Skip to content

S
Simple PCIe FMC carrier SPEC
Commit 96e9577d authored by Federico Vaga's avatar Federico Vaga
Browse files
Options

sw:drv: fix application platform_device_id generation 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent ee1d4531
Hide whitespace changes
Inline Side-by-side
Showing with 11 additions and 3 deletions
software/kernel/spec-core-fpga.c
View file @ 96e9577d
......@@ -605,12 +605,20 @@ static int spec_fmc_exit(struct spec_fpga *spec_fpga)
}
/* FPGA Application */
/**
* Build the platform_device_id->name from metadata
*
* The byte order on SPEC is little endian, but we want to convert it
* in string. Use big-endian read to swap word and get the string order
* from MSB to LSB
*/
static int spec_fpga_app_id_build(struct spec_fpga *spec_fpga,
unsigned long app_off,
char *id, unsigned int size)
{
uint32_t vendor = ioread32(spec_fpga->fpga + app_off);
uint32_t device = ioread32(spec_fpga->fpga + app_off);
uint32_t vendor = ioread32be(spec_fpga->fpga + app_off + FPGA_META_VENDOR);
uint32_t device = ioread32be(spec_fpga->fpga + app_off + FPGA_META_DEVICE);
memset(id, 0, size);
if (vendor == 0xFF000000) {
......@@ -671,7 +679,7 @@ static int spec_fpga_app_init(struct spec_fpga *spec_fpga)
res_n = 1;
}
err = spec_fpga_app_id_build(spec_fpga, SPEC_FPGA_CSR_APP_OFF,
err = spec_fpga_app_id_build(spec_fpga, app_offset,
app_name, SPEC_FPGA_APP_NAME_MAX);
if (err)
return err;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment