| Line 45... |
Line 45... |
static void gpio_external_clock( unsigned long value, struct gpio_device *gpio );
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static void gpio_external_clock( unsigned long value, struct gpio_device *gpio );
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static void gpio_device_clock( struct gpio_device *gpio );
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static void gpio_device_clock( struct gpio_device *gpio );
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static void gpio_clock( void *dat );
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static void gpio_clock( void *dat );
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|
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/* Initialize all parameters and state */
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/* Initialize all parameters and state */
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void gpio_reset( void *dat )
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static void gpio_reset( void *dat )
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{
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{
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struct gpio_device *gpio = dat;
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struct gpio_device *gpio = dat;
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|
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if ( gpio->baseaddr != 0 ) {
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if ( gpio->baseaddr != 0 ) {
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/* Possibly connect to VAPI */
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/* Possibly connect to VAPI */
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| Line 60... |
Line 60... |
SCHED_ADD(gpio_clock, dat, 1);
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SCHED_ADD(gpio_clock, dat, 1);
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}
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}
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|
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|
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/* Dump status */
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/* Dump status */
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void gpio_status( void *dat )
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static void gpio_status( void *dat )
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{
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{
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struct gpio_device *gpio = dat;
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struct gpio_device *gpio = dat;
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|
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if ( gpio->baseaddr == 0 )
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if ( gpio->baseaddr == 0 )
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return;
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return;
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| Line 80... |
Line 80... |
PRINTF( "RGPIO_INTS : 0x%08lX\n", gpio->curr.ints );
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PRINTF( "RGPIO_INTS : 0x%08lX\n", gpio->curr.ints );
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}
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}
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|
|
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/* Wishbone read */
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/* Wishbone read */
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uint32_t gpio_read32( oraddr_t addr, void *dat )
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static uint32_t gpio_read32( oraddr_t addr, void *dat )
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{
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{
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struct gpio_device *gpio = dat;
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struct gpio_device *gpio = dat;
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|
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switch( addr ) {
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switch( addr ) {
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case RGPIO_IN: return gpio->curr.in | gpio->curr.out;
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case RGPIO_IN: return gpio->curr.in | gpio->curr.out;
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| Line 100... |
Line 100... |
return 0;
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return 0;
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}
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}
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|
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/* Wishbone write */
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/* Wishbone write */
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void gpio_write32( oraddr_t addr, uint32_t value, void *dat )
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static void gpio_write32( oraddr_t addr, uint32_t value, void *dat )
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{
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{
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struct gpio_device *gpio = dat;
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struct gpio_device *gpio = dat;
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|
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switch( addr ) {
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switch( addr ) {
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case RGPIO_IN: TRACE( "GPIO: Cannot write to RGPIO_IN\n" ); break;
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case RGPIO_IN: TRACE( "GPIO: Cannot write to RGPIO_IN\n" ); break;
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| Line 118... |
Line 118... |
}
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}
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}
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}
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|
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/* Input from "outside world" */
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/* Input from "outside world" */
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void gpio_vapi_read( unsigned long id, unsigned long data, void *dat )
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static void gpio_vapi_read( unsigned long id, unsigned long data, void *dat )
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{
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{
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unsigned which;
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unsigned which;
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struct gpio_device *gpio = dat;
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struct gpio_device *gpio = dat;
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|
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TRACE( "GPIO: id %08lx, data %08lx\n", id, data );
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TRACE( "GPIO: id %08lx, data %08lx\n", id, data );
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| Line 186... |
Line 186... |
if ( gpio->curr.ctrl & RGPIO_CTRL_ECLK )
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if ( gpio->curr.ctrl & RGPIO_CTRL_ECLK )
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gpio_device_clock( gpio );
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gpio_device_clock( gpio );
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}
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}
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|
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/* Report an interrupt to the sim */
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/* Report an interrupt to the sim */
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void gpio_do_int( void *dat )
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static void gpio_do_int( void *dat )
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{
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{
|
struct gpio_device *gpio = dat;
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struct gpio_device *gpio = dat;
|
|
|
report_interrupt( gpio->irq );
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report_interrupt( gpio->irq );
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}
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}
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| Line 237... |
Line 237... |
/* Switch to values for next clock */
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/* Switch to values for next clock */
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memcpy( &(gpio->curr), &(gpio->next), sizeof(gpio->curr) );
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memcpy( &(gpio->curr), &(gpio->next), sizeof(gpio->curr) );
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}
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}
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|
|
/*---------------------------------------------------[ GPIO configuration ]---*/
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/*---------------------------------------------------[ GPIO configuration ]---*/
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void gpio_baseaddr(union param_val val, void *dat)
|
static void gpio_baseaddr(union param_val val, void *dat)
|
{
|
{
|
struct gpio_device *gpio = dat;
|
struct gpio_device *gpio = dat;
|
gpio->baseaddr = val.addr_val;
|
gpio->baseaddr = val.addr_val;
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}
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}
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|
|
void gpio_irq(union param_val val, void *dat)
|
static void gpio_irq(union param_val val, void *dat)
|
{
|
{
|
struct gpio_device *gpio = dat;
|
struct gpio_device *gpio = dat;
|
gpio->irq = val.int_val;
|
gpio->irq = val.int_val;
|
}
|
}
|
|
|
void gpio_base_vapi_id(union param_val val, void *dat)
|
static void gpio_base_vapi_id(union param_val val, void *dat)
|
{
|
{
|
struct gpio_device *gpio = dat;
|
struct gpio_device *gpio = dat;
|
gpio->base_vapi_id = val.int_val;
|
gpio->base_vapi_id = val.int_val;
|
}
|
}
|
|
|
void gpio_enabled(union param_val val, void *dat)
|
static void gpio_enabled(union param_val val, void *dat)
|
{
|
{
|
struct gpio_device *gpio = dat;
|
struct gpio_device *gpio = dat;
|
gpio->enabled = val.int_val;
|
gpio->enabled = val.int_val;
|
}
|
}
|
|
|
void *gpio_sec_start(void)
|
static void *gpio_sec_start(void)
|
{
|
{
|
struct gpio_device *new = malloc(sizeof(struct gpio_device));
|
struct gpio_device *new = malloc(sizeof(struct gpio_device));
|
|
|
if(!new) {
|
if(!new) {
|
fprintf(stderr, "Peripheral gpio: Run out of memory\n");
|
fprintf(stderr, "Peripheral gpio: Run out of memory\n");
|
| Line 279... |
Line 279... |
new->enabled = 1;
|
new->enabled = 1;
|
|
|
return new;
|
return new;
|
}
|
}
|
|
|
void gpio_sec_end(void *dat)
|
static void gpio_sec_end(void *dat)
|
{
|
{
|
struct gpio_device *gpio = dat;
|
struct gpio_device *gpio = dat;
|
struct mem_ops ops;
|
struct mem_ops ops;
|
|
|
if(!gpio->enabled) {
|
if(!gpio->enabled) {
|
