int buffer_icap_get_configuration(struct hwicap_drvdata *drvdata, u32 *data,
u32 size)
{
int status;
s32 buffer_count = 0;
s32 read_count = 0;
u32 i;
void __iomem *base_address = drvdata->base_address;
for (i = 0, buffer_count = XHI_MAX_BUFFER_INTS; i < size; i++) {
if (buffer_count == XHI_MAX_BUFFER_INTS) {
u32 words_remaining = size - i;
u32 words_to_read =
words_remaining <
XHI_MAX_BUFFER_INTS ? words_remaining :
XHI_MAX_BUFFER_INTS;
status = buffer_icap_device_read(
drvdata,
XHI_BUFFER_START,
words_to_read);
if (status != 0) {
buffer_icap_reset(drvdata);
return status;
}
buffer_count = 0;
read_count++;
}
data[i] = buffer_icap_get_bram(base_address, buffer_count);
buffer_count++;
}
return 0;
};
/**
* buffer_icap_get_configuration - Read configuration data from the device.
* @drvdata: a pointer to the drvdata.
* @data: Address of the data representing the partial bitstream
* @size: the size of the partial bitstream in 32 bit words.
**/
int buffer_icap_get_configuration(struct hwicap_drvdata *drvdata, u32 *data,
u32 size)
{
int status;
s32 buffer_count = 0;
u32 i;
void __iomem *base_address = drvdata->base_address;
/* Loop through all the data */
for (i = 0, buffer_count = XHI_MAX_BUFFER_INTS; i < size; i++) {
if (buffer_count == XHI_MAX_BUFFER_INTS) {
u32 words_remaining = size - i;
u32 words_to_read =
words_remaining <
XHI_MAX_BUFFER_INTS ? words_remaining :
XHI_MAX_BUFFER_INTS;
/* Read data from ICAP */
status = buffer_icap_device_read(
drvdata,
XHI_BUFFER_START,
words_to_read);
if (status != 0) {
/* abort. */
buffer_icap_reset(drvdata);
return status;
}
buffer_count = 0;
}
/* Copy data from bram */
data[i] = buffer_icap_get_bram(base_address, buffer_count);
buffer_count++;
}
return 0;
};
