u-boot: import OpenMoko uboot from OE

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3014 311d38ba-8fff-0310-9ca6-ca027cbcb966

63 files changed, 26669 insertions, 77 deletions

diff --git a/meta/packages/uboot/u-boot-mkimage-gta01-native_svn.bb b/meta/packages/uboot/u-boot-mkimage-gta01-native_svn.bb
deleted file mode 100644
index 7c10d653bc..0000000000
--- a/meta/packages/uboot/u-boot-mkimage-gta01-native_svn.bb
+++ /dev/null
@@ -1,18 +0,0 @@
-require uboot-gta01_svn.bb
-
-PROVIDES = ""
-TARGET_LDFLAGS = ""
-
-do_compile () {
-	chmod +x board/neo1973/gta01/split_by_variant.sh
-	oe_runmake gta01bv3_config
-	oe_runmake clean
-	oe_runmake tools
-}
-
-do_deploy () {
-	install -m 0755 tools/mkimage ${STAGING_BINDIR_NATIVE}/uboot-mkimage
-}
-
-do_deploy[dirs] = "${S}"
-addtask deploy before do_package after do_install
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch
new file mode 100644
index 0000000000..d7a2a872e5
--- /dev/null
+++ b/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-create-optional.patch
@@ -0,0 +1,52 @@
+This patch makes creation of the BBT optional for the s3c24x0 platform.
+It adds:
+
+- a new platform-independent NAND-wide flag NAND_DONT_CREATE_BBT
+- one user of this flag, namely s3c24x0
+
+Experimental.
+
+- Werner Almesberger <werner@openmoko.org>
+
+
+Index: u-boot/cpu/arm920t/s3c24x0/nand.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/nand.c	2007-02-16 23:53:29.000000000 +0100
++++ u-boot/cpu/arm920t/s3c24x0/nand.c	2007-02-16 23:53:54.000000000 +0100
+@@ -169,7 +169,7 @@
+ 
+ 	nand->eccmode = NAND_ECC_SOFT;
+ #ifdef CONFIG_S3C2410_NAND_BBT
+-	nand->options = NAND_USE_FLASH_BBT;
++	nand->options = NAND_USE_FLASH_BBT | NAND_DONT_CREATE_BBT;
+ #else
+ 	nand->options = 0;
+ #endif
+Index: u-boot/drivers/nand/nand_bbt.c
+===================================================================
+--- u-boot.orig/drivers/nand/nand_bbt.c	2007-02-16 23:53:36.000000000 +0100
++++ u-boot/drivers/nand/nand_bbt.c	2007-02-16 23:53:54.000000000 +0100
+@@ -678,7 +678,8 @@
+ 		}
+ create:
+ 		/* Create the bad block table by scanning the device ? */
+-		if (!(td->options & NAND_BBT_CREATE))
++		if (!(td->options & NAND_BBT_CREATE) ||
++		  (this->options & NAND_DONT_CREATE_BBT))
+ 			continue;
+ 
+ 		/* Create the table in memory by scanning the chip(s) */
+Index: u-boot/include/linux/mtd/nand.h
+===================================================================
+--- u-boot.orig/include/linux/mtd/nand.h	2007-02-16 23:53:08.000000000 +0100
++++ u-boot/include/linux/mtd/nand.h	2007-02-16 23:53:54.000000000 +0100
+@@ -187,7 +187,8 @@
+  * This can only work if we have the ecc bytes directly behind the
+  * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */
+ #define NAND_HWECC_SYNDROME	0x00020000
+-
++/* Do not create an BBT if none is found. Overrides NAND_BBT_CREATE. */
++#define NAND_DONT_CREATE_BBT	0x00040000
+ 
+ /* Options set by nand scan */
+ /* Nand scan has allocated oob_buf */
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch
new file mode 100644
index 0000000000..37b2807908
--- /dev/null
+++ b/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch
@@ -0,0 +1,69 @@
+Scan also the second OOB page for bad block information.
