diff options
| -rw-r--r-- | target/linux/etrax-2.6/config/profile-vhdl_no_fb | 0 | ||||
| -rw-r--r-- | target/linux/etrax-2.6/patches/cris/019-vhdl.patch | 4836 | ||||
| -rw-r--r-- | target/linux/etrax-2.6/patches/cris/020-syscalls.patch | 361 | ||||
| -rw-r--r-- | target/linux/etrax-2.6/profiles/100-generic.mk | 16 | ||||
| -rw-r--r-- | target/linux/etrax-2.6/profiles/101-vhdl-nofb.mk | 17 |
5 files changed, 5230 insertions, 0 deletions
diff --git a/target/linux/etrax-2.6/config/profile-vhdl_no_fb b/target/linux/etrax-2.6/config/profile-vhdl_no_fb new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/target/linux/etrax-2.6/config/profile-vhdl_no_fb diff --git a/target/linux/etrax-2.6/patches/cris/019-vhdl.patch b/target/linux/etrax-2.6/patches/cris/019-vhdl.patch new file mode 100644 index 0000000..95478f8 --- /dev/null +++ b/target/linux/etrax-2.6/patches/cris/019-vhdl.patch @@ -0,0 +1,4836 @@ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone.c linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,533 @@ ++/* ++ foxbone.c ++ Linux Kernel Driver for FoxBone on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++#include <linux/spinlock.h> ++#include <linux/autoconf.h> ++#include <linux/interrupt.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 "foxbone.h" ++#include "foxbone_userspace.h" ++ ++ ++#define Fox_line_Read (1<<1) ++#define Fox_line_WriteData (1<<2) ++#define Fox_line_Reset (1<<3) ++#define Fox_line_WriteAddress (1<<4) ++ ++#define FOX_CLEAR_LINES (~(0x00FFFF00 | Fox_line_Read | Fox_line_WriteAddress | Fox_line_WriteData)) ++ ++#define DEV_NAME "foxbone" ++#define DEV_MAJOR 14 ++ ++spinlock_t foxbone_lock_var = SPIN_LOCK_UNLOCKED; ++unsigned long foxbone_irq_flags; ++// is the userspce device enables ? ++unsigned char foxbone_userspace_is_open = 0; ++ ++// are we processing interrupts ? (during fpga_flash the ints are not allowed to be handles ++unsigned char foxbone_allow_int; ++ ++// the shadow of which ints are enabled ++unsigned int foxbone_shadow_int_high = 0; ++unsigned int foxbone_shadow_int_low = 0; ++ ++// the following four variables get filled when the foxbone driver is started ++// they hold the release and the the application words ++unsigned int FOXBONE_release = 0; ++unsigned int FOXBONE_application1 = 0; ++unsigned int FOXBONE_application2 = 0; ++unsigned int FOXBONE_application3 = 0; ++ ++ ++ ++FOXINT_CALLBACK foxint_callbacks[32]; ++ ++unsigned int foxbone_read(unsigned int add); ++void foxbone_write(unsigned int add, unsigned int data); ++ ++static irqreturn_t foxbone_pa_interrupt(int irq, void *dev_id, struct pt_regs *regs); ++ ++unsigned int foxbone_interrupt_enabled = 0; ++ ++ ++ ++void FOX_delay(unsigned int d){ ++ while(d--){ ++ unsigned int i = 0; ++ for(i = 0; i < 32000; i++){ ++ i*=2; ++ i/=2; ++ }; ++ }; ++}; ++ ++ ++void foxbone_lock(void){ ++ spin_lock_irqsave(&foxbone_lock_var, foxbone_irq_flags); ++ ++}; ++ ++void foxbone_unlock(void){ ++ spin_unlock_irqrestore(&foxbone_lock_var, foxbone_irq_flags); ++ ++}; ++ ++int foxbone_register_interrupt(unsigned char irq, FOXINT_CALLBACK callback){ ++ if(irq > 31){ ++ printk("foxbone: trying to register invalid interrupt\n"); ++ return 0; ++ }; ++ if(!foxbone_interrupt_enabled){ ++ foxbone_interrupt_enabled = 1; ++ printk("foxbone: starting interrupt system\n"); ++ int err; ++ if ((err = request_irq(PA_IRQ_NBR, foxbone_pa_interrupt, SA_INTERRUPT | SA_SHIRQ, "foxbone", 123))){ ++ printk("foxbone: request_irq failed: Error %d\n",err); ++ return ; ++ } ++ printk("foxbone: request_irq success -> irq: %ld\n",PA_IRQ_NBR); ++ *R_IRQ_MASK1_SET = IO_STATE(R_IRQ_MASK1_SET, pa0, set); ++ }; ++ ++ printk("foxbone: new int %d registered\n", irq); ++ foxint_callbacks[irq] = callback; ++ if(irq < 15){ ++ foxbone_shadow_int_high |= (1<<irq); ++ foxbone_write(0x08, foxbone_shadow_int_high); ++ } else { ++ foxbone_shadow_int_high |= (1<<15); ++ foxbone_write(0x08, foxbone_shadow_int_high); ++ foxbone_shadow_int_low |= (1<<(irq-16)); ++ foxbone_write(0x09, foxbone_shadow_int_low); ++ }; ++ return 1; ++}; ++ ++ ++void foxbone_unregister_interrupt(unsigned char irq){ ++ if(irq > 31){ ++ printk("foxbone: trying to unregister invalid interrupt\n"); ++ return ; ++ }; ++ printk("foxbone: interrupt %d unregistered\n", irq); ++ if(irq < 15){ ++ foxbone_shadow_int_high &= ~(1<<irq); ++ foxbone_write(0x08, foxbone_shadow_int_high); ++ } else { ++ foxbone_shadow_int_low &= ~(1<<(irq-16)); ++ foxbone_write(0x09, foxbone_shadow_int_low); ++ ++ if(!foxbone_shadow_int_low){ ++ foxbone_shadow_int_high &= ~(1<<15); ++ foxbone_write(0x08, foxbone_shadow_int_high); ++ }; ++ }; ++}; ++ ++#if 0 ++#define DBG_INT(x) x ++#else ++#define DBG_INT(x) ++#endif ++ ++// this is the bottom half of our interrupt handler ++static void foxbone_handle_interrupt(void){ ++ if(foxbone_allow_int){ ++ foxbone_lock(); ++ unsigned int irq_high, irq_low, i; ++ DBG_INT(printk("Int handler");) ++ if(*R_PORT_PA_DATA & (1)){ ++ irq_high = foxbone_read(0x08); ++ DBG_INT(printk("Got high_int %d\n", irq_high);) ++ for(i = 0; i < 15; i++){ ++ if(irq_high & (1<<i)){ ++ DBG_INT(printk("Go high_int %d\n",i);) ++ if(foxint_callbacks[i]){ ++ foxint_callbacks[i](i); ++ }; ++ }; ++ }; ++ if(irq_high & (0x8000)){ ++ irq_low = foxbone_read(0x09); ++ DBG_INT(printk("Got low_int %d\n", irq_low);) ++ for(i = 0; i < 16; i++){ ++ if(irq_low & (1<<i)){ ++ DBG_INT(printk("Go low_int %d\n", i);) ++ if(foxint_callbacks[i+16]){ ++ foxint_callbacks[i+16](i+16); ++ }; ++ }; ++ }; ++ ++ }; ++ }; ++ foxbone_unlock(); ++ }; ++}; ++ ++// this is the top half of our interrupt handler ++static void tasklet_foxbone_int(unsigned long data); ++DECLARE_TASKLET(tl_foxint_descr, tasklet_foxbone_int, 0L); ++static void tasklet_foxbone_int(unsigned long data){ ++ ++ DBG_INT(printk("got an int\n");) ++ foxbone_handle_interrupt(); ++ ++}; ++ ++ ++static irqreturn_t ++foxbone_pa_interrupt(int irq, void *dev_id, struct pt_regs *regs) ++{ ++ unsigned long tmp; ++ ++ /* Find what PA interrupts are active */ ++ tmp = (*R_IRQ_READ1); ++// printk("_____%ud",*R_IRQ_READ1); ++ /* Find those that we have enabled */ ++// tmp &= (1 << R_IRQ_MASK1_SET__pa0__BITNR); ++ ++ /* Clear them.. */ ++ // *R_IRQ_MASK1_CLR = tmp; ++ //(1 << R_IRQ_MASK1_SET__pa0__BITNR); ++ ++ tasklet_schedule(&tl_foxint_descr); ++ // *R_IRQ_MASK1_SET = IO_STATE(R_IRQ_MASK1_SET, pa0, set); ++ ++ return IRQ_RETVAL(1); ++} ++ ++ ++static void foxbone_bus_in(void){ ++ // turn all the iog8-15 pins into outputs ++ genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG,g8_15dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++ ++ // turn all the iog16-23 pins into outputs ++ genconfig_shadow &= ~IO_MASK(R_GEN_CONFIG,g16_23dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++}; ++ ++static void foxbone_bus_out(void){ ++ // turn all the iog8-15 pins into outputs ++ genconfig_shadow |= IO_MASK(R_GEN_CONFIG,g8_15dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++ ++ // turn all the iog16-23 pins into outputs ++ genconfig_shadow |= IO_MASK(R_GEN_CONFIG,g16_23dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++}; ++ ++void foxbone_reset(unsigned char reset){ ++ if(reset){ ++ *R_PORT_G_DATA = port_g_data_shadow |= Fox_line_Reset; ++ } else { ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_Reset; ++ }; ++}; ++ ++static void foxbone_setadd(unsigned long address){ ++ *R_PORT_G_DATA = port_g_data_shadow &= FOX_CLEAR_LINES; ++ ++ *R_PORT_G_DATA = port_g_data_shadow |= (address << 8)| Fox_line_WriteAddress; ++ ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_WriteAddress; ++}; ++ ++ ++static unsigned int foxbone_read_data(unsigned char next){ ++ unsigned int data; ++ *R_PORT_G_DATA = port_g_data_shadow &= FOX_CLEAR_LINES; ++ ++ foxbone_bus_in(); ++ ++ *R_PORT_G_DATA = port_g_data_shadow |= Fox_line_Read; ++ ++ // do the reading now ++ data = *R_PORT_G_DATA; ++ data = *R_PORT_G_DATA; ++ ++ // now return the Fox_line_ReadData to low state to idle the bus from the FPGA side ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_Read; ++ foxbone_bus_out(); ++ return ((unsigned int)((data&0x00FFFF00)>>8)); ++} ++ ++ ++static unsigned int foxbone_write_data(unsigned int data, unsigned char next) { ++ // clear all address/data/control bits ++ *R_PORT_G_DATA = port_g_data_shadow &= FOX_CLEAR_LINES; ++ ++ *R_PORT_G_DATA = port_g_data_shadow |= (data << 8)| Fox_line_WriteData; ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_WriteData; ++ ++ return 0; ++} ++ ++void foxbone_write(unsigned int add, unsigned int data){ ++ foxbone_setadd(add); ++ foxbone_write_data(data, 0); ++}; ++ ++unsigned int foxbone_read(unsigned int add){ ++ foxbone_setadd(add); ++ return foxbone_read_data(0); ++}; ++ ++void foxbone_write_next(unsigned data){ ++ foxbone_write_data(data, 1); ++}; ++ ++unsigned int foxbone_read_next(void){ ++ return foxbone_read_data(1); ++}; ++ ++void foxbone_bulk_write(unsigned int *data, unsigned int length, unsigned int add){ ++ unsigned int i; ++ foxbone_write(add, *data); ++ unsigned long def_val = (port_g_data_shadow & 0xff0000ff) | Fox_line_WriteData; ++ for(i = 1; i < length; i++){ ++ *R_PORT_G_DATA = port_g_data_shadow = def_val | data[i]<<8; ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_WriteData; ++ }; ++}; ++ ++void foxbone_bulk_read(unsigned int *data, unsigned int length, unsigned int add){ ++ //printk("Get data from %d %d\n", add, length); ++ unsigned int i; ++ for(i = 0; i < length; i++){ ++ if(i == 0){ ++ data[i] = foxbone_read(add); ++ } else { ++ data[i] = foxbone_read_next(); ++ }; ++ }; ++ ++}; ++ ++void foxbone_initialise_bus(void){ ++ memset(foxint_callbacks, 0, sizeof(FOXINT_CALLBACK)*32); ++ ++ // clear all address/data/control bits ++ *R_PORT_G_DATA = port_g_data_shadow &= FOX_CLEAR_LINES; ++ foxbone_reset(0); ++ int i; ++ for(i = 0; i < 32000; i++){ ++ i++; ++ i--; ++ }; ++ foxbone_reset(1); ++ ++ foxbone_bus_out(); ++ ++ FOXBONE_release = foxbone_read(0x04); ++ FOXBONE_application1 = foxbone_read(0x05); ++ FOXBONE_application2 = foxbone_read(0x06); ++ FOXBONE_application3 = foxbone_read(0x07); ++ printk("foxbone : release = 0x%04x\n", FOXBONE_release); ++ printk("foxbone : application word 1 = 0x%04x\n", FOXBONE_application1); ++ printk("foxbone : application word 2 = 0x%04x\n", FOXBONE_application2); ++ printk("foxbone : application word 3 = 0x%04x\n", FOXBONE_application3); ++ ++ ++}; ++ ++ ++static ssize_t foxbone_userspace_write(struct file * file, const char * buffer, size_t count, loff_t *offset){ ++ if(count > (64 * 1024)){ ++ printk("foxbone: trying to bulk write too much data\n"); ++ return 1; ++ }; ++ unsigned int *bulk_data = (unsigned int) kmalloc(count, GFP_KERNEL); ++ ++ copy_from_user((char*) bulk_data, buffer, count); ++ ++ foxbone_bulk_write(&bulk_data[2], bulk_data[1], bulk_data[0]); ++ ++ kfree(bulk_data); ++ return 0; ++}; ++ ++ ++static ssize_t foxbone_userspace_read(struct file *file, char *buffer, size_t count, loff_t *offset){ ++ if(count > (64 * 1024)){ ++ printk("foxbone: trying to bulk read too much data\n"); ++ return 0; ++ }; ++ ++ // find out which register we want to read ++ unsigned int bulk_data_info[2]; ++ copy_from_user((char*) bulk_data_info, buffer, 8); ++ ++ // read the data ++ unsigned int *bulk_data = (unsigned int)kmalloc(count, GFP_KERNEL); ++ ++ foxbone_bulk_read(&bulk_data[0], bulk_data_info[1], bulk_data_info[0]); ++ ++ copy_to_user((char*)buffer, (char*)bulk_data, count); ++ ++ kfree(bulk_data); ++ ++ return count / 4; ++}; ++ ++// the app has send us some control data ++static int foxbone_userspace_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ int retval = 0; ++ FOXBONE_WRITE fb_write; ++ switch (cmd) { ++ case IOCTL_FOXBONE_INIT_BUS: ++ foxbone_initialise_bus(); ++ break; ++ ++ case IOCTL_FOXBONE_WRITE_REG: ++ copy_from_user((FOXBONE_WRITE*)&fb_write, (FOXBONE_WRITE*)arg, sizeof(fb_write)); ++ foxbone_write(fb_write.reg, fb_write.data); ++ break; ++ ++ case IOCTL_FOXBONE_READ_REG: ++ retval = foxbone_read(arg); ++ break; ++ ++ case IOCTL_FOXBONE_WRITE_NEXT: ++ copy_from_user((FOXBONE_WRITE*)&fb_write, (FOXBONE_WRITE*)arg, sizeof(fb_write)); ++ foxbone_write_next(fb_write.data); ++ break; ++ ++ case IOCTL_FOXBONE_READ_NEXT: ++ retval = foxbone_read_next(); ++ break; ++ ++ case IOCTL_FOXBONE_INTERRUPTS: ++ foxbone_allow_int = arg; ++ break; ++ ++ default: ++ printk("foxbone_userspace : unknown ioctl\n"); ++ break; ++ } ++ return retval; ++}; ++ ++ ++ ++static int foxbone_userspace_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("foxbone_userspace : trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(foxbone_userspace_is_open) { ++ printk("foxbone_userspace : Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int foxbone_userspace_close(struct inode * inode, struct file * file){ ++ ++ foxbone_userspace_is_open = 0; ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations foxbone_userspace_fops = { ++ ioctl: foxbone_userspace_ioctl, ++ write: foxbone_userspace_write, ++ read: foxbone_userspace_read, ++ open: foxbone_userspace_open, ++ release: foxbone_userspace_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int foxbone_userspace_init(void){ ++ // flame the kprintk ++ printk("foxbone_userspace : FOX-VHDL userspace access module\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &foxbone_userspace_fops)) { ++ printk( "fpga_mod.ko : Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ foxbone_userspace_is_open = 0; ++ printk("foxbone_userspace : Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void foxbone_userspace_exit(void){ ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++ ++static int __init foxbone_init(void){ ++ printk("foxbone : FOX-VHDL FOXBONE access module started\n"); ++ foxbone_initialise_bus(); ++ foxbone_allow_int = 1; ++ foxbone_userspace_init(); ++ return 0; ++} ++ ++ ++static void __exit foxbone_exit(void){ ++ printk( "foxbone : Cleanup\n" ); ++ foxbone_userspace_exit(); ++} ++ ++module_init (foxbone_init); ++module_exit (foxbone_exit); ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,21 @@ ++// prototypes for foxbone compliant modules ++ ++typedef void (*FOXINT_CALLBACK) (unsigned int); ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); ++void foxbone_unregister_interrupt(unsigned char irq); ++int foxbone_register_interrupt(unsigned char irq, FOXINT_CALLBACK callback); ++void foxbone_reset(unsigned char reset); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone_syscalls.c linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone_syscalls.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone_syscalls.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone_syscalls.