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Merge with /home/stefan/git/u-boot/acadia-nand-boot

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This commit is contained in:
Stefan Roese
2007-06-06 11:43:58 +02:00
parent c0c292b285 c440bfe6d6
commit 1cf6756333
14 changed files with 685 additions and 70 deletions
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2
board/amcc/acadia/Makefile
View File

@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS = $(BOARD).o cpr.o memory.o
COBJS = $(BOARD).o cmd_acadia.o cpr.o memory.o
SOBJS =
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)

10
board/amcc/acadia/acadia.c
View File

@@ -63,8 +63,14 @@ int board_early_init_f(void)
acadia_gpio_init();
/* Configure 405EZ for NAND usage */
mtsdr(sdrnand0, 0x80c00000);
mtsdr(sdrultra0, 0x8d110000);
mtsdr(sdrnand0, SDR_NAND0_NDEN | SDR_NAND0_NDAREN | SDR_NAND0_NDRBEN);
mfsdr(sdrultra0, reg);
reg &= ~SDR_ULTRA0_CSN_MASK;
reg |= (SDR_ULTRA0_CSNSEL0 >> CFG_NAND_CS) |
SDR_ULTRA0_NDGPIOBP |
SDR_ULTRA0_EBCRDYEN |
SDR_ULTRA0_NFSRSTEN;
mtsdr(sdrultra0, reg);
/* USB Host core needs this bit set */
mfsdr(sdrultra1, reg);

101
board/amcc/acadia/cmd_acadia.c Normal file
View File

@@ -0,0 +1,101 @@
/*
* (C) Copyright 2007
* Stefan Roese, DENX Software Engineering, sr@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 <command.h>
#include <i2c.h>
static u8 boot_267_nor[] = {
0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00,
0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
static u8 boot_267_nand[] = {
0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00,
0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
u8 chip;
u8 *buf;
int cpu_freq;
if (argc < 3) {
printf("Usage:\n%s\n", cmdtp->usage);
return 1;
}
cpu_freq = simple_strtol(argv[1], NULL, 10);
if (cpu_freq != 267) {
printf("Unsupported cpu-frequency - only 267 supported\n");
return 1;
}
/* use 0x50 as I2C EEPROM address for now */
chip = 0x50;
if ((strcmp(argv[2], "nor") != 0) &&
(strcmp(argv[2], "nand") != 0)) {
printf("Unsupported boot-device - only nor|nand support\n");
return 1;
}
if (strcmp(argv[2], "nand") == 0) {
switch (cpu_freq) {
case 267:
buf = boot_267_nand;
break;
default:
break;
}
} else {
switch (cpu_freq) {
case 267:
buf = boot_267_nor;
break;
default:
break;
}
}
if (i2c_write(chip, 0, 1, buf, 16) != 0)
printf("Error writing to EEPROM at address 0x%x\n", chip);
udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0)
printf("Error2 writing to EEPROM at address 0x%x\n", chip);
printf("Done\n");
printf("Please power-cycle the board for the changes to take effect\n");
return 0;
}
U_BOOT_CMD(
bootstrap, 3, 0, do_bootstrap,
"bootstrap - program the I2C bootstrap EEPROM\n",
"<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM\n"
);

6
board/amcc/acadia/config.mk
View File

@@ -21,6 +21,12 @@
# MA 02111-1307 USA
#
#
# AMCC 405EZ Reference Platform (Acadia) board
#
sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
ifndef TEXT_BASE
TEXT_BASE = 0xFFFC0000
endif

11
board/amcc/acadia/memory.c
View File

@@ -39,6 +39,7 @@ void sdram_init(void)
return;
}
#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
static void cram_bcr_write(u32 wr_val)
{
wr_val <<= 2;
@@ -62,9 +63,12 @@ static void cram_bcr_write(u32 wr_val)
return;
}
#endif
long int initdram(int board_type)
{
#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
int i;
u32 val;
/* 1. EBC need to program READY, CLK, ADV for ASync mode */
@@ -92,7 +96,12 @@ long int initdram(int board_type)
/* Config EBC to use RDY */
mfsdr(sdrultra0, val);
mtsdr(sdrultra0, val | 0x04000000);
mtsdr(sdrultra0, val | SDR_ULTRA0_EBCRDYEN);
/* Wait a short while, since for NAND booting this is too fast */
for (i=0; i<200000; i++)
;
#endif
return (CFG_MBYTES_RAM << 20);
}

137
board/amcc/acadia/u-boot-nand.lds Normal file
View File

@@ -0,0 +1,137 @@
/*
* (C) Copyright 2007
* 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(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
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 layout of our flash chips! XXX FIXME XXX */
cpu/ppc4xx/start.o (.text)
/* Align to next NAND block */
. = ALIGN(0x4000);
common/environment.o (.ppcenv)
/* Keep some space here for redundant env and potential bad env blocks */
. = ALIGN(0x10000);
*(.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 = .);
}