* Patches by David Müller, 12 Jun 2003:
- rewrite of the S3C24X0 register definitions stuff
- "driver" for the built-in S3C24X0 RTC
* Patches by Yuli Barcohen, 12 Jun 2003:
- Add MII support and Ethernet PHY initialization for MPC8260ADS board
- Fix incorrect SIUMCR initialisation caused by wrong Hard Reset
configuration word supplied by FPGA on some MPC8260ADS boards
* Patch by Pantelis Antoniou, 10 Jun 2003:
Unify status LED interface
diff --git a/drivers/status_led.c b/drivers/status_led.c
new file mode 100644
index 0000000..ddb6c22
--- /dev/null
+++ b/drivers/status_led.c
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <status_led.h>
+
+/*
+ * The purpose of this code is to signal the operational status of a
+ * target which usually boots over the network; while running in
+ * U-Boot, a status LED is blinking. As soon as a valid BOOTP reply
+ * message has been received, the LED is turned off. The Linux
+ * kernel, once it is running, will start blinking the LED again,
+ * with another frequency.
+ */
+
+/* ------------------------------------------------------------------------- */
+
+#ifdef CONFIG_STATUS_LED
+
+typedef struct {
+ led_id_t mask;
+ int state;
+ int period;
+ int cnt;
+} led_dev_t;
+
+led_dev_t led_dev[] = {
+ { STATUS_LED_BIT,
+ STATUS_LED_STATE,
+ STATUS_LED_PERIOD,
+ 0,
+ },
+#if defined(STATUS_LED_BIT1)
+ { STATUS_LED_BIT1,
+ STATUS_LED_STATE1,
+ STATUS_LED_PERIOD1,
+ 0,
+ },
+#endif
+#if defined(STATUS_LED_BIT2)
+ { STATUS_LED_BIT2,
+ STATUS_LED_STATE2,
+ STATUS_LED_PERIOD2,
+ 0,
+ },
+#endif
+#if defined(STATUS_LED_BIT3)
+ { STATUS_LED_BIT3,
+ STATUS_LED_STATE3,
+ STATUS_LED_PERIOD3,
+ 0,
+ },
+#endif
+};
+
+#define MAX_LED_DEV (sizeof(led_dev)/sizeof(led_dev_t))
+
+static int status_led_init_done = 0;
+
+static void status_led_init (void)
+{
+ led_dev_t *ld;
+ int i;
+
+ for (i = 0, ld = led_dev; i < MAX_LED_DEV; i++, ld++)
+ __led_init (ld->mask, ld->state);
+ status_led_init_done = 1;
+}
+
+void status_led_tick (ulong timestamp)
+{
+ led_dev_t *ld;
+ int i;
+
+ if (!status_led_init_done)
+ status_led_init ();
+
+ for (i = 0, ld = led_dev; i < MAX_LED_DEV; i++, ld++) {
+
+ if (ld->state != STATUS_LED_BLINKING)
+ continue;
+
+ if (++ld->cnt >= ld->period) {
+ __led_toggle (ld->mask);
+ ld->cnt -= ld->period;
+ }
+
+ }
+}
+
+void status_led_set (int led, int state)
+{
+ led_dev_t *ld;
+
+ if (led < 0 || led >= MAX_LED_DEV)
+ return;
+
+ if (!status_led_init_done)
+ status_led_init ();
+
+ ld = &led_dev[led];
+
+ ld->state = state;
+ if (state == STATUS_LED_BLINKING) {
+ ld->cnt = 0; /* always start with full period */
+ state = STATUS_LED_ON; /* always start with LED _ON_ */
+ }
+ __led_set (ld->mask, state);
+}
+
+#endif /* CONFIG_STATUS_LED */