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,155 @@ ++/* ++ foxbone_syscalls.c ++ Linux Kernel syscalls for FoxBone on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++ ++#include <linux/kernel.h> ++#include <asm/uaccess.h> ++#include <linux/foxbone_syscalls.h> ++#include "foxbone.h" ++ ++asmlinkage unsigned short int sys_foxboneread(unsigned short int reg){ ++ return foxbone_read(reg); ++}; ++ ++asmlinkage void sys_foxbonewrite(unsigned short int reg, unsigned short int value){ ++ foxbone_write(reg, value); ++}; ++ ++asmlinkage void sys_foxbonebulkread(unsigned short int reg, unsigned short int *value, unsigned int length){ ++ unsigned int i; ++ unsigned int *buffer = kmalloc(length * 2, GFP_KERNEL); ++ *buffer = foxbone_read(reg); ++ for(i = 1; i < length; i++){ ++ buffer[i] = foxbone_read_next(); ++ }; ++ copy_to_user(value, buffer, length * 2); ++ kfree(buffer); ++ ++}; ++ ++asmlinkage void sys_foxbonebulkwrite(unsigned short int reg, unsigned short int *value, unsigned int length){ ++ unsigned int i; ++ unsigned int *buffer = kmalloc(length * 2, GFP_KERNEL); ++ copy_from_user(buffer, value, length * 2); ++ foxbone_write(reg, *buffer); ++ for(i = 1; i < length; i++){ ++ foxbone_write_next(buffer[i]); ++ }; ++ kfree(buffer); ++}; ++ ++ ++/* ++ interrupt handling from userspace ++*/ ++ ++typedef struct _FOX_INT { ++ unsigned char enabled; ++ unsigned char count; ++ unsigned char wakeup; ++ wait_queue_head_t wait_queue; ++} FOX_INT; ++ ++ ++FOX_INT syscall_interrupts[32]; ++ ++ ++void foxbone_interrupt_callback(unsigned int interrupt){ ++ //printk("GOT INT %d\n", irq_no); ++ if(syscall_interrupts[interrupt].enabled){ ++ syscall_interrupts[interrupt].count ++; ++ if(syscall_interrupts[interrupt].wakeup){ ++ wake_up_interruptible(&syscall_interrupts[interrupt].wait_queue); ++ }; ++ }; ++}; ++ ++ ++asmlinkage void sys_foxboneintreg(unsigned long int interrupt, unsigned char state){ ++ if(interrupt > 31){ ++ interrupt = 31; ++ }; ++ if(state){ ++ foxbone_register_interrupt(interrupt, foxbone_interrupt_callback); ++ syscall_interrupts[interrupt].enabled = 1; ++ syscall_interrupts[interrupt].count = 0; ++ init_waitqueue_head(&syscall_interrupts[interrupt].wait_queue); ++ } else { ++ foxbone_unregister_interrupt(interrupt); ++ syscall_interrupts[interrupt].enabled = 0; ++ }; ++}; ++ ++ ++asmlinkage unsigned int sys_foxboneintcheck( unsigned long int interrupt){ ++ unsigned int retval = 0xffff; ++ if(interrupt > 31){ ++ interrupt = 31; ++ }; ++ if(syscall_interrupts[interrupt].enabled){ ++ retval = syscall_interrupts[interrupt].count; ++ syscall_interrupts[interrupt].count = 0; ++ }; ++ return retval; ++}; ++ ++ ++asmlinkage unsigned int sys_foxboneintwait(unsigned long int interrupt, unsigned char timeout){ ++ unsigned int retval = 0xffff; ++ if(interrupt > 31){ ++ interrupt = 31; ++ }; ++ if(syscall_interrupts[interrupt].enabled){ ++ syscall_interrupts[interrupt].wakeup = 1; ++ syscall_interrupts[interrupt].count = 0; ++ interruptible_sleep_on_timeout(&syscall_interrupts[interrupt].wait_queue, timeout*HZ); ++ if(syscall_interrupts[interrupt].count != 0){ ++ retval = syscall_interrupts[interrupt].count; ++ }; ++ syscall_interrupts[interrupt].count = 0; ++ syscall_interrupts[interrupt].wakeup = 0; ++ }; ++ return retval; ++}; ++ ++ ++asmlinkage void sys_foxbonereset(unsigned short int reg){ ++ foxbone_reset(0); ++ int i; ++ for(i = 0; i < 32000; i++){ ++ i++; ++ i--; ++ }; ++ foxbone_reset(1); ++}; ++ ++static int __init foxbone_syscall_init(void){ ++ memset(syscall_interrupts, 0, sizeof(FOX_INT) * 32); ++ return 0; ++} ++ ++ ++static void __exit foxbone_syscall_exit(void){ ++} ++ ++module_init (foxbone_syscall_init); ++module_exit (foxbone_syscall_exit); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone_userspace.h linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone_userspace.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/foxbone_userspace.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/foxbone/foxbone_userspace.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,17 @@ ++// These are the ioctls for accessing /dev/foxbone ++ ++#define IOCTL_FOXBONE_INIT_BUS 0x3341 ++#define IOCTL_FOXBONE_WRITE_REG 0x3342 ++#define IOCTL_FOXBONE_READ_REG 0x3343 ++#define IOCTL_FOXBONE_WRITE_NEXT 0x3344 ++#define IOCTL_FOXBONE_READ_NEXT 0x3345 ++#define IOCTL_FOXBONE_INTERRUPTS 0x3346 ++ ++// the data structure used to write a register ++typedef struct _FOXBONE_WRITE { ++ unsigned int reg; ++ unsigned int data; ++} FOXBONE_WRITE; ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/Makefile linux-2.6.19.2/drivers/fox-vhdl/foxbone/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/foxbone/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/foxbone/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,2 @@ ++obj-$(CONFIG_FOXBONE) += foxbone.o ++obj-$(CONFIG_FOXBONE) += foxbone_syscalls.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_event/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/fox_event/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_event/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_event/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,16 @@ ++// prototypes for foxbone compliant modules ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_event/fox_event.c linux-2.6.19.2/drivers/fox-vhdl/fox_event/fox_event.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_event/fox_event.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_event/fox_event.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,170 @@ ++/* ++ fox_event.c ++ Linux Kernel Driver for FoxBone EventCounter on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++ ++#define DEV_NAME "event" ++#define DEV_MAJOR 193 ++ ++#include "foxbone.h" ++ ++unsigned char foxevent_is_open = 0; ++ ++ ++#define IOCTL_FOXBONE_EVENT_SET_ALARM 0x4745 ++#define IOCTL_FOXBONE_EVENT_GET_COUNT 0x4746 ++#define IOCTL_FOXBONE_EVENT_GET_ALARM 0x4747 ++#define IOCTL_FOXBONE_EVENT_RESET_ALARM 0x4748 ++ ++// the app has send us some control data ++static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ //copy_to_user((char*)arg, (char*)&audio_data, sizeof(AUDIO_DATA)); ++ //copy_from_user((char*)&mp3_beep, (char*)arg, sizeof(MP3_BEEP)); ++ int retval = 0; ++ unsigned int current_io = 0; ++ switch (cmd) { ++ case IOCTL_FOXBONE_EVENT_SET_ALARM: ++ foxbone_write(0x0040, 0); ++ foxbone_write(0x0041, arg); ++ foxbone_write(0x0040, 3); ++ break; ++ ++ case IOCTL_FOXBONE_EVENT_GET_COUNT: ++ retval = foxbone_read(0x0042); ++ break; ++ ++ case IOCTL_FOXBONE_EVENT_GET_ALARM: ++ retval = foxbone_read(0x0043); ++ break; ++ ++ case IOCTL_FOXBONE_EVENT_RESET_ALARM: ++ current_io = foxbone_read(0x0040); ++ current_io &= ~(1<<1); ++ foxbone_write(0x0040, 0); ++ current_io |= (1<<1); ++ foxbone_write(0x0040, 0); ++ break; ++ ++ default: ++ printk("fox_event: unknown ioctl\n"); ++ break; ++ } ++ ++ return retval; ++}; ++ ++ ++ ++static int module_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("fox_event: trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(foxevent_is_open) { ++ printk("fox_event: Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ ++ // more flaming ++ printk("fox_event: Minor %d has been opened\n", dev_minor); ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int module_close(struct inode * inode, struct file * file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // remember that the device has been closed ++ foxevent_is_open = 0; ++ ++ ++ // more flaming ++ printk("fox_event: Minor %d has been closed\n", dev_minor); ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations foxevent_module_fops = { ++ ioctl: module_ioctl, ++ open: module_open, ++ release: module_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int __init mod_init(void){ ++ // flame the kprintk ++ printk("fox_event: FOX-VHDL FPGA io module\n"); ++ //printk("fox_event: Made by K. John '2B|!2B' Crispin (john@phrozen.org)\n"); ++ //printk("fox_event: Starting ...\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &foxevent_module_fops)) { ++ printk( "fox_event: Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ ++ // remember that the driver has been opened ++ foxevent_is_open = 0; ++ printk("fox_event: Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void __exit mod_exit(void){ ++ printk( "fox_event: Cleanup\n" ); ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++module_init (mod_init); ++module_exit (mod_exit); ++ ++ ++ ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_event/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_event/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_event/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_event/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_FOXBONE_EVENT) += fox_event.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_fpga_flash/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_fpga_flash/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_fpga_flash/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_fpga_flash/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,2 @@ ++obj-$(CONFIG_FOX_FPGA) += dpa3palg.oo dpalg.oo dpjtag2.oo dpjtag.oo dpuncomp.oo dpuser.oo fpga_module.oo ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_fpga_flash/MakefileORI linux-2.6.19.2/drivers/fox-vhdl/fox_fpga_flash/MakefileORI +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_fpga_flash/MakefileORI 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_fpga_flash/MakefileORI 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_FOX_FPGA) += dpa3palg.o dpalg.o dpjtag2.o dpjtag.o dpuncomp.o dpuser.o fpga_module.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_io/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/fox_io/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_io/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_io/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,16 @@ ++// prototypes for foxbone compliant modules ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_io/fox_io.c linux-2.6.19.2/drivers/fox-vhdl/fox_io/fox_io.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_io/fox_io.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_io/fox_io.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,164 @@ ++/* ++ fox_io.c ++ Linux Kernel Driver for FoxBone I/O on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++ ++#define DEV_NAME "foxio" ++#define DEV_MAJOR 190 ++ ++#include "foxbone.h" ++ ++unsigned char foxio_is_open = 0; ++ ++ ++#define IOCTL_FOXBONE_IO_SET 0x4545 ++#define IOCTL_FOXBONE_IO_CLR 0x4546 ++#define IOCTL_FOXBONE_IO_GET 0x4547 ++ ++// the app has send us some control data ++static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ //copy_to_user((char*)arg, (char*)&audio_data, sizeof(AUDIO_DATA)); ++ //copy_from_user((char*)&mp3_beep, (char*)arg, sizeof(MP3_BEEP)); ++ int retval = 0; ++ unsigned int current_io = 0; ++ switch (cmd) { ++ case IOCTL_FOXBONE_IO_SET: ++ current_io = foxbone_read(0x0014); ++ current_io |= (1<<arg); ++ foxbone_write(0x0014, current_io); ++ break; ++ ++ case IOCTL_FOXBONE_IO_CLR: ++ current_io = foxbone_read(0x0014); ++ current_io &= ~(1<<arg); ++ foxbone_write(0x0014, current_io); ++ break; ++ ++ case IOCTL_FOXBONE_IO_GET: ++ retval = foxbone_read(0x0015); ++ break; ++ ++ ++ default: ++ printk("fox_io: unknown ioctl\n"); ++ break; ++ } ++ ++ return retval; ++}; ++ ++ ++ ++static int module_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("fox_io: trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(foxio_is_open) { ++ printk("fox_io: Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ ++ // more flaming ++ printk("fox_io: Minor %d has been opened\n", dev_minor); ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int module_close(struct inode * inode, struct file * file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // remember that the device has been closed ++ foxio_is_open = 0; ++ ++ ++ // more flaming ++ printk("fox_io: Minor %d has been closed\n", dev_minor); ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations foxio_module_fops = { ++ ioctl: module_ioctl, ++ open: module_open, ++ release: module_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int __init mod_init(void){ ++ // flame the kprintk ++ printk("fox_io: FOX-VHDL FPGA io module\n"); ++ //printk("fox_io: Made by K. John '2B|!2B' Crispin (john@phrozen.org)\n"); ++ //printk("fox_io: Starting ...\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &foxio_module_fops)) { ++ printk( "fox_io: Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ ++ // remember that the driver has been opened ++ foxio_is_open = 0; ++ printk("fox_io: Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void __exit mod_exit(void){ ++ printk( "fox_io: Cleanup\n" ); ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++module_init (mod_init); ++module_exit (mod_exit); ++ ++ ++ ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_io/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_io/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_io/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_io/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_FOXBONE_IO) += fox_io.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_loopback/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/fox_loopback/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_loopback/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_loopback/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,16 @@ ++// prototypes for foxbone compliant modules ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_loopback/fox_loopback.c linux-2.6.19.2/drivers/fox-vhdl/fox_loopback/fox_loopback.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_loopback/fox_loopback.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_loopback/fox_loopback.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,154 @@ ++/* ++ fox_loopback.c ++ Linux Kernel Driver for FoxBone Loopback Register on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++ ++#define DEV_NAME "loopback" ++#define DEV_MAJOR 192 ++ ++#include "foxbone.h" ++ ++unsigned char foxloopback_is_open = 0; ++ ++ ++#define IOCTL_FOXBONE_LOOPBACK_SET 0x4045 ++#define IOCTL_FOXBONE_LOOPBACK_GET 0x4046 ++ ++// the app has send us some control data ++static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ //copy_to_user((char*)arg, (char*)&audio_data, sizeof(AUDIO_DATA)); ++ //copy_from_user((char*)&mp3_beep, (char*)arg, sizeof(MP3_BEEP)); ++ int retval = 0; ++ unsigned int current_io = 0; ++ switch (cmd) { ++ case IOCTL_FOXBONE_LOOPBACK_SET: ++ foxbone_write(0x0013, arg); ++ break; ++ ++ case IOCTL_FOXBONE_LOOPBACK_GET: ++ retval = foxbone_read(0x0013); ++ break; ++ ++ default: ++ printk("fox_loopback: unknown ioctl\n"); ++ break; ++ } ++ ++ return retval; ++}; ++ ++ ++ ++static int module_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("fox_loopback: trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(foxloopback_is_open) { ++ printk("fox_loopback: Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ ++ // more flaming ++ printk("fox_loopback: Minor %d has been opened\n", dev_minor); ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int module_close(struct inode * inode, struct file * file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // remember that the device has been closed ++ foxloopback_is_open = 0; ++ ++ ++ // more flaming ++ printk("fox_loopback: Minor %d has been closed\n", dev_minor); ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations foxloopback_module_fops = { ++ ioctl: module_ioctl, ++ open: module_open, ++ release: module_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int __init mod_init(void){ ++ // flame the kprintk ++ printk("fox_loopback: FOX-VHDL FPGA io module\n"); ++ //printk("fox_loopback: Made by K. John '2B|!2B' Crispin (john@phrozen.org)\n"); ++ //printk("fox_loopback: Starting ...