From 5ed12e1ebb9aa4953c7372080a9216b11f158edc Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Sun, 29 Jul 2007 00:04:37 +0000
Subject: some fixes to the etrax build

SVN-Revision: 8211
---
 .../arch/cris/arch-v10/drivers/gpio_syscalls.c     | 191 +++++++++++++++++++++
 1 file changed, 191 insertions(+)
 create mode 100644 target/linux/etrax-2.6/files/arch/cris/arch-v10/drivers/gpio_syscalls.c

(limited to 'target/linux/etrax-2.6/files')

diff --git a/target/linux/etrax-2.6/files/arch/cris/arch-v10/drivers/gpio_syscalls.c b/target/linux/etrax-2.6/files/arch/cris/arch-v10/drivers/gpio_syscalls.c
new file mode 100644
index 0000000..b6300aa
--- /dev/null
+++ b/target/linux/etrax-2.6/files/arch/cris/arch-v10/drivers/gpio_syscalls.c
@@ -0,0 +1,191 @@
+#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;
+};
+
+
-- 
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