On Sun, Dec 28, 2014 at 10:20 AM, Simon Glass <sjg at chromium.org> wrote:
> This can be very slow - typically 80ms even on a fast machine since it uses
> the SPI flash to read the data. Add an option to display the time taken.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> drivers/pci/pci_rom.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
> index 9808bb3..5ba315b 100644
> --- a/drivers/pci/pci_rom.c
> +++ b/drivers/pci/pci_rom.c
> @@ -156,6 +156,8 @@ int pci_rom_load(uint16_t class, struct pci_rom_header *rom_header,
>
> target = (void *)PCI_VGA_RAM_IMAGE_START;
> if (target != rom_header) {
> + ulong start = get_timer(0);
> +
> debug("Copying VGA ROM Image from %p to %p, 0x%x bytes\n",
> rom_header, target, rom_size);
> memcpy(target, rom_header, rom_size);
> @@ -163,6 +165,7 @@ int pci_rom_load(uint16_t class, struct pci_rom_header *rom_header,
> printf("VGA ROM copy failed\n");
> return -EFAULT;
> }
> + debug("Copy took %lums\n", get_timer(start));
> }
> *ram_headerp = target;
>
> --
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>