\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &foxloopback_module_fops)) { ++ printk( "fox_loopback: Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ ++ // remember that the driver has been opened ++ foxloopback_is_open = 0; ++ printk("fox_loopback: Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void __exit mod_exit(void){ ++ printk( "fox_loopback: Cleanup\n" ); ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++module_init (mod_init); ++module_exit (mod_exit); ++ ++ ++ ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_loopback/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_loopback/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_loopback/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_loopback/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_FOXBONE_LOOPBACK) += fox_loopback.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_multiply/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/fox_multiply/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_multiply/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_multiply/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,16 @@ ++// prototypes for foxbone compliant modules ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_multiply/fox_multiply.c linux-2.6.19.2/drivers/fox-vhdl/fox_multiply/fox_multiply.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_multiply/fox_multiply.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_multiply/fox_multiply.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,172 @@ ++/* ++ fox_multiply.c ++ Linux Kernel Driver for FoxBone 32x32 fast multiplier on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++ ++#define DEV_NAME "multiply" ++#define DEV_MAJOR 194 ++ ++#include "foxbone.h" ++ ++unsigned char foxmultiply_is_open = 0; ++ ++ ++#define IOCTL_FOXBONE_MUTIPLY 0x4945 ++ ++// the app has send us some control data ++static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ long data[3], i; ++ int retval = 0; ++ switch (cmd) { ++ case IOCTL_FOXBONE_MUTIPLY: ++ copy_from_user((char*)&data[0], (char*)arg, sizeof(long) * 3); ++ data[2] = jiffies; ++ printk("%ld, %ld\n", data[0], data[1]); ++ //for(i = 0; i < 1024*1024; i++){ ++ foxbone_write(0x0021, (data[0]>>16)&0xffff); ++ foxbone_write(0x0020, data[0]&0xffff); ++ foxbone_write(0x0023, (data[1]>>16)&0xffff); ++ foxbone_write(0x0022, data[1]&0xffff); ++ data[0] = foxbone_read(0x0025); ++ data[0] = (data[0] << 16) + foxbone_read(0x0024); ++ data[1] = foxbone_read(0x0027); ++ data[1] = (data[1] << 16) + foxbone_read(0x0026); ++ /*printk("%4x\n", foxbone_read(0x0020)); ++ printk("%4x\n", foxbone_read(0x0021)); ++ printk("%4x\n", foxbone_read(0x0022)); ++ printk("%4x\n", foxbone_read(0x0023)); ++ ++ printk("%4x\n", foxbone_read(0x0024)); ++ printk("%4x\n", foxbone_read(0x0025)); ++ printk("%4x\n", foxbone_read(0x0026)); ++ printk("%4x\n", foxbone_read(0x0027)); ++ */ ++ //}; ++ data[2] = jiffies - data[2]; ++ copy_to_user((char*)arg, (char*)&data[0], sizeof(unsigned long) * 3); ++ break; ++ ++ default: ++ printk("fox_multiply: unknown ioctl\n"); ++ break; ++ } ++ ++ return retval; ++}; ++ ++ ++ ++static int module_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("fox_multiply: trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(foxmultiply_is_open) { ++ printk("fox_multiply: Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ ++ // more flaming ++ //printk("fox_multiply: Minor %d has been opened\n", dev_minor); ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int module_close(struct inode * inode, struct file * file){ ++ // Which minor device is the user trying to access ? ++ // unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // remember that the device has been closed ++ foxmultiply_is_open = 0; ++ ++ ++ // more flaming ++ //printk("fox_multiply: Minor %d has been closed\n", dev_minor); ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations foxmultiply_module_fops = { ++ ioctl: module_ioctl, ++ open: module_open, ++ release: module_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int __init mod_init(void){ ++ // flame the kprintk ++ printk("fox_multiply: FOX-VHDL FPGA multiplier module\n"); ++ //printk("fox_multiply: Made by K. John '2B|!2B' Crispin (john@phrozen.org)\n"); ++ //printk("fox_multiply: Starting ...\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &foxmultiply_module_fops)) { ++ printk( "fox_multiply: Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ ++ // remember that the driver has been opened ++ foxmultiply_is_open = 0; ++ printk("fox_multiply: Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void __exit mod_exit(void){ ++ printk( "fox_multiply: Cleanup\n" ); ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++module_init (mod_init); ++module_exit (mod_exit); ++ ++ ++ ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_multiply/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_multiply/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_multiply/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_multiply/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_FOXBONE_MULTIPLY) += fox_multiply.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_pwm/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/fox_pwm/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_pwm/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_pwm/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,16 @@ ++// prototypes for foxbone compliant modules ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_pwm/fox_pwm.c linux-2.6.19.2/drivers/fox-vhdl/fox_pwm/fox_pwm.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_pwm/fox_pwm.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_pwm/fox_pwm.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,180 @@ ++/* ++ fox_pwm.c ++ Linux Kernel Driver for FoxBone 16 channel PWM generator on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++ ++#define DEV_NAME "pwm" ++#define DEV_MAJOR 15 ++ ++#include "foxbone.h" ++ ++unsigned char foxpwm_is_open = 0; ++ ++ ++#define IOCTL_PWM_ENABLE 0x2310 ++#define IOCTL_PWM_DISABLE 0x2311 ++#define IOCTL_PWM_CHANNEL_BASE 0x2320 ++#define IOCTL_PWM_CHANNEL0 0x2320 ++#define IOCTL_PWM_CHANNEL1 0x2321 ++#define IOCTL_PWM_CHANNEL2 0x2322 ++#define IOCTL_PWM_CHANNEL3 0x2323 ++#define IOCTL_PWM_CHANNEL4 0x2324 ++#define IOCTL_PWM_CHANNEL5 0x2325 ++#define IOCTL_PWM_CHANNEL6 0x2326 ++#define IOCTL_PWM_CHANNEL7 0x2327 ++#define IOCTL_PWM_CHANNEL8 0x2328 ++#define IOCTL_PWM_CHANNEL9 0x2329 ++#define IOCTL_PWM_CHANNELA 0x232a ++#define IOCTL_PWM_CHANNELB 0x232b ++#define IOCTL_PWM_CHANNELC 0x232c ++#define IOCTL_PWM_CHANNELD 0x232d ++#define IOCTL_PWM_CHANNELE 0x232e ++#define IOCTL_PWM_CHANNELF 0x232f ++ ++ ++// the app has send us some control data ++static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ //copy_to_user((char*)arg, (char*)&audio_data, sizeof(AUDIO_DATA)); ++ //copy_from_user((char*)&mp3_beep, (char*)arg, sizeof(MP3_BEEP)); ++ int retval = 0; ++ unsigned int current_pwm; ++ if((cmd >= IOCTL_PWM_CHANNEL0) && (cmd <= IOCTL_PWM_CHANNELF)){ ++ foxbone_write(0x0050 + (cmd - IOCTL_PWM_CHANNEL_BASE), arg); ++ } else { ++ switch (cmd) { ++ case IOCTL_PWM_ENABLE: ++ current_pwm = foxbone_read(0x0060); ++ current_pwm |= (1<<arg); ++ foxbone_write(0x0060, current_pwm); ++ break; ++ ++ case IOCTL_PWM_DISABLE: ++ current_pwm = foxbone_read(0x0060); ++ current_pwm &= ~(1<<arg); ++ foxbone_write(0x0060, current_pwm); ++ break; ++ ++ default: ++ printk("fox_pwm: unknown ioctl\n"); ++ break; ++ } ++ }; ++ return retval; ++}; ++ ++ ++ ++static int module_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("fox_pwm: trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(foxpwm_is_open) { ++ printk("fox_pwm: Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ ++ // more flaming ++ printk("fox_pwm: Minor %d has been opened\n", dev_minor); ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int module_close(struct inode * inode, struct file * file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // remember that the device has been closed ++ foxpwm_is_open = 0; ++ ++ ++ // more flaming ++ printk("fox_pwm: Minor %d has been closed\n", dev_minor); ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations foxpwm_module_fops = { ++ ioctl: module_ioctl, ++ open: module_open, ++ release: module_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int __init mod_init(void){ ++ // flame the kprintk ++ printk("fox_pwm: FOX-VHDL FPGA PWM module\n"); ++ //printk("fox_pwm: Made by K. John '2B|!2B' Crispin (john@phrozen.org)\n"); ++ //printk("fox_pwm: Starting ...\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &foxpwm_module_fops)) { ++ printk( "fox_pwm: Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ ++ // remember that the driver has been opened ++ foxpwm_is_open = 0; ++ printk("fox_pwm: Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void __exit mod_exit(void){ ++ printk( "fox_pwm: Cleanup\n" ); ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++module_init (mod_init); ++module_exit (mod_exit); ++ ++ ++ ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_pwm/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_pwm/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_pwm/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_pwm/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_FOXBONE_PWM) += fox_pwm.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_timebase/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/fox_timebase/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_timebase/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_timebase/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,16 @@ ++// prototypes for foxbone compliant modules ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_timebase/fox_timebase.c linux-2.6.19.2/drivers/fox-vhdl/fox_timebase/fox_timebase.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_timebase/fox_timebase.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_timebase/fox_timebase.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,168 @@ ++/* ++ fox_timebase.c ++ Linux Kernel Driver for FoxBone TimeBase on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++ ++#define DEV_NAME "timebase" ++#define DEV_MAJOR 191 ++ ++#include "foxbone.h" ++ ++unsigned char foxtimebase_is_open = 0; ++ ++ ++#define IOCTL_FOXBONE_TIMEBASE_ENABLE 0x4645 ++#define IOCTL_FOXBONE_TIMEBASE_DISABLE 0x4646 ++#define IOCTL_FOXBONE_TIMEBASE_SETLO 0x4647 ++#define IOCTL_FOXBONE_TIMEBASE_SETHI 0x4648 ++ ++// the app has send us some control data ++static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ //copy_to_user((char*)arg, (char*)&audio_data, sizeof(AUDIO_DATA)); ++ //copy_from_user((char*)&mp3_beep, (char*)arg, sizeof(MP3_BEEP)); ++ int retval = 0; ++ switch (cmd) { ++ case IOCTL_FOXBONE_TIMEBASE_ENABLE: ++ foxbone_write(0x0100, 0x01); ++ break; ++ ++ case IOCTL_FOXBONE_TIMEBASE_DISABLE: ++ foxbone_write(0x0100, 0x00); ++ break; ++ ++ case IOCTL_FOXBONE_TIMEBASE_SETLO: ++ foxbone_write(0x0100, 0x00); ++ foxbone_write(0x0102, arg); ++ foxbone_write(0x0100, 0x01); ++ break; ++ ++ case IOCTL_FOXBONE_TIMEBASE_SETHI: ++ foxbone_write(0x0100, 0x00); ++ foxbone_write(0x0103, arg); ++ foxbone_write(0x0100, 0x01); ++ break; ++ ++ default: ++ printk("fox_timebase: unknown ioctl\n"); ++ break; ++ } ++ ++ return retval; ++}; ++ ++ ++ ++static int module_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("fox_timebase: trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(foxtimebase_is_open) { ++ printk("fox_timebase: Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ ++ // more flaming ++ printk("fox_timebase: Minor %d has been opened\n", dev_minor); ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int module_close(struct inode * inode, struct file * file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // remember that the device has been closed ++ foxtimebase_is_open = 0; ++ ++ ++ // more flaming ++ printk("fox_timebase: Minor %d has been closed\n", dev_minor); ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations foxtimebase_module_fops = { ++ ioctl: module_ioctl, ++ open: module_open, ++ release: module_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int __init mod_init(void){ ++ // flame the kprintk ++ printk("fox_timebase: FOX-VHDL FPGA timebase module\n"); ++ //printk("fox_timebase: Made by K. John '2B|!2B' Crispin (john@phrozen.org)\n"); ++ //printk("fox_timebase: Starting ...\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &foxtimebase_module_fops)) { ++ printk( "fox_timebase: Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ ++ // remember that the driver has been opened ++ foxtimebase_is_open = 0; ++ printk("fox_timebase: Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void __exit mod_exit(void){ ++ printk( "fox_timebase: Cleanup\n" ); ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++module_init (mod_init); ++module_exit (mod_exit); ++ ++ ++ ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_timebase/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_timebase/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_timebase/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_timebase/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_FOXBONE_TIMEBASE) += fox_timebase.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/fb.bak linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/fb.bak +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/fb.bak 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/fb.bak 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,661 @@ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/errno.h> ++#include <linux/string.h> ++#include <linux/mm.h> ++#include <linux/tty.h> ++#include <linux/slab.h> ++#include <linux/vmalloc.h> ++#include <linux/delay.h> ++#include <linux/interrupt.h> ++#include <linux/platform_device.h> ++ ++#include <asm/uaccess.h> ++#include <linux/fb.h> ++#include <linux/init.h> ++ ++#include "foxbone.h" ++ ++ ++#if 0 ++#define DBG(x) x ++#else ++#define DBG(x) ++#endif ++ ++ ++ ++// software delay ++void FOXVHDL_delay(int ms) { ++ int i,a; ++ int delayvar=10; ++ ++ for (a=0;a<ms;a++) { ++ for (i=0;i<35;i++) { ++ delayvar*=2; ++ delayvar/=2; ++ } ++ } ++} ++ ++ ++ ++/* ++|| ++|| FOXVHDL CTL functions ++|| ++*/ ++ ++ ++static unsigned char FOXVHDL_current_bank = 0xff; ++ ++static unsigned char blitting = 1; ++ ++static unsigned char refreshrate = 6; ++ ++ ++ ++unsigned int FOXVHDL_translate_BGR(unsigned char blue, unsigned char green, unsigned char red) { ++ // translate the three color passed in a single 16 bit color word ++ unsigned int result = ((blue>>3)<<11) | ((green>>2)<<5) | (red>>3); ++ return result; ++} ++ ++ ++ ++ ++// wait until the videostate pin has the wanted value ++void FOXVHDL_wait_videostate(unsigned char wait_state){ ++/* unsigned char vid_state = 0; ++ unsigned int max_error = 0xffff; ++ //printk("Start wait\n"); ++ do { ++ vid_state = FOXVHDL_get_bit_B(Fox_line_VideoState); ++ max_error--; ++ } while((vid_state != wait_state)&&(max_error > 10)); ++ */ ++ DBG(if(max_error < 11){printk("Stop wait\n");};) ++}; ++ ++ ++// choose the bank that we want to display ++// OG5 == 0 --> Bank0 ++// OG5 == 1 --> Bank1 ++void FOXVHDL_set_bank(unsigned char bank){ ++ DBG(printk("%d, %d\n",FOXVHDL_current_bank, bank);) ++ if(FOXVHDL_current_bank == bank){ ++ return; ++ }; ++ ++ DBG(printk("FOXVHDL_set_bank\n");) ++ ++ FOXVHDL_current_bank = bank; ++ foxbone_write(0x7001, FOXVHDL_current_bank); ++ ++ ++}; ++ ++ ++// blit the bank ++void FOXVHDL_swap_bank(void){ ++ FOXVHDL_set_bank((FOXVHDL_current_bank)?