+
+board/neo1973/gta01/nand.c (board_nand_init): added board-specific badblock
+  pattern which sets NAND_BBT_SCAN2NDPAGE
+drivers/nand/nand_base.c (nand_block_bad): also consider the second page in a
+  block if NAND_BBT_SCAN2NDPAGE is set
+
+- Werner Almesberger <werner@openmoko.org>
+
+Index: u-boot/board/neo1973/gta01/nand.c
+===================================================================
+--- u-boot.orig/board/neo1973/gta01/nand.c
++++ u-boot/board/neo1973/gta01/nand.c
+@@ -113,9 +113,23 @@
+ }
+ 
+ 
++/* Derived from drivers/nand/nand_bbt.c:smallpage_flashbased */
++
++static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
++
++static struct nand_bbt_descr badblock_pattern = {
++	.options =
++	    NAND_BBT_SCANEMPTY | NAND_BBT_SCANALLPAGES | NAND_BBT_SCAN2NDPAGE,
++	.offs = 5,
++	.len = 1,
++	.pattern = scan_ff_pattern
++};
++
++
+ int board_nand_init(struct nand_chip *nand)
+ {
+ 	nand->read_otp = samsung_nand_read_otp;
+ 	nand->write_otp = samsung_nand_write_otp;
++	nand->badblock_pattern = &badblock_pattern;
+ 	return s3c24x0_nand_init(nand);
+ }
+Index: u-boot/drivers/nand/nand_base.c
+===================================================================
+--- u-boot.orig/drivers/nand/nand_base.c
++++ u-boot/drivers/nand/nand_base.c
+@@ -421,7 +421,7 @@
+  *
+  * Check, if the block is bad.
+  */
+-static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
++static int nand_block_bad_page(struct mtd_info *mtd, loff_t ofs, int getchip)
+ {
+ 	int page, chipnr, res = 0;
+ 	struct nand_chip *this = mtd->priv;
+@@ -460,6 +460,18 @@
+ 	return res;
+ }
+ 
++static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
++{
++	struct nand_chip *this = mtd->priv;
++
++	if (nand_block_bad_page(mtd, ofs, getchip))
++		return 1;
++	if (this->badblock_pattern->options & NAND_BBT_SCAN2NDPAGE &&
++	    nand_block_bad_page(mtd, ofs+(1 << this->page_shift), getchip))
++		return 1;
++	return 0;
++}
++
+ /**
+  * nand_default_block_markbad - [DEFAULT] mark a block bad
+  * @mtd:	MTD device structure
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch
new file mode 100644
index 0000000000..fa0de39ab7
--- /dev/null
+++ b/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-and-nand.patch
@@ -0,0 +1,98 @@
+Auto-detect whether we're booting from RAM or NAND, and act accordingly. This
+allows us to use the same u-boot binary for all boot modes.
+
+include/configs/neo1973.h: introduced new config option
+  CONFIG_LL_INIT_NAND_ONLY to perform low-level initialization only when
+  booting from NAND
+include/configs/neo1973.h: got rid of BUILD_FOR_RAM
+cpu/arm920t/start.S: detect if we need to boot from NAND at run time (i.e., if
+  we're running at address 0)
+
+- Werner Almesberger <werner@openmoko.org>
+
+Index: u-boot/cpu/arm920t/start.S
+===================================================================
+--- u-boot.orig/cpu/arm920t/start.S
++++ u-boot/cpu/arm920t/start.S
+@@ -157,18 +157,26 @@
+ 	str	r1, [r0]
+ #endif	/* CONFIG_S3C2400 || CONFIG_S3C2410 */
+ 
+-	/*
+-	 * we do sys-critical inits only at reboot,
+-	 * not when booting from ram!
