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-rw-r--r--board/stamp/Makefile68
-rw-r--r--board/stamp/config.mk25
-rw-r--r--board/stamp/stamp.c275
-rw-r--r--board/stamp/stamp.h57
-rw-r--r--board/stamp/u-boot.lds147
5 files changed, 572 insertions, 0 deletions
diff --git a/board/stamp/Makefile b/board/stamp/Makefile
new file mode 100644
index 0000000..ab97e1b
--- /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) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/stamp/config.mk b/board/stamp/config.mk
new file mode 100644
index 0000000..0d00730
--- /dev/null
+++ b/board/stamp/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0x07FC0000
+PLATFORM_CPPFLAGS += -I$(TOPDIR)
diff --git a/board/stamp/stamp.c b/board/stamp/stamp.c
new file mode 100644
index 0000000..3fe0134
--- /dev/null
+++ b/board/stamp/stamp.c
@@ -0,0 +1,275 @@
+/*
+ * 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 0000000..7bc33b4
--- /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 0000000..9a22e50
--- /dev/null
+++ b/board/stamp/u-boot.lds
@@ -0,0 +1,147 @@
+/*
+ * 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 = .);
+}