(0):(1)); ++}; ++ ++ ++// initialise the I/O pins ++void FOXVHDL_init(void){ ++ DBG(printk("FOXVHDL_init\n");) ++ ++ FOXVHDL_current_bank = 0; ++ ++ FOXVHDL_set_bank(1); ++ ++}; ++ ++/* ++|| ++|| FOXVHDL IMAGE FUNCTIONS ++|| ++*/ ++#define Fox_line_WriteData (1<<2) ++ ++void FOXVHDL_blit(unsigned short int *image){ ++ unsigned long i; ++ unsigned int fb_ctl_reg; ++ ++ if(blitting){ ++ // reset the address pointer ++ fb_ctl_reg = foxbone_read(0x7001); ++ fb_ctl_reg |= (1<<4); ++ foxbone_write(0x7001, fb_ctl_reg); ++ fb_ctl_reg &= ~(1<<4); ++ foxbone_write(0x7001, fb_ctl_reg); ++ ++ foxbone_write(0x7000, image[0]); ++ genconfig_shadow |= IO_MASK(R_GEN_CONFIG,g8_15dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++ genconfig_shadow |= IO_MASK(R_GEN_CONFIG,g16_23dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++ ++ for(i = 1; i < 640 * 400; i++){ ++ ++ *R_PORT_G_DATA = port_g_data_shadow = ++ (port_g_data_shadow & 0xff0000ff) | image[i]<<8; ++ *R_PORT_G_DATA = port_g_data_shadow |= Fox_line_WriteData; ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_WriteData; ++ }; ++ for(i = 0; i <6144; i++){ ++ foxbone_write_next(0); ++ }; ++ FOXVHDL_swap_bank(); ++ }; ++}; ++ ++ ++ ++ ++ ++ ++/* ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|| ++|| FRAMEBUFFER CODE ++|| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++ ++*/ ++ ++ ++ ++ ++#define VIDEOMEMSIZE (640 * 400 * 2) //512K ++ ++static void *videomemory; ++static u_long videomemorysize = VIDEOMEMSIZE; ++ ++static unsigned char fb_started = 0; ++ ++static struct fb_var_screeninfo foxfb_default __initdata = { ++ .xres = 640, ++ .yres = 400, ++ .xres_virtual = 640, ++ .yres_virtual = 400, ++ .bits_per_pixel = 16, ++ .red = { 0, 5, 0 }, ++ .green = { 5, 6, 0 }, ++ .blue = { 11, 5, 0 }, ++ .activate = FB_ACTIVATE_NOW, ++ .height = -1, ++ .width = -1, ++ .vmode = FB_VMODE_NONINTERLACED, ++}; ++ ++static struct fb_fix_screeninfo foxfb_fix __initdata = { ++ .id = "FOX-VHDL FB", ++ .type = FB_TYPE_PACKED_PIXELS, ++ .visual = FB_VISUAL_TRUECOLOR, ++ .xpanstep = 1, ++ .ypanstep = 1, ++ .ywrapstep = 1, ++ .accel = FB_ACCEL_NONE, ++}; ++ ++static int foxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info); ++static int foxfb_set_par(struct fb_info *info); ++static int foxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info); ++static int foxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info); ++static int foxfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma); ++static void foxfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); ++static void foxfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); ++static void foxfb_imageblit(struct fb_info *info, const struct fb_image *image); ++ ++static int foxfb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); ++ ++static struct fb_ops foxfb_ops = { ++ .fb_check_var = foxfb_check_var, ++ .fb_set_par = foxfb_set_par, ++ .fb_setcolreg = foxfb_setcolreg, ++ ++ .fb_pan_display = foxfb_pan_display, ++ .fb_fillrect = foxfb_fillrect, //cfb_fillrect, ++ .fb_copyarea = foxfb_copyarea, //cfb_copyarea, ++ .fb_imageblit = foxfb_imageblit,//cfb_imageblit, ++ .fb_mmap = foxfb_mmap, ++ .fb_ioctl = foxfb_ioctl, ++}; ++ ++// this function is defined in fbmem.c ++extern int fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); ++ ++// this should be a free one ++#define FOX_FBIOGET_SCREEN 0x4642 ++#define FOX_FBBLIT 0x4643 ++#define FOX_FB_RATE 0x4645 ++#define FOX_FB_TFT 0x4646 ++static int foxfb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg){ ++ void __user *argp = (void __user *)arg; ++ unsigned int fb_ctl_reg; ++ switch(cmd){ ++ // this assumes that arg points to a VIDEOMEMSIZE area of memory in user space ++ case FOX_FBIOGET_SCREEN: ++ if(copy_to_user(argp, videomemory, VIDEOMEMSIZE)){ ++ return 0; ++ } else { ++ return -1; ++ }; ++ case FOX_FBBLIT: ++ fb_ctl_reg = foxbone_read(0x7001); ++ if(arg){ ++ printk("Enable FB\n"); ++ fb_ctl_reg &= ~(1<<1); ++ } else { ++ printk("Disable FB\n"); ++ fb_ctl_reg |= (1<<1); ++ }; ++ blitting = arg; ++ foxbone_write(0x7001, fb_ctl_reg); ++ break; ++ case FOX_FB_RATE: ++ if((arg > 9) || (arg < 1)){ ++ printk("fb0 : Illegal refreshrate\n"); ++ break; ++ }; ++ refreshrate = arg; ++ printk("fb0 : new refreshrate\n"); ++ break; ++ case FOX_FB_TFT: ++ fb_ctl_reg = foxbone_read(0x7001); ++ if(arg){ ++ printk("Enable TFT\n"); ++ fb_ctl_reg |= (1<<3); ++ } else { ++ printk("Disable TFT\n"); ++ fb_ctl_reg &= ~(1<<3); ++ }; ++ foxbone_write(0x7001, fb_ctl_reg); ++ break; ++ default: ++ return fb_ioctl(inode, file, cmd, arg); ++ }; ++ return 0; ++}; ++ ++// TODO add our own optimized code here ++static void foxfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect){ ++ cfb_fillrect(info, rect); ++}; ++ ++ ++// TODO add our own optimized code here ++static void foxfb_copyarea(struct fb_info *info, const struct fb_copyarea *area){ ++ cfb_copyarea(info, area); ++}; ++ ++// TODO add our own optimized code here ++static void foxfb_imageblit(struct fb_info *info, const struct fb_image *image){ ++ cfb_imageblit(info, image); ++}; ++ ++ ++/* ++ * Internal routines ++ */ ++ ++static u_long get_line_length(int xres_virtual, int bpp) ++{ ++ u_long length; ++ ++ length = xres_virtual * bpp; ++ length = (length + 31) & ~31; ++ length >>= 3; ++ return (length); ++} ++ ++ /* ++ * Setting the video mode has been split into two parts. ++ * First part, xxxfb_check_var, must not write anything ++ * to hardware, it should only verify and adjust var. ++ * This means it doesn't alter par but it does use hardware ++ * data from it to check this var. ++ */ ++ ++static int foxfb_check_var(struct fb_var_screeninfo *var, ++ struct fb_info *info) ++{ ++ u_long line_length; ++ ++ if (var->vmode & FB_VMODE_CONUPDATE) { ++ var->vmode |= FB_VMODE_YWRAP; ++ var->xoffset = info->var.xoffset; ++ var->yoffset = info->var.yoffset; ++ } ++ ++ var->xres = 640; ++ var->yres = 400; ++ ++ var->bits_per_pixel = 16; ++ ++ if (var->xres_virtual < var->xoffset + var->xres) ++ var->xres_virtual = var->xoffset + var->xres; ++ if (var->yres_virtual < var->yoffset + var->yres) ++ var->yres_virtual = var->yoffset + var->yres; ++ ++ line_length = get_line_length(var->xres_virtual, var->bits_per_pixel); ++ if (line_length * var->yres_virtual > videomemorysize) ++ return -ENOMEM; ++ ++ var->red.offset = 0; ++ var->red.length = 5; ++ var->green.offset = 5; ++ var->green.length = 6; ++ var->blue.offset = 11; ++ var->blue.length = 5; ++ var->transp.offset = 0; ++ var->transp.length = 0; ++ var->red.msb_right = 0; ++ var->green.msb_right = 0; ++ var->blue.msb_right = 0; ++ var->transp.msb_right = 0; ++ ++ return 0; ++} ++ ++ ++ ++/* This routine actually sets the video mode. It's in here where we ++ * the hardware state info->par and fix which can be affected by the ++ * change in par. For this driver it doesn't do much. ++ */ ++static int foxfb_set_par(struct fb_info *info){ ++ info->fix.line_length = get_line_length(info->var.xres_virtual, info->var.bits_per_pixel); ++ return 0; ++} ++ ++/* ++ * Set a single color register. The values supplied are already ++ * rounded down to the hardware's capabilities (according to the ++ * entries in the var structure). Return != 0 for invalid regno. ++ */ ++ ++ ++static int foxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info){ ++ if (regno >= 256) /* no. of hw registers */ ++ return 1; ++ ++ /* grayscale works only partially under directcolor */ ++ if (info->var.grayscale) { ++ /* grayscale = 0.30*R + 0.59*G + 0.11*B */ ++ red = green = blue = ++ (red * 77 + green * 151 + blue * 28) >> 8; ++ } ++ ++ /* Directcolor: ++ * var->{color}.offset contains start of bitfield ++ * var->{color}.length contains length of bitfield ++ * {hardwarespecific} contains width of RAMDAC ++ * cmap[X] is programmed to (X << red.offset) | (X << green.offset) | (X << blue.offset) ++ * RAMDAC[X] is programmed to (red, green, blue) ++ * ++ * Pseudocolor: ++ * uses offset = 0 && length = RAMDAC register width. ++ * var->{color}.offset is 0 ++ * var->{color}.length contains widht of DAC ++ * cmap is not used ++ * RAMDAC[X] is programmed to (red, green, blue) ++ * Truecolor: ++ * does not use DAC. Usually 3 are present. ++ * var->{color}.offset contains start of bitfield ++ * var->{color}.length contains length of bitfield ++ * cmap is programmed to (red << red.offset) | (green << green.offset) | ++ * (blue << blue.offset) | (transp << transp.offset) ++ * RAMDAC does not exist ++ */ ++#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16) ++ switch (info->fix.visual) { ++ case FB_VISUAL_TRUECOLOR: ++ case FB_VISUAL_PSEUDOCOLOR: ++ red = CNVT_TOHW(red, info->var.red.length); ++ green = CNVT_TOHW(green, info->var.green.length); ++ blue = CNVT_TOHW(blue, info->var.blue.length); ++ transp = CNVT_TOHW(transp, info->var.transp.length); ++ break; ++ case FB_VISUAL_DIRECTCOLOR: ++ red = CNVT_TOHW(red, 8); /* expect 8 bit DAC */ ++ green = CNVT_TOHW(green, 8); ++ blue = CNVT_TOHW(blue, 8); ++ /* hey, there is bug in transp handling... */ ++ transp = CNVT_TOHW(transp, 8); ++ break; ++ } ++#undef CNVT_TOHW ++ /* Truecolor has hardware independent palette */ ++ if (info->fix.visual == FB_VISUAL_TRUECOLOR) { ++ u32 v; ++ ++ if (regno >= 16) ++ return 1; ++ ++ v = (red << info->var.red.offset) | ++ (green << info->var.green.offset) | ++ (blue << info->var.blue.offset) | ++ (transp << info->var.transp.offset); ++ switch (info->var.bits_per_pixel) { ++ case 8: ++ break; ++ case 16: ++ ((u32 *) (info->pseudo_palette))[regno] = v; ++ break; ++ case 24: ++ case 32: ++ ((u32 *) (info->pseudo_palette))[regno] = v; ++ break; ++ } ++ return 0; ++ } ++ return 0; ++} ++ ++ /* ++ * Pan or Wrap the Display ++ * ++ * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag ++ */ ++ ++static int foxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info){ ++ if (var->vmode & FB_VMODE_YWRAP) { ++ if (var->yoffset < 0 ++ || var->yoffset >= info->var.yres_virtual ++ || var->xoffset) ++ return -EINVAL; ++ } else { ++ if (var->xoffset + var->xres > info->var.xres_virtual || ++ var->yoffset + var->yres > info->var.yres_virtual) ++ return -EINVAL; ++ } ++ info->var.xoffset = var->xoffset; ++ info->var.yoffset = var->yoffset; ++ if (var->vmode & FB_VMODE_YWRAP) ++ info->var.vmode |= FB_VMODE_YWRAP; ++ else ++ info->var.vmode &= ~FB_VMODE_YWRAP; ++ return 0; ++} ++ ++/* ++ * Most drivers don't need their own mmap function ++ */ ++ ++static int foxfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma){ ++ unsigned long page, pos; ++ unsigned long start = vma->vm_start; ++ unsigned long size = vma->vm_end-vma->vm_start; ++ printk("mmap : %ld %ld\n", size, info->fix.smem_len); ++ //if (size > info->fix.smem_len){ ++ // return -EINVAL; ++ //} ++ printk("MMAP2\n"); ++ pos = (unsigned long) info->screen_base; ++ while (size > 0) { ++ page = page_to_pfn(vmalloc_to_page((void *)pos)); ++ if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) ++ return -EAGAIN; ++ start += PAGE_SIZE; ++ pos += PAGE_SIZE; ++ if (size > PAGE_SIZE) ++ size -= PAGE_SIZE; ++ else ++ size = 0; ++ } ++ return 0; ++} ++ ++ ++ ++ ++ ++// our timer ++struct timer_list foxfb_timer; ++ ++ ++// the prototype for the callback ++static void foxfb_timer_callback(unsigned long ptr); ++ ++ ++// setup the mmc timer ++static void foxfb_timer_setup(void){ ++ init_timer(&foxfb_timer); ++ foxfb_timer.function = foxfb_timer_callback; ++ foxfb_timer.data = 0; ++ foxfb_timer.expires = jiffies + ( HZ / refreshrate); ++ add_timer(&foxfb_timer); ++}; ++ ++ ++// the timer callback function that detects if the card status has changed ++static void foxfb_timer_callback(unsigned long ptr){ ++ del_timer(&foxfb_timer); ++ FOXVHDL_blit(videomemory); ++ foxfb_timer_setup(); ++}; ++ ++ ++static void foxfb_platform_release(struct device *device){ ++ // This is called when the reference count goes to zero. ++} ++ ++ ++static int __init foxfb_probe(struct platform_device *dev){ ++ struct fb_info *info; ++ int retval = -ENOMEM; ++ ++ if (!(videomemory = vmalloc(videomemorysize))) ++ return retval; ++ ++ memset(videomemory, 0, videomemorysize); ++ ++ info = framebuffer_alloc(sizeof(u32) * 256, &dev->dev); ++ if (!info) ++ goto err; ++ ++ info->screen_base = (char*)videomemory; ++ info->fbops = &foxfb_ops; ++ info->fix.smem_len = videomemorysize; ++ retval = fb_find_mode(&info->var, info, NULL, ++ NULL, 0, NULL, 8); ++ ++ if (!retval || (retval == 4)) ++ info->var = foxfb_default; ++ ++ info->fix = foxfb_fix; ++ info->pseudo_palette = info->par; ++ info->par = NULL; ++ info->flags = FBINFO_FLAG_DEFAULT; ++ ++ retval = fb_alloc_cmap(&info->cmap, 256, 0); ++ if (retval < 0) ++ goto err1; ++ ++ retval = register_framebuffer(info); ++ if (retval < 0) ++ goto err2; ++ platform_set_drvdata(dev, info); ++ ++ printk(KERN_INFO ++ "fb%d: FOX-VHDL frame buffer device, using %ldK of video memory\n", ++ info->node, videomemorysize >> 10); ++ ++ ++ //FOXVHDL_blit(videomemory); ++ foxfb_timer_setup(); ++ return 0; ++err2: ++ fb_dealloc_cmap(&info->cmap); ++err1: ++ framebuffer_release(info); ++err: ++ vfree(videomemory); ++ return retval; ++} ++ ++static int foxfb_remove(struct platform_device *dev) ++{ ++ struct fb_info *info = platform_get_drvdata(dev); ++ ++ if (info) { ++ unregister_framebuffer(info); ++ vfree(videomemory); ++ framebuffer_release(info); ++ } ++ return 0; ++} ++ ++static struct platform_driver foxfb_driver = { ++ .probe = foxfb_probe, ++ .remove = foxfb_remove, ++ .driver = { ++ .name = "foxfb", ++ }, ++}; ++ ++static struct platform_device foxfb_device = { ++ .name = "foxfb", ++ .id = 0, ++ .dev = { ++ .release = foxfb_platform_release, ++ } ++}; ++ ++static int __init foxfb_init(void) ++{ ++ int ret = 0; ++ refreshrate = 8; ++ printk(KERN_INFO "fb: Initialising framebuffer\n"); ++ ++ FOXVHDL_init(); ++ ++ ret = platform_driver_register(&foxfb_driver); ++ ++ if (!ret) { ++ ret = platform_device_register(&foxfb_device); ++ if (ret) ++ platform_driver_unregister(&foxfb_driver); ++ } ++ fb_started = 1; ++ return ret; ++} ++ ++static void __exit foxfb_exit(void) ++{ ++ platform_device_unregister(&foxfb_device); ++ platform_driver_unregister(&foxfb_driver); ++} ++ ++module_exit(foxfb_exit); ++module_init(foxfb_init); ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("K. John '2B|!2B' Crispin"); ++MODULE_DESCRIPTION("FOX-VHDL Framebuffer Driver"); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/foxbone.h linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/foxbone.h +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/foxbone.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/foxbone.h 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,20 @@ ++// prototypes for foxbone compliant modules ++ ++extern unsigned int FOXBONE_release; ++extern unsigned int FOXBONE_application1; ++extern unsigned int FOXBONE_application2; ++extern unsigned int FOXBONE_application3; ++ ++void foxbone_write(unsigned int add, unsigned int data); ++ ++unsigned int foxbone_read(unsigned int add); ++ ++void foxbone_write_next(unsigned data); ++ ++unsigned int foxbone_read_next(void); ++ ++void foxbone_initialise_bus(void); ++ ++void foxbone_lock(void); ++ ++void foxbone_unlock(void); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/foxvhdlfb.c linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/foxvhdlfb.