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* fdt: Remove fdtdec_find_alias_node() functionSimon Glass2012-11-12-23/+1
| | | | | | | This function is not needed, since fdt_path_offset() performs the same service. Remove it. Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Set kernaddr if fdt indicates a kernel is presentSimon Glass2012-11-12-0/+16
| | | | | | | | | | | | | | | | | | | | | If kernel-offset is specified in the fdt, set an environment variable so that scripts can access the attached kernel. This can be used by a packaging program to tell U-Boot about a kernel that has been downloaded alongside U-Boot. The value in the fdt is the offset of the kernel from the start of the U-Boot image, so we can find it just by adding CONFIG_SYS_TEXT_BASE. It is then fairly easy to put something like this in the environment variables in the board header file: "if test ${kernaddr} != \"\"; then "\ "echo \"Using bundled kernel\"; "\ "bootm ${kernaddr};" \ "fi; "\ /* rest of boot sequence follows here */ Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add option to default to most compatible conf in a fit imageGabe Black2012-11-12-0/+150
| | | | | | | | | | | | | | | | | | | | When booting a fit image with multiple configurations, the user either has to specify which configuration to use explicitly, or there has to be a default defined which is chosen automatically. This change adds an option to change that behavior so that a configuration can be selected explicitly, or the configuration which has the device tree that claims to be compatible with the earliest item in U-Boot's device tree. In other words, if U-Boot claimed to be compatible with A, B, and then C, and the configurations claimed to be compatible with A, D and B, D and D, E, the first configuration, A, D, would be chosen. Both the first and second configurations match, but the first one matches a more specific entry in U-Boot's device tree. The order in the kernel's device tree is ignored. Signed-off-by: Gabe Black <gabeblack@google.com> Commit-Ready: Gabe Black <gabeblack@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Allow device tree to specify secure bootingDoug Anderson2012-11-12-0/+62
| | | | | | | | | | | | | When secure booting is chosen: * The u-boot shell is never invoked during boot--we just do a simple table lookup to find the command. This means we could even remove the shell parsing from u-boot and still be able to boot. * The boot command can't be interruped. * Failure doesn't cause us to fall back to the shell. Signed-off-by: Gabe Black <gabeblack@google.com> Signed-off-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Tell the FDT library where the device tree isGabe Black2012-11-12-0/+8
| | | | | | | | | | | This change adds a call to set_working_fdt_addr near the end of u-boot initialization which tells the fdt command/library where the device tree is. This makes it possible to use the fdt command to look at the active device tree since otherwise there would be no way to know what address it was at to set things up manually. Signed-off-by: Gabe Black <gabeblack@google.com> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Load boot command from device treeChe-Liang Chiou2012-11-12-1/+15
| | | | | | | | Load boot command from /config/bootcmd of device tree if present. Signed-off-by: Tom Wai-Hong Tam <waihong@chromium.org> Signed-off-by: Che-Liang Chiou <clchiou@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add polarity-aware gpio functions to fdtdecSean Paul2012-11-12-0/+36
| | | | | | | | Add get and set gpio functions to fdtdec that take into account the polarity field in fdtdec_gpio_state.flags. Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add fdtdec_get_uint64 to decode a 64-bit value from a propertyChe-Liang Chiou2012-11-12-0/+28
| | | | | | | | It decodes a 64-bit value from a property that is at least 8 bytes long. Signed-off-by: Che-Liang Chiou <clchiou@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add function to read boolean propertyGabe Black2012-11-12-0/+24
| | | | | | | | Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Commit-Ready: Vincent Palatin <vpalatin@chromium.org> Commit-Ready: Gabe Black <gabeblack@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Export fdtdec_lookup() and fix the nameGerald Van Baren2012-11-12-1/+14
