Initial import of slof-JX-1.7.0-4

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

13 files changed, 614 insertions, 0 deletions

diff --git a/include/calculatecrc.h b/include/calculatecrc.h
new file mode 100644
index 0000000..2168478
--- /dev/null
+++ b/include/calculatecrc.h
@@ -0,0 +1,66 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#ifndef CALCULATECRC_H
+#define CALCULATECRC_H
+
+	#define FLASHFS_DATADDR 0x18                // uint64_t position of pointer to data
+	#define FLASHFS_FILE_SIZE_ADDR 0x08         // uint64_t pos of total flashimage size value relative to data
+	#define FLASHFS_HEADER_SIZE_ADDR 0x08       // uint64_t position of total flash header size value
+
+	#ifdef __ASSEMBLER__
+		// "CRC_GENERATOR" must contain equal inforamtion as "CRC_METHODE"
+		#define CRC_GENERATOR 0x0000000004C11DB7
+		#define CRC_REGISTERMASK 0x00000000FFFFFFFF
+		#define CRC_REGISTERLENGTH 32
+	#endif		/* __ASSEMBLER__ */
+
+	#ifndef __ASSEMBLER__
+		#define FLASHFS_ROMADDR 0x00		// uint64_t position of pointer to next file
+		#define FLASHFS_HEADER_DATA_SIZE 0x68	// 104 bytes of total header data size
+		#define CRC_METHODE Ethernet_32		// define the CRc genarator (CRC 16 bit to 64 is supported)
+
+	//--- header format ---------------------------------
+		struct stH {
+				char magic[8];            // (generic!) headerfile
+				uint64_t flashlen;        // dyn
+				char version[16];         // $DRIVER_INFO alignment!
+				char platform_name[32];   // (hardware)   headerfile
+				char date[6];             // dyn (format -> JB)
+				char padding1[2];         // padding byte
+				char mdate[6];            // modify date
+				char padding2[2];         // padding byte
+				char platform_revision[4];// (hardware)   headerfile
+				uint32_t padding;
+				uint64_t ui64CRC;         // insert calculated CRC here
+				uint64_t ui64FileEnd;     // = 0xFFFF FFFF FFFF FFFF
+		};
+	#endif		/* __ASSEMBLER__ */
+
+#endif		/* CALCULATECRC_H */
+
+/*--- supported CRC Generators -------------------------
++	Name						length		usage						Generator
++	Tap_16						16 bit		Tape						0x00008005	
++	Floppy_16					16 bit		Floppy						0x00001021
++	Ethernet_32					32 bit		Ethernet					0x04C11DB7
++	SPTrEMBL_64					64 bit		white noise like date		0x0000001B
++	SPTrEMBL_improved_64   		64 bit		DNA code like date			0xAD93D23594C9362D
++	DLT1_64						64 bit		Tape						0x42F0E1EBA9EA3693
++	
++	CRC_REGISTERLENGTH 	= bit length
++	CRC_REGISTERMASK 	= -1 for a n-bit numer where n = bit length
++		example TAP_16:		CRC_REGSISTERLENGTH = 16
++							CRC_REGISTERMASK = 0xFFFFFFFF = (-1 if 16 bit number is used)
++
++	TrEMBL see also	http://www.cs.ud.ac.uk/staff/D.Jones/crcbote.pdf
++	DLT1 se also 	http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-182.pdf
++--------------------------------------------------------*/
diff --git a/include/libelf.h b/include/libelf.h
new file mode 100644
index 0000000..905c76b
--- /dev/null
+++ b/include/libelf.h
@@ -0,0 +1,18 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef __LIBELF_H
