Hi Angelo,
On 14 May 2016 at 04:59, Angelo Dureghello <ang...@sysam.it> wrote:
> Hi all,
>
> i have seen, updating u-boot in NOR parallel flash,
> that the U_BOOT_DEVICE structure "platdata" ptr is
> still pointing to flash, so the update (rewriting
> flash) die silently and fails.
>
> I have found a workaround using misc_init_r that works
> in my board.c, as below, but i don't like too much the solution:
>
> ...
> #include <dm/platform_data/serial_coldfire.h>
> ...
>
> DECLARE_GLOBAL_DATA_PTR;
> ....
>
> int misc_init_r(void)
> {
> /*
> * FIXME: relocation seems not working properly on m68k,
> * so relocating manually
> */
> struct udevice *dev;
> int retval;
>
> printf("misc_init_r(): entering\n");
>
> retval = uclass_find_device(UCLASS_SERIAL, 0, &dev);
>
> if (!retval) {
> printf("misc_init_r(): relocating serial device\n");
>
> dev->platdata += gd->reloc_off;
> }
>
> return 0;
> }
>
> static struct coldfire_serial_platdata mcf5307_serial_plat = {
> .base = CONFIG_SYS_UART_BASE,
> .port = 0,
> .baudrate = CONFIG_BAUDRATE,
> };
>
> U_BOOT_DEVICE(coldfire_serial) = {
> .name = "serial_coldfire",
> .platdata = &mcf5307_serial_plat,
> };
>
>
> So, i can keep this changes in my board, but, i am wondering if manual-reloc
> of devices structures is maybe responsibility of
> drivers/core/root.c, something like
>
> int dm_init(void)
>
> {
>
> .....
> #if defined(CONFIG_NEEDS_MANUAL_RELOC)
> fix_drivers();
> fix_uclass();
> fix_devices(); <-------------
> #endif
>
> .....
>
> Every comment is welcome.
I believe you have sent a patch for this and is has been applied, correct?
Regards,
Simon
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