| | | | | | | The name of this function is not consistent, so fix it, and export the function for external use. Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add function for decoding multiple gpios globally availableAbhilash Kesavan2012-11-12-3/+18
| | | | | | | | | | Samsung's SDHCI bindings require multiple gpios to be parsed and configured at a time. Export the already available fdtdec_decode_gpios for this purpose. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Commit-Ready: Che-Liang Chiou <clchiou@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add fdtdec_decode_region() to decode memory regionSimon Glass2012-11-12-0/+36
| | | | | | | | A memory region has a start and a size and is often specified in a node by a 'reg' property. Add a function to decode this information from the fdt. Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add function to get a config string from device treeSimon Glass2012-11-12-10/+28
| | | | | | | Add a function to look up a configuration string such as board name and returns its value. We look in the "/config" node for this. Signed-off-by: Simon Glass <sjg@chromium.org>
* fdt: Add function to get config int from device treeAbhilash Kesavan2012-11-12-0/+35
| | | | | | | | | | | Add a function to look up a configuration item such as machine id and return its value. Note: The code has been taken as is from the Chromium u-boot development tree and needs Simon Glass' sign-off. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Signed-off-by: Simon Glass <sjg@chromium.org>
* Merge branch 'master' of git://www.denx.de/git/u-boot-microblazeTom Rini2012-11-09-37/+14
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| * microblaze: Fix compilation failure because of missing libdtsMichal Simek2012-11-08-0/+2
| | | | | | | | | | | | | | | | | | | | Microblaze platform can use CONFIG_OF_EMBED option but also it is necessary to support boards which don't want to use this option. U-Boot doesn't compile dts/libdts.o for #undef CONFIG_OF_EMBED case that's why it should be guarded by ifdef. Signed-off-by: Michal Simek <monstr@monstr.eu>
| * microblaze: Remove asm/bitops.h from asm/posix_types.hMichal Simek2012-11-07-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch "include/linux/byteorder: import latest endian definitions from linux" (sha1: eef1cf2d5cf1cae5fb76713e912263dedf110aeb) Introduced a lot of compilation failures with unknow types. include/linux/byteorder/big_endian.h:45:1: error: unknown type name '__le64' include/linux/byteorder/big_endian.h: In function '__cpu_to_le64p': include/linux/byteorder/big_endian.h:47:18: error: '__le64' undeclared (first use in this function) include/linux/byteorder/big_endian.h:47:18: note: each undeclared identifier is reported only once for each function it appears in include/linux/byteorder/big_endian.h:47:25: error: expected ';' before '__swab64p' include/linux/byteorder/big_endian.h: At top level: include/linux/byteorder/big_endian.h:49:1: error: unknown type name '__le64' include/linux/byteorder/big_endian.h:53:1: error: unknown type name '__le32' include/linux/byteorder/big_endian.h: In function '__cpu_to_le32p': include/linux/byteorder/big_endian.h:55:18: error: '__le32' undeclared (first use in this function) include/linux/byteorder/big_endian.h:55:25: error: expected ';' before '__swab32p' include/linux/byteorder/big_endian.h: At top level: include/linux/byteorder/big_endian.h:57:1: error: unknown type name '__le32' include/linux/byteorder/big_endian.h:61:1: error: unknown type name '__le16' ... Removing asm/bitops.h solved this problem. Signed-off-by: Michal Simek <monstr@monstr.eu>
| * microblaze: Flush caches before enabling themMichal Simek2012-11-07-10/+10
| | | | | | | | | | | | | | | | Flushing caches is necessary because of soft reset which doesn't clear caches. Signed-off-by: Michal Simek <monstr@monstr.eu> Reviewed-by: Marek Vasut <marex@denx.de>
| * microblaze: Fix byteorder for microblazeMichal Simek2012-11-07-23/+0
| | | | | | | | | | | | | | | | Just remove ancient code. Signed-off-by: Michal Simek <monstr@monstr.eu> Acked-by: Stephan Linz <linz@li-pro.net> Reviewed-by: Marek Vasut <marex@denx.de>
