalls 320
 
 #include <asm/arch/unistd.h>
 
--- linux-2.6.19.2.orig/include/linux/gpio_syscalls.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.19.2/include/linux/gpio_syscalls.h	2007-06-17 03:44:49.000000000 +0200
@@ -0,0 +1,75 @@
+#ifndef __LINUX_SYSCALL_GPIO
+#define __LINUX_SYSCALL_GPIO
+#include <linux/autoconf.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <asm/unistd.h>
+
+// port defines
+#define PORTA 	'A'
+#define PORTB 	'B'
+#define PORTG 	'G'
+
+//direction defines
+#define DIRIN 	'I'
+#define DIROUT 	'O'
+
+// pin defines for PORTG
+#define PG0	(1<<0)
+#define PG1     (1<<1)
+#define PG2     (1<<2)
+#define PG3     (1<<3)
+#define PG4     (1<<4)
+#define PG5     (1<<5)
+#define PG6     (1<<6)
+#define PG7     (1<<7)
+#define PG8     (1<<8)
+#define PG9     (1<<9)
+#define PG10	(1<<10)
+#define PG11    (1<<11)
+#define PG12    (1<<12)
+#define PG13    (1<<13)
+#define PG14    (1<<14)
+#define PG15    (1<<15)
+#define PG16    (1<<16)
+#define PG17    (1<<17)
+#define PG18    (1<<18)
+#define PG19    (1<<19)
+#define PG20    (1<<20)
+#define PG21    (1<<21)
+#define PG22    (1<<22)
+#define PG23    (1<<23)
+#define PG24    (1<<24)
+
+#define PG8_15	0x00ff00
+#define PG16_23	0xff0000
+
+
+// pin defines for PORTA
+#define PA0	(1<<0)
+#define PA1	(1<<1)
+#define PA2	(1<<2)
+#define PA3	(1<<3)
+#define PA4	(1<<4)
+#define PA5	(1<<5)
+#define PA6	(1<<6)
+#define PA7	(1<<7)
+
+// pin defines for PORTB
+#define PB0	(1<<0)
+#define PB1	(1<<1)
+#define PB2	(1<<2)
+#define PB3	(1<<3)
+#define PB4	(1<<4)
+#define PB5	(1<<5)
+#define PB6	(1<<6)
+#define PB7	(1<<7)
+
+int errno;
+_syscall2(void, gpiosetbits, unsigned char, port, unsigned int, bits);
+_syscall2(void, gpioclearbits, unsigned char, port, unsigned int, bits);
+_syscall3(void, gpiosetdir, unsigned char, port, unsigned char, dir, unsigned int, bits);
+_syscall2(void, gpiotogglebit, unsigned char, port, unsigned int, bits);
+_syscall2(unsigned int, gpiogetbits, unsigned char, port, unsigned int, bits);
+
+#endif
--- linux-2.6.19.2.orig/arch/cris/arch-v10/kernel/entry.S	2007-06-16 23:58:14.000000000 +0200
+++ linux-2.6.19.2/arch/cris/arch-v10/kernel/entry.S	2007-06-17 03:48:21.000000000 +0200
@@ -1200,6 +1200,23 @@
 	.long sys_move_pages
 	.long sys_getcpu
 	.long sys_epoll_pwait
+#ifdef CONFIG_ETRAX_GPIO
+	.long sys_gpiosetbits
+	.long sys_gpioclearbits
+	.long sys_gpiosetdir
+	.long sys_gpiotogglebit
+	.long sys_gpiogetbits
+#endif
+#ifdef CONFIG_FOXBONE
+	.long sys_foxboneread
+	.long sys_foxbonewrite
+	.long sys_foxbonebulkread
+	.long sys_foxbonebulkwrite
+	.long sys_foxbonereset
+	.long sys_foxboneintreg
+	.long sys_foxboneintcheck
+	.long sys_foxboneintwait	
+#endif
 		
