diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/psyent/pk1c20/led.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/psyent/pk1c20/led.c')
-rw-r--r-- | qemu/roms/u-boot/board/psyent/pk1c20/led.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/psyent/pk1c20/led.c b/qemu/roms/u-boot/board/psyent/pk1c20/led.c new file mode 100644 index 000000000..580d590f2 --- /dev/null +++ b/qemu/roms/u-boot/board/psyent/pk1c20/led.c @@ -0,0 +1,46 @@ +/* + * (C) Copyright 2004, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <nios2-io.h> +#include <status_led.h> + +/* 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); +} |