diff options
Diffstat (limited to 'board/stamp')
| -rw-r--r-- | board/stamp/Makefile | 68 | ||||
| -rw-r--r-- | board/stamp/config.mk | 25 | ||||
| -rw-r--r-- | board/stamp/stamp.c | 276 | ||||
| -rw-r--r-- | board/stamp/stamp.h | 57 | ||||
| -rw-r--r-- | board/stamp/u-boot.lds | 147 |
5 files changed, 573 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..7e3af20 --- /dev/null +++ b/board/stamp/stamp.c @@ -0,0 +1,276 @@ +/* + * 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" + +DECLARE_GLOBAL_DATA_PTR; + +#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) +{ +#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 = .); +} |