+-	 */
+ #ifndef CONFIG_SKIP_LOWLEVEL_INIT
++#ifndef CONFIG_LL_INIT_NAND_ONLY
+ 	bl	cpu_init_crit
+ #endif
++#endif
+ 
+ #ifndef CONFIG_SKIP_RELOCATE_UBOOT
+-#ifndef CONFIG_S3C2410_NAND_BOOT
+-relocate:				/* relocate U-Boot to RAM	    */
+ 	adr	r0, _start		/* r0 <- current position of code   */
++
++#ifdef CONFIG_S3C2410_NAND_BOOT
++					/* are we running from NAND ?	    */
++#define	BWSCON	0x48000000
++	ldr	r1, =BWSCON		/* Z = CPU booted from NAND	    */
++	ldr	r1, [r1]
++	tst	r1, #6			/* BWSCON[2:1] = OM[1:0]	    */
++	teqeq	r0, #0			/* Z &= running at address 0	    */
++	beq	nand_load
++#endif /* CONFIG_S3C2410_NAND_BOOT */
++
++relocate:				/* relocate U-Boot to RAM	    */
+ 	ldr	r1, _TEXT_BASE		/* test if we run from flash or RAM */
+ 	cmp     r0, r1                  /* don't reloc during debug         */
+ 	beq     done_relocate
+@@ -188,10 +196,13 @@
+ 	ldr	pc, _done_relocate	/* jump to relocated code */
+ _done_relocate:
+ 	.word	done_relocate
+-done_relocate:
+-#else /* NAND_BOOT */
+-relocate:
+-copy_myself:
++
++#ifdef CONFIG_S3C2410_NAND_BOOT
++nand_load:
++#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && defined(CONFIG_LL_INIT_NAND_ONLY)
++	bl	cpu_init_crit
++#endif
++
+ 	/* mov	r10, lr */
+ 
+ 	@ reset NAND
+@@ -275,7 +286,8 @@
+ #endif
+ 1:	b	1b
+ done_nand_read:
+-#endif /* NAND_BOOT */
++#endif /* CONFIG_S3C2410_NAND_BOOT */
++done_relocate:
+ #endif /* CONFIG_SKIP_RELOCATE_UBOOT */
+ 
+ 	/* Set up the stack						    */
+Index: u-boot/include/configs/neo1973_gta01.h
+===================================================================
+--- u-boot.orig/include/configs/neo1973_gta01.h
++++ u-boot/include/configs/neo1973_gta01.h
+@@ -26,14 +26,10 @@
+ #ifndef __CONFIG_H
+ #define __CONFIG_H
+ 
+-#if defined(BUILD_FOR_RAM)
+-/* If we want to start u-boot from inside RAM */
+-#define CONFIG_SKIP_LOWLEVEL_INIT	1
+-#else
+-/* we want to start u-boot directly from within NAND flash */
++/* we want to be able to start u-boot directly from within NAND flash */
++#define CONFIG_LL_INIT_NAND_ONLY
+ #define CONFIG_S3C2410_NAND_BOOT	1
+ #define CONFIG_S3C2410_NAND_SKIP_BAD	1
+-#endif
+ 
+ #define CFG_UBOOT_SIZE		0x40000 /* size of u-boot, for NAND loading */
+ 
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch
new file mode 100644
index 0000000000..53a3e05c67
--- /dev/null
+++ b/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-from-ram-reloc.patch
@@ -0,0 +1,62 @@
+This patch allows us to boot from anywhere in RAM. It mainly sets the stage
+for later patches. The only real changes here is the better handling of already
+cached code (e.g., if we were started by a previous instance of u-boot), and
+that we drop CONFIG_SKIP_RELOCATE_UBOOT from neo1973.h
+
+cpu/arm920t/start.S: if not relocating, instead of going straight to
+  stack_setup, jump to done_relocate, which may perform other setup tasks
+cpu/arm920t/start.S: after relocating, flush the cache and jump to the new code
+include/configs/neo1973.h: remove CONFIG_SKIP_RELOCATE_UBOOT
+
+- Werner Almesberger <werner@openmoko.org>
+
+Index: u-boot/cpu/arm920t/start.S
+===================================================================
+--- u-boot.orig/cpu/arm920t/start.S
++++ u-boot/cpu/arm920t/start.S
+@@ -171,7 +171,7 @@ relocate:				/* relocate U-Boot to RAM	 
+ 	adr	r0, _start		/* r0 <- current position of code   */
+ 	ldr	r1, _TEXT_BASE		/* test if we run from flash or RAM */
+ 	cmp     r0, r1                  /* don't reloc during debug         */
+-	beq     stack_setup
++	beq     done_relocate
+ 
+ 	ldr	r2, _armboot_start
+ 	ldr	r3, _bss_start
+@@ -181,8 +181,14 @@ relocate:				/* relocate U-Boot to RAM	 
+ copy_loop:
+ 	ldmia	r0!, {r3-r10}		/* copy from source address [r0]    */
+ 	stmia	r1!, {r3-r10}		/* copy to   target address [r1]    */
+-	cmp	r0, r2			/* until source end addreee [r2]    */
++	cmp	r0, r2			/* until source end address [r2]    */
