On Mon, Jun 8, 2020 at 7:18 AM Bin Meng <bmeng...@gmail.com> wrote: > > From: Bin Meng <bin.m...@windriver.com> > > This series updates the 'sifive_u' machine support: > > - Add GPIO controller support > - Support reboot functionality via GPIO pin#10 > - Change SiFive E/U series CPU reset vector to 0x1004 > - Support Mode Select (MSEL[3:0]) settings at 0x1000 via a new > "msel" machine property > - Add a dummy DDR memory controller device > > The series also does some clean-ups to the existing codes. > > With this series, QEMU can boot U-Boot SPL built for SiFive FU540 > all the way up to loading U-Boot proper from MMC: > > $ qemu-system-riscv64 -nographic -M sifive_u,msel=6 -m 8G -bios u-boot-spl.bin > > U-Boot SPL 2020.07-rc3-00208-g88bd5b1 (Jun 08 2020 - 20:16:10 +0800) > Trying to boot from MMC1 > Unhandled exception: Load access fault > EPC: 0000000008009be6 TVAL: 0000000010050014 > > The last big gap for the 'sifive_u' machine is the QSPI modeling. > > > Bin Meng (15): > hw/riscv: sifive_e: Remove the riscv_ prefix of the machine* and soc* > functions > hw/riscv: opentitan: Remove the riscv_ prefix of the machine* and soc* > functions > hw/riscv: sifive_u: Simplify the GEM IRQ connect code a little bit > hw/riscv: sifive_u: Generate device tree node for OTP > hw/riscv: sifive_gpio: Clean up the codes > hw/riscv: sifive_gpio: Add a new 'ngpio' property > hw/riscv: sifive_u: Hook a GPIO controller > hw/riscv: sifive_gpio: Do not blindly trigger output IRQs > hw/riscv: sifive_u: Add reset functionality > hw/riscv: sifive_u: Rename serial property get/set functions to a > generic name > hw/riscv: sifive_u: Add a new property msel for MSEL pin state > hw/riscv: sifive: Change SiFive E/U CPU reset vector to 0x1004 > hw/riscv: sifive_u: Support different boot source per MSEL pin state > hw/riscv: sifive_u: Sort the SoC memmap table entries > hw/riscv: sifive_u: Add a dummy DDR memory controller device
I have applied patches 1 to 11 to the RISC-V branch. Alistair > > hw/riscv/opentitan.c | 29 ++++---- > hw/riscv/sifive_e.c | 32 +++++---- > hw/riscv/sifive_gpio.c | 45 +++++++----- > hw/riscv/sifive_u.c | 158 > ++++++++++++++++++++++++++++++++++------- > include/hw/riscv/sifive_gpio.h | 8 ++- > include/hw/riscv/sifive_u.h | 27 +++++++ > target/riscv/cpu.c | 4 +- > 7 files changed, 223 insertions(+), 80 deletions(-) > > -- > 2.7.4 > >