+#define __LIBELF_H
+
+int load_elf_file(unsigned long *, unsigned long *);
+
+#endif				/* __LIBELF_H */
diff --git a/include/macros.h b/include/macros.h
new file mode 100644
index 0000000..f519bb8
--- /dev/null
+++ b/include/macros.h
@@ -0,0 +1,58 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#define LOAD64(rn,name)			\
+	lis     rn,name##@highest;	\
+	ori     rn,rn,name##@higher;	\
+	rldicr  rn,rn,32,31;		\
+	oris    rn,rn,name##@h;		\
+	ori     rn,rn,name##@l
+
+#define LOAD32(rn, name)		\
+	lis	rn,name##@h;		\
+	ori	rn,rn,name##@l
+
+// load 32 bit constant in little endian order
+#define LOAD32le(rn,name) \
+        lis     rn,(((name>>8)&0x00FF)|((name<<8)&0xFF00));  \
+        ori     rn,rn,(((name>>24)&0x00FF)|((name>>8)&0xFF00))
+
+// load 16 bit constant in little endian order
+#define LOAD16le(rn,name) \
+        li      rn,(((name>>8)&0x00FF)|((name<<8)&0xFF00))
+
+#define ENTRY(func_name)              \
+	.text;                        \
+	.align  2;                    \
+	.globl  .func_name;           \
+        .func_name:                   \
+	.globl  func_name;            \
+        func_name:
+
+#define C_ENTRY(func_name)			\
+	.section	".text";		\
+	.align 2;				\
+	.globl func_name;			\
+	.section	".opd","aw";		\
+	.align 3;				\
+ func_name:					\
+	.quad	.func_name,.TOC.@tocbase,0;	\
+	.previous;				\
+	.size	func_name,24;			\
+	.type	.func_name,@function;		\
+	.globl	.func_name;			\
+ .func_name:
+
+#define ASM_ENTRY(fn)	\
+	.globl	fn;	\
+fn:
+
diff --git a/include/memmap.h b/include/memmap.h
new file mode 100644
index 0000000..abf3c1f
--- /dev/null
+++ b/include/memmap.h
@@ -0,0 +1,26 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#ifndef MEMMAP_H
+#define MEMMAP_H
+
+#define MEG			0x100000
+
+#define SLAVELOOP_LOADBASE	0x0000000000003f00
+#define STAGE2_LOADBASE		(60 * MEG)
+#define OF_LOADBASE		0x000000000000a000
+
+#define MEM_HALF		(512 * MEG)
+
+/* BE Engines Offsets */
+#define BE_MIC_BASE 0x50A000
+
+#endif
diff --git a/include/pcd.h b/include/pcd.h
new file mode 100644
index 0000000..9794b76
--- /dev/null
+++ b/include/pcd.h
@@ -0,0 +1,58 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#ifndef PCD_H
+#define PCD_H
+
+#define PCD_START_ADDR 0xFF00000       // FIXME: this should not interfere with
+				       // other parts of the firmware
+#define PCD_HDR_SIZE   (6 * 8)   /* only use for ctrl file */
+
+/* PCD File Definition ****************************************/
+/* File = "p:ctrl"   0x703a6374726c0000                       */
+/* Data :                                                     */
+/* [00:07] - pointer to header of last file which was created */
+/* [08:0f] - pointer to header of next file for creation      */
+/**************************************************************/
+#define PCDF_CTRL_LAST	0
+#define PCDF_CTRL_NEXT  8
+
+/* PCD File Definition ****************************************/
+/* File = "p:pXmem"                                           */
+/* Data :                                                     */
