Commit graph

10 commits

Author SHA1 Message Date
Philipp Hug
3d398ad37a soc/sifive/fu540: Initialize PLL and clock
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>
2018-09-12 12:31:28 +00:00
Philipp Hug
e0568595ee soc/sifive: fix compiler warning
Fix the following compiler warning on the latest toolchain:
src/soc/sifive/fu540/otp.c:48:1: error: useless storage class specifier in empty declaration [-Werror]
 } __packed;
 ^

Change-Id: Ice87c821de7650ac547394efa2a4bcc5ae1ea668
Signed-off-by: Philipp Hug <philipp@hug.cx>
Reviewed-on: https://review.coreboot.org/28553
Tested-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2018-09-10 20:37:17 +00:00
Philipp Hug
2cf9990ec8 soc/sifive/fu540: Makefile: include mtime_init in ramstage
Fix compilation issue
clint.c/mtime.c is needed as well in ramstage due to CR 28372 and 28355

Change-Id: I7c7768744a165b97978bb8f7f95acf7b32ca4aa4
Signed-off-by: Philipp Hug <philipp@hug.cx>
Reviewed-on: https://review.coreboot.org/28551
Tested-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2018-09-10 20:36:45 +00:00
Philipp Hug
ea81928e94 soc/sifive/fu540: Add driver for OTP memory
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>
2018-09-10 15:05:11 +00:00
Xiang Wang
aa5f821ee3 soc/sifive/fu540: add CLINT support
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>
2018-09-10 15:03:37 +00:00
Xiang Wang
2e38dbe5f1 riscv: update mtime initialization
Add a interface, which is implemented by SoC.

Change-Id: I5524732f6eb3841e43afd176644119b03b5e5e27
Signed-off-by: Xiang Wang <wxjstz@126.com>
Reviewed-on: https://review.coreboot.org/28372
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
2018-09-10 15:03:08 +00:00
Xiang Wang
a5b265bb0c riscv: separately define stack locations at different stages
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>
2018-09-02 03:10:58 +00:00
Philipp Hug
52a022f680 sifive/fu540: add empty sdram init and size functions
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>
2018-07-18 07:54:54 +00:00
Xiang Wang
5fed693a52 riscv: add support for modifying compiler options
Each HART of a SoC like fu540 supports a different ISA. In order for the
coreboot's code can run on each core, need to modify the compile options. 
So add this code.

Change-Id: Ie33edc175e612846d4a74f3cbf7520d4145cb68b
Signed-off-by: Xiang Wang <wxjstz@126.com>
Reviewed-on: https://review.coreboot.org/27442
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Philipp Hug <philipp@hug.cx>
2018-07-17 18:09:43 +00:00
Jonathan Neuschäfer
55b46454bc src/sifive: Add the SiFive Freedom Unleashed 540 SoC
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>
2018-04-26 11:52:37 +00:00