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/foxvhdlfb.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/foxvhdlfb.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,691 @@ ++/* ++ foxvhdlfb.c ++ Linux Kernel Driver for FoxBone FrameBuffer on FOX VHDL Board ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/errno.h> ++#include <linux/string.h> ++#include <linux/mm.h> ++#include <linux/tty.h> ++#include <linux/slab.h> ++#include <linux/vmalloc.h> ++#include <linux/delay.h> ++#include <linux/interrupt.h> ++#include <linux/platform_device.h> ++ ++#include <asm/uaccess.h> ++#include <linux/fb.h> ++#include <linux/init.h> ++ ++#include "foxbone.h" ++ ++ ++#if 0 ++#define DBG(x) x ++#else ++#define DBG(x) ++#endif ++ ++ ++/* ++|| ++|| FOXVHDL CTL functions ++|| ++*/ ++ ++ ++static unsigned char FOXVHDL_current_bank = 0xff; ++ ++static unsigned char blitting = 1; ++ ++static unsigned char refreshrate = 6; ++ ++ ++ ++unsigned int FOXVHDL_translate_BGR(unsigned char blue, unsigned char green, unsigned char red) { ++ // translate the three color passed in a single 16 bit color word ++ unsigned int result = ((blue>>3)<<11) | ((green>>2)<<5) | (red>>3); ++ return result; ++} ++ ++ ++ ++ ++// wait until the videostate pin has the wanted value ++void FOXVHDL_wait_videostate(unsigned char wait_state){ ++/* unsigned char vid_state = 0; ++ unsigned int max_error = 0xffff; ++ //printk("Start wait\n"); ++ do { ++ vid_state = FOXVHDL_get_bit_B(Fox_line_VideoState); ++ max_error--; ++ } while((vid_state != wait_state)&&(max_error > 10)); ++ */ ++ DBG(if(max_error < 11){printk("Stop wait\n");};) ++}; ++ ++ ++// choose the bank that we want to display ++// OG5 == 0 --> Bank0 ++// OG5 == 1 --> Bank1 ++void FOXVHDL_set_bank(unsigned char bank){ ++ DBG(printk("%d, %d\n",FOXVHDL_current_bank, bank);) ++ if(FOXVHDL_current_bank == bank){ ++ return; ++ }; ++ ++ DBG(printk("FOXVHDL_set_bank\n");) ++ ++ FOXVHDL_current_bank = bank; ++ foxbone_write(0x7001, FOXVHDL_current_bank); ++ ++ ++}; ++ ++ ++// blit the bank ++void FOXVHDL_swap_bank(void){ ++ FOXVHDL_set_bank((FOXVHDL_current_bank)?(0):(1)); ++}; ++ ++ ++// initialise the I/O pins ++void FOXVHDL_init(void){ ++ DBG(printk("FOXVHDL_init\n");) ++ ++ FOXVHDL_current_bank = 0; ++ ++ FOXVHDL_set_bank(1); ++ ++}; ++ ++/* ++|| ++|| FOXVHDL IMAGE FUNCTIONS ++|| ++*/ ++#define Fox_line_WriteData (1<<2) ++ ++// for performance reasons, we do not use the foxbone access functions here ++// we rather use an optimised algorithm. blitting now only takes about 6 ms. ++// meaning we can that effectivley achieve 17 frame. however the refresh rate by ++// default is 4 fps ++ ++#if 0 ++#define DBG_TIMER(x) x ++#else ++#define DBG_TIMER(x) ++#endif ++ ++#if 0 ++#define DOUBLE_DATA_RATE ++#endif ++ ++void FOXVHDL_blit(unsigned short int *image){ ++ unsigned long i; ++ unsigned int fb_ctl_reg; ++ ++ if(blitting){ ++ foxbone_lock(); ++ DBG_TIMER(unsigned long j = jiffies;) ++ // reset the address pointer ++ fb_ctl_reg = foxbone_read(0x7001); ++ fb_ctl_reg |= (1<<4); ++ foxbone_write(0x7001, fb_ctl_reg); ++ fb_ctl_reg &= ~(1<<4); ++ foxbone_write(0x7001, fb_ctl_reg); ++ ++ foxbone_write(0x7000, image[0]); ++ genconfig_shadow |= IO_MASK(R_GEN_CONFIG,g8_15dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++ genconfig_shadow |= IO_MASK(R_GEN_CONFIG,g16_23dir); ++ *R_GEN_CONFIG = genconfig_shadow; ++ ++ *R_PORT_G_DATA = port_g_data_shadow = (port_g_data_shadow & 0xff0000ff); ++ ++ ++#ifdef DOUBLE_DATA_RATE ++ ++ unsigned long def_val = (port_g_data_shadow & 0xff0000ff); ++ for(i = 1; i < 640 * 400; i+=2){ ++ *R_PORT_G_DATA = port_g_data_shadow = def_val | image[i]<<8 | Fox_line_WriteData; ++ *R_PORT_G_DATA = port_g_data_shadow = def_val | image[i+1]<<8; ++ }; ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_WriteData; ++ ++#else ++ ++ unsigned long def_val = (port_g_data_shadow & 0xff0000ff) | Fox_line_WriteData; ++ for(i = 1; i < 640 * 400; i++){ ++ *R_PORT_G_DATA = port_g_data_shadow = def_val | image[i]<<8; ++ *R_PORT_G_DATA = port_g_data_shadow &= ~Fox_line_WriteData; ++ }; ++#endif ++ foxbone_unlock(); ++ FOXVHDL_swap_bank(); ++ DBG_TIMER(printk("%ld\n", jiffies - j);) ++ ++ }; ++}; ++ ++ ++ ++ ++ ++ ++/* ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|| ++|| FRAMEBUFFER CODE ++|| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++ ++*/ ++ ++ ++ ++ ++#define VIDEOMEMSIZE (640 * 400 * 2) //512K ++ ++static void *videomemory; ++static u_long videomemorysize = VIDEOMEMSIZE; ++ ++static unsigned char fb_started = 0; ++ ++static unsigned char fb_update = 0; ++ ++static unsigned char fb_mmap_enable = 0; ++ ++static struct fb_var_screeninfo foxfb_default __initdata = { ++ .xres = 640, ++ .yres = 400, ++ .xres_virtual = 640, ++ .yres_virtual = 400, ++ .bits_per_pixel = 16, ++ .red = { 0, 5, 0 }, ++ .green = { 5, 6, 0 }, ++ .blue = { 11, 5, 0 }, ++ .activate = FB_ACTIVATE_NOW, ++ .height = -1, ++ .width = -1, ++ .vmode = FB_VMODE_NONINTERLACED, ++}; ++ ++static struct fb_fix_screeninfo foxfb_fix __initdata = { ++ .id = "FOX-VHDL FB", ++ .type = FB_TYPE_PACKED_PIXELS, ++ .visual = FB_VISUAL_TRUECOLOR, ++ .xpanstep = 1, ++ .ypanstep = 1, ++ .ywrapstep = 1, ++ .accel = FB_ACCEL_NONE, ++}; ++ ++static int foxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info); ++static int foxfb_set_par(struct fb_info *info); ++static int foxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info); ++static int foxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info); ++static int foxfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma); ++static void foxfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); ++static void foxfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); ++static void foxfb_imageblit(struct fb_info *info, const struct fb_image *image); ++ ++static int foxfb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); ++ ++static struct fb_ops foxfb_ops = { ++ .fb_check_var = foxfb_check_var, ++ .fb_set_par = foxfb_set_par, ++ .fb_setcolreg = foxfb_setcolreg, ++ ++ .fb_pan_display = foxfb_pan_display, ++ .fb_fillrect = foxfb_fillrect, //cfb_fillrect, ++ .fb_copyarea = foxfb_copyarea, //cfb_copyarea, ++ .fb_imageblit = foxfb_imageblit,//cfb_imageblit, ++ .fb_mmap = foxfb_mmap, ++ .fb_ioctl = foxfb_ioctl, ++}; ++ ++// this function is defined in fbmem.c ++extern int fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); ++ ++// this should be a free one ++#define FOX_FBIOGET_SCREEN 0x4642 ++#define FOX_FBBLIT 0x4643 ++#define FOX_FB_RATE 0x4645 ++#define FOX_FB_TFT 0x4646 ++static int foxfb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg){ ++ void __user *argp = (void __user *)arg; ++ unsigned int fb_ctl_reg; ++ switch(cmd){ ++ // this assumes that arg points to a VIDEOMEMSIZE area of memory in user space ++ case FOX_FBIOGET_SCREEN: ++ if(copy_to_user(argp, videomemory, VIDEOMEMSIZE)){ ++ return 0; ++ } else { ++ return -1; ++ }; ++ case FOX_FBBLIT: ++ fb_ctl_reg = foxbone_read(0x7001); ++ if(arg){ ++ printk("Enable FB\n"); ++ fb_ctl_reg &= ~(1<<1); ++ } else { ++ printk("Disable FB\n"); ++ fb_ctl_reg |= (1<<1); ++ }; ++ blitting = arg; ++ foxbone_write(0x7001, fb_ctl_reg); ++ break; ++ case FOX_FB_RATE: ++ if((arg > 9) || (arg < 1)){ ++ printk("fb0 : Illegal refreshrate\n"); ++ break; ++ }; ++ refreshrate = arg; ++ printk("fb0 : new refreshrate\n"); ++ break; ++ case FOX_FB_TFT: ++ fb_ctl_reg = foxbone_read(0x7001); ++ if(arg){ ++ printk("Enable TFT\n"); ++ fb_ctl_reg |= (1<<3); ++ } else { ++ printk("Disable TFT\n"); ++ fb_ctl_reg &= ~(1<<3); ++ }; ++ foxbone_write(0x7001, fb_ctl_reg); ++ break; ++ default: ++ return fb_ioctl(inode, file, cmd, arg); ++ }; ++ return 0; ++}; ++ ++// TODO add our own optimized code here ++static void foxfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect){ ++ cfb_fillrect(info, rect); ++ fb_update = 1; ++}; ++ ++ ++// TODO add our own optimized code here ++static void foxfb_copyarea(struct fb_info *info, const struct fb_copyarea *area){ ++ cfb_copyarea(info, area); ++ fb_update = 1; ++}; ++ ++// TODO add our own optimized code here ++static void foxfb_imageblit(struct fb_info *info, const struct fb_image *image){ ++ cfb_imageblit(info, image); ++ fb_update = 1; ++}; ++ ++ ++/* ++ * Internal routines ++ */ ++ ++static u_long get_line_length(int xres_virtual, int bpp) ++{ ++ u_long length; ++ ++ length = xres_virtual * bpp; ++ length = (length + 31) & ~31; ++ length >>= 3; ++ return (length); ++} ++ ++ /* ++ * Setting the video mode has been split into two parts. ++ * First part, xxxfb_check_var, must not write anything ++ * to hardware, it should only verify and adjust var. ++ * This means it doesn't alter par but it does use hardware ++ * data from it to check this var. ++ */ ++ ++static int foxfb_check_var(struct fb_var_screeninfo *var, ++ struct fb_info *info) ++{ ++ u_long line_length; ++ ++ if (var->vmode & FB_VMODE_CONUPDATE) { ++ var->vmode |= FB_VMODE_YWRAP; ++ var->xoffset = info->var.xoffset; ++ var->yoffset = info->var.yoffset; ++ } ++ ++ var->xres = 640; ++ var->yres = 400; ++ ++ var->bits_per_pixel = 16; ++ ++ if (var->xres_virtual < var->xoffset + var->xres) ++ var->xres_virtual = var->xoffset + var->xres; ++ if (var->yres_virtual < var->yoffset + var->yres) ++ var->yres_virtual = var->yoffset + var->yres; ++ ++ line_length = get_line_length(var->xres_virtual, var->bits_per_pixel); ++ if (line_length * var->yres_virtual > videomemorysize) ++ return -ENOMEM; ++ ++ var->red.offset = 0; ++ var->red.length = 5; ++ var->green.offset = 5; ++ var->green.length = 6; ++ var->blue.offset = 11; ++ var->blue.length = 5; ++ var->transp.offset = 0; ++ var->transp.length = 0; ++ var->red.msb_right = 0; ++ var->green.msb_right = 0; ++ var->blue.msb_right = 0; ++ var->transp.msb_right = 0; ++ ++ return 0; ++} ++ ++ ++ ++/* This routine actually sets the video mode. It's in here where we ++ * the hardware state info->par and fix which can be affected by the ++ * change in par. For this driver it doesn't do much. ++ */ ++static int foxfb_set_par(struct fb_info *info){ ++ info->fix.line_length = get_line_length(info->var.xres_virtual, info->var.bits_per_pixel); ++ return 0; ++} ++ ++/* ++ * Set a single color register. The values supplied are already ++ * rounded down to the hardware's capabilities (according to the ++ * entries in the var structure). Return != 0 for invalid regno. ++ */ ++ ++ ++static int foxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info){ ++ if (regno >= 256) /* no. of hw registers */ ++ return 1; ++ ++ /* grayscale works only partially under directcolor */ ++ if (info->var.grayscale) { ++ /* grayscale = 0.30*R + 0.59*G + 0.11*B */ ++ red = green = blue = ++ (red * 77 + green * 151 + blue * 28) >> 8; ++ } ++ ++#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16) ++ switch (info->fix.visual) { ++ case FB_VISUAL_TRUECOLOR: ++ case FB_VISUAL_PSEUDOCOLOR: ++ red = CNVT_TOHW(red, info->var.red.length); ++ green = CNVT_TOHW(green, info->var.green.length); ++ blue = CNVT_TOHW(blue, info->var.blue.length); ++ transp = CNVT_TOHW(transp, info->var.transp.length); ++ break; ++ case FB_VISUAL_DIRECTCOLOR: ++ red = CNVT_TOHW(red, 8); /* expect 8 bit DAC */ ++ green = CNVT_TOHW(green, 8); ++ blue = CNVT_TOHW(blue, 8); ++ /* hey, there is bug in transp handling... */ ++ transp = CNVT_TOHW(transp, 8); ++ break; ++ } ++#undef CNVT_TOHW ++ /* Truecolor has hardware independent palette */ ++ if (info->fix.visual == FB_VISUAL_TRUECOLOR) { ++ u32 v; ++ ++ if (regno >= 16) ++ return 1; ++ ++ v = (red << info->var.red.offset) | ++ (green << info->var.green.offset) | ++ (blue << info->var.blue.offset) | ++ (transp << info->var.transp.offset); ++ switch (info->var.bits_per_pixel) { ++ case 8: ++ break; ++ case 16: ++ ((u32 *) (info->pseudo_palette))[regno] = v; ++ break; ++ case 24: ++ case 32: ++ ((u32 *) (info->pseudo_palette))[regno] = v; ++ break; ++ } ++ return 0; ++ } ++ return 0; ++} ++ ++ ++static int foxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info){ ++ if (var->vmode & FB_VMODE_YWRAP) { ++ if (var->yoffset < 0 ++ || var->yoffset >= info->var.yres_virtual ++ || var->xoffset) ++ return -EINVAL; ++ } else { ++ if (var->xoffset + var->xres > info->var.xres_virtual || ++ var->yoffset + var->yres > info->var.yres_virtual) ++ return -EINVAL; ++ } ++ info->var.xoffset = var->xoffset; ++ info->var.yoffset = var->yoffset; ++ if (var->vmode & FB_VMODE_YWRAP) ++ info->var.vmode |= FB_VMODE_YWRAP; ++ else ++ info->var.vmode &= ~FB_VMODE_YWRAP; ++ return 0; ++} ++ ++ ++static int foxfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma){ ++ unsigned long page, pos; ++ unsigned long start = vma->vm_start; ++ unsigned long size = vma->vm_end-vma->vm_start; ++ fb_mmap_enable = 1; ++ printk("mmap : %ld %ld\n", size, (long)info->fix.smem_len); ++ //if (size > info->fix.smem_len){ ++ // return -EINVAL; ++ //} ++ pos = (unsigned long) info->screen_base; ++ while (size > 0) { ++ page = page_to_pfn(vmalloc_to_page((void *)pos)); ++ if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) ++ return -EAGAIN; ++ start += PAGE_SIZE; ++ pos += PAGE_SIZE; ++ if (size > PAGE_SIZE) ++ size -= PAGE_SIZE; ++ else ++ size = 0; ++ } ++ return 0; ++} ++ ++ ++// our timer ++struct timer_list foxfb_timer; ++ ++// are we currently blitting ? ++static unsigned char we_are_blitting = 0; ++ ++// the prototype for the callback ++static void foxfb_timer_callback(unsigned long ptr); ++ ++ ++static void tasklet_foxfb(unsigned long data); ++DECLARE_TASKLET(tl_foxfb_descr, tasklet_foxfb, 0L); ++static void tasklet_foxfb(unsigned long data){ ++ if(fb_update || fb_mmap_enable ){ ++ FOXVHDL_blit(videomemory); ++ } else { ++ DBG(printk("FBWAIT");) ++ }; ++ we_are_blitting = 0; ++ fb_update = 0; ++} ++ ++ ++// setup the fb timer ++static void foxfb_timer_setup(void){ ++ init_timer(&foxfb_timer); ++ foxfb_timer.function = foxfb_timer_callback; ++ foxfb_timer.data = 0; ++ foxfb_timer.expires = jiffies + ( HZ / refreshrate); ++ add_timer(&foxfb_timer); ++}; ++ ++ ++// the timer callback function that detects if the card status has changed ++static void foxfb_timer_callback(unsigned long ptr){ ++ if((!we_are_blitting)){ ++ we_are_blitting = 1; ++ del_timer(&foxfb_timer); ++ tasklet_schedule(&tl_foxfb_descr); ++ foxfb_timer_setup(); ++ }; ++}; ++ ++ ++static void foxfb_platform_release(struct device *device){ ++ // This is called when the reference count goes to zero. ++} ++ ++ ++static int __init foxfb_probe(struct platform_device *dev){ ++ struct fb_info *info; ++ int retval = -ENOMEM; ++ ++ if (!