Hi Wenyou,
On 2016-05-31 05:14, Wenyou Yang wrote:
Add device tree support.
Signed-off-by: Wenyou Yang <wenyou.y...@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;
We may use this driver without FDT (now some arm boards have not been
converted and avr32 will never use FDT). Please make this conditional.
Andreas
+
+ 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
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