Initial import of qemu-2.4.1HEADmaster

1 files changed, 98 insertions, 0 deletions

diff --git a/roms/u-boot/board/w7o/post2.c b/roms/u-boot/board/w7o/post2.c
new file mode 100644
index 00000000..76b65975
--- /dev/null
+++ b/roms/u-boot/board/w7o/post2.c
@@ -0,0 +1,98 @@
+/*
+ * (C) Copyright 2001
+ * Bill Hunter, Wave 7 Optics, williamhunter@mediaone.net
+ *   and
+ * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <config.h>
+#include <rtc.h>
+#include "errors.h"
+#include "dtt.h"
+
+/* for LM75 DTT POST test */
+#define DTT_READ_TEMP		0x0
+#define DTT_CONFIG		0x1
+#define DTT_TEMP_HYST		0x2
+#define DTT_TEMP_SET		0x3
+
+#if defined(CONFIG_RTC_M48T35A)
+void rtctest(void)
+{
+    volatile uchar *tchar = (uchar*)(CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_NVRAM_SIZE - 9);
+    struct rtc_time tmp;
+
+    /* set up led code for RTC tests */
+    log_stat(ERR_RTCG);
+
+    /*
+     * Do RTC battery test. The first write after power up
+     * fails if battery is low.
+     */
+    *tchar = 0xaa;
+    if ((*tchar ^ 0xaa) != 0x0) log_warn(ERR_RTCBAT);
+    *tchar = 0x55;				/* Reset test address */
+
+    /*
+     * Now lets check the validity of the values in the RTC.
+     */
+    rtc_get(&tmp);
+    if ((tmp.tm_sec < 0)	| (tmp.tm_sec  > 59)   |
+	(tmp.tm_min < 0)	| (tmp.tm_min  > 59)   |
+	(tmp.tm_hour < 0)	| (tmp.tm_hour > 23)   |
+	(tmp.tm_mday < 1 )	| (tmp.tm_mday > 31)   |
+	(tmp.tm_mon < 1 )	| (tmp.tm_mon  > 12)   |
+	(tmp.tm_year < 2000)	| (tmp.tm_year > 2500) |
+	(tmp.tm_wday < 1 )	| (tmp.tm_wday > 7)) {
+	log_warn(ERR_RTCTIM);
+	rtc_reset();
+    }
+
+    /*
+     * Now lets do a check to see if the NV RAM is there.
+     */
+    *tchar = 0xaa;
+    if ((*tchar ^ 0xaa) != 0x0) log_err(ERR_RTCVAL);
+    *tchar = 0x55;				/* Reset test address */
+
+} /* rtctest() */
+#endif	/* CONFIG_RTC_M48T35A */
+
+
+#ifdef CONFIG_DTT_LM75
+int dtt_test(int sensor)
+{
+    short temp, trip, hyst;
+
+    /* get values */
+    temp = dtt_read(sensor, DTT_READ_TEMP) / 256;
+    trip = dtt_read(sensor, DTT_TEMP_SET) / 256;
+    hyst = dtt_read(sensor, DTT_TEMP_HYST) / 256;
+
+    /* check values */
+    if ((hyst != (CONFIG_SYS_DTT_MAX_TEMP - CONFIG_SYS_DTT_HYSTERESIS)) ||
+	(trip != CONFIG_SYS_DTT_MAX_TEMP) ||
+	(temp < CONFIG_SYS_DTT_LOW_TEMP) || (temp > CONFIG_SYS_DTT_MAX_TEMP))
+	return 1;
+
+    return 0;
+} /* dtt_test() */
+#endif /* CONFIG_DTT_LM75 */
+
+/*****************************************/
+
+void post2(void)
+{
+#if defined(CONFIG_RTC_M48T35A)
+    rtctest();
+#endif	/* CONFIG_RTC_M48T35A */
+
+#ifdef CONFIG_DTT_LM75
+    log_stat(ERR_TempG);
+    if(dtt_test(2) != 0) log_warn(ERR_Ttest0);
+    if(dtt_test(4) != 0) log_warn(ERR_Ttest1);
+#endif /* CONFIG_DTT_LM75 */
+} /* post2() */