| * microblaze: Fix compilation warning in ext2_find_next_zero_bitMichal Simek2012-11-07-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | ext2_find_next_zero_bit must be also static if __swab32 is also static. Warning: include/asm/bitops.h:369:22: warning: '__fswab32' is static but used in inline function 'ext2_find_next_zero_bit' which is not static [enabled by default] Signed-off-by: Michal Simek <monstr@monstr.eu> Acked-by: Stephan Linz <linz@li-pro.net>
* | common/command.c: revert changes from commit 199adb60Anatolij Gustschin2012-11-08-8/+1
|/ | | | | | | | | | | | | | | commit 199adb601ff34bdbbd0667fac80dfe0a87bffc2b "common/misc: sparse fixes" broke the help command trying to fix the sparse error "command.c:44:38: error: bad constant expression". As Henrik points out, the fix was bad because the commit used CONFIG_SYS_MAXARGS whereas the code intended to use the maximum number of commands (not arguments to a command). Revert command.c changes to the original code as asked by Wolfgang. Reported-by: Henrik Nordström <henrik@henriknordstrom.net> Signed-off-by: Anatolij Gustschin <agust@denx.de>
* Merge branch 'master' of git://git.denx.de/u-boot-avr32Tom Rini2012-11-05-9/+0
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| * avr32: allow multi block mmc access for all boardsAndreas Bießmann2012-11-02-9/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 1db7377a70a8d931c32648e717695133120d5456 fixes the gen_atmel_mci driver to be able to use multi block access for avr32. Therefore remove the setting which forces single block access. This also adds a huge performace gain for mmc access: ---8<--- Loading file "/boot/uImage" from mmc device 0:1 1830666 bytes read in 1293 ms (1.3 MiB/s) --->8--- vs. ---8<--- Loading file "/boot/uImage" from mmc device 0:1 1830666 bytes read in 237 ms (7.4 MiB/s) --->8--- Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com> Cc: haavard.skinnemoen@atmel.com Cc: hans-christian.egtvedt@atmel.com Cc: mpfj@mimc.co.uk Cc: alex.raimondi@miromico.ch Cc: julien.may@miromico.ch Cc: egtvedt@samfundet.no Cc: havard@skinnemoen.net
* | Merge branch 'master' of git://git.denx.de/u-boot-armTom Rini2012-11-05-639/+5732
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| * | socfpga/spl: Remove malloc.hVikram Narayanan2012-11-04-1/+0
| | | | | | | | | | | | | | | | | | Remove unused header Signed-off-by: Vikram Narayanan <vikram186@gmail.com>
| * | socfpga/spl: Remove timer_init from spl_board_initVikram Narayanan2012-11-04-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | Timer is initialized already in board_init_r function in (common/spl/spl.c) No need to initialize it again Signed-off-by: Vikram Narayanan <vikram186@gmail.com> Cc: Dinh Nguyen <dinguyen@altera.com>
| * | arm: atmel: cpux9k2: add missing cache configsJens Scharsig (BuS Elektronik)2012-11-04-1/+4
| | | | | | | | | | | | | | | | | | | | | * add CONFIG_SYS_CACHELINE_SIZE to eb_cpux9k2 board config header * dissable dcache (CONFIG_SYS_DCACHE_OFF) for eb_cpux9k2 Signed-off-by: Jens Scharsig (BuS Elektronik) <esw@bus-elektronik.de>
| * | Merge remote-tracking branch 'u-boot-ti/master'Albert ARIBAUD2012-11-03-32/+3421
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| | * | am335x: add initial AM335x IDK board supportMatthias Fuchs2012-11-02-1/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch extends the am335x_evm board for the AM335x IDK. The IDK board uses MII for the ethernet phy (same as Beaglebone board) and MMC0 for storage (but without card detect line). The IDK uses UART3 for console. So u-boot must be build with CONFIG_SERIAL4 and CONFIG_CONS_INDEX=4 or for the am335x_evm_uart3 board configuration as introduced by Andrew Bradfords recent patch series "am33xx: Enable UART {1,2,3,4,5}...". When using the IDK with console on UART0, those patches are not required. In this case the board slightly needs to be modified. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
| | * | omap3: Rework board.c for !CONFIG_SYS_L2CACHE_OFFTom Rini2012-10-30-13/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When CONFIG_SYS_L2CACHE_OFF is defined we end up with a few warnings currently. Re-order functions so that we don't have that anymore. Signed-off-by: Tom Rini <trini@ti.com>
| | * | am335x: add mux config for DDR3 version of beagleboneKoen Kooi2012-10-30-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes the following boothang in SPL: Unknown board, cannot configure pinmux.### ERROR ### Please RESET the board ### Future commits will add pinmuxes for more on-board peripherals. Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
