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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-23 09:55:15 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-23 15:18:44 +0200
commit4fb1b79a804ca8de866be0ef718e54e1f62fa3ec (patch)
tree11b85c98244db22c927e7f1323ed222c43a589b0 /bsps/arm/lpc24xx
parentbsps: Move legacy network drivers to bsps (diff)
downloadrtems-4fb1b79a804ca8de866be0ef718e54e1f62fa3ec.tar.bz2
bsps: Move RTC drivers to bsps
This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'bsps/arm/lpc24xx')
-rw-r--r--bsps/arm/lpc24xx/rtc/rtc-config.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/bsps/arm/lpc24xx/rtc/rtc-config.c b/bsps/arm/lpc24xx/rtc/rtc-config.c
new file mode 100644
index 0000000000..c154a98196
--- /dev/null
+++ b/bsps/arm/lpc24xx/rtc/rtc-config.c
@@ -0,0 +1,96 @@
+/**
+ * @file
+ *
+ * @ingroup lpc24xx
+ *
+ * @brief RTC configuration.
+ */
+
+/*
+ * Copyright (c) 2008
+ * Embedded Brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * rtems@embedded-brains.de
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#include <libchip/rtc.h>
+
+#include <bsp/lpc24xx.h>
+#include <bsp/io.h>
+
+#define LPC24XX_RTC_NUMBER 1
+
+static void lpc24xx_rtc_initialize(int minor)
+{
+ /* Enable module power */
+ lpc24xx_module_enable(LPC24XX_MODULE_RTC, LPC24XX_MODULE_PCLK_DEFAULT);
+
+ /* Enable the RTC and use external clock */
+ RTC_CCR = RTC_CCR_CLKEN | RTC_CCR_CLKSRC;
+
+ /* Disable interrupts */
+ RTC_CIIR = 0;
+ RTC_CISS = 0;
+ RTC_AMR = 0xff;
+
+ /* Clear interrupts */
+ RTC_ILR = RTC_ILR_RTCCIF | RTC_ILR_RTCALF | RTC_ILR_RTSSF;
+}
+
+static int lpc24xx_rtc_get_time(int minor, rtems_time_of_day *tod)
+{
+ tod->ticks = 0;
+ tod->second = RTC_SEC;
+ tod->minute = RTC_MIN;
+ tod->hour = RTC_HOUR;
+ tod->day = RTC_DOM;
+ tod->month = RTC_MONTH;
+ tod->year = RTC_YEAR;
+
+ return 0;
+}
+
+static int lpc24xx_rtc_set_time(int minor, const rtems_time_of_day *tod)
+{
+ RTC_SEC = tod->second;
+ RTC_MIN = tod->minute;
+ RTC_HOUR = tod->hour;
+ RTC_DOM = tod->day;
+ RTC_MONTH = tod->month;
+ RTC_YEAR = tod->year;
+
+ return 0;
+}
+
+static bool lpc24xx_rtc_probe(int minor)
+{
+ return true;
+}
+
+const rtc_fns lpc24xx_rtc_ops = {
+ .deviceInitialize = lpc24xx_rtc_initialize,
+ .deviceGetTime = lpc24xx_rtc_get_time,
+ .deviceSetTime = lpc24xx_rtc_set_time
+};
+
+size_t RTC_Count = LPC24XX_RTC_NUMBER;
+
+rtc_tbl RTC_Table [LPC24XX_RTC_NUMBER] = {
+ {
+ .sDeviceName = "/dev/rtc",
+ .deviceType = RTC_CUSTOM,
+ .pDeviceFns = &lpc24xx_rtc_ops,
+ .deviceProbe = lpc24xx_rtc_probe,
+ .pDeviceParams = NULL,
+ .ulCtrlPort1 = 0,
+ .ulDataPort = 0,
+ .getRegister = NULL,
+ .setRegister = NULL
+ }
+};