On 04/05/2017 11:32 AM, Ley Foon Tan wrote:
> Add misc support for Arria 10.
>
> Signed-off-by: Tien Fong Chee <[email protected]>
> Signed-off-by: Ley Foon Tan <[email protected]>
[...]
> +static int find_peripheral_uart(const void *blob,
> + int child, const char *node_name)
> +{
> + int len;
> + fdt_addr_t base_addr = 0;
> + fdt_size_t size;
> + const u32 *cell;
> + u32 value, offset = 0;
> +
> + base_addr = fdtdec_get_addr_size(blob, child, "reg", &size);
> + if (base_addr != FDT_ADDR_T_NONE) {
> + cell = fdt_getprop(blob, child, "pinctrl-single,pins",
> + &len);
> + if (cell != NULL) {
> + for (; len > 0; len -= (2 * sizeof(u32))) {
> + offset = fdt32_to_cpu(*cell++);
> + value = fdt32_to_cpu(*cell++);
> + /* Found UART peripheral */
> + if (value == 0x0D)
What does 0x0d mean ?
> + return offset;
> + }
> + }
> + }
> + return -EINVAL;
> +}
[...]
--
Best regards,
Marek Vasut
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