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2019-08-12soc/sifive/fu540: add code for spi and map flash to memory spacesXiang Wang
SiFive's ZSBL has initialized flash, but only 16MB of space is available. 1. add code for spi 2. add code to map flash to memory spaces Change-Id: I106688c65ac7dd70be7479dc4691797b700682d9 Signed-off-by: Xiang Wang <merle@hardenedlinux.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/33055 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
2019-08-05soc/sifive/fu540: Add opensbi supportPatrick Rudolph
Tested on SiFive/unleashed: Boots into Linux until earlycon terminates. Change-Id: I35abacc16f244b95f9fd1947d1a5ea10c4dee097 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34142 Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-12-05soc/sifive/fu540: Add helper function to get tlclk frequencyJonathan Neuschäfer
tlclk is not specific to the UART block in the FU540, so let's calculate its frequency in clock.c. Change-Id: I270920027f1132253e413a1bf9feb4fe279b651a Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/c/29335 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Philipp Hug <philipp@hug.cx>
2018-11-05riscv: add support smp_pause / smp_resumeXiang Wang
See https://doc.coreboot.org/arch/riscv/ we know that we need to execute smp_pause at the start of each stage and smp_resume at the end of each stage. Change-Id: I6f8159637bfb15f54f0abeb335de2ba6e9cf82fb Signed-off-by: Xiang Wang <wxjstz@126.com> Reviewed-on: https://review.coreboot.org/29023 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Philipp Hug <philipp@hug.cx>
2018-10-30sifive/fu540: correct cbmem supportPhilipp Hug
Return correct memory location for cbmem instead of incorrectly returning memory size. Change-Id: If7f490a46edebb04c2280bf317d1adacef08f30d Signed-off-by: Philipp Hug <philipp@hug.cx> Reviewed-on: https://review.coreboot.org/29197 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Xiang Wang <wxjstz@126.com> Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
2018-09-14soc/sifive/fu540: Initialize SDRAMPhilipp Hug
Based on SiFive bootloader code Change-Id: I71043ce9e458e25e64da28d53cd36b02d2e22acc Signed-off-by: Philipp Hug <philipp@hug.cx> Reviewed-on: https://review.coreboot.org/28604 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2018-09-12soc/sifive/fu540: Initialize PLL and clockPhilipp Hug
Change-Id: Iba0669e08940e373aaf42cbba3a1ceffd68a4f52 Signed-off-by: Philipp Hug <philipp@hug.cx> Reviewed-on: https://review.coreboot.org/27439 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>
2018-09-10soc/sifive/fu540: add CLINT supportXiang Wang
Change-Id: Ibc3a8644dcb83d5697d9d6e551c7682377285116 Signed-off-by: Xiang Wang <wxjstz@126.com> Reviewed-on: https://review.coreboot.org/28355 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
2018-09-02riscv: separately define stack locations at different stagesXiang Wang
BOOTBLOCK/ROMSTAGE run in CAR/scratchpad. When RAMSTAGE begins execution will enable cache, then CAR will disappear. So the Stack will be separated. Change-Id: I37a0c1928052cabf61ba5c25b440363b75726782 Signed-off-by: Xiang Wang <wxjstz@126.com> Reviewed-on: https://review.coreboot.org/28383 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
2018-07-18sifive/fu540: add empty sdram init and size functionsPhilipp Hug
Change-Id: I65f900a3277bc8a4a83ebc8883d4a325bd690bf8 Signed-off-by: Philipp Hug <philipp@hug.cx> Reviewed-on: https://review.coreboot.org/27438 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2018-04-26src/sifive: Add the SiFive Freedom Unleashed 540 SoCJonathan Neuschäfer
The FU540 is the first RISC-V SoC with the necessary resources to run Linux (an external memory interface, MMU, etc). More information is available on SiFive's website: https://www.sifive.com/products/hifive-unleashed/ Change-Id: Ic2a3c7b1dfa56b67cc0571969cc9cf67a770ae43 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/25789 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>