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openwrt/target/linux/etrax-2.6/patches/cris/020-syscalls.patch

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initial merge for vhdl support on the foxboard SVN-Revision: 7652
2007-06-17 02:53:53 +00:00
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
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