+ 	ble	copy_loop
++	mov	r0, #0			/* flush v3/v4 cache */
++	mcr	p15, 0, r0, c7, c7, 0
++	ldr	pc, _done_relocate	/* jump to relocated code */
++_done_relocate:
++	.word	done_relocate
++done_relocate:
+ #else /* NAND_BOOT */
+ relocate:
+ copy_myself:
+@@ -270,7 +276,7 @@ notmatch:
+ 1:	b	1b
+ done_nand_read:
+ #endif /* NAND_BOOT */
+-#endif	/* CONFIG_SKIP_RELOCATE_UBOOT */
++#endif /* CONFIG_SKIP_RELOCATE_UBOOT */
+ 
+ 	/* Set up the stack						    */
+ stack_setup:
+Index: u-boot/include/configs/neo1973_gta01.h
+===================================================================
+--- u-boot.orig/include/configs/neo1973_gta01.h
++++ u-boot/include/configs/neo1973_gta01.h
+@@ -28,7 +28,6 @@
+ 
+ #if defined(BUILD_FOR_RAM)
+ /* If we want to start u-boot from inside RAM */
+-#define CONFIG_SKIP_RELOCATE_UBOOT	1
+ #define CONFIG_SKIP_LOWLEVEL_INIT	1
+ #else
+ /* we want to start u-boot directly from within NAND flash */
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-menu.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-menu.patch
new file mode 100644
index 0000000000..352967ae06
--- /dev/null
+++ b/meta/packages/uboot/u-boot-mkimage-openmoko-native/boot-menu.patch
@@ -0,0 +1,769 @@
+board/neo1973/bootmenu.c: simple configurable boot menu
+board/neo1973/neo1973.c (neo1973_new_second): return 1 if a new second has
+  started since the last call
+board/neo1973/neo1973.c (neo1973_on_key_pressed): return 1 if the $POWER key is
+  pressed
+board/neo1973/neo1973.c (board_late_init): make use of neo1973_new_second and
+  neo1973_on_key_pressed
+board/neo1973/neo1973.h: added function prototypes
+u-boot/board/neo1973/neo1973.c (board_late_init): enter the boot menu when 
+  "AUX" was pressed at least half the time
+u-boot/board/neo1973/neo1973.c (board_late_init): minor code cleanup
+u-boot/common/console.c, include/console.h: added "console_poll_hook" to be
+  called when waiting for console in put in "getc" and "tstc"
+board/neo1973/neo1973.c (board_late_init): poll for the boot menu also on RAM
+  boot, reset, or unknown cause
+board/neo1973/neo1973.c (board_late_init): don't look for the power key if
+  woken up by the charger
+board/neo1973/neo1973.h, board/neo1973/neo1973.c, board/neo1973/bootmenu.c:
+  renamed neo1973_911_key_pressed to neo1973_aux_key_pressed
+
+- Werner Almesberger <werner@openmoko.org>
+
+Index: u-boot/board/neo1973/common/bootmenu.c
+===================================================================
+--- /dev/null
++++ u-boot/board/neo1973/common/bootmenu.c
+@@ -0,0 +1,120 @@
++/*
++ * bootmenu.c - Boot menu
++ *
++ * Copyright (C) 2006-2007 by OpenMoko, Inc.
++ * Written by Werner Almesberger <werner@openmoko.org>
++ * All Rights Reserved
++ *
++ * 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.,
++ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
++ */
++
++
++#include <common.h>
++#include <environment.h>
++#include <bootmenu.h>
++#include <asm/atomic.h>
++
++#ifdef CONFIG_USBD_DFU
++#include "usbdcore.h"
++#include "usb_dfu.h"
++#endif
++
++#include "neo1973.h"
++
++
++#define DEBOUNCE_LOOPS		1000	/* wild guess */
++
++
++static int debounce(int (*fn)(void), int *last)
++{
++	int on, i;
++
++again:
++	on = fn();
++	if (on != *last)
++		for (i = DEBOUNCE_LOOPS; i; i--)
++			if (on != fn())
++				goto again;
++	*last = on;
++	return on;
++}
++
++
++static int aux_key(void *user)
++{
++	static int last_aux = -1;
++
++	return debounce(neo1973_aux_key_pressed, &last_aux);
++}
++
++
++static int on_key(void *user)
++{
++	static int last_on = -1;
++
++	return debounce(neo1973_on_key_pressed, &last_on);
++}
++
++
++static void factory_reset(void *user)
++{
++	default_env();
++	run_command("dynpart", 0);
++	run_command("bootd", 0);
++}
++
++
++static int seconds(void *user)
++{
++	return neo1973_new_second();
++}
++
++
++static int system_idle(void)
++{
++#ifdef  CONFIG_USBD_DFU