[src/trunk]: src/sys/arch/arm/rockchip Enable gpio reset logic

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a76ef84d7bdc
branches:  trunk
changeset: 319964:a76ef84d7bdc
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Jun 17 00:33:05 2018 +0000

description:
Enable gpio reset logic

diffstat:

 sys/arch/arm/rockchip/rk_gmac.c |  25 +++++++++----------------
 1 files changed, 9 insertions(+), 16 deletions(-)

diffs (56 lines):

diff -r 38ed61d200ef -r a76ef84d7bdc sys/arch/arm/rockchip/rk_gmac.c
--- a/sys/arch/arm/rockchip/rk_gmac.c   Sat Jun 16 23:44:26 2018 +0000
+++ b/sys/arch/arm/rockchip/rk_gmac.c   Sun Jun 17 00:33:05 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rk_gmac.c,v 1.1 2018/06/16 00:19:04 jmcneill Exp $ */
+/* $NetBSD: rk_gmac.c,v 1.2 2018/06/17 00:33:05 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(0, "$NetBSD: rk_gmac.c,v 1.1 2018/06/16 00:19:04 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rk_gmac.c,v 1.2 2018/06/17 00:33:05 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -79,11 +79,10 @@
 static int
 rk_gmac_reset(const int phandle)
 {
-#if notyet
        struct fdtbus_gpio_pin *pin_reset;
        const u_int *reset_delay_us;
        bool reset_active_low;
-       int len, val;
+       int len;
 
        if (!of_hasprop(phandle, "snps,reset-gpio"))
                return 0;
@@ -98,18 +97,12 @@
 
        reset_active_low = of_hasprop(phandle, "snps,reset-active-low");
 
-       val = reset_active_low ? 1 : 0;
-
-       fdtbus_gpio_write(pin_reset, val);
-       if (be32toh(reset_delay_us[0]) > 0)
-               delay(be32toh(reset_delay_us[0]));
-       fdtbus_gpio_write(pin_reset, !val);
-       if (be32toh(reset_delay_us[1]) > 0)
-               delay(be32toh(reset_delay_us[1]));
-       fdtbus_gpio_write(pin_reset, val);
-       if (be32toh(reset_delay_us[2]) > 0)
-               delay(be32toh(reset_delay_us[2]));
-#endif
+       fdtbus_gpio_write_raw(pin_reset, reset_active_low ? 1 : 0);
+       delay(be32toh(reset_delay_us[0]));
+       fdtbus_gpio_write_raw(pin_reset, reset_active_low ? 0 : 1);
+       delay(be32toh(reset_delay_us[1]));
+       fdtbus_gpio_write_raw(pin_reset, reset_active_low ? 1 : 0);
+       delay(be32toh(reset_delay_us[2]));
 
        return 0;
 }