int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
u32 size)
{
int status;
s32 buffer_count = 0;
s32 num_writes = 0;
bool dirty = 0;
u32 i;
void __iomem *base_address = drvdata->base_address;
for (i = 0, buffer_count = 0; i < size; i++) {
buffer_icap_set_bram(base_address, buffer_count, data[i]);
dirty = 1;
if (buffer_count < XHI_MAX_BUFFER_INTS - 1) {
buffer_count++;
continue;
}
status = buffer_icap_device_write(
drvdata,
XHI_BUFFER_START,
XHI_MAX_BUFFER_INTS);
if (status != 0) {
buffer_icap_reset(drvdata);
return status;
}
buffer_count = 0;
num_writes++;
dirty = 0;
}
if (dirty) {
status = buffer_icap_device_write(drvdata, XHI_BUFFER_START,
buffer_count);
if (status != 0) {
buffer_icap_reset(drvdata);
}
return status;
}
return 0;
};
/**
* buffer_icap_set_configuration - Load a partial bitstream from system memory.
* @drvdata: a pointer to the drvdata.
* @data: Kernel address of the partial bitstream.
* @size: the size of the partial bitstream in 32 bit words.
**/
int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
u32 size)
{
int status;
s32 buffer_count = 0;
bool dirty = false;
u32 i;
void __iomem *base_address = drvdata->base_address;
/* Loop through all the data */
for (i = 0, buffer_count = 0; i < size; i++) {
/* Copy data to bram */
buffer_icap_set_bram(base_address, buffer_count, data[i]);
dirty = true;
if (buffer_count < XHI_MAX_BUFFER_INTS - 1) {
buffer_count++;
continue;
}
/* Write data to ICAP */
status = buffer_icap_device_write(
drvdata,
XHI_BUFFER_START,
XHI_MAX_BUFFER_INTS);
if (status != 0) {
/* abort. */
buffer_icap_reset(drvdata);
return status;
}
buffer_count = 0;
dirty = false;
}
/* Write unwritten data to ICAP */
if (dirty) {
/* Write data to ICAP */
status = buffer_icap_device_write(drvdata, XHI_BUFFER_START,
buffer_count);
if (status != 0) {
/* abort. */
buffer_icap_reset(drvdata);
}
return status;
}
return 0;
};