| | * | eco5pk: Add new board and default configRaphael Assenat2012-10-30-0/+594
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Raphael Assenat <raph@8d.com> [trini: Squash boards.cfg / MAINTAINERS change into main patch] Signed-off-by: Tom Rini <trini@ti.com>
| | * | New board support: Nokia RX-51 aka N900Pali Rohár2012-10-30-0/+2193
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on previous work by: Alistair Buxton <a.j.buxton@gmail.com> Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Cc: Ивайло Димитров <freemangordon@abv.bg>
| | * | cfb_console: Add support for some ANSI terminal escape codesPali Rohár2012-10-30-9/+323
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add optional support for some ANSI escape sequences to the cfb_console driver. Define CONFIG_CFB_CONSOLE_ANSI to enable cursor moving, color reverting and clearing the cfb console via ANSI escape codes. Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Anatolij Gustschin <agust@denx.de>
| | * | Add power bus message definitions in twl4030.hPali Rohár2012-10-30-0/+98
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Code copied from linux kernel 3.0.0 from file include/linux/i2c/twl.h * commit 6523b148b44be38d89c2ee9865d34da30d9f5f1c Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
| | * | arm bootm: Allow to pass board specified atagsPali Rohár2012-10-30-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | Board can implement function setup_board_tags which is used for adding atags Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
| | * | am335x_evm: Enable use of UART{1,2,3,4,5}Andrew Bradford2012-10-25-6/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add targets of am335x_evm_uart{1,2,3,4,5} to have serial input/output on UART{1,2,3,4,5} for use with the Beaglebone RS232 cape, am335x_evm daughterboard, and other custom configurations. Modify target for am335x_evm to include SERIAL1 and CONS_INDEX=1 options in order to clarify UART selection requirements. Signed-off-by: Andrew Bradford <andrew@bradfordembedded.com>
| | * | serial: ns16550: Enable COM5 and COM6Andrew Bradford2012-10-25-3/+33
| | | | | | | | | | | | | | | | | | | | | | | | Increase the possible number of ns16550 serial devices from 4 to 6. Signed-off-by: Andrew Bradford <andrew@bradfordembedded.com>
| | * | am33xx: Enable UART{1,2,3,4,5} pin-muxAndrew Bradford2012-10-25-0/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | | | If configured to use UART{1,2,3,4,5} such as on the Beaglebone RS232 cape or on the am335x_evm daughterboard, enable the proper pin-muxing. Signed-off-by: Andrew Bradford <andrew@bradfordembedded.com>
| | * | am33xx: Enable UART{1,2,3,4,5} clocksAndrew Bradford2012-10-25-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If configured to use UART{1,2,3,4,5} such as on the Beaglebone RS232 cape or the am335x_evm daughterboard, enable the required clocks for the UART in use. Signed-off-by: Andrew Bradford <andrew@bradfordembedded.com>
| * | | arm720t: add back common.h includeAllen Martin2012-10-29-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add back common.h header that was removed in previous patch so that CONFIG_TEGRA can be evaluated correctly. Signed-off-by: Allen Martin <amartin@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | serial: remove calls to serial_assign()Allen Martin2012-10-29-13/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove calls to serial_assign() that are failing now that it returns a proper error code. This calls were not actually doing anything because they passed the name of a stdio_dev when a serial_device name is exptectd. Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | ARM: tegra: combine duplicate Makefile rulesStephen Warren2012-10-29-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The rules to generate u-boot-{no,}dtb-tegra.bin were almost identical. Combine them into a single paremeterized rule. This will allow the next patch to edit a single rule, rather than being cut/paste twice. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | tegra20: initialize variable to avoid compiler warningAllen Martin2012-10-29-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Initialize this variable to avoid a compiler warning about possible use of uninitialized variable with gcc 4.4.6. Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | tegra: move to common SPL frameworkAllen Martin2012-10-29-77/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change tegra SPL to use common SPL framework. Any tegra specific initialization is now done in spl_board_init() instead of board_init_f()/board_init_r(). Only one SPL boot target is supported on tegra, which is boot to RAM image. jump_to_image_no_args() must be overridden on tegra so the host CPU can be initialized. Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Tested-by: Lucas Stach <dev@lynxeye.de> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | SPL: make jump_to_image_no_args a weak symbolAllen Martin2012-10-29-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change jump_to_image_no_args() to a weak symbol to allow override by SoC specific code. This is required by tegra because the SPL runs on a different CPU from the image it is loading, so tegra specific initialization is required to start the host CPU. Pass in spl_image as a parameter for the same reason. Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Tom Rini <trini@ti.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | ARM: tegra: don't request GPIO from Seaboard's SPLStephen Warren2012-10-29-10/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Seaboard has a GPIO that switches an external mux between Tegra's debug UART and SPI flash. This is initialized from the SPL so that SPL debug output can be seen. Simplify the code that does this, and don't actually request the GPIO in the SPL; just program it. This saves ~4.5K from the size of the SPL, mostly BSS due to the large gpio_names[] table that is no longer required. This makes Seaboard's SPL fit within the current max size. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Allen Martin <amartin@nvidia.com> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | ARM: tegra: select between Seaboard/Ventana at compile timeStephen Warren2012-10-29-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Seaboard and Ventana are very similar boards, and so share the seaboard.c board file. The one difference needed so far is detected at run-time by calling machine_is_ventana(). This bloats the Ventana build with code that is never used. Switch to detecting Ventana at compile time to remove bloat. This shaves ~5K off the SPL size on Ventana, and makes the SPL fit within the max size. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | ARM: tegra: derive CONFIG_SPL_MAX_SIZE instead of hard-coding itStephen Warren2012-10-29-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For Tegra, the SPL and main U-Boot are concatenated together to form a single memory image. Hence, the maximum SPL size is the different in TEXT_BASE for SPL and main U-Boot. Instead of manually calculating SPL_MAX_SIZE based on those two TEXT_BASE, which can lead to errors if one TEXT_BASE is changed without updating SPL_MAX_SIZE, simply perform the calculation automatically. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Allen Martin <amartin@nvidia.com> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
| * | | ARM: enhance u-boot.lds to detect over-sized SPLStephen Warren2012-10-29-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an ASSERT() to u-boot.lds to detect an SPL that doesn't fit within SPL_TEXT_BASE..SPL_MAX_SIZE. Different .lds files implement this check in two possible ways: 1) An ASSERT() like this 2) Defining a MEMORY region of size SPL_MAX_SIZE, and re-directing all linker output into that region. Since u-boot.lds is used for both SPL and main U-Boot, this would entail only sometimes defining a MEMORY region, and only sometimes performing that redirection, and hence option (1) was deemed much simpler, and hence implemented. Note that this causes build failures at least for NVIDIA Tegra Seaboard and Ventana. However, these are legitimate; the SPL doesn't fit within the required space, and this does cause runtime issues. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Allen Martin <amartin@nvidia.com> Acked-by: Tom Rini <trini@ti.com> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
generated by cgit v1.1 at 2024-11-10 01:45:51 +0000