If barebox is not used as the MLO, then it crashes during boot with the below error message: Board: Texas Instrument's Panda PandaBoard Revision: 003 omap-hsmmc@mci0: registered as mci0 unable to handle paging request at address 0x4a064010 pc : [<8f01e820>] lr : [<8f0049a0>] sp : 8cffff80 ip : 00000016 fp : 00100103 r10: 00000000 r9 : 00000ae7 r8 : 4030b76c r7 : 40300200 r6 : e28f8028 r5 : 0000003e r4 : 00000000 r3 : 4a064000 r2 : 00000014 r1 : 00000001 r0 : 00000001 Flags: nzCv IRQs off FIQs off Mode SVC_32 [<8f01e820>] (panda_devices_init+0x17c/0x1e0) from [<8f006300>] (start_barebox+0x18/0x10c) [<8f006300>] (start_barebox+0x18/0x10c) from [<8200006c>] (0x8200006c) [<8f021248>] (unwind_backtrace+0x0/0x98) from [<8f011a00>] (panic+0x28/0x3c) [<8f011a00>] (panic+0x28/0x3c) from [<8f02171c>] (do_exception+0x10/0x14) [<8f02171c>] (do_exception+0x10/0x14) from [<8f021784>] (do_data_abort+0x2c/0x38) [<8f021784>] (do_data_abort+0x2c/0x38) from [<8f021470>] (data_abort+0x50/0x60) This is because the USBHOST module is not enabled. The module enable is is normally done in mach-omap/xload.c which never gets called. Since we're configuring the USBHOST CLKCTRL register in the board file anyway, we might as well explicitly enable the module in the same place. Signed-off-by: Anand Gadiyar <gadiyar@xxxxxx> --- Steps to reproduce: Download and build usbboot from here: git://git.omapzoom.org/repo/omapboot.git Check out and build the p-master branch. make ARCH=omap4 BOARD=panda Then you can do a USB boot using usbboot barebox.bin arch/arm/boards/panda/board.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/arm/boards/panda/board.c b/arch/arm/boards/panda/board.c index 628d3f1..26d365c 100644 --- a/arch/arm/boards/panda/board.c +++ b/arch/arm/boards/panda/board.c @@ -78,6 +78,7 @@ static void panda_ehci_init(void) gpio_set_value(hub_nreset, 1); val = readl(0x4a009358); val |= (1 << 24); + val |= 0x2; writel(val, 0x4a009358); writel(0x7, 0x4a008180); mdelay(10); -- 1.7.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
