This change adds PPC support to libpayload, and hooks it up in the build

process.
The PPC support is still stubbed, with commented out x86 code as guide
line for an implementor.

Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4293 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

4 files changed, 265 insertions, 0 deletions

diff --git a/payloads/libpayload/include/powerpc/arch/endian.h b/payloads/libpayload/include/powerpc/arch/endian.h
new file mode 100644
index 0000000000..8ffad70f0b
--- /dev/null
+++ b/payloads/libpayload/include/powerpc/arch/endian.h
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _ARCH_ENDIAN_H
+#define _ARCH_ENDIAN_H
+
+#include <arch/types.h>
+
+#define ntohw(in) (in)
+
+#define ntohl(in) (in)
+
+#define ntohll(in) (in)
+
+#endif
diff --git a/payloads/libpayload/include/powerpc/arch/io.h b/payloads/libpayload/include/powerpc/arch/io.h
new file mode 100644
index 0000000000..1676a8a119
--- /dev/null
+++ b/payloads/libpayload/include/powerpc/arch/io.h
@@ -0,0 +1,123 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _ARCH_IO_H
+#define _ARCH_IO_H
+
+extern uint32_t isa_io_base;
+
+#define readb(_a) (*(volatile unsigned char *) (_a))
+#define readw(_a) (*(volatile unsigned short *) (_a))
+#define readl(_a) (*(volatile unsigned long *) (_a))
+
+#define writeb(_v, _a) (*(volatile unsigned char *) (_a) = (_v))
+#define writew(_v, _a) (*(volatile unsigned short *) (_a) = (_v))
+#define writel(_v, _a) (*(volatile unsigned long *) (_a) = (_v))
+
+static inline unsigned long inl(int port)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	unsigned long val;
+	__asm__ __volatile__("lhbrx %0,0,%1; eieio":"=r"(val):
+			"r"(addr), "m"(*addr));
+	return val;
+}
+
+static inline unsigned short inw(int port)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	unsigned short val;
+	__asm__ __volatile__("lwbrx %0,0,%1; eieio":"=r"(val):"r"(addr), "m"(*addr));
+	return val;
+}
+
+static inline unsigned char inb(int port)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	unsigned char val;
+	__asm__ __volatile__("lbz%U1%X1 %0,%1; eieio":"=r"(val):"m"(*addr));
+	return val;
+}
+
+static inline void outl(unsigned long val, int port)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	__asm__ __volatile__("stb%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
+}
+
+static inline void outw(unsigned short val, int port)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	__asm__ __volatile__("sthbrx %1,0,%2; eieio":"=m"(*addr):"r"(val),"r"(addr));
+}
+
+static inline void outb(unsigned char val, int port)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	__asm__ __volatile__("stwbrx %1,0,%2; eieio":"=m"(*addr):"r"(val), "r"(addr));
+}
+
+static inline void outsl(int port, const void *addr, unsigned long count)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	//__asm__ __volatile__("rep; outsl" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void outsw(int port, const void *addr, unsigned long count)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	//__asm__ __volatile__("rep; outsw" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void outsb(int port, const void *addr, unsigned long count)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	//__asm__ __volatile__("rep; outsb" : "+S"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insl(int port, void *addr, unsigned long count)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	//__asm__ __volatile__("rep; insl" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insw(int port, void *addr, unsigned long count)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	//__asm__ __volatile__("rep; insw" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+static inline void insb(int port, void *addr, unsigned long count)
+{
+	volatile unsigned char *addr = (volatile unsigned char *)(isa_io_base + port);
+	//__asm__ __volatile__("rep; insb" : "+D"(addr), "+c"(count) : "d"(port));
+}
+
+#endif
diff --git a/payloads/libpayload/include/powerpc/arch/types.h b/payloads/libpayload/include/powerpc/arch/types.h
new file mode 100644
index 0000000000..1bd815bb44
--- /dev/null
+++ b/payloads/libpayload/include/powerpc/arch/types.h
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _ARCH_TYPES_H
+#define _ARCH_TYPES_H
+
+typedef unsigned char uint8_t;
+typedef unsigned char u8;
+typedef signed char int8_t;
+typedef signed char s8;
+
+typedef unsigned short uint16_t;
+typedef unsigned short u16;
+typedef signed short int16_t;
+typedef signed short s16;
+
+typedef unsigned int uint32_t;
+typedef unsigned int u32;
+typedef signed int int32_t;
+typedef signed int s32;
+
+typedef unsigned long long uint64_t;
+typedef unsigned long long u64;
+typedef signed long long int64_t;
+typedef signed long long s64;
+
+typedef long time_t;
+typedef long suseconds_t;
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#endif
diff --git a/payloads/libpayload/include/powerpc/arch/virtual.h b/payloads/libpayload/include/powerpc/arch/virtual.h
new file mode 100644
index 0000000000..328c3aa34e
--- /dev/null
+++ b/payloads/libpayload/include/powerpc/arch/virtual.h
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2008 coresystems GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _ARCH_VIRTUAL_H
+#define _ARCH_VIRTUAL_H
+
+extern unsigned long virtual_offset;
+
+#define virt_to_phys(virt) ((unsigned long) (virt) + virtual_offset)
+#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virtual_offset))
+
+#define virt_to_bus(addr) virt_to_phys(addr)
+#define bus_to_virt(addr) phys_to_virt(addr)
+
+#endif