X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fboard%2Faltera%2Fcommon%2Fepled.c;fp=qemu%2Froms%2Fu-boot%2Fboard%2Faltera%2Fcommon%2Fepled.c;h=580d590f2a7068dbc0848772156beb92cd4ac4d4;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/board/altera/common/epled.c b/qemu/roms/u-boot/board/altera/common/epled.c new file mode 100644 index 000000000..580d590f2 --- /dev/null +++ b/qemu/roms/u-boot/board/altera/common/epled.c @@ -0,0 +1,46 @@ +/* + * (C) Copyright 2004, Psyent Corporation + * Scott McNutt + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +/* The LED port is configured as output only, so we + * must track the state manually. + */ +static led_id_t val = 0; + +void __led_init (led_id_t mask, int state) +{ + nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR; + + if (state == STATUS_LED_ON) + val &= ~mask; + else + val |= mask; + writel (val, &pio->data); +} + +void __led_set (led_id_t mask, int state) +{ + nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR; + + if (state == STATUS_LED_ON) + val &= ~mask; + else + val |= mask; + writel (val, &pio->data); +} + +void __led_toggle (led_id_t mask) +{ + nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR; + + val ^= mask; + writel (val, &pio->data); +}