Add device tree support.
Signed-off-by: Wenyou Yang wenyou.yang@atmel.com ---
drivers/serial/atmel_usart.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/serial/atmel_usart.c b/drivers/serial/atmel_usart.c index 4fe992b..b78a94c 100644 --- a/drivers/serial/atmel_usart.c +++ b/drivers/serial/atmel_usart.c @@ -191,19 +191,32 @@ static int atmel_serial_probe(struct udevice *dev) { struct atmel_serial_platdata *plat = dev->platdata; struct atmel_serial_priv *priv = dev_get_priv(dev); + fdt_addr_t addr_base;
+ addr_base = dev_get_addr(dev); + if (addr_base == FDT_ADDR_T_NONE) + return -ENODEV; + + plat->base_addr = (uint32_t)addr_base; priv->usart = (atmel_usart3_t *)plat->base_addr; atmel_serial_init_internal(priv->usart);
return 0; }
+static const struct udevice_id atmel_serial_ids[] = { + { .compatible = "atmel,at91sam9260-usart" }, + { } +}; + U_BOOT_DRIVER(serial_atmel) = { .name = "serial_atmel", .id = UCLASS_SERIAL, + .of_match = atmel_serial_ids, .probe = atmel_serial_probe, .ops = &atmel_serial_ops, .flags = DM_FLAG_PRE_RELOC, + .platdata_auto_alloc_size = sizeof(struct atmel_serial_platdata), .priv_auto_alloc_size = sizeof(struct atmel_serial_priv), }; #endif