PPC: Preliminary untested boot support for Common Firmware Environment

CFE is used in the upcoming Amiga X-1000 dualcore PPC board. * Largely inspired by the OF and U-Boot code. * Still largely stubbed out. * The loader builds but I don't have a machine to test it. Anyone interested?
2011-11-14 01:31:50 +01:00
parent 5247333d36
commit 478dc9887e
26 changed files with 2091 additions and 0 deletions
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2011, François Revol, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef KERNEL_BOOT_PLATFORM_CFE_CFE_H
+#define KERNEL_BOOT_PLATFORM_CFE_CFE_H
+
+
+#include <SupportDefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define CFE_EPTSEAL	0x43464531	/* 'CFE1' */
+#define CFE_MAGIC	CFE_EPTSEAL
+
+// cfe/include/cfe_timer.h
+#define CFE_HZ		10
+
+/* CFE sources declare this separately in cfe_api.h */
+
+/* (let's hope it's always built-in,
+   unlike u-boot's API which never is... */
+
+#define CFE_FLG_COLDSTART		0x00000000
+#define CFE_FLG_WARMSTART		0x00000001
+
+#define CFE_STDHANDLE_CONSOLE	0
+
+int cfe_init(uint64 handle, uint64 entry);
+
+int cfe_exit(int32 warm, int32 status);
+uint64 cfe_getticks(void);
+
+int cfe_enumdev(int idx, char *name, int namelen);
+
+int cfe_getstdhandle(int flag);
+int cfe_open(const char *name);
+int cfe_close(int handle);
+
+int cfe_readblk(int handle, int64 offset, void *buffer, int length);
+int cfe_writeblk(int handle, int64 offset, const void *buffer, int length);
+
+#define CFE_OK			0
+#define CFE_ERR			-1
+
+status_t cfe_error(int32 err);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* KERNEL_BOOT_PLATFORM_CFE_CFE_H */
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the OpenBeOS License.
+ */
+#ifndef KERNEL_BOOT_PLATFORM_CFE_ARCH_H
+#define KERNEL_BOOT_PLATFORM_CFE_ARCH_H
+
+
+#include <SupportDefs.h>
+
+struct kernel_args;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* memory management */
+	
+extern status_t arch_set_callback(void);
+extern void *arch_mmu_allocate(void *address, size_t size,
+	uint8 protection, bool exactAddress);
+extern status_t arch_mmu_free(void *address, size_t size);
+extern status_t arch_mmu_init(void);
+
+/* CPU */
+
+extern status_t boot_arch_cpu_init(void);
+
+/* kernel start */
+
+status_t arch_start_kernel(struct kernel_args *kernelArgs,
+	addr_t kernelEntry, addr_t kernelStackTop);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* KERNEL_BOOT_PLATFORM_CFE_ARCH_H */
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the OpenBeOS License.
+ */
+#ifndef KERNEL_BOOT_PLATFORM_CFE_KERNEL_ARGS_H
+#define KERNEL_BOOT_PLATFORM_CFE_KERNEL_ARGS_H
+
+#ifndef KERNEL_BOOT_KERNEL_ARGS_H
+#	error This file is included from <boot/kernel_args.h> only
+#endif
+
+// must match SMP_MAX_CPUS in arch_smp.h
+#define MAX_BOOT_CPUS 4
+#define MAX_PHYSICAL_MEMORY_RANGE 4
+#define MAX_PHYSICAL_ALLOCATED_RANGE 8
+#define MAX_VIRTUAL_ALLOCATED_RANGE 32
+
+
+typedef struct {
+	uint64	cfe_entry;	// pointer but always 64bit
+	//XXX:char	rtc_path[128];
+} platform_kernel_args;
+
+#endif	/* KERNEL_BOOT_PLATFORM_CFE_KERNEL_ARGS_H */
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the OpenBeOS License.
+ */
+#ifndef KERNEL_BOOT_PLATFORM_CFE_STAGE2_ARGS_H
+#define KERNEL_BOOT_PLATFORM_CFE_STAGE2_ARGS_H
+
+#ifndef KERNEL_BOOT_STAGE2_ARGS_H
+#	error This file is included from <boot/stage2_args.h> only
+#endif
+
+struct platform_stage2_args {
+};
+
+#endif	/* KERNEL_BOOT_PLATFORM_CFE_STAGE2_ARGS_H */