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-rw-r--r--README17
-rw-r--r--common/usb_kbd.c4
-rw-r--r--doc/README.qemu_mips88
-rw-r--r--drivers/mtd/nand/nand_base.c2
-rw-r--r--include/configs/qemu-mips.h2
-rw-r--r--include/devices.h2
6 files changed, 103 insertions, 12 deletions
diff --git a/README b/README
index eb86eba..132650e 100644
--- a/README
+++ b/README
@@ -3740,7 +3740,7 @@ MPC826x processors), on others (parts of) the data cache can be
locked as (mis-) used as memory, etc.
Chris Hallinan posted a good summary of these issues to the
- u-boot-users mailing list:
+ U-Boot mailing list:
Subject: RE: [U-Boot-Users] RE: More On Memory Bank x (nothingness)?
From: "Chris Hallinan" <clh@net1plus.com>
@@ -3950,7 +3950,7 @@ int main (int argc, char *argv[])
Download latest U-Boot source;
- Subscribe to u-boot-users mailing list;
+ Subscribe to u-boot mailing list;
if (clueless) {
email ("Hi, I am new to U-Boot, how do I get started?");
@@ -4027,10 +4027,11 @@ Since the number of patches for U-Boot is growing, we need to
establish some rules. Submissions which do not conform to these rules
may be rejected, even when they contain important and valuable stuff.
-Patches shall be sent to the u-boot-users mailing list.
-
Please see http://www.denx.de/wiki/U-Boot/Patches for details.
+Patches shall be sent to the u-boot mailing list <u-boot@lists.denx.de>;
+see http://lists.denx.de/mailman/listinfo/u-boot
+
When you send a patch, please include the following information with
it:
@@ -4093,7 +4094,7 @@ Notes:
disabled must not need more memory than the old code without your
modification.
-* Remember that there is a size limit of 40 kB per message on the
- u-boot-users mailing list. Bigger patches will be moderated. If
- they are reasonable and not bigger than 100 kB, they will be
- acknowledged. Even bigger patches should be avoided.
+* Remember that there is a size limit of 100 kB per message on the
+ u-boot mailing list. Bigger patches will be moderated. If they are
+ reasonable and not too big, they will be acknowledged. But patches
+ bigger than the size limit should be avoided.
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index cf14560..89e6ee7 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -211,7 +211,11 @@ int drv_usb_kbd_init(void)
/* deregistering the keyboard */
int usb_kbd_deregister(void)
{
+#ifdef CONFIG_SYS_DEVICE_DEREGISTER
return device_deregister(DEVNAME);
+#else
+ return 1;
+#endif
}
/**************************************************************************
diff --git a/doc/README.qemu_mips b/doc/README.qemu_mips
index 2fdd2b0..3985264 100644
--- a/doc/README.qemu_mips
+++ b/doc/README.qemu_mips
@@ -17,19 +17,103 @@ create image:
start it:
# qemu-system-mips -M mips -pflash flash -monitor null -nographic
+2) Download kernel + initrd
+
+On ftp://ftp.denx.de/pub/contrib/Jean-Christophe_Plagniol-Villard/qemu_mips/
+you can downland
+
+#config to build the kernel
+qemu_mips_defconfig
+#patch to fix mips interupt init on 2.6.24.y kernel
+qemu_mips_kernel.patch
+initrd.gz
+vmlinux
+vmlinux.bin
+System.map
+
+4) Generate uImage
+
+# tools/mkimage -A mips -O linux -T kernel -C gzip -a 0x80010000 -e 0x80245650 -n "Linux 2.6.24.y" -d vmlinux.bin.gz uImage
+
+5) Copy uImage to Flash
+# dd if=uImage bs=1k conv=notrunc seek=224 of=flash
+
+6) Generate Ide Disk
+
+# dd of=ide bs=1k cout=100k if=/dev/zero
+
+# sfdisk -C 261 -d ide
+# partition table of ide
+unit: sectors
+
+ ide1 : start= 63, size= 32067, Id=83
+ ide2 : start= 32130, size= 32130, Id=83
+ ide3 : start= 64260, size= 4128705, Id=83
+ ide4 : start= 0, size= 0, Id= 0
+
+7) Copy to ide
+
+# dd if=uImage bs=512 conv=notrunc seek=63 of=ide
+
+8) Generate ext2 on part 2 on Copy uImage and initrd.gz
+
+# Attached as loop device ide offset = 32130 * 512
+# losetup -o 16450560 -f ide
+# Format as ext2 ( arg2 : nb blocks)
+# mke2fs /dev/loop0 16065
+# losetup -d /dev/loop0
