[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/boot/common/src/uboot/net/sntp.c b/boot/common/src/uboot/net/sntp.c
new file mode 100644
index 0000000..5de1952
--- /dev/null
+++ b/boot/common/src/uboot/net/sntp.c
@@ -0,0 +1,92 @@
+/*
+ * SNTP support driver
+ *
+ * Masami Komiya <mkomiya@sonare.it> 2005
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <net.h>
+#include <rtc.h>
+
+#include "sntp.h"
+
+#define SNTP_TIMEOUT 10000UL
+
+static int SntpOurPort;
+
+static void
+SntpSend(void)
+{
+ struct sntp_pkt_t pkt;
+ int pktlen = SNTP_PACKET_LEN;
+ int sport;
+
+ debug("%s\n", __func__);
+
+ memset(&pkt, 0, sizeof(pkt));
+
+ pkt.li = NTP_LI_NOLEAP;
+ pkt.vn = NTP_VERSION;
+ pkt.mode = NTP_MODE_CLIENT;
+
+ memcpy((char *)NetTxPacket + NetEthHdrSize() + IP_UDP_HDR_SIZE,
+ (char *)&pkt, pktlen);
+
+ SntpOurPort = 10000 + (get_timer(0) % 4096);
+ sport = NTP_SERVICE_PORT;
+
+ NetSendUDPPacket(NetServerEther, NetNtpServerIP, sport, SntpOurPort,
+ pktlen);
+}
+
+static void
+SntpTimeout(void)
+{
+ puts("Timeout\n");
+ net_set_state(NETLOOP_FAIL);
+ return;
+}
+
+static void
+SntpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
+ unsigned len)
+{
+ struct sntp_pkt_t *rpktp = (struct sntp_pkt_t *)pkt;
+ struct rtc_time tm;
+ ulong seconds;
+
+ debug("%s\n", __func__);
+
+ if (dest != SntpOurPort)
+ return;
+
+ /*
+ * As the RTC's used in U-Boot sepport second resolution only
+ * we simply ignore the sub-second field.
+ */
+ memcpy(&seconds, &rpktp->transmit_timestamp, sizeof(ulong));
+
+ to_tm(ntohl(seconds) - 2208988800UL + NetTimeOffset, &tm);
+#if defined(CONFIG_CMD_DATE)
+ rtc_set(&tm);
+#endif
+ printf("Date: %4d-%02d-%02d Time: %2d:%02d:%02d\n",
+ tm.tm_year, tm.tm_mon, tm.tm_mday,
+ tm.tm_hour, tm.tm_min, tm.tm_sec);
+
+ net_set_state(NETLOOP_SUCCESS);
+}
+
+void
+SntpStart(void)
+{
+ debug("%s\n", __func__);
+
+ NetSetTimeout(SNTP_TIMEOUT, SntpTimeout);
+ net_set_udp_handler(SntpHandler);
+ memset(NetServerEther, 0, sizeof(NetServerEther));
+
+ SntpSend();
+}