Support smp for imx6q-sabrelite.

2024-03-21 14:54:52 +08:00
parent 620965dc2c
commit 0f5527d73a
21 changed files with 257 additions and 57 deletions
@@ -193,4 +193,6 @@ __attribute__((__always_inline__)) static inline void arch_set_return(struct tra
    tf->r0 = (uint32_t)ret;
 }

+void cpu_start_secondary(uint8_t cpu_id);
+void start_smp_cache_broadcast(int cpu_id);
 #endif
@@ -1,3 +1,8 @@
-SRC_FILES := ivt.c dcd.c imx6q_lowlevel_init.S cortexA9.S boot.S
+SRC_FILES := ivt.c \
+			 dcd.c \
+			 boot.S \
+			 imx6q_lowlevel_init.S \
+			 cortexA9.S \
+			 smp.c

 include $(KERNEL_ROOT)/compiler.mk
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2010-2012, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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.
+ */
+
+/**
+ * @file smp.c
+ * @brief start multicore
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2024.03.10
+ */
+
+/*************************************************
+File name: smp.c
+Description:
+Others:
+History:
+1. Date: 2024-03-10
+Author: AIIT XUOS Lab
+Modification:
+1. No modifications
+*************************************************/
+#include "cortex_a9.h"
+#include "regssrc.h"
+
+extern void _boot_start();
+void cpu_start_secondary(uint8_t cpu_id)
+{
+    // Prepare pointers for ROM code. The entry point is always _start, which does some
+    // basic preparatory work and then calls the common_cpu_entry function, which itself
+    // calls the entry point saved in s_core_info.
+    switch (cpu_id) {
+    case 1:
+        HW_SRC_GPR3_WR((uint32_t)&_boot_start);
+        HW_SRC_SCR.B.CORE1_ENABLE = 1;
+        break;
+
+    case 2:
+        HW_SRC_GPR5_WR((uint32_t)&_boot_start);
+        HW_SRC_SCR.B.CORE2_ENABLE = 1;
+        break;
+
+    case 3:
+        HW_SRC_GPR7_WR((uint32_t)&_boot_start);
+        HW_SRC_SCR.B.CORE3_ENABLE = 1;
+        break;
+    default:
+        break;
+    }
+}
+
+void start_smp_cache_broadcast(int cpu_id)
+{
+    return;
+}
@@ -1,3 +1,3 @@
-SRC_FILES := boot.S cpu_init.S xil-crt0.S cortexA9.S
+SRC_FILES := boot.S cpu_init.S xil-crt0.S cortexA9.S smp.c

 include $(KERNEL_ROOT)/compiler.mk
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2010-2012, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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.
+ */
+
+/**
+ * @file smp.c
+ * @brief start multicore
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2024.03.10
+ */
+
+/*************************************************
+File name: smp.c
+Description:
+Others:
+History:
+1. Date: 2024-03-10
+Author: AIIT XUOS Lab
+Modification:
+1. No modifications
+*************************************************/
+#include "cortex_a9.h"
+
+extern void _boot_start();
+void cpu_start_secondary(uint8_t cpu_id)
+{
+    return;
+}
+
+void start_smp_cache_broadcast(int cpu_id)
+{
+    return;
+}