         /*
          * NOTE!! This doesn't have to be exact - we just have
diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/drivers/gpio_syscalls.c linux-2.6.19.2/arch/cris/arch-v10/drivers/gpio_syscalls.c
--- linux-2.6.19.2.orig/arch/cris/arch-v10/drivers/gpio_syscalls.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.19.2/arch/cris/arch-v10/drivers/gpio_syscalls.c	2007-06-17 04:09:15.000000000 +0200
@@ -0,0 +1,192 @@
+
+#include <linux/autoconf.h>
+
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/poll.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+
+#include <asm/uaccess.h>
+#include <linux/gpio_syscalls.h>
+
+#include <asm/etraxgpio.h>
+#include <asm/arch/svinto.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/irq.h>
+#include <asm/arch/io_interface_mux.h>
+
+#include <asm/unistd.h>
+
+
+extern int errno;
+
+
+asmlinkage void sys_gpiosetbits(unsigned char port, unsigned int bits){
+	switch(port){
+	case 'G':
+	case 'g':
+		*R_PORT_G_DATA = port_g_data_shadow |= bits;
+		break;
+		
+	case 'A':
+	case 'a':
+		*R_PORT_PA_DATA = port_pa_data_shadow |= bits;
+		break;
+
+	case 'B':
+	case 'b':
+		*R_PORT_PB_DATA = port_pb_data_shadow |= bits;
+		break;
+		
+	};
+};
+
+
+asmlinkage void sys_gpioclearbits(unsigned char port, unsigned int bits){
+	switch(port){
+	case 'G':
+	case 'g':
+		*R_PORT_G_DATA = port_g_data_shadow &= ~bits;
+		break;
+		
+	case 'A':
+	case 'a':
+		*R_PORT_PA_DATA = port_pa_data_shadow &= ~bits;
+		break;
+
+	case 'B':
+	case 'b':
+		*R_PORT_PB_DATA = port_pb_data_shadow &= ~bits;
+		break;
+		
+	};
+};
+
+asmlinkage void sys_gpiosetdir(unsigned char port, unsigned char dir, unsigned int bits){
+	if((dir=='I' )||(dir=='i')){
+		switch(port){
+		case 'G':
+		case 'g':
+			if(bits & (1<<0)){
+				genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, g0dir);
+			};
+			if((bits & 0x0000FF00)==0x0000FF00){
+				genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, g8_15dir);
+			};			
+			if((bits & 0x00FF0000)==0x00FF0000){
+				genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, g16_23dir);
+			};			
+			if(bits & (1<<24)){
+				genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG, g24dir);
+			};			
+			*R_GEN_CONFIG = genconfig_shadow;
+			break;
+		
+		case 'A':
+		case 'a':
+			*R_PORT_PA_DIR = port_pa_dir_shadow &= ~(bits & 0xff);
+			break;
+
+		case 'B':
+		case 'b':
+			*R_PORT_PB_DIR = port_pb_dir_shadow &= ~(bits & 0xff);
+			break;
+		};
+	} else if((dir=='O' )||(dir=='o')){
+		switch(port){
+		case 'G':
+		case 'g':
+			if(bits & (1<<0)){
+				genconfig_shadow |= IO_MASK(R_GEN_CONFIG, g0dir);
+			};
+			if((bits & 0x0000FF00)==0x0000FF00){
+				genconfig_shadow |= IO_MASK(R_GEN_CONFIG, g8_15dir);
+			};			
+			if((bits & 0x00FF0000)==0x00FF0000){
+				genconfig_shadow |= IO_MASK(R_GEN_CONFIG, g8_15dir);
+			};			
+			if(bits & (1<<24)){
+				genconfig_shadow |= IO_MASK(R_GEN_CONFIG, g24dir);
+			};			
+			*R_GEN_CONFIG = genconfig_shadow;
+			break;
+		
+		case 'A':
+		case 'a':
+			*R_PORT_PA_DIR = port_pa_dir_shadow |= (bits & 0xff);
+			break;
+
+		case 'B':
+		case 'b':
+			*R_PORT_PB_DIR = port_pb_dir_shadow |= (bits & 0xff);
+			break;
+		};
+	};
+};
+
+
+asmlinkage void sys_gpiotogglebit(unsigned char port, unsigned int bits){
+	switch(port){
+	case 'G':
+	case 'g':
+		if(port_g_data_shadow & bits){
+			*R_PORT_G_DATA = port_g_data_shadow &= ~bits;
+		} else {
+			*R_PORT_G_DATA = port_g_data_shadow |= bits;
+		};
+		break;
+		
+	case 'A':
+	case 'a':
+		if(*R_PORT_PA_DATA & bits){
+			*R_PORT_PA_DATA = port_pa_data_shadow &= ~(bits & 0xff);
+		} else {
+			*R_PORT_PA_DATA = port_pa_data_shadow |= (bits & 0xff);	
+		};
+		break;
+
+	case 'B':
+	case 'b':
+		if(*R_PORT_PB_DATA & bits){
+			*R_PORT_PB_DATA = port_pb_data_shadow &= ~(bits & 0xff);
+		} else {
+			*R_PORT_PB_DATA = port_pb_data_shadow |= (bits & 0xff);	
+		};
+		break;
+		
+	};
+};
+
+
+asmlinkage unsigned int sys_gpiogetbits(unsigned char port, unsigned int bits){
+	unsigned int data = 0;
+	switch(port){
+	case 'G':
+	case 'g':
+		data = *R_PORT_G_DATA;
+		break;
+		
+	case 'A':
+	case 'a':
+		data = *R_PORT_PA_DATA;
+		break;
+
+	case 'B':
+	case 'b':
+		data = *R_PORT_PB_DATA;
+		break;
+		
+	};
+	data &= bits;
+	return data;
+};
+
+
Only in linux-2.6.19.2/arch/cris/arch-v10/drivers/: gpio_syscalls.c
diff linux-2.6.19.2.orig/arch/cris/arch-v10/drivers/Makefile linux-2.6.19.2/arch/cris/arch-v10/drivers/Makefile
8a9
> obj-$(CONFIG_ETRAX_GPIO)            += gpio_syscalls.o