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2018-09-14riscv: add trampoline in MBR block to support boot mode 1Philipp Hug
Add "j pc + 0x0800" at the beginning of the MBR to jump to bootblock. Tested on hardware: boot mode 15: works as before boot mode 1: jump to bootblock works, but bootblock needs to be modified to move the stack to L2LIM. This will be in a separate commit. Further changes are needed in the bootblock Change-Id: I16e762d9f027346b124412f1f7ee6ff37f431d86 Signed-off-by: Philipp Hug <philipp@hug.cx> Reviewed-on: https://review.coreboot.org/27397 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
2018-09-10soc/sifive/fu540: Add driver for OTP memoryPhilipp Hug
Provides minimal functionality to read the SOC s/n from the NeoFuse one time programmable memory. Change-Id: I14b010ad9958931e0a98a76f76090fd7c66f19a0 Signed-off-by: Philipp Hug <philipp@hug.cx> Reviewed-on: https://review.coreboot.org/27435 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
2018-07-17Documentation/mb/sifive: Update TODO list; UART driver has been mergedJonathan Neuschäfer
See 894e3a9ec8 ("drivers/uart: Add a driver for SiFive's UART"). Change-Id: I035c238beba28ecafd296f18c0ccda167126ab94 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/27398 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2018-05-08Documentation: Add HiFive Unleashed documentationJonathan Neuschäfer
Change-Id: Ic97955e36feeaa18b5a0dbd502c722c06dcc1b31 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/25792 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>