Add missing Blackfin files.

5 files changed, 577 insertions, 0 deletions

diff --git a/board/stamp/Makefile b/board/stamp/Makefile
new file mode 100644
index 0000000000..ab97e1b484
--- /dev/null
+++ b/board/stamp/Makefile
@@ -0,0 +1,68 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005 blackfin.uclinux.org
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o stamp.o
+SOBJS	=
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/stamp/config.mk b/board/stamp/config.mk
new file mode 100644
index 0000000000..4ec82cb776
--- /dev/null
+++ b/board/stamp/config.mk
@@ -0,0 +1,26 @@
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0x07FC0000
+PLATFORM_CPPFLAGS += -I$(TOPDIR)
+
diff --git a/board/stamp/stamp.c b/board/stamp/stamp.c
new file mode 100644
index 0000000000..8485f58c5c
--- /dev/null
+++ b/board/stamp/stamp.c
@@ -0,0 +1,278 @@
+/*
+ * U-boot - stamp.c STAMP board specific routines
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/mem_init.h>
+#include "stamp.h"
+
+#define STATUS_LED_OFF 0
+#define STATUS_LED_ON  1 	
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# define SHOW_BOOT_PROGRESS(arg)	show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)	
+#endif
+
+int checkboard(void)
+{
+	printf("CPU:   ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28);
+	printf("Board: ADI BF533 Stamp board\n");
+	printf("       Support: http://blackfin.uclinux.org/\n");
+	printf("       Richard Klingler <richard@uclinux.net>\n");
+	return 0;
+}
+
+long int initdram(int board_type)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+#ifdef DEBUG
+	printf("SDRAM attributes:\n");
+	printf("  tRCD:%d Cycles; tRP:%d Cycles; tRAS:%d Cycles; tWR:%d Cycles; "
+		"CAS Latency:%d cycles\n", (SDRAM_tRCD >> 15), (SDRAM_tRP >> 11),
+	(SDRAM_tRAS >> 6), ( SDRAM_tWR >> 19), (SDRAM_CL >> 2 ));
+	printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
+	printf("Bank size = %d MB\n", 128);
+#endif
+	gd->bd->bi_memstart = CFG_SDRAM_BASE;
+	gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
+	return (gd->bd->bi_memsize);
+}
+
+void swap_to(int device_id)
+{
+
+	if (device_id == ETHERNET)
+	{
+		*pFIO_DIR = PF0;
+		asm("ssync;");
+		*pFIO_FLAG_S = PF0;
+		asm("ssync;");
+	}
+	else if (device_id == FLASH)
+	{
+		*pFIO_DIR = (PF4 | PF3 | PF2 | PF1 | PF0);
+		*pFIO_FLAG_S = (PF4 | PF3 | PF2 );
+		*pFIO_MASKA_D = (PF8 | PF6 | PF5);
+		*pFIO_MASKB_D = (PF7);
+		*pFIO_POLAR = (PF8 | PF6 | PF5 );
+		*pFIO_EDGE = (PF8 | PF7 | PF6 | PF5);
+		*pFIO_INEN = (PF8 | PF7 | PF6 | PF5);
+		*pFIO_FLAG_D = (PF4 | PF3 | PF2 );
+		asm("ssync;");
+	}
+	else {
+		printf("Unknown bank to switch\n");
+	}	
+	
+	return;
+}
+
+#if defined(CONFIG_MISC_INIT_R)
+/* miscellaneous platform dependent initialisations */
+int misc_init_r(void)
+{
+	int i;
+	int cf_stat = 0;
+
+	/* Check whether CF card is inserted */