(videomemory = vmalloc(videomemorysize))) ++ return retval; ++ ++ memset(videomemory, 0, videomemorysize); ++ ++ info = framebuffer_alloc(sizeof(u32) * 256, &dev->dev); ++ if (!info) ++ goto err; ++ ++ info->screen_base = (char*)videomemory; ++ info->fbops = &foxfb_ops; ++ info->fix.smem_len = videomemorysize; ++ retval = fb_find_mode(&info->var, info, NULL, ++ NULL, 0, NULL, 8); ++ ++ if (!retval || (retval == 4)) ++ info->var = foxfb_default; ++ ++ info->fix = foxfb_fix; ++ info->pseudo_palette = info->par; ++ info->par = NULL; ++ info->flags = FBINFO_FLAG_DEFAULT; ++ //info->cursor.mode &= ~CURSOR_BLINK; ++ retval = fb_alloc_cmap(&info->cmap, 256, 0); ++ if (retval < 0) ++ goto err1; ++ ++ retval = register_framebuffer(info); ++ if (retval < 0) ++ goto err2; ++ platform_set_drvdata(dev, info); ++ ++ printk(KERN_INFO ++ "fb%d: FOX-VHDL frame buffer device, using %ldK of video memory\n", ++ info->node, videomemorysize >> 10); ++ ++ ++ //FOXVHDL_blit(videomemory); ++ foxfb_timer_setup(); ++ return 0; ++err2: ++ fb_dealloc_cmap(&info->cmap); ++err1: ++ framebuffer_release(info); ++err: ++ vfree(videomemory); ++ return retval; ++} ++ ++static int foxfb_remove(struct platform_device *dev) ++{ ++ struct fb_info *info = platform_get_drvdata(dev); ++ ++ if (info) { ++ unregister_framebuffer(info); ++ vfree(videomemory); ++ framebuffer_release(info); ++ } ++ return 0; ++} ++ ++static struct platform_driver foxfb_driver = { ++ .probe = foxfb_probe, ++ .remove = foxfb_remove, ++ .driver = { ++ .name = "foxfb", ++ }, ++}; ++ ++static struct platform_device foxfb_device = { ++ .name = "foxfb", ++ .id = 0, ++ .dev = { ++ .release = foxfb_platform_release, ++ } ++}; ++ ++static int __init foxfb_init(void) ++{ ++ int ret = 0; ++ refreshrate = 8; ++ printk(KERN_INFO "fb: Initialising framebuffer\n"); ++ ++ FOXVHDL_init(); ++ ++ ret = platform_driver_register(&foxfb_driver); ++ ++ if (!ret) { ++ ret = platform_device_register(&foxfb_device); ++ if (ret) ++ platform_driver_unregister(&foxfb_driver); ++ } ++ fb_started = 1; ++ return ret; ++} ++ ++static void __exit foxfb_exit(void) ++{ ++ platform_device_unregister(&foxfb_device); ++ platform_driver_unregister(&foxfb_driver); ++} ++ ++module_exit(foxfb_exit); ++module_init(foxfb_init); ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("K. John '2B|!2B' Crispin"); ++MODULE_DESCRIPTION("FOX-VHDL Framebuffer Driver"); +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/Makefile linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/fox_vhdl_fb/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/fox_vhdl_fb/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,5 @@ ++# Makefile for fox_vhdl drivers ++# 23.04.2006 <mailto:john@phrozen.org> ++ ++# the fox_vhdl_framebuffer driver ++obj-$(CONFIG_FOX_VHDL_FB) += foxvhdlfb.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/Kconfig linux-2.6.19.2/drivers/fox-vhdl/Kconfig +--- linux-2.6.19.2.orig/drivers/fox-vhdl/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/Kconfig 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,274 @@ ++menu "Acmesystems FPGA" ++ ++config FOX_VHDL ++ bool "Support for FOX-VHDL Board" ++ default n ++ ++config FOX_FPGA ++ bool "FPGA flash module" ++ depends on FOX_VHDL ++ help ++ Adds the module needed to flash the fpga from the FOX ++ ++config FOXBONE ++ bool "Basic FOXBONE support" ++ depends on FOX_VHDL ++ help ++ Include this to get basic FOXBONE support ++ ++config VT ++ bool "Virtual terminal (needed for framebuffer)" if EMBEDDED ++ select INPUT ++ default y if !VIOCONS ++ ---help--- ++ If you say Y here, you will get support for terminal devices with ++ display and keyboard devices. These are called "virtual" because you ++ can run several virtual terminals (also called virtual consoles) on ++ one physical terminal. This is rather useful, for example one ++ virtual terminal can collect system messages and warnings, another ++ one can be used for a text-mode user session, and a third could run ++ an X session, all in parallel. Switching between virtual terminals ++ is done with certain key combinations, usually Alt-<function key>. ++ ++ The setterm command ("man setterm") can be used to change the ++ properties (such as colors or beeping) of a virtual terminal. The ++ man page console_codes(4) ("man console_codes") contains the special ++ character sequences that can be used to change those properties ++ directly. The fonts used on virtual terminals can be changed with ++ the setfont ("man setfont") command and the key bindings are defined ++ with the loadkeys ("man loadkeys") command. ++ ++ You need at least one virtual terminal device in order to make use ++ of your keyboard and monitor. Therefore, only people configuring an ++ embedded system would want to say N here in order to save some ++ memory; the only way to log into such a system is then via a serial ++ or network connection. ++ ++ If unsure, say Y, or else you won't be able to do much with your new ++ shiny Linux system :-) ++ ++ ++menu "Framebuffer" ++depends on VT ++ ++config FB ++ bool "Support for frame buffer devices" ++ depends on VT ++ ---help--- ++ The frame buffer device provides an abstraction for the graphics ++ hardware. It represents the frame buffer of some video hardware and ++ allows application software to access the graphics hardware through ++ a well-defined interface, so the software doesn't need to know ++ anything about the low-level (hardware register) stuff. ++ ++ Frame buffer devices work identically across the different ++ architectures supported by Linux and make the implementation of ++ application programs easier and more portable; at this point, an X ++ server exists which uses the frame buffer device exclusively. ++ On several non-X86 architectures, the frame buffer device is the ++ only way to use the graphics hardware. ++ ++ The device is accessed through special device nodes, usually located ++ in the /dev directory, i.e. /dev/fb*. ++ ++ You need an utility program called fbset to make full use of frame ++ buffer devices. Please read <file:Documentation/fb/framebuffer.txt> ++ and the Framebuffer-HOWTO at ++ <http://www.tahallah.demon.co.uk/programming/prog.html> for more ++ information. ++ ++ Say Y here and to the driver for your graphics board below if you ++ are compiling a kernel for a non-x86 architecture. ++ ++ If you are compiling for the x86 architecture, you can say Y if you ++ want to play with it, but it is not essential. Please note that ++ running graphical applications that directly touch the hardware ++ (e.g. an accelerated X server) and that are not frame buffer ++ device-aware may cause unexpected results. If unsure, say N. ++ ++config FB_CFB_FILLRECT ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_fillrect function for generic software rectangle ++ filling. This is used by drivers that don't provide their own ++ (accelerated) version. ++ ++config FB_CFB_COPYAREA ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_copyarea function for generic software area copying. ++ This is used by drivers that don't provide their own (accelerated) ++ version. ++ ++config FB_CFB_IMAGEBLIT ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_imageblit function for generic software image ++ blitting. This is used by drivers that don't provide their own ++ (accelerated) version. ++config DUMMY_CONSOLE ++ bool "Dummy Console" ++ depends on FB ++ #PROM_CONSOLE!=y || VGA_CONSOLE!=y || SGI_NEWPORT_CONSOLE!=y ++ default n ++ ++config FRAMEBUFFER_CONSOLE ++ bool "Framebuffer Console support" ++ depends on FB ++ select CRC32 ++ help ++ Low-level framebuffer-based console driver. ++config LOGO ++ bool "Bootup logo" ++ depends on FB || SGI_NEWPORT_CONSOLE ++ help ++ Enable and select frame buffer bootup logos. ++ ++config LOGO_LINUX_CLUT224 ++ bool "Standard 224-color Linux logo" ++ depends on LOGO ++ default y ++config FONTS ++ bool "Select compiled-in fonts" ++ depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE ++ help ++ Say Y here if you would like to use fonts other than the default ++ your frame buffer console usually use. ++ ++ Note that the answer to this question won't directly affect the ++ kernel: saying N will just cause the configurator to skip all ++ the questions about foreign fonts. ++ ++ If unsure, say N (the default choices are safe). ++ ++config FONT_8x8 ++ bool "VGA 8x8 font" if FONTS ++ depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE ++ default y if !SPARC && !FONTS ++ help ++ This is the "high resolution" font for the VGA frame buffer (the one ++ provided by the text console 80x50 (and higher) modes). ++ ++ Note that this is a poor quality font. The VGA 8x16 font is quite a ++ lot more readable. ++ ++ Given the resolution provided by the frame buffer device, answer N ++ here is safe. ++ ++config FONT_8x16 ++ bool "VGA 8x16 font" if FONTS ++ depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE=y || STI_CONSOLE || USB_SISUSBVGA_CON ++ default y if !SPARC && !FONTS ++ help ++ This is the "high resolution" font for the VGA frame buffer (the one ++ provided by the VGA text console 80x25 mode. ++ ++ If unsure, say Y. ++ ++ ++config FOX_VHDL_FB ++ bool "FOX_VHDL Framebuffer" ++ depends on FOXBONE ++ depends on FB ++ select FB_CFB_FILLRECT ++ select FB_CFB_COPYAREA ++ select FB_CFB_IMAGEBLIT ++ select VT_CONSOLE ++ select DUMMY_CONSOLE ++ select FRAMEBUFFER_CONSOLE ++ select FONTS ++ select LOGO ++ select LOGO_LINUX_CLUT224 ++ ++config NANOXKBD ++ bool "nano-X keyboard support" ++ default n ++ depends on FOX_VHDL_FB ++ help ++ Enable the keyboard driver patches for nano-X ++ ++ ++ ++#if FOX_VHDL_FB ++ #source "drivers/video/console/Kconfig" ++#endif ++ ++#if FOX_VHDL_FB ++# source "drivers/video/logo/Kconfig" ++#endif ++ ++endmenu ++ ++ ++config FOXBONE_IO ++ bool "FOXBONE I/O pins" ++ depends on FOXBONE ++ help ++ Include this to get access to the I/O pins of the foxbone ++ ++config FOXBONE_TIMEBASE ++ bool "FOXBONE Timebase" ++ depends on FOXBONE ++ help ++ Include this to get access to the timebase part of the fpga ++ ++config FOXBONE_MMC ++ bool "FOXBONE MMC/SD module" ++ depends on FOXBONE ++ help ++ Include this to be able to access a mmc/sd card connected to J3 of the fox-vhdl board ++ ++config FOXBONE_PWM ++ bool "FOXBONE PWM module" ++ depends on FOXBONE ++ help ++ Include this to enable PWM support into the kernel ++ ++config FOXBONE_EVENT ++ bool "FOXBONE EVENT counter module" ++ depends on FOXBONE ++ help ++ Include this to enable foxbone event counter support ++ ++config FOXBONE_LOOPBACK ++ bool "FOXBONE Loopback module" ++ depends on FOXBONE ++ help ++ Include this to be able to load the loopback module, that you can base your own driver on ++ ++config FOXBONE_MULTIPLY ++ bool "FOXBONE Multiplier example" ++ depends on FOXBONE ++ help ++ Include this to use the 64 bit multiplier ++ ++menu "FOXBONE interrupt handlers" ++config FOXBONE_SAMPLE_ISR ++ bool "FOXBONE example interrupt handlers" ++ depends on FOXBONE ++ ++config FOXBONE_INT14 ++ bool "Int 14 - bit 0 of reg 0x13 set" ++ depends on FOXBONE_SAMPLE_ISR ++ ++config FOXBONE_INT31 ++ bool "Int 31 - bit 1 of reg 0x13 set" ++ depends on FOXBONE_SAMPLE_ISR ++ ++endmenu ++ ++ ++config ETRAX_CMDLINE ++ string "Kernel command line" ++ default "root=/dev/mtdblock3 init=/linuxrc console=ttyS0" ++ help ++ use if no framebuffer is enabled console=ttyS0 ++ use if framebuffer is enabled console=tty0 ++ ++endmenu +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/keyboard/Makefile linux-2.6.19.2/drivers/fox-vhdl/keyboard/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/keyboard/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/keyboard/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_NANOXKBD) += nanoxkbd.o +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/keyboard/nanoxkbd.c linux-2.6.19.2/drivers/fox-vhdl/keyboard/nanoxkbd.c +--- linux-2.6.19.2.orig/drivers/fox-vhdl/keyboard/nanoxkbd.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/keyboard/nanoxkbd.c 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,173 @@ ++/* ++ nanoxkbd.c ++ Linux Kernel Driver for Nanox Keyboard driver for FOX VHDL Board framebuffer ++ (based on FoxBone protocol interface specifications rel 0.7) ++ For more info see: http://www.acmesystems.it/?id=120 ++ Author: John Crispin ++ Copyright (C) 2006 Phrozen (http://www.phrozen.biz) ++ ++ This is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 2 of the License, or ++ (at your option) any later version. ++ ++ This example is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ To have a copy of the GNU General Public License write to the Free Software ++ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++*/ ++ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/version.h> ++#include <linux/init.h> ++#include <asm/uaccess.h> ++#include <asm/io.h> ++#include <linux/vmalloc.h> ++#include <linux/ioport.h> ++#include <linux/init.h> ++#include <linux/genhd.h> ++ ++#define DEV_NAME "keyboard" ++#define DEV_MAJOR 195 ++ ++ ++unsigned char nanoxkbd_is_open = 0; ++ ++#define MAX_KEYS 128 ++unsigned int keys[MAX_KEYS]; ++unsigned char keys_count = 0; ++unsigned char keys_pos = 0; ++ ++#define IOCTL_NANOXKBD_GET 0x7878 ++ ++unsigned char nanoxkbd_add(unsigned int keycode){ ++ if(nanoxkbd_is_open){ ++ if(keys_count < MAX_KEYS){ ++ keys[(keys_pos + keys_count) % MAX_KEYS] = keycode; ++ keys_count++; ++ printk("got key %d, %d, %d\n", keycode, keys_pos, keys_count); ++ }; ++ return 1; ++ }; ++ return 0; ++}; ++ ++// the app has send us some control data ++static int module_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg){ ++ //copy_to_user((char*)arg, (char*)&audio_data, sizeof(AUDIO_DATA)); ++ //copy_from_user((char*)&mp3_beep, (char*)arg, sizeof(MP3_BEEP)); ++ int retval = 0; ++ switch (cmd) { ++ case IOCTL_NANOXKBD_GET: ++ if(keys_count > 0){ ++ keys_count--; ++ copy_to_user((char*)arg, (char*)&keys[keys_pos], sizeof(unsigned int)); ++ keys_pos++; ++ if(keys_pos >= MAX_KEYS){ ++ keys_pos = 0; ++ }; ++ retval = 1; ++ }; ++ break; ++ ++ default: ++ printk("nanoxkbd: unknown ioctl\n"); ++ break; ++ } ++ ++ return retval; ++}; ++ ++ ++ ++static int module_open(struct inode *inode, struct file *file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // we only supprt minor 0 at the moment ++ if(dev_minor != 0){ ++ printk("nanoxkbd: trying to access unknown minor device -> %d\n", dev_minor); ++ return -ENODEV; ++ } ++ ++ // check if another app is currently using the device ++ if(nanoxkbd_is_open) { ++ printk("nanoxkbd: Device with minor ID %d already in use\n", dev_minor); ++ return -EBUSY; ++ } ++ nanoxkbd_is_open = 1; ++ ++ // more flaming ++ printk("nanoxkbd: Minor %d has been opened\n", dev_minor); ++ return 0; ++}; ++ ++ ++// gets called when an app closes the device ++static int module_close(struct inode * inode, struct file * file){ ++ // Which minor device is the user trying to access ? ++ unsigned int dev_minor = MINOR(inode->i_rdev); ++ ++ // remember that the device has been closed ++ nanoxkbd_is_open = 0; ++ ++ ++ // more flaming ++ printk("nanoxkbd: Minor %d has been closed\n", dev_minor); ++ ++ return 0; ++}; ++ ++// so the kernel knows which functions to access for a given operation ++struct file_operations nanoxkbd_module_fops = { ++ ioctl: module_ioctl, ++ open: module_open, ++ release: module_close ++}; ++ ++ ++// module gets loaded into kernel / char dev is registered ++static int __init mod_init(void){ ++ // flame the kprintk ++ printk("nanoxkbd: FOX-VHDL FPGA io module\n"); ++ //printk("nanoxkbd: Made by K. John '2B|!2B' Crispin (john@phrozen.org)\n"); ++ //printk("nanoxkbd: Starting ...