+# Mount and copy uImage and initrd.gz to it
+# mount -o loop,offset=16450560 -t ext2 ide /mnt
+# mkdir /mnt/boot
+# cp {initrd.gz,uImage} /mnt/boot/
+# Umount it
+# umount /mnt
+
+9) Set Environment
+
+setenv rd_start 0x80800000
+setenv rd_size 2663940
+setenv kernel BFC38000
+setenv oad_addr 80500000
+setenv load_addr2 80F00000
+setenv kernel_flash BFC38000
+setenv load_addr_hello 80200000
+setenv bootargs 'root=/dev/ram0 init=/bin/sh'
+setenv load_rd_ext2 'ide res; ext2load ide 0:2 ${rd_start} /boot/initrd.gz'
+setenv load_rd_tftp 'tftp ${rd_start} /initrd.gz'
+setenv load_kernel_hda 'ide res; diskboot ${load_addr} 0:2'
+setenv load_kernel_ext2 'ide res; ext2load ide 0:2 ${load_addr} /boot/uImage'
+setenv load_kernel_tftp 'tftp ${load_addr} /qemu_mips/uImage'
+setenv boot_ext2_ext2 'run load_rd_ext2; run load_kernel_ext2; run addmisc; bootm ${load_addr}'
+setenv boot_ext2_flash 'run load_rd_ext2; run addmisc; bootm ${kernel_flash}'
+setenv boot_ext2_hda 'run load_rd_ext2; run load_kernel_hda; run addmisc; bootm ${load_addr}'
+setenv boot_ext2_tftp 'run load_rd_ext2; run load_kernel_tftp; run addmisc; bootm ${load_addr}'
+setenv boot_tftp_hda 'run load_rd_tftp; run load_kernel_hda; run addmisc; bootm ${load_addr}'
+setenv boot_tftp_ext2 'run load_rd_tftp; run load_kernel_ext2; run addmisc; bootm ${load_addr}'
+setenv boot_tftp_flash 'run load_rd_tftp; run addmisc; bootm ${kernel_flash}'
+setenv boot_tftp_tftp 'run load_rd_tftp; run load_kernel_tftp; run addmisc; bootm ${load_addr}'
+setenv load_hello_tftp 'tftp ${load_addr_hello} /examples/hello_world.bin'
+setenv go_tftp 'run load_hello_tftp; go ${load_addr_hello}'
+setenv addmisc 'setenv bootargs ${bootargs} console=ttyS0,${baudrate} rd_start=${rd_start} rd_size=${rd_size} ethaddr=${ethaddr}'
+setenv bootcmd 'run boot_tftp_flash'
+
+10) Now you can boot from flash, ide, ide+ext2 and tfp
+
+# qemu-system-mips -M mips -pflash flash -monitor null -nographic -net nic -net user -tftp `pwd` -hda ide
+
II) How to debug U-Boot
In order to debug U-Boot you need to start qemu with gdb server support (-s)
and waiting the connection to start the CPU (-S)
-# qemu-system-mips -S -s -M mips -pflash flash -monitor null -nographic
+# qemu-system-mips -S -s -M mips -pflash flash -monitor null -nographic -net nic -net user -tftp `pwd` -hda ide
in an other console you start gdb
1) Debugging of U-Boot Before Relocation
Before relocation, the addresses in the ELF file can be used without any problems
-buy connecting to the gdb server localhost:1234
+by connecting to the gdb server localhost:1234
# mipsel-unknown-linux-gnu-gdb u-boot
GNU gdb 6.6
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ba05b76..94a65d4 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -460,8 +460,8 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,
struct nand_chip *chip = mtd->priv;
if (!(chip->options & NAND_BBT_SCANNED)) {
- chip->scan_bbt(mtd);
chip->options |= NAND_BBT_SCANNED;
+ chip->scan_bbt(mtd);
}
if (!chip->bbt)
diff --git a/include/configs/qemu-mips.h b/include/configs/qemu-mips.h
index f028d1a..8444462 100644
--- a/include/configs/qemu-mips.h
+++ b/include/configs/qemu-mips.h
@@ -150,7 +150,7 @@
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
#define CONFIG_ENV_IS_IN_FLASH 1
-#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x40000)
+#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
/* Address and size of Primary Environment Sector */
#define CONFIG_ENV_SIZE 0x8000
diff --git a/include/devices.h b/include/devices.h
index 6b78d58..20ddfc4 100644
--- a/include/devices.h
+++ b/include/devices.h
@@ -91,7 +91,9 @@ extern char *stdio_names[MAX_FILES];
*/
int device_register (device_t * dev);
int devices_init (void);
+#ifdef CONFIG_SYS_DEVICE_DEREGISTER
int device_deregister(char *devname);
+#endif
struct list_head* device_get_list(void);
device_t* device_get_by_name(char* name);
device_t* device_clone(device_t *dev);