+	*pFIO_EDGE = FIO_EDGE_CF_BITS;
+	*pFIO_POLAR = FIO_POLAR_CF_BITS;
+	for (i=0; i < 0x300 ; i++) asm("nop;");
+			
+	if ( (*pFIO_FLAG_S) & CF_STAT_BITS)
+	{
+		cf_stat = 0;
+	}
+	else
+	{
+		cf_stat = 1;
+	}
+
+	*pFIO_EDGE  = FIO_EDGE_BITS;
+	*pFIO_POLAR = FIO_POLAR_BITS;
+	
+
+	if (cf_stat)
+	{
+                printf ("Booting from COMPACT flash\n");
+
+		/* Set cycle time for CF */
+		*(volatile unsigned long *) ambctl1 = CF_AMBCTL1VAL;
+
+		for (i=0; i < 0x1000 ; i++) asm("nop;");
+		for (i=0; i < 0x1000 ; i++) asm("nop;");
+		for (i=0; i < 0x1000 ; i++) asm("nop;");
+
+		serial_setbrg();
+		ide_init();
+
+		setenv ("bootargs", "");
+		setenv ("bootcmd", "fatload ide 0:1 0x1000000 uImage-stamp;bootm 0x1000000;bootm 0x20100000" );
+	}
+	else
+        {
+		printf ("Booting from FLASH\n");
+	}
+
+	return 1;
+}
+#endif
+
+#ifdef CONFIG_STAMP_CF
+
+void cf_outb(unsigned char val, volatile unsigned char* addr)
+{
+	/* 
+	 * Set PF1 PF0 respectively to 0 1 to divert address
+	 * to the expansion memory banks  
+	 */
+	*pFIO_FLAG_S = CF_PF0;
+	*pFIO_FLAG_C = CF_PF1;
+	asm("ssync;");
+
+	*(addr) = val;
+	asm("ssync;");
+
+	/* Setback PF1 PF0 to 0 0 to address external 
+	 * memory banks  */
+	*(volatile unsigned short *) pFIO_FLAG_C = CF_PF1_PF0;
+	asm("ssync;");
+}
+
+unsigned char cf_inb(volatile unsigned char *addr)
+{
+	volatile unsigned char c;
+
+	*pFIO_FLAG_S = CF_PF0;
+	*pFIO_FLAG_C = CF_PF1;
+	asm("ssync;");
+
+	c = *(addr);
+	asm("ssync;");
+
+	*pFIO_FLAG_C = CF_PF1_PF0;
+	asm("ssync;");
+
+	return c;
+}
+
+void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
+{
+	int i;
+
+	*pFIO_FLAG_S = CF_PF0;
+	*pFIO_FLAG_C = CF_PF1;
+	asm("ssync;");
+
+	for (i = 0;i < words; i++)
+	{
+		*(sect_buf + i) = *(addr);
+		asm("ssync;");
+	}
+
+	*pFIO_FLAG_C = CF_PF1_PF0;
+	asm("ssync;");
+}
+
+void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
+{
+	int i;
+
+	*pFIO_FLAG_S = CF_PF0;
+	*pFIO_FLAG_C = CF_PF1;
+	asm("ssync;");
+
+	for (i = 0;i < words; i++)
+	{
+		*(addr) = *(sect_buf + i);
+		asm("ssync;");
+	}
+
+	*pFIO_FLAG_C = CF_PF1_PF0;
+	asm("ssync;");
+}
+#endif
+
+void stamp_led_set(int LED1, int LED2, int LED3)
+{
+	*pFIO_INEN  &= ~( PF2 | PF3 | PF4);
+	*pFIO_DIR   |=  ( PF2 | PF3 | PF4);
+	
+	if(LED1 == STATUS_LED_OFF)
+		*pFIO_FLAG_S = PF2;
+	else
+		*pFIO_FLAG_C = PF2;
+	if(LED2 == STATUS_LED_OFF)
+		*pFIO_FLAG_S = PF3;
+	else
+		*pFIO_FLAG_C = PF3;
+	if(LED3 == STATUS_LED_OFF)
+		*pFIO_FLAG_S = PF4;
+	else
+		*pFIO_FLAG_C = PF4;
+	asm("ssync;");
+}
+
+void show_boot_progress(int status)
+{
+	switch(status){
+		case 1:	
+			stamp_led_set(STATUS_LED_OFF,STATUS_LED_OFF,STATUS_LED_ON);
+			break;
+		case 2:
+			stamp_led_set(STATUS_LED_OFF,STATUS_LED_ON,STATUS_LED_OFF);
+			break;
+		case 3:
+			stamp_led_set(STATUS_LED_OFF,STATUS_LED_ON,STATUS_LED_ON);
