[U-Boot] [PATCH 4/4 V2] PXA: Adapt Voipac PXA270 to OneNAND SPL
Marek Vasut
marek.vasut at gmail.com
Tue Nov 1 23:54:54 CET 2011
Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
Cc: Albert ARIBAUD <albert.u.boot at aribaud.net>
---
board/vpac270/Makefile | 4 ++
board/vpac270/onenand.c | 66 ++++++++++++++++++++++++++++
board/vpac270/u-boot-spl.lds | 97 ++++++++++++++++++++++++++++++++++++++++++
board/vpac270/vpac270.c | 2 +
include/configs/vpac270.h | 25 +++++++++--
5 files changed, 189 insertions(+), 5 deletions(-)
create mode 100644 board/vpac270/onenand.c
create mode 100644 board/vpac270/u-boot-spl.lds
V2: Add missing u-boot-spl.lds, convert bitshifts to division,
convert to spl_onenand_load_image()
diff --git a/board/vpac270/Makefile b/board/vpac270/Makefile
index b5c60fd..5967055 100644
--- a/board/vpac270/Makefile
+++ b/board/vpac270/Makefile
@@ -23,7 +23,11 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
+ifndef CONFIG_SPL_BUILD
COBJS := vpac270.o
+else
+COBJS := onenand.o
+endif
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/vpac270/onenand.c b/board/vpac270/onenand.c
new file mode 100644
index 0000000..5aea774
--- /dev/null
+++ b/board/vpac270/onenand.c
@@ -0,0 +1,66 @@
+/*
+ * Voipac PXA270 OneNAND SPL
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut at gmail.com>
+ *
+ * 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 <config.h>
+#include <asm/io.h>
+#include <onenand_uboot.h>
+
+extern void pxa_dram_init(void);
+
+inline void board_init_f(unsigned long unused)
+{
+ extern uint32_t _end;
+ uint32_t tmp;
+
+ asm volatile("mov %0, pc" : "=r"(tmp));
+ tmp >>= 24;
+
+ /* The code runs from OneNAND RAM, copy SPL to SRAM and execute it. */
+ if (tmp == 0) {
+ tmp = (uint32_t)&_end - CONFIG_SPL_TEXT_BASE;
+ spl_onenand_load_image(CONFIG_SPL_TEXT_BASE, 0, tmp);
+ asm volatile("mov pc, %0" : : "r"(CONFIG_SPL_TEXT_BASE));
+ }
+
+ /* Hereby, the code runs from (S)RAM, copy U-Boot and execute it. */
+ arch_cpu_init();
+ pxa_dram_init();
+ spl_onenand_load_image(CONFIG_SYS_TEXT_BASE,
+ CONFIG_SPL_ONENAND_LOAD_ADDR,
+ CONFIG_SPL_ONENAND_LOAD_SIZE);
+ asm volatile("mov pc, %0" : : "r"(CONFIG_SYS_TEXT_BASE));
+
+ for (;;)
+ ;
+}
+
+void __attribute__((noreturn)) hang(void)
+{
+ for (;;)
+ ;
+}
+
+void icache_disable(void) {}
+void dcache_disable(void) {}
diff --git a/board/vpac270/u-boot-spl.lds b/board/vpac270/u-boot-spl.lds
new file mode 100644
index 0000000..75acdcd
--- /dev/null
+++ b/board/vpac270/u-boot-spl.lds
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2011 Marek Vasut <marek.vasut at gmail.com>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj at 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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = CONFIG_SPL_TEXT_BASE;
+ .text.0 :
+ {
+ arch/arm/cpu/pxa/start.o (.text*)
+ board/vpac270/libvpac270.o (.text*)
+ drivers/mtd/onenand/libonenand.o (.text*)
+ }
+
+
+ /* Start of the rest of the SPL */
+ . = CONFIG_SPL_TEXT_BASE + 0x800;
