xtensa: xtfpga: set ethoc clock frequency

Connect xtfpga board ethernet MAC to the clock in the DTS. Set up MAC
base frequency in the platform data in case of build w/o CONFIG_OF.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi
index d5ccbbb..e7370b1 100644 (file)
--- a/arch/xtensa/boot/dts/xtfpga.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga.dtsi
@@ -57,5 +57,6 @@
                reg = <0xfd030000 0x4000 0xfd800000 0x4000>;
                interrupts = <1 1>; /* external irq 1 */
                local-mac-address = [00 50 c2 13 6f 00];
+               clocks = <&osc>;
        };
 };

diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c
index 0372913..57fd08b 100644 (file)
--- a/arch/xtensa/platforms/xtfpga/setup.c
+++ b/arch/xtensa/platforms/xtfpga/setup.c
@@ -290,6 +290,7 @@ static int __init xtavnet_init(void)
         * knows whether they set it correctly on the DIP switches.
         */
        pr_info("XTFPGA: Ethernet MAC %pM\n", ethoc_pdata.hwaddr);
+       ethoc_pdata.eth_clkfreq = *(long *)XTFPGA_CLKFRQ_VADDR;
 
        return 0;
 }