+			break;	
+		case 4:
+			stamp_led_set(STATUS_LED_ON,STATUS_LED_OFF,STATUS_LED_OFF);			
+			break;
+		case 5:
+		case 6:
+			stamp_led_set(STATUS_LED_ON,STATUS_LED_OFF,STATUS_LED_ON);			
+			break;
+		case 7:
+		case 8:
+			stamp_led_set(STATUS_LED_ON,STATUS_LED_ON,STATUS_LED_OFF);			
+			break;
+		case 9:
+		case 10:
+		case 11:
+		case 12:
+		case 13:
+		case 14:
+		case 15:
+			stamp_led_set(STATUS_LED_OFF,STATUS_LED_OFF,STATUS_LED_OFF);			
+			break;
+		default:
+			stamp_led_set(STATUS_LED_ON,STATUS_LED_ON,STATUS_LED_ON);			
+			break;
+	}
+}
+
diff --git a/board/stamp/stamp.h b/board/stamp/stamp.h
new file mode 100644
index 0000000000..7bc33b4147
--- /dev/null
+++ b/board/stamp/stamp.h
@@ -0,0 +1,57 @@
+/*
+ * U-boot - stamp.h
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __STAMP_H__
+#define __STAMP_H__
+
+extern void init_Flags(void);
+
+extern volatile unsigned long *ambctl0;
+extern volatile unsigned long *ambctl1;
+extern volatile unsigned long *amgctl;
+
+extern unsigned long pll_div_fact;
+extern void serial_setbrg(void);
+extern void pll_set(int vco, int crystal_frq, int pll_div);
+
+/* Definitions used in  Compact Flash Boot support */
+#define FIO_EDGE_CF_BITS 	0x0000
+#define FIO_POLAR_CF_BITS 	0x0000
+#define	FIO_EDGE_BITS  		0x1E0
+#define	FIO_POLAR_BITS  	0x160
+
+/* Compact flash status bits in status register */
+#define CF_STAT_BITS 		0x00000060
+
+/* CF Flags used to switch between expansion and external
+ * memory banks
+ */
+#define CF_PF0			0x0001
+#define CF_PF1			0x0002
+#define CF_PF1_PF0		0x0003
+
+#endif
diff --git a/board/stamp/u-boot.lds b/board/stamp/u-boot.lds
new file mode 100644
index 0000000000..ad6886f8e1
--- /dev/null
+++ b/board/stamp/u-boot.lds
@@ -0,0 +1,148 @@
+/*
+ * U-boot - u-boot.lds
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(bfin)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)	}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)	}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)	}
+  .rela.got      : { *(.rela.got)	}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)	}
+  .rela.bss      : { *(.rela.bss)	}
+  .rel.plt       : { *(.rel.plt)	}
+  .rela.plt      : { *(.rela.plt)	}
+  .init          : { *(.init)		}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector before the environment sector. If it throws 	*/
+    /* an error during compilation remove an object here to get	*/
+    /* it linked after the configuration sector.		*/
+
+    cpu/bf533/start.o		(.text)
+    cpu/bf533/start1.o		(.text)
+    cpu/bf533/traps.o		(.text)
+    cpu/bf533/interrupt.o	(.text)
+    cpu/bf533/serial.o		(.text)
+    common/dlmalloc.o		(.text)
+    lib_generic/vsprintf.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_generic/zlib.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
+