+/* [00:07] - number of memory segments                        */
+/* [08:0f] - real base of memory segment #n                   */
+/* [10:17] - real size of memory segment #n                   */
+/* [18:1f] - real base of memory segment #n+1                 */
+/* [20:27] - real size of memory segment #n+1                 */
+/* ... and so on..                                            */
+/**************************************************************/
+#define PCDF_MEM_NUM       0
+#define PCDF_MEMN_BASE(N)  (8 + ((N) * 16))
+#define PCDF_MEMN_SIZE(M)  (PCDF_MEMN_BASE(M) + 8)
+
+/* PCD File Definition ****************************************/
+/* File = "p:pXcfg"                                           */
+/* Data :                                                     */
+/* [00:07] - number of memory segments                        */
+/* [08:0f] - real base of memory segment #n                   */
+/* [10:17] - real size of memory segment #n                   */
+/* [18:1f] - real base of memory segment #n+1                 */
+/* [20:27] - real size of memory segment #n+1                 */
+/* ... and so on..                                            */
+/**************************************************************/
+#define PCDF_PCFG_IOCBASE	(0 * 8)
+#define PCDF_PCFG_BPBASE	(1 * 8)
+#define PCDF_PCFG_SPUMAP	(2 * 8)
+#define PCDF_PCFG_TIMEBASE	(3 * 8)
+#define PCDF_PCFG_CPUFREQ   (4 * 8)
+
+#endif
diff --git a/include/ppc970/cache.h b/include/ppc970/cache.h
new file mode 100644
index 0000000..284ebde
--- /dev/null
+++ b/include/ppc970/cache.h
@@ -0,0 +1,40 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef __CACHE_H
+#define __CACHE_H
+
+#include <cpu.h>
+#include <stdint.h>
+
+#define cache_inhibited_access(type,name) 			\
+	static inline type ci_read_##name(type * addr)		\
+	{							\
+		type val;					\
+		set_ci();					\
+		val = *addr;					\
+		clr_ci();					\
+		return val;					\
+	}							\
+	static inline void ci_write_##name(type * addr, type data)	\
+	{							\
+		set_ci();					\
+		*addr = data;					\
+		clr_ci();					\
+	}
+
+cache_inhibited_access(uint8_t,  8)
+cache_inhibited_access(uint16_t, 16)
+cache_inhibited_access(uint32_t, 32)
+cache_inhibited_access(uint64_t, 64)
+
+#endif
diff --git a/include/ppc970/cpu.h b/include/ppc970/cpu.h
new file mode 100644
index 0000000..f42fd48
--- /dev/null
+++ b/include/ppc970/cpu.h
@@ -0,0 +1,103 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef __PPC970_H
+#define __PPC970_H
+
+/* SPRs numbers */
+
+#define CTRL_RD 136
+#define CTRL_WR 152
+#define PVR     287
+#define HSPRG0  304
+#define HSPRG1  305
+#define HIOR    311
+#define HID0    1008
+#define HID1    1009
+#define HID4    1012
+#define HID6    1017
+#define PIR     1023
+
+#define SETCI(r)	sync; \
+			mfspr	r, HID4; \
+			sync; \
+			rldicl	r, r, 32,0; \
+			ori	r, r, 0x0100; \
+			rldicl	r, r, 32,0; \
+			sync; \
+			slbia; \
+			mtspr	HID4, r; \
+			isync; \
+			eieio;
+
+#define CLRCI(r)	sync; \
+			mfspr	r, HID4; \
+			sync; \
+			rldicl	r, r, 32, 0; \
+			ori	r, r, 0x0100; \