\n"); ++ ++ // register the character device ++ if(register_chrdev(DEV_MAJOR, DEV_NAME, &nanoxkbd_module_fops)) { ++ printk( "nanoxkbd: Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR); ++ return( -ENODEV ); ++ }; ++ ++ ++ // remember that the driver has been opened ++ nanoxkbd_is_open = 0; ++ printk("nanoxkbd: Device %s registered for major ID %d\n", DEV_NAME, DEV_MAJOR); ++ return 0; ++} ++ ++ ++// we are done so shut everything down ++static void __exit mod_exit(void){ ++ printk( "nanoxkbd: Cleanup\n" ); ++ // tell the kernel that the device is not needed anymore ++ unregister_chrdev(DEV_MAJOR, DEV_NAME); ++ ++} ++ ++module_init (mod_init); ++module_exit (mod_exit); ++ ++ ++ ++ ++ ++ +diff -urN linux-2.6.19.2.orig/drivers/fox-vhdl/Makefile linux-2.6.19.2/drivers/fox-vhdl/Makefile +--- linux-2.6.19.2.orig/drivers/fox-vhdl/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/drivers/fox-vhdl/Makefile 2007-06-17 02:46:15.000000000 +0200 +@@ -0,0 +1,13 @@ ++# ++# Makefile for the i2c core. ++# ++obj-$(CONFIG_FOXBONE) += foxbone/ ++obj-$(CONFIG_FOX_VHDL_FB) += fox_vhdl_fb/ ++obj-$(CONFIG_FOX_FPGA) += fox_fpga_flash/ ++obj-$(CONFIG_FOXBONE_PWM) += fox_pwm/ ++obj-$(CONFIG_FOXBONE_IO) += fox_io/ ++obj-$(CONFIG_FOXBONE_TIMEBASE) += fox_timebase/ ++obj-$(CONFIG_FOXBONE_LOOPBACK) += fox_loopback/ ++obj-$(CONFIG_FOXBONE_EVENT) += fox_event/ ++obj-$(CONFIG_FOXBONE_MULTIPLY) += fox_multiply/ ++obj-$(CONFIG_NANOXKBD) += keyboard/ +--- linux-2.6.19.2.orig/arch/cris/Kconfig 2007-06-16 23:58:14.000000000 +0200 ++++ linux-2.6.19.2/drivers/fox-vhdl/Kconfig 2007-06-17 02:46:15.000000000 +0200 +@@ -1,244 +1,274 @@ +-# +-# For a description of the syntax of this configuration file, +-# see the Configure script. +-# ++menu "Acmesystems FPGA" + +-mainmenu "Linux/CRIS Kernel Configuration" +- +-config MMU +- bool +- default y +- +-config RWSEM_GENERIC_SPINLOCK +- bool +- default y +- +-config RWSEM_XCHGADD_ALGORITHM +- bool +- +-config GENERIC_IOMAP +- bool +- default y +- +-config GENERIC_FIND_NEXT_BIT +- bool +- default y +- +-config GENERIC_HWEIGHT +- bool ++config FOX_VHDL ++ bool "Support for FOX-VHDL Board" ++ default n ++ ++config FOX_FPGA ++ bool "FPGA flash module" ++ depends on FOX_VHDL ++ help ++ Adds the module needed to flash the fpga from the FOX ++ ++config FOXBONE ++ bool "Basic FOXBONE support" ++ depends on FOX_VHDL ++ help ++ Include this to get basic FOXBONE support ++ ++config VT ++ bool "Virtual terminal (needed for framebuffer)" if EMBEDDED ++ select INPUT ++ default y if !VIOCONS ++ ---help--- ++ If you say Y here, you will get support for terminal devices with ++ display and keyboard devices. These are called "virtual" because you ++ can run several virtual terminals (also called virtual consoles) on ++ one physical terminal. This is rather useful, for example one ++ virtual terminal can collect system messages and warnings, another ++ one can be used for a text-mode user session, and a third could run ++ an X session, all in parallel. Switching between virtual terminals ++ is done with certain key combinations, usually Alt-<function key>. ++ ++ The setterm command ("man setterm") can be used to change the ++ properties (such as colors or beeping) of a virtual terminal. The ++ man page console_codes(4) ("man console_codes") contains the special ++ character sequences that can be used to change those properties ++ directly. The fonts used on virtual terminals can be changed with ++ the setfont ("man setfont") command and the key bindings are defined ++ with the loadkeys ("man loadkeys") command. ++ ++ You need at least one virtual terminal device in order to make use ++ of your keyboard and monitor. Therefore, only people configuring an ++ embedded system would want to say N here in order to save some ++ memory; the only way to log into such a system is then via a serial ++ or network connection. ++ ++ If unsure, say Y, or else you won't be able to do much with your new ++ shiny Linux system :-) ++ ++ ++menu "Framebuffer" ++depends on VT ++ ++config FB ++ bool "Support for frame buffer devices" ++ depends on VT ++ ---help--- ++ The frame buffer device provides an abstraction for the graphics ++ hardware. It represents the frame buffer of some video hardware and ++ allows application software to access the graphics hardware through ++ a well-defined interface, so the software doesn't need to know ++ anything about the low-level (hardware register) stuff. ++ ++ Frame buffer devices work identically across the different ++ architectures supported by Linux and make the implementation of ++ application programs easier and more portable; at this point, an X ++ server exists which uses the frame buffer device exclusively. ++ On several non-X86 architectures, the frame buffer device is the ++ only way to use the graphics hardware. ++ ++ The device is accessed through special device nodes, usually located ++ in the /dev directory, i.e. /dev/fb*. ++ ++ You need an utility program called fbset to make full use of frame ++ buffer devices. Please read <file:Documentation/fb/framebuffer.txt> ++ and the Framebuffer-HOWTO at ++ <http://www.tahallah.demon.co.uk/programming/prog.html> for more ++ information. ++ ++ Say Y here and to the driver for your graphics board below if you ++ are compiling a kernel for a non-x86 architecture. ++ ++ If you are compiling for the x86 architecture, you can say Y if you ++ want to play with it, but it is not essential. Please note that ++ running graphical applications that directly touch the hardware ++ (e.g. an accelerated X server) and that are not frame buffer ++ device-aware may cause unexpected results. If unsure, say N. ++ ++config FB_CFB_FILLRECT ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_fillrect function for generic software rectangle ++ filling. This is used by drivers that don't provide their own ++ (accelerated) version. ++ ++config FB_CFB_COPYAREA ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_copyarea function for generic software area copying. ++ This is used by drivers that don't provide their own (accelerated) ++ version. ++ ++config FB_CFB_IMAGEBLIT ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_imageblit function for generic software image ++ blitting. This is used by drivers that don't provide their own ++ (accelerated) version. ++config DUMMY_CONSOLE ++ bool "Dummy Console" ++ depends on FB ++ #PROM_CONSOLE!=y || VGA_CONSOLE!=y || SGI_NEWPORT_CONSOLE!=y ++ default n ++ ++config FRAMEBUFFER_CONSOLE ++ bool "Framebuffer Console support" ++ depends on FB ++ select CRC32 ++ help ++ Low-level framebuffer-based console driver. ++config LOGO ++ bool "Bootup logo" ++ depends on FB || SGI_NEWPORT_CONSOLE ++ help ++ Enable and select frame buffer bootup logos. ++ ++config LOGO_LINUX_CLUT224 ++ bool "Standard 224-color Linux logo" ++ depends on LOGO + default y +- +-config GENERIC_CALIBRATE_DELAY +- bool +- default y +- +-config IRQ_PER_CPU +- bool +- default y +- +-config CRIS +- bool +- default y +- +-source "init/Kconfig" +- +-menu "General setup" +- +-source "fs/Kconfig.binfmt" +- +-config GENERIC_HARDIRQS +- bool +- default y +- +-config SMP +- bool "SMP" +- help +- SMP support. Always Say N. +- +-config NR_CPUS +- int +- depends on SMP +- default 2 +- +-config SCHED_MC +- bool "Multi-core scheduler support" +- depends on SMP +- default y +- help +- Multi-core scheduler support improves the CPU scheduler's decision +- making when dealing with multi-core CPU chips at a cost of slightly +- increased overhead in some places. If unsure say N here. +- +-config ETRAX_CMDLINE +- string "Kernel command line" +- default "root=/dev/mtdblock3" +- help +- Pass additional commands to the kernel. +- +-config ETRAX_WATCHDOG +- bool "Enable ETRAX watchdog" +- help +- Enable the built-in watchdog timer support on ETRAX based embedded +- network computers. +- +-config ETRAX_WATCHDOG_NICE_DOGGY +- bool "Disable watchdog during Oops printouts" +- depends on ETRAX_WATCHDOG +- help +- By enabling this you make sure that the watchdog does not bite while +- printing oopses. Recommended for development systems but not for +- production releases. +- +-config ETRAX_FAST_TIMER +- bool "Enable ETRAX fast timer API" +- help +- This options enables the API to a fast timer implementation using +- timer1 to get sub jiffie resolution timers (primarily one-shot +- timers). +- This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled. +- +-config OOM_REBOOT +- bool "Enable reboot at out of memory" +- +-source "kernel/Kconfig.preempt" +-source "kernel/Kconfig.sched" +- +-source mm/Kconfig ++config FONTS ++ bool "Select compiled-in fonts" ++ depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE ++ help ++ Say Y here if you would like to use fonts other than the default ++ your frame buffer console usually use. ++ ++ Note that the answer to this question won't directly affect the ++ kernel: saying N will just cause the configurator to skip all ++ the questions about foreign fonts. ++ ++ If unsure, say N (the default choices are safe). ++ ++config FONT_8x8 ++ bool "VGA 8x8 font" if FONTS ++ depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE ++ default y if !SPARC && !FONTS ++ help ++ This is the "high resolution" font for the VGA frame buffer (the one ++ provided by the text console 80x50 (and higher) modes). ++ ++ Note that this is a poor quality font. The VGA 8x16 font is quite a ++ lot more readable. ++ ++ Given the resolution provided by the frame buffer device, answer N ++ here is safe. ++ ++config FONT_8x16 ++ bool "VGA 8x16 font" if FONTS ++ depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE=y || STI_CONSOLE || USB_SISUSBVGA_CON ++ default y if !SPARC && !FONTS ++ help ++ This is the "high resolution" font for the VGA frame buffer (the one ++ provided by the VGA text console 80x25 mode. ++ ++ If unsure, say Y. ++ ++ ++config FOX_VHDL_FB ++ bool "FOX_VHDL Framebuffer" ++ depends on FOXBONE ++ depends on FB ++ select FB_CFB_FILLRECT ++ select FB_CFB_COPYAREA ++ select FB_CFB_IMAGEBLIT ++ select VT_CONSOLE ++ select DUMMY_CONSOLE ++ select FRAMEBUFFER_CONSOLE ++ select FONTS ++ select LOGO ++ select LOGO_LINUX_CLUT224 ++ ++config NANOXKBD ++ bool "nano-X keyboard support" ++ default n ++ depends on FOX_VHDL_FB ++ help ++ Enable the keyboard driver patches for nano-X ++ ++ ++ ++#if FOX_VHDL_FB ++ #source "drivers/video/console/Kconfig" ++#endif ++ ++#if FOX_VHDL_FB ++# source "drivers/video/logo/Kconfig" ++#endif + + endmenu + +-menu "Hardware setup" +- +-choice +- prompt "Processor type" +- default ETRAX100LX + +-config ETRAX100LX +- bool "ETRAX-100LX-v1" ++config FOXBONE_IO ++ bool "FOXBONE I/O pins" ++ depends on FOXBONE + help +- Support version 1 of the ETRAX 100LX. ++ Include this to get access to the I/O pins of the foxbone + +-config ETRAX100LX_V2 +- bool "ETRAX-100LX-v2" ++config FOXBONE_TIMEBASE ++ bool "FOXBONE Timebase" ++ depends on FOXBONE + help +- Support version 2 of the ETRAX 100LX. ++ Include this to get access to the timebase part of the fpga + +-config SVINTO_SIM +- bool "ETRAX-100LX-for-xsim-simulator" ++config FOXBONE_MMC ++ bool "FOXBONE MMC/SD module" ++ depends on FOXBONE + help +- Support the xsim ETRAX Simulator. ++ Include this to be able to access a mmc/sd card connected to J3 of the fox-vhdl board + +-config ETRAXFS +- bool "ETRAX-FS-V32" ++config FOXBONE_PWM ++ bool "FOXBONE PWM module" ++ depends on FOXBONE + help +- Support CRIS V32. ++ Include this to enable PWM support into the kernel + +-config ETRAXFS_SIM +- bool "ETRAX-FS-V32-Simulator" ++config FOXBONE_EVENT ++ bool "FOXBONE EVENT counter module" ++ depends on FOXBONE + help +- Support CRIS V32 VCS simualtor. ++ Include this to enable foxbone event counter support + +-endchoice +- +-config ETRAX_ARCH_V10 +- bool +- default y if ETRAX100LX || ETRAX100LX_V2 +- default n if !(ETRAX100LX || ETRAX100LX_V2) +- +-config ETRAX_ARCH_V32 +- bool +- default y if ETRAXFS || ETRAXFS_SIM +- default n if !(ETRAXFS || ETRAXFS_SIM) +- +-config ETRAX_DRAM_SIZE +- int "DRAM size (dec, in MB)" +- default "8" ++config FOXBONE_LOOPBACK ++ bool "FOXBONE Loopback module" ++ depends on FOXBONE + help +- Size of DRAM (decimal in MB) typically 2, 8 or 16. ++ Include this to be able to load the loopback module, that you can base your own driver on + +-config ETRAX_FLASH_BUSWIDTH +- int "Buswidth of NOR flash in bytes" +- default "2" ++config FOXBONE_MULTIPLY ++ bool "FOXBONE Multiplier example" ++ depends on FOXBONE + help +- Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2. ++ Include this to use the 64 bit multiplier + +-config ETRAX_NANDFLASH_BUSWIDTH +- int "Buswidth of NAND flash in bytes" +- default "1" +- help +- Width in bytes of the NAND flash (1 or 2). ++menu "FOXBONE interrupt handlers" ++config FOXBONE_SAMPLE_ISR ++ bool "FOXBONE example interrupt handlers" ++ depends on FOXBONE ++ ++config FOXBONE_INT14 ++ bool "Int 14 - bit 0 of reg 0x13 set" ++ depends on FOXBONE_SAMPLE_ISR + +-config ETRAX_FLASH1_SIZE +- int "FLASH1 size (dec, in MB. 0 = Unknown)" +- default "0" ++config FOXBONE_INT31 ++ bool "Int 31 - bit 1 of reg 0x13 set" ++ depends on FOXBONE_SAMPLE_ISR + +-# arch/cris/arch is a symlink to correct arch (arch-v10 or arch-v32) +-source arch/cris/arch/Kconfig ++endmenu + +-endmenu +- +-source "net/Kconfig" +- +-# bring in ETRAX built-in drivers +-menu "Drivers for built-in interfaces" +-# arch/cris/arch is a symlink to correct arch (arch-v10 or arch-v32) +-source arch/cris/arch/drivers/Kconfig + ++config ETRAX_CMDLINE ++ string "Kernel command line" ++ default "root=/dev/mtdblock3 init=/linuxrc console=ttyS0" ++ help ++ use if no framebuffer is enabled console=ttyS0 ++ use if framebuffer is enabled console=tty0 ++ + endmenu +- +-source "drivers/base/Kconfig" +- +-# standard linux drivers +-source "drivers/mtd/Kconfig" +- +-source "drivers/parport/Kconfig" +- +-source "drivers/pnp/Kconfig" +- +-source "drivers/block/Kconfig" +- +-source "drivers/md/Kconfig" +- +-source "drivers/ide/Kconfig" +- +-source "drivers/scsi/Kconfig" +- +-source "drivers/ieee1394/Kconfig" +- +-source "drivers/message/i2o/Kconfig" +- +-source "drivers/net/Kconfig" +- +-source "drivers/isdn/Kconfig" +- +-source "drivers/telephony/Kconfig" +- +-source "drivers/cdrom/Kconfig" +- +-# +-# input before char - char/joystick depends on it. As does USB. +-# +-source "drivers/input/Kconfig" +- +-source "drivers/char/Kconfig" +- +-#source drivers/misc/Config.in +-source "drivers/media/Kconfig" +- +-source "fs/Kconfig" +- +-source "sound/Kconfig" +- +-source "drivers/pcmcia/Kconfig" +- +-source "drivers/pci/Kconfig" +- +-source "drivers/usb/Kconfig" +- +-source "arch/cris/Kconfig.debug" +- +-source "security/Kconfig" +- +-source "crypto/Kconfig" +- +-source "lib/Kconfig" +--- linux-2.6.19.2.orig/arch/cris/Kconfig 2007-06-16 23:58:14.000000000 +0200 ++++ linux-2.6.19.2/drivers/fox-vhdl/Kconfig 2007-06-17 02:46:15.000000000 +0200 +@@ -1,244 +1,274 @@ +-# +-# For a description of the syntax of this configuration file, +-# see the Configure script. +-# ++menu "Acmesystems FPGA" + +-mainmenu "Linux/CRIS Kernel Configuration" +- +-config MMU +- bool +- default y +- +-config RWSEM_GENERIC_SPINLOCK +- bool +- default y +- +-config RWSEM_XCHGADD_ALGORITHM +- bool +- +-config GENERIC_IOMAP +- bool +- default y +- +-config GENERIC_FIND_NEXT_BIT +- bool +- default y +- +-config GENERIC_HWEIGHT +- bool ++config FOX_VHDL ++ bool "Support for FOX-VHDL Board" ++ default n ++ ++config FOX_FPGA ++ bool "FPGA flash module" ++ depends on FOX_VHDL ++ help ++ Adds the module needed to flash the fpga from the FOX ++ ++config FOXBONE ++ bool "Basic FOXBONE