+
+ .text.1 :
+ {
+ *(.text*)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+ . = ALIGN(4);
+ .data : {
+ *(.data)
+ }
+
+ . = ALIGN(4);
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+
+ .rel.dyn : {
+ __rel_dyn_start = .;
+ *(.rel*)
+ __rel_dyn_end = .;
+ }
+
+ .dynsym : {
+ __dynsym_start = .;
+ *(.dynsym)
+ }
+
+ . = ALIGN(0x800);
+
+ _end = .;
+
+ .bss __rel_dyn_start (OVERLAY) : {
+ __bss_start = .;
+ *(.bss)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ }
+
+ /DISCARD/ : { *(.bss*) }
+ /DISCARD/ : { *(.dynstr*) }
+ /DISCARD/ : { *(.dynsym*) }
+ /DISCARD/ : { *(.dynamic*) }
+ /DISCARD/ : { *(.hash*) }
+ /DISCARD/ : { *(.plt*) }
+ /DISCARD/ : { *(.interp*) }
+ /DISCARD/ : { *(.gnu*) }
+}
diff --git a/board/vpac270/vpac270.c b/board/vpac270/vpac270.c
index cf8e7b6..d90a859 100644
--- a/board/vpac270/vpac270.c
+++ b/board/vpac270/vpac270.c
@@ -57,7 +57,9 @@ struct serial_device *default_serial_console(void)
extern void pxa_dram_init(void);
int dram_init(void)
{
+#ifndef CONFIG_ONENAND
pxa_dram_init();
+#endif
gd->ram_size = PHYS_SDRAM_1_SIZE;
return 0;
}
diff --git a/include/configs/vpac270.h b/include/configs/vpac270.h
index dd68c66..8accebf 100644
--- a/include/configs/vpac270.h
+++ b/include/configs/vpac270.h
@@ -27,7 +27,17 @@
*/
#define CONFIG_PXA27X 1 /* Marvell PXA270 CPU */
#define CONFIG_VPAC270 1 /* Voipac PXA270 board */
-#define CONFIG_SYS_TEXT_BASE 0x0
+#define CONFIG_SYS_TEXT_BASE 0xa0000000
+
+#ifdef CONFIG_ONENAND
+#define CONFIG_SPL
+#define CONFIG_SPL_ONENAND_SUPPORT
+#define CONFIG_SPL_ONENAND_LOAD_ADDR 0x2000
+#define CONFIG_SPL_ONENAND_LOAD_SIZE \
+ (512 * 1024 - CONFIG_SPL_ONENAND_LOAD_ADDR)
+#define CONFIG_SPL_TEXT_BASE 0x5c000000
+#define CONFIG_SPL_LDSCRIPT "board/vpac270/u-boot-spl.lds"
+#endif
/*
* Environment settings
@@ -46,12 +56,19 @@
"bootm 0xa4000000; " \
"fi; " \
"bootm 0x60000;"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "update_onenand=" \
+ "onenand erase 0x0 0x80000 ; " \
+ "onenand write 0xa0000000 0x0 0x80000"
+
#define CONFIG_BOOTARGS "console=tty0 console=ttyS0,115200"
#define CONFIG_TIMESTAMP
#define CONFIG_BOOTDELAY 2 /* Autoboot delay */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_LZMA /* LZMA compression support */
+#define CONFIG_OF_LIBFDT
/*
* Serial Console Configuration
@@ -180,16 +197,14 @@
#define CONFIG_SYS_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */
#define CONFIG_SYS_LOAD_ADDR PHYS_SDRAM_1
-#define CONFIG_SYS_IPL_LOAD_ADDR (0x5c000000)
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
-#define CONFIG_SYS_INIT_SP_ADDR \
- (PHYS_SDRAM_1 + GENERATED_GBL_DATA_SIZE + 2048)
+#define CONFIG_SYS_INIT_SP_ADDR 0x5c010000
/*
* NOR FLASH
*/
#define CONFIG_SYS_MONITOR_BASE 0x0
-#define CONFIG_SYS_MONITOR_LEN 0x40000
+#define CONFIG_SYS_MONITOR_LEN 0x80000
#define CONFIG_ENV_ADDR \
(CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
#define CONFIG_ENV_SIZE 0x4000
--
1.7.6.3
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