summaryrefslogtreecommitdiff
path: root/board
diff options
context:
space:
mode:
Diffstat (limited to 'board')
-rw-r--r--board/amcc/acadia/Makefile2
-rw-r--r--board/amcc/acadia/acadia.c10
-rw-r--r--board/amcc/acadia/cmd_acadia.c101
-rw-r--r--board/amcc/acadia/config.mk6
-rw-r--r--board/amcc/acadia/memory.c11
-rw-r--r--board/amcc/acadia/u-boot-nand.lds137
6 files changed, 263 insertions, 4 deletions
diff --git a/board/amcc/acadia/Makefile b/board/amcc/acadia/Makefile
index abcbf3e..ddbcb80 100644
--- a/board/amcc/acadia/Makefile
+++ b/board/amcc/acadia/Makefile
@@ -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)
diff --git a/board/amcc/acadia/acadia.c b/board/amcc/acadia/acadia.c
index 3b63c8a..46d63e6 100644
--- a/board/amcc/acadia/acadia.c
+++ b/board/amcc/acadia/acadia.c
@@ -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);
diff --git a/board/amcc/acadia/cmd_acadia.c b/board/amcc/acadia/cmd_acadia.c
new file mode 100644
index 0000000..fb7ea35
--- /dev/null
+++ b/board/amcc/acadia/cmd_acadia.c
@@ -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"
+ );
diff --git a/board/amcc/acadia/config.mk b/board/amcc/acadia/config.mk
index c8566ec..af5a46c 100644
--- a/board/amcc/acadia/config.mk
+++ b/board/amcc/acadia/config.mk
@@ -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
diff --git a/board/amcc/acadia/memory.c b/board/amcc/acadia/memory.c
index 5375d36..25904d3 100644
--- a/board/amcc/acadia/memory.c
+++ b/board/amcc/acadia/memory.c
@@ -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);
}
diff --git a/board/amcc/acadia/u-boot-nand.lds b/board/amcc/acadia/u-boot-nand.lds
new file mode 100644
index 0000000..a5dae0e
--- /dev/null
+++ b/board/amcc/acadia/u-boot-nand.lds
@@ -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 = .);
+}