summaryrefslogtreecommitdiff
path: root/plat/freescale/common/sip_svc.c
diff options
context:
space:
mode:
Diffstat (limited to 'plat/freescale/common/sip_svc.c')
-rw-r--r--plat/freescale/common/sip_svc.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/plat/freescale/common/sip_svc.c b/plat/freescale/common/sip_svc.c
new file mode 100644
index 00000000..d8c1c5bf
--- /dev/null
+++ b/plat/freescale/common/sip_svc.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright 2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <debug.h>
+#include <fsl_sip.h>
+#include <runtime_svc.h>
+#include <smcc_helpers.h>
+#include <std_svc.h>
+#include <stdint.h>
+#include <uuid.h>
+
+extern int imx_gpc_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, u_register_t x3);
+extern int imx_cpufreq_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, u_register_t x3);
+
+/* Setup i.MX platform specific services Services */
+static int32_t plat_svc_setup(void)
+{
+ /* gpc init ?*/
+ NOTICE("sip svc init\n");
+ return 0;
+}
+
+/* i.MX platform specific service SMC handler */
+uintptr_t imx_svc_smc_handler(uint32_t smc_fid,
+ u_register_t x1,
+ u_register_t x2,
+ u_register_t x3,
+ u_register_t x4,
+ void *cookie,
+ void *handle,
+ uint64_t flags)
+{
+ NOTICE("smc_fid is %x\n", smc_fid);
+ switch (smc_fid) {
+#ifdef PLAT_IMX8M
+ case FSL_SIP_GPC:
+ SMC_RET1(handle, imx_gpc_handler(smc_fid, x1, x2, x3));
+ break;
+#endif
+#if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QXP))
+ case FSL_SIP_CPUFREQ:
+ SMC_RET1(handle, imx_cpufreq_handler(smc_fid, x1, x2, x3));
+ break;
+#endif
+ default:
+ WARN("Unimplemented SIP Service Call: 0x%x \n", smc_fid);
+ SMC_RET1(handle, SMC_UNK);
+ break;
+ }
+}
+
+/* Rigister SIP Service Calls as runtime service */
+DECLARE_RT_SVC(
+ imx_svc,
+ OEN_SIP_START,
+ OEN_SIP_END,
+ SMC_TYPE_FAST,
+ plat_svc_setup,
+ imx_svc_smc_handler
+);