+			xori	r, r, 0x0100; \
+			rldicl	r, r, 32, 0; \
+			sync; \
+			slbia; \
+			mtspr	HID4, r; \
+			isync; \
+			eieio;
+
+/* This macro uses r0 */
+#define FLUSH_CACHE(r, n)	add	n, n, r; \
+				addi	n, n, 127; \
+				rlwinm	r, r, 0,0,24; \
+				rlwinm	n, n, 0,0,24; \
+				sub	n, n, r; \
+				srwi	n, n, 7; \
+				mtctr	n; \
+			0:	dcbst	0, r; \
+				sync; \
+				icbi	0, r; \
+				sync; \
+				isync; \
+				addi	r, r, 128; \
+				bdnz	0b;
+
+#ifndef __ASSEMBLER__
+#define STRINGIFY(x...) #x
+#define EXPAND(x) STRINGIFY(x)
+
+static inline void
+set_ci()
+{
+	unsigned long tmp;
+	asm volatile(EXPAND(SETCI(%0)) : "=r"(tmp) :: "memory", "cc");
+}
+
+static inline void
+clr_ci()
+{
+	unsigned long tmp;
+	asm volatile(EXPAND(CLRCI(%0)) : "=r"(tmp) :: "memory", "cc");
+}
+
+static inline void
+eieio()
+{
+	asm volatile ("eieio":::"memory");
+}
+
+static inline void
+flush_cache(void* r, long n)
+{
+	asm volatile(EXPAND(FLUSH_CACHE(%0, %1)) : "+r"(r), "+r"(n) :: "memory", "cc", "r0", "ctr");
+}
+
+#endif /* __ASSEMBLER__ */
+
+#endif
diff --git a/include/romfs.h b/include/romfs.h
new file mode 100644
index 0000000..7228502
--- /dev/null
+++ b/include/romfs.h
@@ -0,0 +1,60 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#ifndef ROMFS_H
+#define ROMFS_H
+
+#define RFS_T_SIZE	0x00
+#define RFS_T_FLAGS	0x08
+#define RFS_T_FILEADDR	0x10
+#define RFS_T_NEXT	0x18
+#define RFS_T_NAME	0x20
+#define RFS_T_DATA	0x28
+
+#define RFS_H_NEXT	0x00
+#define RFS_H_SIZE	0x08
+#define RFS_H_FLAGS	0x10
+#define RFS_H_DATA	0x18
+#define RFS_H_NAME	0x20
+
+#define ROMFS_HDR_NEXT (0 * 8)
+#define ROMFS_HDR_LEN  (1 * 8)
+#define ROMFS_HDR_FLAG (2 * 8)
+#define ROMFS_HDR_DPTR (3 * 8)
+#define ROMFS_HDR_NAME (4 * 8)
+
+#ifndef  __ASSEMBLER__
+/* no not change except if you change romfs.S */
+struct romfs_t {
+	unsigned long	size;
+	unsigned long	flags;
+	unsigned long	fileaddr;
+	unsigned long	nexfile;
+	unsigned char	*namep;
+	unsigned char	*datap;
+};
+
+struct romfs_lookup_t {
+	unsigned long	addr_header;
+	unsigned long	addr_data;
+	unsigned long	size_data;
+	unsigned long	flags;
+};
+
+int romfs_stat(char *filename, struct romfs_t *hnd);
+
+int romfs_stat_file(char *filename, struct romfs_t *hnd);
+
+int c_romfs_lookup(char *filename, unsigned long rombase,
+		struct romfs_lookup_t *ret);
+
+#endif		/*  __ASSEMBLER__ */
+#endif		/* ROMFS_H */
diff --git a/include/rtas.h b/include/rtas.h
new file mode 100644
index 0000000..e44dedb
--- /dev/null
+++ b/include/rtas.h
@@ -0,0 +1,42 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef __RTAS_H
+#define __RTAS_H
+
+#ifndef __ASSEMBLER__
+
+#include <stddef.h>
+
+typedef int rtas_arg_t;
+typedef struct {
+	int token;
+	int nargs;
+	int nret;
+	rtas_arg_t args[16];
+} rtas_args_t;
+
+#else
+
+#define RTAS_STACKSIZE 0x1000
+
+#define RTAS_PARM_0 0x0c
+#define RTAS_PARM_1 0x10
+#define RTAS_PARM_2 0x14
+#define RTAS_PARM_3 0x18
+#define RTAS_PARM_4 0x1C
+#define RTAS_PARM_5 0x20
+#define RTAS_PARM_6 0x24
+#define RTAS_PARM_7 0x28
+
+#endif		/* __ASSEMBLER__ */