support" ++ depends on FOX_VHDL ++ help ++ Include this to get basic FOXBONE support ++ ++config VT ++ bool "Virtual terminal (needed for framebuffer)" if EMBEDDED ++ select INPUT ++ default y if !VIOCONS ++ ---help--- ++ If you say Y here, you will get support for terminal devices with ++ display and keyboard devices. These are called "virtual" because you ++ can run several virtual terminals (also called virtual consoles) on ++ one physical terminal. This is rather useful, for example one ++ virtual terminal can collect system messages and warnings, another ++ one can be used for a text-mode user session, and a third could run ++ an X session, all in parallel. Switching between virtual terminals ++ is done with certain key combinations, usually Alt-<function key>. ++ ++ The setterm command ("man setterm") can be used to change the ++ properties (such as colors or beeping) of a virtual terminal. The ++ man page console_codes(4) ("man console_codes") contains the special ++ character sequences that can be used to change those properties ++ directly. The fonts used on virtual terminals can be changed with ++ the setfont ("man setfont") command and the key bindings are defined ++ with the loadkeys ("man loadkeys") command. ++ ++ You need at least one virtual terminal device in order to make use ++ of your keyboard and monitor. Therefore, only people configuring an ++ embedded system would want to say N here in order to save some ++ memory; the only way to log into such a system is then via a serial ++ or network connection. ++ ++ If unsure, say Y, or else you won't be able to do much with your new ++ shiny Linux system :-) ++ ++ ++menu "Framebuffer" ++depends on VT ++ ++config FB ++ bool "Support for frame buffer devices" ++ depends on VT ++ ---help--- ++ The frame buffer device provides an abstraction for the graphics ++ hardware. It represents the frame buffer of some video hardware and ++ allows application software to access the graphics hardware through ++ a well-defined interface, so the software doesn't need to know ++ anything about the low-level (hardware register) stuff. ++ ++ Frame buffer devices work identically across the different ++ architectures supported by Linux and make the implementation of ++ application programs easier and more portable; at this point, an X ++ server exists which uses the frame buffer device exclusively. ++ On several non-X86 architectures, the frame buffer device is the ++ only way to use the graphics hardware. ++ ++ The device is accessed through special device nodes, usually located ++ in the /dev directory, i.e. /dev/fb*. ++ ++ You need an utility program called fbset to make full use of frame ++ buffer devices. Please read <file:Documentation/fb/framebuffer.txt> ++ and the Framebuffer-HOWTO at ++ <http://www.tahallah.demon.co.uk/programming/prog.html> for more ++ information. ++ ++ Say Y here and to the driver for your graphics board below if you ++ are compiling a kernel for a non-x86 architecture. ++ ++ If you are compiling for the x86 architecture, you can say Y if you ++ want to play with it, but it is not essential. Please note that ++ running graphical applications that directly touch the hardware ++ (e.g. an accelerated X server) and that are not frame buffer ++ device-aware may cause unexpected results. If unsure, say N. ++ ++config FB_CFB_FILLRECT ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_fillrect function for generic software rectangle ++ filling. This is used by drivers that don't provide their own ++ (accelerated) version. ++ ++config FB_CFB_COPYAREA ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_copyarea function for generic software area copying. ++ This is used by drivers that don't provide their own (accelerated) ++ version. ++ ++config FB_CFB_IMAGEBLIT ++ tristate ++ depends on FB ++ default n ++ ---help--- ++ Include the cfb_imageblit function for generic software image ++ blitting. This is used by drivers that don't provide their own ++ (accelerated) version. ++config DUMMY_CONSOLE ++ bool "Dummy Console" ++ depends on FB ++ #PROM_CONSOLE!=y || VGA_CONSOLE!=y || SGI_NEWPORT_CONSOLE!=y ++ default n ++ ++config FRAMEBUFFER_CONSOLE ++ bool "Framebuffer Console support" ++ depends on FB ++ select CRC32 ++ help ++ Low-level framebuffer-based console driver. ++config LOGO ++ bool "Bootup logo" ++ depends on FB || SGI_NEWPORT_CONSOLE ++ help ++ Enable and select frame buffer bootup logos. ++ ++config LOGO_LINUX_CLUT224 ++ bool "Standard 224-color Linux logo" ++ depends on LOGO + default y +- +-config GENERIC_CALIBRATE_DELAY +- bool +- default y +- +-config IRQ_PER_CPU +- bool +- default y +- +-config CRIS +- bool +- default y +- +-source "init/Kconfig" +- +-menu "General setup" +- +-source "fs/Kconfig.binfmt" +- +-config GENERIC_HARDIRQS +- bool +- default y +- +-config SMP +- bool "SMP" +- help +- SMP support. Always Say N. +- +-config NR_CPUS +- int +- depends on SMP +- default 2 +- +-config SCHED_MC +- bool "Multi-core scheduler support" +- depends on SMP +- default y +- help +- Multi-core scheduler support improves the CPU scheduler's decision +- making when dealing with multi-core CPU chips at a cost of slightly +- increased overhead in some places. If unsure say N here. +- +-config ETRAX_CMDLINE +- string "Kernel command line" +- default "root=/dev/mtdblock3" +- help +- Pass additional commands to the kernel. +- +-config ETRAX_WATCHDOG +- bool "Enable ETRAX watchdog" +- help +- Enable the built-in watchdog timer support on ETRAX based embedded +- network computers. +- +-config ETRAX_WATCHDOG_NICE_DOGGY +- bool "Disable watchdog during Oops printouts" +- depends on ETRAX_WATCHDOG +- help +- By enabling this you make sure that the watchdog does not bite while +- printing oopses. Recommended for development systems but not for +- production releases. +- +-config ETRAX_FAST_TIMER +- bool "Enable ETRAX fast timer API" +- help +- This options enables the API to a fast timer implementation using +- timer1 to get sub jiffie resolution timers (primarily one-shot +- timers). +- This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled. +- +-config OOM_REBOOT +- bool "Enable reboot at out of memory" +- +-source "kernel/Kconfig.preempt" +-source "kernel/Kconfig.sched" +- +-source mm/Kconfig ++config FONTS ++ bool "Select compiled-in fonts" ++ depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE ++ help ++ Say Y here if you would like to use fonts other than the default ++ your frame buffer console usually use. ++ ++ Note that the answer to this question won't directly affect the ++ kernel: saying N will just cause the configurator to skip all ++ the questions about foreign fonts. ++ ++ If unsure, say N (the default choices are safe). ++ ++config FONT_8x8 ++ bool "VGA 8x8 font" if FONTS ++ depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE ++ default y if !SPARC && !FONTS ++ help ++ This is the "high resolution" font for the VGA frame buffer (the one ++ provided by the text console 80x50 (and higher) modes). ++ ++ Note that this is a poor quality font. The VGA 8x16 font is quite a ++ lot more readable. ++ ++ Given the resolution provided by the frame buffer device, answer N ++ here is safe. ++ ++config FONT_8x16 ++ bool "VGA 8x16 font" if FONTS ++ depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE=y || STI_CONSOLE || USB_SISUSBVGA_CON ++ default y if !SPARC && !FONTS ++ help ++ This is the "high resolution" font for the VGA frame buffer (the one ++ provided by the VGA text console 80x25 mode. ++ ++ If unsure, say Y. ++ ++ ++config FOX_VHDL_FB ++ bool "FOX_VHDL Framebuffer" ++ depends on FOXBONE ++ depends on FB ++ select FB_CFB_FILLRECT ++ select FB_CFB_COPYAREA ++ select FB_CFB_IMAGEBLIT ++ select VT_CONSOLE ++ select DUMMY_CONSOLE ++ select FRAMEBUFFER_CONSOLE ++ select FONTS ++ select LOGO ++ select LOGO_LINUX_CLUT224 ++ ++config NANOXKBD ++ bool "nano-X keyboard support" ++ default n ++ depends on FOX_VHDL_FB ++ help ++ Enable the keyboard driver patches for nano-X ++ ++ ++ ++#if FOX_VHDL_FB ++ #source "drivers/video/console/Kconfig" ++#endif ++ ++#if FOX_VHDL_FB ++# source "drivers/video/logo/Kconfig" ++#endif + + endmenu + +-menu "Hardware setup" +- +-choice +- prompt "Processor type" +- default ETRAX100LX + +-config ETRAX100LX +- bool "ETRAX-100LX-v1" ++config FOXBONE_IO ++ bool "FOXBONE I/O pins" ++ depends on FOXBONE + help +- Support version 1 of the ETRAX 100LX. ++ Include this to get access to the I/O pins of the foxbone + +-config ETRAX100LX_V2 +- bool "ETRAX-100LX-v2" ++config FOXBONE_TIMEBASE ++ bool "FOXBONE Timebase" ++ depends on FOXBONE + help +- Support version 2 of the ETRAX 100LX. ++ Include this to get access to the timebase part of the fpga + +-config SVINTO_SIM +- bool "ETRAX-100LX-for-xsim-simulator" ++config FOXBONE_MMC ++ bool "FOXBONE MMC/SD module" ++ depends on FOXBONE + help +- Support the xsim ETRAX Simulator. ++ Include this to be able to access a mmc/sd card connected to J3 of the fox-vhdl board + +-config ETRAXFS +- bool "ETRAX-FS-V32" ++config FOXBONE_PWM ++ bool "FOXBONE PWM module" ++ depends on FOXBONE + help +- Support CRIS V32. ++ Include this to enable PWM support into the kernel + +-config ETRAXFS_SIM +- bool "ETRAX-FS-V32-Simulator" ++config FOXBONE_EVENT ++ bool "FOXBONE EVENT counter module" ++ depends on FOXBONE + help +- Support CRIS V32 VCS simualtor. ++ Include this to enable foxbone event counter support + +-endchoice +- +-config ETRAX_ARCH_V10 +- bool +- default y if ETRAX100LX || ETRAX100LX_V2 +- default n if !(ETRAX100LX || ETRAX100LX_V2) +- +-config ETRAX_ARCH_V32 +- bool +- default y if ETRAXFS || ETRAXFS_SIM +- default n if !(ETRAXFS || ETRAXFS_SIM) +- +-config ETRAX_DRAM_SIZE +- int "DRAM size (dec, in MB)" +- default "8" ++config FOXBONE_LOOPBACK ++ bool "FOXBONE Loopback module" ++ depends on FOXBONE + help +- Size of DRAM (decimal in MB) typically 2, 8 or 16. ++ Include this to be able to load the loopback module, that you can base your own driver on + +-config ETRAX_FLASH_BUSWIDTH +- int "Buswidth of NOR flash in bytes" +- default "2" ++config FOXBONE_MULTIPLY ++ bool "FOXBONE Multiplier example" ++ depends on FOXBONE + help +- Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2. ++ Include this to use the 64 bit multiplier + +-config ETRAX_NANDFLASH_BUSWIDTH +- int "Buswidth of NAND flash in bytes" +- default "1" +- help +- Width in bytes of the NAND flash (1 or 2). ++menu "FOXBONE interrupt handlers" ++config FOXBONE_SAMPLE_ISR ++ bool "FOXBONE example interrupt handlers" ++ depends on FOXBONE ++ ++config FOXBONE_INT14 ++ bool "Int 14 - bit 0 of reg 0x13 set" ++ depends on FOXBONE_SAMPLE_ISR + +-config ETRAX_FLASH1_SIZE +- int "FLASH1 size (dec, in MB. 0 = Unknown)" +- default "0" ++config FOXBONE_INT31 ++ bool "Int 31 - bit 1 of reg 0x13 set" ++ depends on FOXBONE_SAMPLE_ISR + +-# arch/cris/arch is a symlink to correct arch (arch-v10 or arch-v32) +-source arch/cris/arch/Kconfig ++endmenu + +-endmenu +- +-source "net/Kconfig" +- +-# bring in ETRAX built-in drivers +-menu "Drivers for built-in interfaces" +-# arch/cris/arch is a symlink to correct arch (arch-v10 or arch-v32) +-source arch/cris/arch/drivers/Kconfig + ++config ETRAX_CMDLINE ++ string "Kernel command line" ++ default "root=/dev/mtdblock3 init=/linuxrc console=ttyS0" ++ help ++ use if no framebuffer is enabled console=ttyS0 ++ use if framebuffer is enabled console=tty0 ++ + endmenu +- +-source "drivers/base/Kconfig" +- +-# standard linux drivers +-source "drivers/mtd/Kconfig" +- +-source "drivers/parport/Kconfig" +- +-source "drivers/pnp/Kconfig" +- +-source "drivers/block/Kconfig" +- +-source "drivers/md/Kconfig" +- +-source "drivers/ide/Kconfig" +- +-source "drivers/scsi/Kconfig" +- +-source "drivers/ieee1394/Kconfig" +- +-source "drivers/message/i2o/Kconfig" +- +-source "drivers/net/Kconfig" +- +-source "drivers/isdn/Kconfig" +- +-source "drivers/telephony/Kconfig" +- +-source "drivers/cdrom/Kconfig" +- +-# +-# input before char - char/joystick depends on it. As does USB. +-# +-source "drivers/input/Kconfig" +- +-source "drivers/char/Kconfig" +- +-#source drivers/misc/Config.in +-source "drivers/media/Kconfig" +- +-source "fs/Kconfig" +- +-source "sound/Kconfig" +- +-source "drivers/pcmcia/Kconfig" +- +-source "drivers/pci/Kconfig" +- +-source "drivers/usb/Kconfig" +- +-source "arch/cris/Kconfig.debug" +- +-source "security/Kconfig" +- +-source "crypto/Kconfig" +- +-source "lib/Kconfig" +--- linux-2.6.19.2.orig/arch/cris/Kconfig 2007-06-16 23:58:14.000000000 +0200 ++++ linux-2.6.19.2/arch/cris/Kconfig 2007-06-17 02:52:11.000000000 +0200 +@@ -242,3 +242,6 @@ + source "crypto/Kconfig" + + source "lib/Kconfig" ++menu "Acmesystems" ++source "drivers/fox-vhdl/Kconfig" ++endmenu +79a80 +> obj-$(CONFIG_FOX_VHDL) += fox-vhdl/ +diff -urN linux-2.6.19.2.orig/include/linux/foxbone_syscalls.h linux-2.6.19.2/include/linux/foxbone_syscalls.h +--- linux-2.6.19.2.orig/include/linux/foxbone_syscalls.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.19.2/include/linux/foxbone_syscalls.h 2007-06-17 03:31:39.000000000 +0200 +@@ -0,0 +1,18 @@ ++#ifndef __LINUX_SYSCALL_FOXBONE ++#define __LINUX_SYSCALL_FOXBONE ++#include <linux/autoconf.h> ++#include <linux/kernel.h> ++#include <linux/errno.h> ++#include <asm/unistd.h> ++ ++extern int errno; ++_syscall1(void, foxbonereset, unsigned short int, reg); ++_syscall1(unsigned short int, foxboneread, unsigned short int, reg); ++_syscall2(void, foxbonewrite, unsigned short int, reg, unsigned short int, value); ++_syscall3(void, foxbonebulkread, unsigned short int, reg, unsigned short int *, value, unsigned int, length); ++_syscall3(void, foxbonebulkwrite, unsigned short int, reg, unsigned short int *, value, unsigned int, length); ++_syscall2(void, foxboneintreg, unsigned long int, interrupt, unsigned char, state); ++_syscall1(unsigned int, foxboneintcheck, unsigned long int, interrupt); ++_syscall2(unsigned int, foxboneintwait, unsigned long int, interrupt, unsigned char, timeout); ++ ++#endif diff --git a/target/linux/etrax-2.6/patches/cris/020-syscalls.patch b/target/linux/etrax-2.6/patches/cris/020-syscalls.patch new file mode 100644 index 0000000..f735ce7 --- /dev/null +++ b/target/linux/etrax-2.6/patches/cris/020-syscalls.patch @@ -0,0 +1,361 @@ +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 diff --git a/target/linux/etrax-2.6/profiles/100-generic.mk b/target/linux/etrax-2.6/profiles/100-generic.mk new file mode 100644 index 0000000..9d0fc72 --- /dev/null +++ b/target/linux/etrax-2.6/profiles/100-generic.mk @@ -0,0 +1,16 @@ +# +# Copyright (C) 2006 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +define Profile/default + NAME:=Normal (default) +endef + +define Profile/default/Description + Normal Foxboard setup (no vhdl) +endef +$(eval $(call Profile,default)) + diff --git a/target/linux/etrax-2.6/profiles/101-vhdl-nofb.mk b/target/linux/etrax-2.6/profiles/101-vhdl-nofb.mk new file mode 100644 index 0000000..620db42 --- /dev/null +++ b/target/linux/etrax-2.6/profiles/101-vhdl-nofb.mk @@ -0,0 +1,17 @@ +# +# Copyright (C) 2006 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +define Profile/vhdl_no_fb + NAME:=FOXVHDL no fb +# PACKAGES:=kmod-madwifi +endef + +define Profile/vhdl_no_fb/Description + Setup the Foxboard for FOXVHDL support with no framebuffer +endef +$(eval $(call Profile,vhdl_no_fb)) + |