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@@ -19,7 +19,7 @@ stored ATAGs (see boot order).
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There is support for hardware watchdog. Hardware watchdog is started by
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NOLO so u-boot must kick watchdog to prevent reboot device (but not very
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often, max every 2 seconds). There is also support for framebuffer display
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-output with ANSI espace codes and the N900 HW keyboard input. USB tty works
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+output with ANSI escape codes and the N900 HW keyboard input. USB tty works
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but is disabled because it prevents the current Maemo kernel from booting.
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When U-Boot is starting it enable IBE bit in Auxiliary Control Register,
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@@ -36,7 +36,7 @@ Boot from SD or eMMC in this order:
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* 1.
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* 1.1 find boot.scr on first fat partition
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- * 1.2 find uImage on first fat parition
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+ * 1.2 find uImage on first fat partition
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* 1.3 same order for 2. - 4. fat partition
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* 2. same as 1. but for ext2/3 partition
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* 3. same as 1. but for ext4 partition
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@@ -62,21 +62,26 @@ Available additional commands/variables:
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* run trymmcscriptboot - Try to load and boot script ${mmcscriptfile}
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* run trymmckernboot - Try to load and boot kernel image ${mmckernfile}
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* run trymmckerninitrdboot - Try to load and boot kernel image ${mmckernfile}
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- with initrd image ${mmcinitrdfile}
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+ with initrd image ${mmcinitrdfile}
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Additional variables for loading files from mmc:
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* mmc ${mmcnum} (0 - external, 1 - internal)
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* partition number ${mmcpart} (1 - 4)
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- * parition type ${mmctype} (fat, ext2)
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+ * parition type ${mmctype} (fat, ext2, ext4)
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-Additional varuables for booting kernel:
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+Additional variables for booting kernel:
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* setup_omap_atag - Add OMAP table into atags structure (needs maemo kernel)
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* setup_console_atag - Enable serial console in OMAP table
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* setup_boot_reason_atag - Change boot reason in OMAP table
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* setup_boot_mode_atag - Change boot mode in OMAP table
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+ Variable setup_omap_atag is automatically set when booting attached kernel.
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+ When variable setup_omap_atag is set, variable setup_console_atag is unset
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+ and u-boot standard output is set to serial then setup_console_atag is
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+ automatically set to 1. So output from Maemo kernel would go to serial port.
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+
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USB TTY:
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Maemo kernel 2.6.28 will crash if u-boot enable usb tty. So USB TTY is disabled.
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@@ -85,20 +90,13 @@ USB TTY:
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#define CONFIG_USB_TTY
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-ONENAND support:
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-
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- ONENAND support is disabled because not working yet and cause linux kernel to
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- crash or no access to mtd. For enabling ONENAND support add this line at begin
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- of file include/configs/nokia_rx51.h
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-
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- #define ONENAND_SUPPORT
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-
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-
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UBIFS support:
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UBIFS support is disabled, because U-Boot image is too big and cannot be
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flashed with attached zImage to RX-51 kernel nand area. For enabling UBIFS
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- support first enable ONENAND support and then add this line at begin of file
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- include/configs/nokia_rx51.h
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+ support add following lines into file configs/nokia_rx51_defconfig
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- #define UBIFS_SUPPORT
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+ CONFIG_CMD_UBI=y
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+ CONFIG_CMD_UBIFS=y
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+ CONFIG_MTD_UBI_FASTMAP=y
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+ CONFIG_MTD_UBI_FASTMAP_AUTOCONVERT=1
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