+#endif		/* __RTAS_H */
diff --git a/include/rtas_table.h b/include/rtas_table.h
new file mode 100644
index 0000000..cdf9db7
--- /dev/null
+++ b/include/rtas_table.h
@@ -0,0 +1,32 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef __RTAS_TABLE_H
+#define __RTAS_TABLE_H
+
+
+typedef struct {
+	char *name;
+	void (*func)(rtas_args_t *args);
+	unsigned long flags;
+} rtas_funcdescr_t;
+
+
+// Flags for the RTAS table:
+#define RTAS_TBLFLG_INTERNAL 1
+
+
+extern const rtas_funcdescr_t rtas_func_tab[];
+extern const int rtas_func_tab_size;
+
+
+#endif  // __RTAS_TABLE_H
diff --git a/include/termctrl.h b/include/termctrl.h
new file mode 100644
index 0000000..502ecae
--- /dev/null
+++ b/include/termctrl.h
@@ -0,0 +1,62 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#ifndef TERMCTRL_H
+#define TERMCTRL_H
+
+/* foreground colors */
+#define TERM_FG_BLACK    ""
+#define TERM_FG_RED      ""
+#define TERM_FG_GREEN    ""
+#define TERM_FG_YELLOW   ""
+#define TERM_FG_BLUE     ""
+#define TERM_FG_MAGENTA  ""
+#define TERM_FG_CYAN     ""
+#define TERM_FG_WHITE    ""
+
+/* background colors */
+#define TERM_BG_BLACK    ""
+#define TERM_BG_RED      ""
+#define TERM_BG_GREEN    ""
+#define TERM_BG_YELLOW   ""
+#define TERM_BG_BLUE     ""
+#define TERM_BG_MAGENTA  ""
+#define TERM_BG_CYAN     ""
+#define TERM_BG_WHITE    ""
+
+/* control */
+#define TERM_CTRL_RESET      ""
+#define TERM_CTRL_BRIGHT     ""
+#define TERM_CTRL_DIM        ""
+#define TERM_CTRL_UNDERSCORE ""
+#define TERM_CTRL_BLINK      ""
+#define TERM_CTRL_REVERSE    ""
+#define TERM_CTRL_HIDDEN     ""
+#define TERM_CTRL_CLEAR      ""
+#define TERM_CTRL_HOME       ""
+
+#define TERM_CTRL_1UP        ""
+#define TERM_CTRL_1BACK      ""
+#define TERM_CTRL_SAVECRS    ""
+#define TERM_CTRL_RESTCRS    ""
+#define TERM_CTRL_CRSON      "[?25h"
+#define TERM_CTRL_CRSOFF     "[?25l"
+#define TERM_CTRL_CRSFWDN    "[%dC"
+#define TERM_CTRL_CRSX       "[%dC"
+#define TERM_CTRL_CRSY       "[%dB"
+#define TERM_CTRL_CRSXY      "[%d;%dH" /* y,x */
+
+/* keys */
+#define KEY_CTRL 0x1b
+#define KEY_UP   0x41
+#define KEY_DN   0x42
+
+#endif
diff --git a/include/types.h b/include/types.h
new file mode 100644
index 0000000..cbadd7c
--- /dev/null
+++ b/include/types.h
@@ -0,0 +1,28 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef _TYPES_H
+#define _TYPES_H
+
+#warning "This file is obsolete. Please use #include <stdint.h> instead."
+
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;
+typedef unsigned long long uint64_t;
+
+typedef signed char int8_t;
+typedef signed short int16_t;
+typedef signed int int32_t;
+typedef signed long long int64_t;
+
+#endif
diff --git a/include/xvect.h b/include/xvect.h
new file mode 100644
index 0000000..5926b18
--- /dev/null
+++ b/include/xvect.h
@@ -0,0 +1,21 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef __XVECT_H
+#define __XVECT_H
+
+#define XVECT_M_HANDLER	0x2ff0 /* Master Handler */
+#define XVECT_S_HANDLER	0x2ff8 /* Slave Handler  */
+#define XVECT_TOPADDR   0x3fff
+#define XVECT_SLP_ENTRY SLAVELOOP_LOADBASE
+
+#endif